Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2006-2007 Intel Corporation |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 21 | * DEALINGS IN THE SOFTWARE. |
| 22 | * |
| 23 | * Authors: |
| 24 | * Eric Anholt <eric@anholt.net> |
| 25 | */ |
| 26 | |
Daniel Vetter | 618563e | 2012-04-01 13:38:50 +0200 | [diff] [blame] | 27 | #include <linux/dmi.h> |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 28 | #include <linux/module.h> |
| 29 | #include <linux/input.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 30 | #include <linux/i2c.h> |
Shaohua Li | 7662c8b | 2009-06-26 11:23:55 +0800 | [diff] [blame] | 31 | #include <linux/kernel.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 32 | #include <linux/slab.h> |
Jesse Barnes | 9cce37f | 2010-08-13 15:11:26 -0700 | [diff] [blame] | 33 | #include <linux/vgaarb.h> |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 34 | #include <drm/drm_edid.h> |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 35 | #include <drm/drmP.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 36 | #include "intel_drv.h" |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 37 | #include <drm/i915_drm.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 38 | #include "i915_drv.h" |
Jesse Barnes | e5510fa | 2010-07-01 16:48:37 -0700 | [diff] [blame] | 39 | #include "i915_trace.h" |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 40 | #include <drm/drm_dp_helper.h> |
| 41 | #include <drm/drm_crtc_helper.h> |
Keith Packard | c0f372b3 | 2011-11-16 22:24:52 -0800 | [diff] [blame] | 42 | #include <linux/dma_remapping.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 43 | |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 44 | bool intel_pipe_has_type(struct drm_crtc *crtc, int type); |
Daniel Vetter | 3dec009 | 2010-08-20 21:40:52 +0200 | [diff] [blame] | 45 | static void intel_increase_pllclock(struct drm_crtc *crtc); |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 46 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 47 | |
| 48 | typedef struct { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 49 | /* given values */ |
| 50 | int n; |
| 51 | int m1, m2; |
| 52 | int p1, p2; |
| 53 | /* derived values */ |
| 54 | int dot; |
| 55 | int vco; |
| 56 | int m; |
| 57 | int p; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 58 | } intel_clock_t; |
| 59 | |
| 60 | typedef struct { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 61 | int min, max; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 62 | } intel_range_t; |
| 63 | |
| 64 | typedef struct { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 65 | int dot_limit; |
| 66 | int p2_slow, p2_fast; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 67 | } intel_p2_t; |
| 68 | |
| 69 | #define INTEL_P2_NUM 2 |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 70 | typedef struct intel_limit intel_limit_t; |
| 71 | struct intel_limit { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 72 | intel_range_t dot, vco, n, m, m1, m2, p, p1; |
| 73 | intel_p2_t p2; |
| 74 | bool (* find_pll)(const intel_limit_t *, struct drm_crtc *, |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 75 | int, int, intel_clock_t *, intel_clock_t *); |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 76 | }; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 77 | |
Jesse Barnes | 2377b74 | 2010-07-07 14:06:43 -0700 | [diff] [blame] | 78 | /* FDI */ |
| 79 | #define IRONLAKE_FDI_FREQ 2700000 /* in kHz for mode->clock */ |
| 80 | |
Daniel Vetter | d2acd21 | 2012-10-20 20:57:43 +0200 | [diff] [blame] | 81 | int |
| 82 | intel_pch_rawclk(struct drm_device *dev) |
| 83 | { |
| 84 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 85 | |
| 86 | WARN_ON(!HAS_PCH_SPLIT(dev)); |
| 87 | |
| 88 | return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK; |
| 89 | } |
| 90 | |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 91 | static bool |
| 92 | intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 93 | int target, int refclk, intel_clock_t *match_clock, |
| 94 | intel_clock_t *best_clock); |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 95 | static bool |
| 96 | intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 97 | int target, int refclk, intel_clock_t *match_clock, |
| 98 | intel_clock_t *best_clock); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 99 | |
Keith Packard | a4fc5ed | 2009-04-07 16:16:42 -0700 | [diff] [blame] | 100 | static bool |
| 101 | intel_find_pll_g4x_dp(const intel_limit_t *, struct drm_crtc *crtc, |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 102 | int target, int refclk, intel_clock_t *match_clock, |
| 103 | intel_clock_t *best_clock); |
Zhenyu Wang | 5eb08b6 | 2009-07-24 01:00:31 +0800 | [diff] [blame] | 104 | static bool |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 105 | intel_find_pll_ironlake_dp(const intel_limit_t *, struct drm_crtc *crtc, |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 106 | int target, int refclk, intel_clock_t *match_clock, |
| 107 | intel_clock_t *best_clock); |
Keith Packard | a4fc5ed | 2009-04-07 16:16:42 -0700 | [diff] [blame] | 108 | |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 109 | static bool |
| 110 | intel_vlv_find_best_pll(const intel_limit_t *limit, struct drm_crtc *crtc, |
| 111 | int target, int refclk, intel_clock_t *match_clock, |
| 112 | intel_clock_t *best_clock); |
| 113 | |
Chris Wilson | 021357a | 2010-09-07 20:54:59 +0100 | [diff] [blame] | 114 | static inline u32 /* units of 100MHz */ |
| 115 | intel_fdi_link_freq(struct drm_device *dev) |
| 116 | { |
Chris Wilson | 8b99e68 | 2010-10-13 09:59:17 +0100 | [diff] [blame] | 117 | if (IS_GEN5(dev)) { |
| 118 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 119 | return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2; |
| 120 | } else |
| 121 | return 27; |
Chris Wilson | 021357a | 2010-09-07 20:54:59 +0100 | [diff] [blame] | 122 | } |
| 123 | |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 124 | static const intel_limit_t intel_limits_i8xx_dvo = { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 125 | .dot = { .min = 25000, .max = 350000 }, |
| 126 | .vco = { .min = 930000, .max = 1400000 }, |
| 127 | .n = { .min = 3, .max = 16 }, |
| 128 | .m = { .min = 96, .max = 140 }, |
| 129 | .m1 = { .min = 18, .max = 26 }, |
| 130 | .m2 = { .min = 6, .max = 16 }, |
| 131 | .p = { .min = 4, .max = 128 }, |
| 132 | .p1 = { .min = 2, .max = 33 }, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 133 | .p2 = { .dot_limit = 165000, |
| 134 | .p2_slow = 4, .p2_fast = 2 }, |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 135 | .find_pll = intel_find_best_PLL, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 136 | }; |
| 137 | |
| 138 | static const intel_limit_t intel_limits_i8xx_lvds = { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 139 | .dot = { .min = 25000, .max = 350000 }, |
| 140 | .vco = { .min = 930000, .max = 1400000 }, |
| 141 | .n = { .min = 3, .max = 16 }, |
| 142 | .m = { .min = 96, .max = 140 }, |
| 143 | .m1 = { .min = 18, .max = 26 }, |
| 144 | .m2 = { .min = 6, .max = 16 }, |
| 145 | .p = { .min = 4, .max = 128 }, |
| 146 | .p1 = { .min = 1, .max = 6 }, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 147 | .p2 = { .dot_limit = 165000, |
| 148 | .p2_slow = 14, .p2_fast = 7 }, |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 149 | .find_pll = intel_find_best_PLL, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 150 | }; |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 151 | |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 152 | static const intel_limit_t intel_limits_i9xx_sdvo = { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 153 | .dot = { .min = 20000, .max = 400000 }, |
| 154 | .vco = { .min = 1400000, .max = 2800000 }, |
| 155 | .n = { .min = 1, .max = 6 }, |
| 156 | .m = { .min = 70, .max = 120 }, |
| 157 | .m1 = { .min = 10, .max = 22 }, |
| 158 | .m2 = { .min = 5, .max = 9 }, |
| 159 | .p = { .min = 5, .max = 80 }, |
| 160 | .p1 = { .min = 1, .max = 8 }, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 161 | .p2 = { .dot_limit = 200000, |
| 162 | .p2_slow = 10, .p2_fast = 5 }, |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 163 | .find_pll = intel_find_best_PLL, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 164 | }; |
| 165 | |
| 166 | static const intel_limit_t intel_limits_i9xx_lvds = { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 167 | .dot = { .min = 20000, .max = 400000 }, |
| 168 | .vco = { .min = 1400000, .max = 2800000 }, |
| 169 | .n = { .min = 1, .max = 6 }, |
| 170 | .m = { .min = 70, .max = 120 }, |
| 171 | .m1 = { .min = 10, .max = 22 }, |
| 172 | .m2 = { .min = 5, .max = 9 }, |
| 173 | .p = { .min = 7, .max = 98 }, |
| 174 | .p1 = { .min = 1, .max = 8 }, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 175 | .p2 = { .dot_limit = 112000, |
| 176 | .p2_slow = 14, .p2_fast = 7 }, |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 177 | .find_pll = intel_find_best_PLL, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 178 | }; |
| 179 | |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 180 | |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 181 | static const intel_limit_t intel_limits_g4x_sdvo = { |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 182 | .dot = { .min = 25000, .max = 270000 }, |
| 183 | .vco = { .min = 1750000, .max = 3500000}, |
| 184 | .n = { .min = 1, .max = 4 }, |
| 185 | .m = { .min = 104, .max = 138 }, |
| 186 | .m1 = { .min = 17, .max = 23 }, |
| 187 | .m2 = { .min = 5, .max = 11 }, |
| 188 | .p = { .min = 10, .max = 30 }, |
| 189 | .p1 = { .min = 1, .max = 3}, |
| 190 | .p2 = { .dot_limit = 270000, |
| 191 | .p2_slow = 10, |
| 192 | .p2_fast = 10 |
Ma Ling | 044c7c4 | 2009-03-18 20:13:23 +0800 | [diff] [blame] | 193 | }, |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 194 | .find_pll = intel_g4x_find_best_PLL, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 195 | }; |
| 196 | |
| 197 | static const intel_limit_t intel_limits_g4x_hdmi = { |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 198 | .dot = { .min = 22000, .max = 400000 }, |
| 199 | .vco = { .min = 1750000, .max = 3500000}, |
| 200 | .n = { .min = 1, .max = 4 }, |
| 201 | .m = { .min = 104, .max = 138 }, |
| 202 | .m1 = { .min = 16, .max = 23 }, |
| 203 | .m2 = { .min = 5, .max = 11 }, |
| 204 | .p = { .min = 5, .max = 80 }, |
| 205 | .p1 = { .min = 1, .max = 8}, |
| 206 | .p2 = { .dot_limit = 165000, |
| 207 | .p2_slow = 10, .p2_fast = 5 }, |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 208 | .find_pll = intel_g4x_find_best_PLL, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 209 | }; |
| 210 | |
| 211 | static const intel_limit_t intel_limits_g4x_single_channel_lvds = { |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 212 | .dot = { .min = 20000, .max = 115000 }, |
| 213 | .vco = { .min = 1750000, .max = 3500000 }, |
| 214 | .n = { .min = 1, .max = 3 }, |
| 215 | .m = { .min = 104, .max = 138 }, |
| 216 | .m1 = { .min = 17, .max = 23 }, |
| 217 | .m2 = { .min = 5, .max = 11 }, |
| 218 | .p = { .min = 28, .max = 112 }, |
| 219 | .p1 = { .min = 2, .max = 8 }, |
| 220 | .p2 = { .dot_limit = 0, |
| 221 | .p2_slow = 14, .p2_fast = 14 |
Ma Ling | 044c7c4 | 2009-03-18 20:13:23 +0800 | [diff] [blame] | 222 | }, |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 223 | .find_pll = intel_g4x_find_best_PLL, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 224 | }; |
| 225 | |
| 226 | static const intel_limit_t intel_limits_g4x_dual_channel_lvds = { |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 227 | .dot = { .min = 80000, .max = 224000 }, |
| 228 | .vco = { .min = 1750000, .max = 3500000 }, |
| 229 | .n = { .min = 1, .max = 3 }, |
| 230 | .m = { .min = 104, .max = 138 }, |
| 231 | .m1 = { .min = 17, .max = 23 }, |
| 232 | .m2 = { .min = 5, .max = 11 }, |
| 233 | .p = { .min = 14, .max = 42 }, |
| 234 | .p1 = { .min = 2, .max = 6 }, |
| 235 | .p2 = { .dot_limit = 0, |
| 236 | .p2_slow = 7, .p2_fast = 7 |
Ma Ling | 044c7c4 | 2009-03-18 20:13:23 +0800 | [diff] [blame] | 237 | }, |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 238 | .find_pll = intel_g4x_find_best_PLL, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 239 | }; |
| 240 | |
| 241 | static const intel_limit_t intel_limits_g4x_display_port = { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 242 | .dot = { .min = 161670, .max = 227000 }, |
| 243 | .vco = { .min = 1750000, .max = 3500000}, |
| 244 | .n = { .min = 1, .max = 2 }, |
| 245 | .m = { .min = 97, .max = 108 }, |
| 246 | .m1 = { .min = 0x10, .max = 0x12 }, |
| 247 | .m2 = { .min = 0x05, .max = 0x06 }, |
| 248 | .p = { .min = 10, .max = 20 }, |
| 249 | .p1 = { .min = 1, .max = 2}, |
| 250 | .p2 = { .dot_limit = 0, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 251 | .p2_slow = 10, .p2_fast = 10 }, |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 252 | .find_pll = intel_find_pll_g4x_dp, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 253 | }; |
| 254 | |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 255 | static const intel_limit_t intel_limits_pineview_sdvo = { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 256 | .dot = { .min = 20000, .max = 400000}, |
| 257 | .vco = { .min = 1700000, .max = 3500000 }, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 258 | /* Pineview's Ncounter is a ring counter */ |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 259 | .n = { .min = 3, .max = 6 }, |
| 260 | .m = { .min = 2, .max = 256 }, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 261 | /* Pineview only has one combined m divider, which we treat as m2. */ |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 262 | .m1 = { .min = 0, .max = 0 }, |
| 263 | .m2 = { .min = 0, .max = 254 }, |
| 264 | .p = { .min = 5, .max = 80 }, |
| 265 | .p1 = { .min = 1, .max = 8 }, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 266 | .p2 = { .dot_limit = 200000, |
| 267 | .p2_slow = 10, .p2_fast = 5 }, |
Shaohua Li | 6115707 | 2009-04-03 15:24:43 +0800 | [diff] [blame] | 268 | .find_pll = intel_find_best_PLL, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 269 | }; |
| 270 | |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 271 | static const intel_limit_t intel_limits_pineview_lvds = { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 272 | .dot = { .min = 20000, .max = 400000 }, |
| 273 | .vco = { .min = 1700000, .max = 3500000 }, |
| 274 | .n = { .min = 3, .max = 6 }, |
| 275 | .m = { .min = 2, .max = 256 }, |
| 276 | .m1 = { .min = 0, .max = 0 }, |
| 277 | .m2 = { .min = 0, .max = 254 }, |
| 278 | .p = { .min = 7, .max = 112 }, |
| 279 | .p1 = { .min = 1, .max = 8 }, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 280 | .p2 = { .dot_limit = 112000, |
| 281 | .p2_slow = 14, .p2_fast = 14 }, |
Shaohua Li | 6115707 | 2009-04-03 15:24:43 +0800 | [diff] [blame] | 282 | .find_pll = intel_find_best_PLL, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 283 | }; |
| 284 | |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 285 | /* Ironlake / Sandybridge |
| 286 | * |
| 287 | * We calculate clock using (register_value + 2) for N/M1/M2, so here |
| 288 | * the range value for them is (actual_value - 2). |
| 289 | */ |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 290 | static const intel_limit_t intel_limits_ironlake_dac = { |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 291 | .dot = { .min = 25000, .max = 350000 }, |
| 292 | .vco = { .min = 1760000, .max = 3510000 }, |
| 293 | .n = { .min = 1, .max = 5 }, |
| 294 | .m = { .min = 79, .max = 127 }, |
| 295 | .m1 = { .min = 12, .max = 22 }, |
| 296 | .m2 = { .min = 5, .max = 9 }, |
| 297 | .p = { .min = 5, .max = 80 }, |
| 298 | .p1 = { .min = 1, .max = 8 }, |
| 299 | .p2 = { .dot_limit = 225000, |
| 300 | .p2_slow = 10, .p2_fast = 5 }, |
Zhao Yakui | 4547668 | 2009-12-31 16:06:04 +0800 | [diff] [blame] | 301 | .find_pll = intel_g4x_find_best_PLL, |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 302 | }; |
| 303 | |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 304 | static const intel_limit_t intel_limits_ironlake_single_lvds = { |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 305 | .dot = { .min = 25000, .max = 350000 }, |
| 306 | .vco = { .min = 1760000, .max = 3510000 }, |
| 307 | .n = { .min = 1, .max = 3 }, |
| 308 | .m = { .min = 79, .max = 118 }, |
| 309 | .m1 = { .min = 12, .max = 22 }, |
| 310 | .m2 = { .min = 5, .max = 9 }, |
| 311 | .p = { .min = 28, .max = 112 }, |
| 312 | .p1 = { .min = 2, .max = 8 }, |
| 313 | .p2 = { .dot_limit = 225000, |
| 314 | .p2_slow = 14, .p2_fast = 14 }, |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 315 | .find_pll = intel_g4x_find_best_PLL, |
| 316 | }; |
| 317 | |
| 318 | static const intel_limit_t intel_limits_ironlake_dual_lvds = { |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 319 | .dot = { .min = 25000, .max = 350000 }, |
| 320 | .vco = { .min = 1760000, .max = 3510000 }, |
| 321 | .n = { .min = 1, .max = 3 }, |
| 322 | .m = { .min = 79, .max = 127 }, |
| 323 | .m1 = { .min = 12, .max = 22 }, |
| 324 | .m2 = { .min = 5, .max = 9 }, |
| 325 | .p = { .min = 14, .max = 56 }, |
| 326 | .p1 = { .min = 2, .max = 8 }, |
| 327 | .p2 = { .dot_limit = 225000, |
| 328 | .p2_slow = 7, .p2_fast = 7 }, |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 329 | .find_pll = intel_g4x_find_best_PLL, |
| 330 | }; |
| 331 | |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 332 | /* LVDS 100mhz refclk limits. */ |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 333 | static const intel_limit_t intel_limits_ironlake_single_lvds_100m = { |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 334 | .dot = { .min = 25000, .max = 350000 }, |
| 335 | .vco = { .min = 1760000, .max = 3510000 }, |
| 336 | .n = { .min = 1, .max = 2 }, |
| 337 | .m = { .min = 79, .max = 126 }, |
| 338 | .m1 = { .min = 12, .max = 22 }, |
| 339 | .m2 = { .min = 5, .max = 9 }, |
| 340 | .p = { .min = 28, .max = 112 }, |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 341 | .p1 = { .min = 2, .max = 8 }, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 342 | .p2 = { .dot_limit = 225000, |
| 343 | .p2_slow = 14, .p2_fast = 14 }, |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 344 | .find_pll = intel_g4x_find_best_PLL, |
| 345 | }; |
| 346 | |
| 347 | static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = { |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 348 | .dot = { .min = 25000, .max = 350000 }, |
| 349 | .vco = { .min = 1760000, .max = 3510000 }, |
| 350 | .n = { .min = 1, .max = 3 }, |
| 351 | .m = { .min = 79, .max = 126 }, |
| 352 | .m1 = { .min = 12, .max = 22 }, |
| 353 | .m2 = { .min = 5, .max = 9 }, |
| 354 | .p = { .min = 14, .max = 42 }, |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 355 | .p1 = { .min = 2, .max = 6 }, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 356 | .p2 = { .dot_limit = 225000, |
| 357 | .p2_slow = 7, .p2_fast = 7 }, |
Zhao Yakui | 4547668 | 2009-12-31 16:06:04 +0800 | [diff] [blame] | 358 | .find_pll = intel_g4x_find_best_PLL, |
| 359 | }; |
| 360 | |
| 361 | static const intel_limit_t intel_limits_ironlake_display_port = { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 362 | .dot = { .min = 25000, .max = 350000 }, |
| 363 | .vco = { .min = 1760000, .max = 3510000}, |
| 364 | .n = { .min = 1, .max = 2 }, |
| 365 | .m = { .min = 81, .max = 90 }, |
| 366 | .m1 = { .min = 12, .max = 22 }, |
| 367 | .m2 = { .min = 5, .max = 9 }, |
| 368 | .p = { .min = 10, .max = 20 }, |
| 369 | .p1 = { .min = 1, .max = 2}, |
| 370 | .p2 = { .dot_limit = 0, |
Eric Anholt | 273e27c | 2011-03-30 13:01:10 -0700 | [diff] [blame] | 371 | .p2_slow = 10, .p2_fast = 10 }, |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 372 | .find_pll = intel_find_pll_ironlake_dp, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 373 | }; |
| 374 | |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 375 | static const intel_limit_t intel_limits_vlv_dac = { |
| 376 | .dot = { .min = 25000, .max = 270000 }, |
| 377 | .vco = { .min = 4000000, .max = 6000000 }, |
| 378 | .n = { .min = 1, .max = 7 }, |
| 379 | .m = { .min = 22, .max = 450 }, /* guess */ |
| 380 | .m1 = { .min = 2, .max = 3 }, |
| 381 | .m2 = { .min = 11, .max = 156 }, |
| 382 | .p = { .min = 10, .max = 30 }, |
| 383 | .p1 = { .min = 2, .max = 3 }, |
| 384 | .p2 = { .dot_limit = 270000, |
| 385 | .p2_slow = 2, .p2_fast = 20 }, |
| 386 | .find_pll = intel_vlv_find_best_pll, |
| 387 | }; |
| 388 | |
| 389 | static const intel_limit_t intel_limits_vlv_hdmi = { |
| 390 | .dot = { .min = 20000, .max = 165000 }, |
Vijay Purushothaman | 17dc925 | 2012-09-27 19:13:09 +0530 | [diff] [blame] | 391 | .vco = { .min = 4000000, .max = 5994000}, |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 392 | .n = { .min = 1, .max = 7 }, |
| 393 | .m = { .min = 60, .max = 300 }, /* guess */ |
| 394 | .m1 = { .min = 2, .max = 3 }, |
| 395 | .m2 = { .min = 11, .max = 156 }, |
| 396 | .p = { .min = 10, .max = 30 }, |
| 397 | .p1 = { .min = 2, .max = 3 }, |
| 398 | .p2 = { .dot_limit = 270000, |
| 399 | .p2_slow = 2, .p2_fast = 20 }, |
| 400 | .find_pll = intel_vlv_find_best_pll, |
| 401 | }; |
| 402 | |
| 403 | static const intel_limit_t intel_limits_vlv_dp = { |
Vijay Purushothaman | 74a4dd2 | 2012-09-27 19:13:04 +0530 | [diff] [blame] | 404 | .dot = { .min = 25000, .max = 270000 }, |
| 405 | .vco = { .min = 4000000, .max = 6000000 }, |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 406 | .n = { .min = 1, .max = 7 }, |
Vijay Purushothaman | 74a4dd2 | 2012-09-27 19:13:04 +0530 | [diff] [blame] | 407 | .m = { .min = 22, .max = 450 }, |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 408 | .m1 = { .min = 2, .max = 3 }, |
| 409 | .m2 = { .min = 11, .max = 156 }, |
| 410 | .p = { .min = 10, .max = 30 }, |
| 411 | .p1 = { .min = 2, .max = 3 }, |
| 412 | .p2 = { .dot_limit = 270000, |
| 413 | .p2_slow = 2, .p2_fast = 20 }, |
| 414 | .find_pll = intel_vlv_find_best_pll, |
| 415 | }; |
| 416 | |
Jesse Barnes | 57f350b | 2012-03-28 13:39:25 -0700 | [diff] [blame] | 417 | u32 intel_dpio_read(struct drm_i915_private *dev_priv, int reg) |
| 418 | { |
| 419 | unsigned long flags; |
| 420 | u32 val = 0; |
| 421 | |
| 422 | spin_lock_irqsave(&dev_priv->dpio_lock, flags); |
| 423 | if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) { |
| 424 | DRM_ERROR("DPIO idle wait timed out\n"); |
| 425 | goto out_unlock; |
| 426 | } |
| 427 | |
| 428 | I915_WRITE(DPIO_REG, reg); |
| 429 | I915_WRITE(DPIO_PKT, DPIO_RID | DPIO_OP_READ | DPIO_PORTID | |
| 430 | DPIO_BYTE); |
| 431 | if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) { |
| 432 | DRM_ERROR("DPIO read wait timed out\n"); |
| 433 | goto out_unlock; |
| 434 | } |
| 435 | val = I915_READ(DPIO_DATA); |
| 436 | |
| 437 | out_unlock: |
| 438 | spin_unlock_irqrestore(&dev_priv->dpio_lock, flags); |
| 439 | return val; |
| 440 | } |
| 441 | |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 442 | static void intel_dpio_write(struct drm_i915_private *dev_priv, int reg, |
| 443 | u32 val) |
| 444 | { |
| 445 | unsigned long flags; |
| 446 | |
| 447 | spin_lock_irqsave(&dev_priv->dpio_lock, flags); |
| 448 | if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) { |
| 449 | DRM_ERROR("DPIO idle wait timed out\n"); |
| 450 | goto out_unlock; |
| 451 | } |
| 452 | |
| 453 | I915_WRITE(DPIO_DATA, val); |
| 454 | I915_WRITE(DPIO_REG, reg); |
| 455 | I915_WRITE(DPIO_PKT, DPIO_RID | DPIO_OP_WRITE | DPIO_PORTID | |
| 456 | DPIO_BYTE); |
| 457 | if (wait_for_atomic_us((I915_READ(DPIO_PKT) & DPIO_BUSY) == 0, 100)) |
| 458 | DRM_ERROR("DPIO write wait timed out\n"); |
| 459 | |
| 460 | out_unlock: |
| 461 | spin_unlock_irqrestore(&dev_priv->dpio_lock, flags); |
| 462 | } |
| 463 | |
Jesse Barnes | 57f350b | 2012-03-28 13:39:25 -0700 | [diff] [blame] | 464 | static void vlv_init_dpio(struct drm_device *dev) |
| 465 | { |
| 466 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 467 | |
| 468 | /* Reset the DPIO config */ |
| 469 | I915_WRITE(DPIO_CTL, 0); |
| 470 | POSTING_READ(DPIO_CTL); |
| 471 | I915_WRITE(DPIO_CTL, 1); |
| 472 | POSTING_READ(DPIO_CTL); |
| 473 | } |
| 474 | |
Daniel Vetter | 618563e | 2012-04-01 13:38:50 +0200 | [diff] [blame] | 475 | static int intel_dual_link_lvds_callback(const struct dmi_system_id *id) |
| 476 | { |
| 477 | DRM_INFO("Forcing lvds to dual link mode on %s\n", id->ident); |
| 478 | return 1; |
| 479 | } |
| 480 | |
| 481 | static const struct dmi_system_id intel_dual_link_lvds[] = { |
| 482 | { |
| 483 | .callback = intel_dual_link_lvds_callback, |
| 484 | .ident = "Apple MacBook Pro (Core i5/i7 Series)", |
| 485 | .matches = { |
| 486 | DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), |
| 487 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro8,2"), |
| 488 | }, |
| 489 | }, |
| 490 | { } /* terminating entry */ |
| 491 | }; |
| 492 | |
Takashi Iwai | b035438 | 2012-03-20 13:07:05 +0100 | [diff] [blame] | 493 | static bool is_dual_link_lvds(struct drm_i915_private *dev_priv, |
| 494 | unsigned int reg) |
| 495 | { |
| 496 | unsigned int val; |
| 497 | |
Takashi Iwai | 121d527 | 2012-03-20 13:07:06 +0100 | [diff] [blame] | 498 | /* use the module option value if specified */ |
| 499 | if (i915_lvds_channel_mode > 0) |
| 500 | return i915_lvds_channel_mode == 2; |
| 501 | |
Daniel Vetter | 618563e | 2012-04-01 13:38:50 +0200 | [diff] [blame] | 502 | if (dmi_check_system(intel_dual_link_lvds)) |
| 503 | return true; |
| 504 | |
Takashi Iwai | b035438 | 2012-03-20 13:07:05 +0100 | [diff] [blame] | 505 | if (dev_priv->lvds_val) |
| 506 | val = dev_priv->lvds_val; |
| 507 | else { |
| 508 | /* BIOS should set the proper LVDS register value at boot, but |
| 509 | * in reality, it doesn't set the value when the lid is closed; |
| 510 | * we need to check "the value to be set" in VBT when LVDS |
| 511 | * register is uninitialized. |
| 512 | */ |
| 513 | val = I915_READ(reg); |
Seth Forshee | 14d94a3 | 2012-06-13 13:46:58 -0500 | [diff] [blame] | 514 | if (!(val & ~(LVDS_PIPE_MASK | LVDS_DETECTED))) |
Takashi Iwai | b035438 | 2012-03-20 13:07:05 +0100 | [diff] [blame] | 515 | val = dev_priv->bios_lvds_val; |
| 516 | dev_priv->lvds_val = val; |
| 517 | } |
| 518 | return (val & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP; |
| 519 | } |
| 520 | |
Chris Wilson | 1b894b5 | 2010-12-14 20:04:54 +0000 | [diff] [blame] | 521 | static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc, |
| 522 | int refclk) |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 523 | { |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 524 | struct drm_device *dev = crtc->dev; |
| 525 | struct drm_i915_private *dev_priv = dev->dev_private; |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 526 | const intel_limit_t *limit; |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 527 | |
| 528 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
Takashi Iwai | b035438 | 2012-03-20 13:07:05 +0100 | [diff] [blame] | 529 | if (is_dual_link_lvds(dev_priv, PCH_LVDS)) { |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 530 | /* LVDS dual channel */ |
Chris Wilson | 1b894b5 | 2010-12-14 20:04:54 +0000 | [diff] [blame] | 531 | if (refclk == 100000) |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 532 | limit = &intel_limits_ironlake_dual_lvds_100m; |
| 533 | else |
| 534 | limit = &intel_limits_ironlake_dual_lvds; |
| 535 | } else { |
Chris Wilson | 1b894b5 | 2010-12-14 20:04:54 +0000 | [diff] [blame] | 536 | if (refclk == 100000) |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 537 | limit = &intel_limits_ironlake_single_lvds_100m; |
| 538 | else |
| 539 | limit = &intel_limits_ironlake_single_lvds; |
| 540 | } |
| 541 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || |
Jani Nikula | 547dc04 | 2012-11-02 11:24:03 +0200 | [diff] [blame] | 542 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) |
Zhao Yakui | 4547668 | 2009-12-31 16:06:04 +0800 | [diff] [blame] | 543 | limit = &intel_limits_ironlake_display_port; |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 544 | else |
Zhenyu Wang | b91ad0e | 2010-02-05 09:14:17 +0800 | [diff] [blame] | 545 | limit = &intel_limits_ironlake_dac; |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 546 | |
| 547 | return limit; |
| 548 | } |
| 549 | |
Ma Ling | 044c7c4 | 2009-03-18 20:13:23 +0800 | [diff] [blame] | 550 | static const intel_limit_t *intel_g4x_limit(struct drm_crtc *crtc) |
| 551 | { |
| 552 | struct drm_device *dev = crtc->dev; |
| 553 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 554 | const intel_limit_t *limit; |
| 555 | |
| 556 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
Takashi Iwai | b035438 | 2012-03-20 13:07:05 +0100 | [diff] [blame] | 557 | if (is_dual_link_lvds(dev_priv, LVDS)) |
Ma Ling | 044c7c4 | 2009-03-18 20:13:23 +0800 | [diff] [blame] | 558 | /* LVDS with dual channel */ |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 559 | limit = &intel_limits_g4x_dual_channel_lvds; |
Ma Ling | 044c7c4 | 2009-03-18 20:13:23 +0800 | [diff] [blame] | 560 | else |
| 561 | /* LVDS with dual channel */ |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 562 | limit = &intel_limits_g4x_single_channel_lvds; |
Ma Ling | 044c7c4 | 2009-03-18 20:13:23 +0800 | [diff] [blame] | 563 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI) || |
| 564 | intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG)) { |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 565 | limit = &intel_limits_g4x_hdmi; |
Ma Ling | 044c7c4 | 2009-03-18 20:13:23 +0800 | [diff] [blame] | 566 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) { |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 567 | limit = &intel_limits_g4x_sdvo; |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 568 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 569 | limit = &intel_limits_g4x_display_port; |
Ma Ling | 044c7c4 | 2009-03-18 20:13:23 +0800 | [diff] [blame] | 570 | } else /* The option is for other outputs */ |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 571 | limit = &intel_limits_i9xx_sdvo; |
Ma Ling | 044c7c4 | 2009-03-18 20:13:23 +0800 | [diff] [blame] | 572 | |
| 573 | return limit; |
| 574 | } |
| 575 | |
Chris Wilson | 1b894b5 | 2010-12-14 20:04:54 +0000 | [diff] [blame] | 576 | static const intel_limit_t *intel_limit(struct drm_crtc *crtc, int refclk) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 577 | { |
| 578 | struct drm_device *dev = crtc->dev; |
| 579 | const intel_limit_t *limit; |
| 580 | |
Eric Anholt | bad720f | 2009-10-22 16:11:14 -0700 | [diff] [blame] | 581 | if (HAS_PCH_SPLIT(dev)) |
Chris Wilson | 1b894b5 | 2010-12-14 20:04:54 +0000 | [diff] [blame] | 582 | limit = intel_ironlake_limit(crtc, refclk); |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 583 | else if (IS_G4X(dev)) { |
Ma Ling | 044c7c4 | 2009-03-18 20:13:23 +0800 | [diff] [blame] | 584 | limit = intel_g4x_limit(crtc); |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 585 | } else if (IS_PINEVIEW(dev)) { |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 586 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 587 | limit = &intel_limits_pineview_lvds; |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 588 | else |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 589 | limit = &intel_limits_pineview_sdvo; |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 590 | } else if (IS_VALLEYVIEW(dev)) { |
| 591 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG)) |
| 592 | limit = &intel_limits_vlv_dac; |
| 593 | else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) |
| 594 | limit = &intel_limits_vlv_hdmi; |
| 595 | else |
| 596 | limit = &intel_limits_vlv_dp; |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 597 | } else if (!IS_GEN2(dev)) { |
| 598 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
| 599 | limit = &intel_limits_i9xx_lvds; |
| 600 | else |
| 601 | limit = &intel_limits_i9xx_sdvo; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 602 | } else { |
| 603 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 604 | limit = &intel_limits_i8xx_lvds; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 605 | else |
Keith Packard | e4b3669 | 2009-06-05 19:22:17 -0700 | [diff] [blame] | 606 | limit = &intel_limits_i8xx_dvo; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 607 | } |
| 608 | return limit; |
| 609 | } |
| 610 | |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 611 | /* m1 is reserved as 0 in Pineview, n is a ring counter */ |
| 612 | static void pineview_clock(int refclk, intel_clock_t *clock) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 613 | { |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 614 | clock->m = clock->m2 + 2; |
| 615 | clock->p = clock->p1 * clock->p2; |
| 616 | clock->vco = refclk * clock->m / clock->n; |
| 617 | clock->dot = clock->vco / clock->p; |
| 618 | } |
| 619 | |
| 620 | static void intel_clock(struct drm_device *dev, int refclk, intel_clock_t *clock) |
| 621 | { |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 622 | if (IS_PINEVIEW(dev)) { |
| 623 | pineview_clock(refclk, clock); |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 624 | return; |
| 625 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 626 | clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2); |
| 627 | clock->p = clock->p1 * clock->p2; |
| 628 | clock->vco = refclk * clock->m / (clock->n + 2); |
| 629 | clock->dot = clock->vco / clock->p; |
| 630 | } |
| 631 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 632 | /** |
| 633 | * Returns whether any output on the specified pipe is of the specified type |
| 634 | */ |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 635 | bool intel_pipe_has_type(struct drm_crtc *crtc, int type) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 636 | { |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 637 | struct drm_device *dev = crtc->dev; |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 638 | struct intel_encoder *encoder; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 639 | |
Daniel Vetter | 6c2b7c12 | 2012-07-05 09:50:24 +0200 | [diff] [blame] | 640 | for_each_encoder_on_crtc(dev, crtc, encoder) |
| 641 | if (encoder->type == type) |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 642 | return true; |
| 643 | |
| 644 | return false; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 645 | } |
| 646 | |
Jesse Barnes | 7c04d1d | 2009-02-23 15:36:40 -0800 | [diff] [blame] | 647 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 648 | /** |
| 649 | * Returns whether the given set of divisors are valid for a given refclk with |
| 650 | * the given connectors. |
| 651 | */ |
| 652 | |
Chris Wilson | 1b894b5 | 2010-12-14 20:04:54 +0000 | [diff] [blame] | 653 | static bool intel_PLL_is_valid(struct drm_device *dev, |
| 654 | const intel_limit_t *limit, |
| 655 | const intel_clock_t *clock) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 656 | { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 657 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 658 | INTELPllInvalid("p1 out of range\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 659 | if (clock->p < limit->p.min || limit->p.max < clock->p) |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 660 | INTELPllInvalid("p out of range\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 661 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 662 | INTELPllInvalid("m2 out of range\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 663 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 664 | INTELPllInvalid("m1 out of range\n"); |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 665 | if (clock->m1 <= clock->m2 && !IS_PINEVIEW(dev)) |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 666 | INTELPllInvalid("m1 <= m2\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 667 | if (clock->m < limit->m.min || limit->m.max < clock->m) |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 668 | INTELPllInvalid("m out of range\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 669 | if (clock->n < limit->n.min || limit->n.max < clock->n) |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 670 | INTELPllInvalid("n out of range\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 671 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 672 | INTELPllInvalid("vco out of range\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 673 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, |
| 674 | * connector, etc., rather than just a single range. |
| 675 | */ |
| 676 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 677 | INTELPllInvalid("dot out of range\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 678 | |
| 679 | return true; |
| 680 | } |
| 681 | |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 682 | static bool |
| 683 | intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 684 | int target, int refclk, intel_clock_t *match_clock, |
| 685 | intel_clock_t *best_clock) |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 686 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 687 | { |
| 688 | struct drm_device *dev = crtc->dev; |
| 689 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 690 | intel_clock_t clock; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 691 | int err = target; |
| 692 | |
Bruno Prémont | bc5e571 | 2009-08-08 13:01:17 +0200 | [diff] [blame] | 693 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && |
Florian Mickler | 832cc28 | 2009-07-13 18:40:32 +0800 | [diff] [blame] | 694 | (I915_READ(LVDS)) != 0) { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 695 | /* |
| 696 | * For LVDS, if the panel is on, just rely on its current |
| 697 | * settings for dual-channel. We haven't figured out how to |
| 698 | * reliably set up different single/dual channel state, if we |
| 699 | * even can. |
| 700 | */ |
Takashi Iwai | b035438 | 2012-03-20 13:07:05 +0100 | [diff] [blame] | 701 | if (is_dual_link_lvds(dev_priv, LVDS)) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 702 | clock.p2 = limit->p2.p2_fast; |
| 703 | else |
| 704 | clock.p2 = limit->p2.p2_slow; |
| 705 | } else { |
| 706 | if (target < limit->p2.dot_limit) |
| 707 | clock.p2 = limit->p2.p2_slow; |
| 708 | else |
| 709 | clock.p2 = limit->p2.p2_fast; |
| 710 | } |
| 711 | |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 712 | memset(best_clock, 0, sizeof(*best_clock)); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 713 | |
Zhao Yakui | 4215866 | 2009-11-20 11:24:18 +0800 | [diff] [blame] | 714 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
| 715 | clock.m1++) { |
| 716 | for (clock.m2 = limit->m2.min; |
| 717 | clock.m2 <= limit->m2.max; clock.m2++) { |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 718 | /* m1 is always 0 in Pineview */ |
| 719 | if (clock.m2 >= clock.m1 && !IS_PINEVIEW(dev)) |
Zhao Yakui | 4215866 | 2009-11-20 11:24:18 +0800 | [diff] [blame] | 720 | break; |
| 721 | for (clock.n = limit->n.min; |
| 722 | clock.n <= limit->n.max; clock.n++) { |
| 723 | for (clock.p1 = limit->p1.min; |
| 724 | clock.p1 <= limit->p1.max; clock.p1++) { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 725 | int this_err; |
| 726 | |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 727 | intel_clock(dev, refclk, &clock); |
Chris Wilson | 1b894b5 | 2010-12-14 20:04:54 +0000 | [diff] [blame] | 728 | if (!intel_PLL_is_valid(dev, limit, |
| 729 | &clock)) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 730 | continue; |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 731 | if (match_clock && |
| 732 | clock.p != match_clock->p) |
| 733 | continue; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 734 | |
| 735 | this_err = abs(clock.dot - target); |
| 736 | if (this_err < err) { |
| 737 | *best_clock = clock; |
| 738 | err = this_err; |
| 739 | } |
| 740 | } |
| 741 | } |
| 742 | } |
| 743 | } |
| 744 | |
| 745 | return (err != target); |
| 746 | } |
| 747 | |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 748 | static bool |
| 749 | intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 750 | int target, int refclk, intel_clock_t *match_clock, |
| 751 | intel_clock_t *best_clock) |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 752 | { |
| 753 | struct drm_device *dev = crtc->dev; |
| 754 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 755 | intel_clock_t clock; |
| 756 | int max_n; |
| 757 | bool found; |
Adam Jackson | 6ba770d | 2010-07-02 16:43:30 -0400 | [diff] [blame] | 758 | /* approximately equals target * 0.00585 */ |
| 759 | int err_most = (target >> 8) + (target >> 9); |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 760 | found = false; |
| 761 | |
| 762 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
Zhao Yakui | 4547668 | 2009-12-31 16:06:04 +0800 | [diff] [blame] | 763 | int lvds_reg; |
| 764 | |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 765 | if (HAS_PCH_SPLIT(dev)) |
Zhao Yakui | 4547668 | 2009-12-31 16:06:04 +0800 | [diff] [blame] | 766 | lvds_reg = PCH_LVDS; |
| 767 | else |
| 768 | lvds_reg = LVDS; |
| 769 | if ((I915_READ(lvds_reg) & LVDS_CLKB_POWER_MASK) == |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 770 | LVDS_CLKB_POWER_UP) |
| 771 | clock.p2 = limit->p2.p2_fast; |
| 772 | else |
| 773 | clock.p2 = limit->p2.p2_slow; |
| 774 | } else { |
| 775 | if (target < limit->p2.dot_limit) |
| 776 | clock.p2 = limit->p2.p2_slow; |
| 777 | else |
| 778 | clock.p2 = limit->p2.p2_fast; |
| 779 | } |
| 780 | |
| 781 | memset(best_clock, 0, sizeof(*best_clock)); |
| 782 | max_n = limit->n.max; |
Gilles Espinasse | f77f13e | 2010-03-29 15:41:47 +0200 | [diff] [blame] | 783 | /* based on hardware requirement, prefer smaller n to precision */ |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 784 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
Gilles Espinasse | f77f13e | 2010-03-29 15:41:47 +0200 | [diff] [blame] | 785 | /* based on hardware requirement, prefere larger m1,m2 */ |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 786 | for (clock.m1 = limit->m1.max; |
| 787 | clock.m1 >= limit->m1.min; clock.m1--) { |
| 788 | for (clock.m2 = limit->m2.max; |
| 789 | clock.m2 >= limit->m2.min; clock.m2--) { |
| 790 | for (clock.p1 = limit->p1.max; |
| 791 | clock.p1 >= limit->p1.min; clock.p1--) { |
| 792 | int this_err; |
| 793 | |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 794 | intel_clock(dev, refclk, &clock); |
Chris Wilson | 1b894b5 | 2010-12-14 20:04:54 +0000 | [diff] [blame] | 795 | if (!intel_PLL_is_valid(dev, limit, |
| 796 | &clock)) |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 797 | continue; |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 798 | if (match_clock && |
| 799 | clock.p != match_clock->p) |
| 800 | continue; |
Chris Wilson | 1b894b5 | 2010-12-14 20:04:54 +0000 | [diff] [blame] | 801 | |
| 802 | this_err = abs(clock.dot - target); |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 803 | if (this_err < err_most) { |
| 804 | *best_clock = clock; |
| 805 | err_most = this_err; |
| 806 | max_n = clock.n; |
| 807 | found = true; |
| 808 | } |
| 809 | } |
| 810 | } |
| 811 | } |
| 812 | } |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 813 | return found; |
| 814 | } |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 815 | |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 816 | static bool |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 817 | intel_find_pll_ironlake_dp(const intel_limit_t *limit, struct drm_crtc *crtc, |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 818 | int target, int refclk, intel_clock_t *match_clock, |
| 819 | intel_clock_t *best_clock) |
Zhenyu Wang | 5eb08b6 | 2009-07-24 01:00:31 +0800 | [diff] [blame] | 820 | { |
| 821 | struct drm_device *dev = crtc->dev; |
| 822 | intel_clock_t clock; |
Zhao Yakui | 4547668 | 2009-12-31 16:06:04 +0800 | [diff] [blame] | 823 | |
Zhenyu Wang | 5eb08b6 | 2009-07-24 01:00:31 +0800 | [diff] [blame] | 824 | if (target < 200000) { |
| 825 | clock.n = 1; |
| 826 | clock.p1 = 2; |
| 827 | clock.p2 = 10; |
| 828 | clock.m1 = 12; |
| 829 | clock.m2 = 9; |
| 830 | } else { |
| 831 | clock.n = 2; |
| 832 | clock.p1 = 1; |
| 833 | clock.p2 = 10; |
| 834 | clock.m1 = 14; |
| 835 | clock.m2 = 8; |
| 836 | } |
| 837 | intel_clock(dev, refclk, &clock); |
| 838 | memcpy(best_clock, &clock, sizeof(intel_clock_t)); |
| 839 | return true; |
| 840 | } |
| 841 | |
Keith Packard | a4fc5ed | 2009-04-07 16:16:42 -0700 | [diff] [blame] | 842 | /* DisplayPort has only two frequencies, 162MHz and 270MHz */ |
| 843 | static bool |
| 844 | intel_find_pll_g4x_dp(const intel_limit_t *limit, struct drm_crtc *crtc, |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 845 | int target, int refclk, intel_clock_t *match_clock, |
| 846 | intel_clock_t *best_clock) |
Keith Packard | a4fc5ed | 2009-04-07 16:16:42 -0700 | [diff] [blame] | 847 | { |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 848 | intel_clock_t clock; |
| 849 | if (target < 200000) { |
| 850 | clock.p1 = 2; |
| 851 | clock.p2 = 10; |
| 852 | clock.n = 2; |
| 853 | clock.m1 = 23; |
| 854 | clock.m2 = 8; |
| 855 | } else { |
| 856 | clock.p1 = 1; |
| 857 | clock.p2 = 10; |
| 858 | clock.n = 1; |
| 859 | clock.m1 = 14; |
| 860 | clock.m2 = 2; |
| 861 | } |
| 862 | clock.m = 5 * (clock.m1 + 2) + (clock.m2 + 2); |
| 863 | clock.p = (clock.p1 * clock.p2); |
| 864 | clock.dot = 96000 * clock.m / (clock.n + 2) / clock.p; |
| 865 | clock.vco = 0; |
| 866 | memcpy(best_clock, &clock, sizeof(intel_clock_t)); |
| 867 | return true; |
Keith Packard | a4fc5ed | 2009-04-07 16:16:42 -0700 | [diff] [blame] | 868 | } |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 869 | static bool |
| 870 | intel_vlv_find_best_pll(const intel_limit_t *limit, struct drm_crtc *crtc, |
| 871 | int target, int refclk, intel_clock_t *match_clock, |
| 872 | intel_clock_t *best_clock) |
| 873 | { |
| 874 | u32 p1, p2, m1, m2, vco, bestn, bestm1, bestm2, bestp1, bestp2; |
| 875 | u32 m, n, fastclk; |
| 876 | u32 updrate, minupdate, fracbits, p; |
| 877 | unsigned long bestppm, ppm, absppm; |
| 878 | int dotclk, flag; |
| 879 | |
Alan Cox | af447bd | 2012-07-25 13:49:18 +0100 | [diff] [blame] | 880 | flag = 0; |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 881 | dotclk = target * 1000; |
| 882 | bestppm = 1000000; |
| 883 | ppm = absppm = 0; |
| 884 | fastclk = dotclk / (2*100); |
| 885 | updrate = 0; |
| 886 | minupdate = 19200; |
| 887 | fracbits = 1; |
| 888 | n = p = p1 = p2 = m = m1 = m2 = vco = bestn = 0; |
| 889 | bestm1 = bestm2 = bestp1 = bestp2 = 0; |
| 890 | |
| 891 | /* based on hardware requirement, prefer smaller n to precision */ |
| 892 | for (n = limit->n.min; n <= ((refclk) / minupdate); n++) { |
| 893 | updrate = refclk / n; |
| 894 | for (p1 = limit->p1.max; p1 > limit->p1.min; p1--) { |
| 895 | for (p2 = limit->p2.p2_fast+1; p2 > 0; p2--) { |
| 896 | if (p2 > 10) |
| 897 | p2 = p2 - 1; |
| 898 | p = p1 * p2; |
| 899 | /* based on hardware requirement, prefer bigger m1,m2 values */ |
| 900 | for (m1 = limit->m1.min; m1 <= limit->m1.max; m1++) { |
| 901 | m2 = (((2*(fastclk * p * n / m1 )) + |
| 902 | refclk) / (2*refclk)); |
| 903 | m = m1 * m2; |
| 904 | vco = updrate * m; |
| 905 | if (vco >= limit->vco.min && vco < limit->vco.max) { |
| 906 | ppm = 1000000 * ((vco / p) - fastclk) / fastclk; |
| 907 | absppm = (ppm > 0) ? ppm : (-ppm); |
| 908 | if (absppm < 100 && ((p1 * p2) > (bestp1 * bestp2))) { |
| 909 | bestppm = 0; |
| 910 | flag = 1; |
| 911 | } |
| 912 | if (absppm < bestppm - 10) { |
| 913 | bestppm = absppm; |
| 914 | flag = 1; |
| 915 | } |
| 916 | if (flag) { |
| 917 | bestn = n; |
| 918 | bestm1 = m1; |
| 919 | bestm2 = m2; |
| 920 | bestp1 = p1; |
| 921 | bestp2 = p2; |
| 922 | flag = 0; |
| 923 | } |
| 924 | } |
| 925 | } |
| 926 | } |
| 927 | } |
| 928 | } |
| 929 | best_clock->n = bestn; |
| 930 | best_clock->m1 = bestm1; |
| 931 | best_clock->m2 = bestm2; |
| 932 | best_clock->p1 = bestp1; |
| 933 | best_clock->p2 = bestp2; |
| 934 | |
| 935 | return true; |
| 936 | } |
Keith Packard | a4fc5ed | 2009-04-07 16:16:42 -0700 | [diff] [blame] | 937 | |
Paulo Zanoni | a5c961d | 2012-10-24 15:59:34 -0200 | [diff] [blame] | 938 | enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, |
| 939 | enum pipe pipe) |
| 940 | { |
| 941 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
| 942 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 943 | |
| 944 | return intel_crtc->cpu_transcoder; |
| 945 | } |
| 946 | |
Paulo Zanoni | a928d53 | 2012-05-04 17:18:15 -0300 | [diff] [blame] | 947 | static void ironlake_wait_for_vblank(struct drm_device *dev, int pipe) |
| 948 | { |
| 949 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 950 | u32 frame, frame_reg = PIPEFRAME(pipe); |
| 951 | |
| 952 | frame = I915_READ(frame_reg); |
| 953 | |
| 954 | if (wait_for(I915_READ_NOTRACE(frame_reg) != frame, 50)) |
| 955 | DRM_DEBUG_KMS("vblank wait timed out\n"); |
| 956 | } |
| 957 | |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 958 | /** |
| 959 | * intel_wait_for_vblank - wait for vblank on a given pipe |
| 960 | * @dev: drm device |
| 961 | * @pipe: pipe to wait for |
| 962 | * |
| 963 | * Wait for vblank to occur on a given pipe. Needed for various bits of |
| 964 | * mode setting code. |
| 965 | */ |
| 966 | void intel_wait_for_vblank(struct drm_device *dev, int pipe) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 967 | { |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 968 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 969 | int pipestat_reg = PIPESTAT(pipe); |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 970 | |
Paulo Zanoni | a928d53 | 2012-05-04 17:18:15 -0300 | [diff] [blame] | 971 | if (INTEL_INFO(dev)->gen >= 5) { |
| 972 | ironlake_wait_for_vblank(dev, pipe); |
| 973 | return; |
| 974 | } |
| 975 | |
Chris Wilson | 300387c | 2010-09-05 20:25:43 +0100 | [diff] [blame] | 976 | /* Clear existing vblank status. Note this will clear any other |
| 977 | * sticky status fields as well. |
| 978 | * |
| 979 | * This races with i915_driver_irq_handler() with the result |
| 980 | * that either function could miss a vblank event. Here it is not |
| 981 | * fatal, as we will either wait upon the next vblank interrupt or |
| 982 | * timeout. Generally speaking intel_wait_for_vblank() is only |
| 983 | * called during modeset at which time the GPU should be idle and |
| 984 | * should *not* be performing page flips and thus not waiting on |
| 985 | * vblanks... |
| 986 | * Currently, the result of us stealing a vblank from the irq |
| 987 | * handler is that a single frame will be skipped during swapbuffers. |
| 988 | */ |
| 989 | I915_WRITE(pipestat_reg, |
| 990 | I915_READ(pipestat_reg) | PIPE_VBLANK_INTERRUPT_STATUS); |
| 991 | |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 992 | /* Wait for vblank interrupt bit to set */ |
Chris Wilson | 481b6af | 2010-08-23 17:43:35 +0100 | [diff] [blame] | 993 | if (wait_for(I915_READ(pipestat_reg) & |
| 994 | PIPE_VBLANK_INTERRUPT_STATUS, |
| 995 | 50)) |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 996 | DRM_DEBUG_KMS("vblank wait timed out\n"); |
| 997 | } |
| 998 | |
Keith Packard | ab7ad7f | 2010-10-03 00:33:06 -0700 | [diff] [blame] | 999 | /* |
| 1000 | * intel_wait_for_pipe_off - wait for pipe to turn off |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 1001 | * @dev: drm device |
| 1002 | * @pipe: pipe to wait for |
| 1003 | * |
| 1004 | * After disabling a pipe, we can't wait for vblank in the usual way, |
| 1005 | * spinning on the vblank interrupt status bit, since we won't actually |
| 1006 | * see an interrupt when the pipe is disabled. |
| 1007 | * |
Keith Packard | ab7ad7f | 2010-10-03 00:33:06 -0700 | [diff] [blame] | 1008 | * On Gen4 and above: |
| 1009 | * wait for the pipe register state bit to turn off |
| 1010 | * |
| 1011 | * Otherwise: |
| 1012 | * wait for the display line value to settle (it usually |
| 1013 | * ends up stopping at the start of the next frame). |
Chris Wilson | 58e10eb | 2010-10-03 10:56:11 +0100 | [diff] [blame] | 1014 | * |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 1015 | */ |
Chris Wilson | 58e10eb | 2010-10-03 10:56:11 +0100 | [diff] [blame] | 1016 | void intel_wait_for_pipe_off(struct drm_device *dev, int pipe) |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 1017 | { |
| 1018 | struct drm_i915_private *dev_priv = dev->dev_private; |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 1019 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
| 1020 | pipe); |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 1021 | |
Keith Packard | ab7ad7f | 2010-10-03 00:33:06 -0700 | [diff] [blame] | 1022 | if (INTEL_INFO(dev)->gen >= 4) { |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 1023 | int reg = PIPECONF(cpu_transcoder); |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 1024 | |
Keith Packard | ab7ad7f | 2010-10-03 00:33:06 -0700 | [diff] [blame] | 1025 | /* Wait for the Pipe State to go off */ |
Chris Wilson | 58e10eb | 2010-10-03 10:56:11 +0100 | [diff] [blame] | 1026 | if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, |
| 1027 | 100)) |
Daniel Vetter | 284637d | 2012-07-09 09:51:57 +0200 | [diff] [blame] | 1028 | WARN(1, "pipe_off wait timed out\n"); |
Keith Packard | ab7ad7f | 2010-10-03 00:33:06 -0700 | [diff] [blame] | 1029 | } else { |
Paulo Zanoni | 837ba00 | 2012-05-04 17:18:14 -0300 | [diff] [blame] | 1030 | u32 last_line, line_mask; |
Chris Wilson | 58e10eb | 2010-10-03 10:56:11 +0100 | [diff] [blame] | 1031 | int reg = PIPEDSL(pipe); |
Keith Packard | ab7ad7f | 2010-10-03 00:33:06 -0700 | [diff] [blame] | 1032 | unsigned long timeout = jiffies + msecs_to_jiffies(100); |
| 1033 | |
Paulo Zanoni | 837ba00 | 2012-05-04 17:18:14 -0300 | [diff] [blame] | 1034 | if (IS_GEN2(dev)) |
| 1035 | line_mask = DSL_LINEMASK_GEN2; |
| 1036 | else |
| 1037 | line_mask = DSL_LINEMASK_GEN3; |
| 1038 | |
Keith Packard | ab7ad7f | 2010-10-03 00:33:06 -0700 | [diff] [blame] | 1039 | /* Wait for the display line to settle */ |
| 1040 | do { |
Paulo Zanoni | 837ba00 | 2012-05-04 17:18:14 -0300 | [diff] [blame] | 1041 | last_line = I915_READ(reg) & line_mask; |
Keith Packard | ab7ad7f | 2010-10-03 00:33:06 -0700 | [diff] [blame] | 1042 | mdelay(5); |
Paulo Zanoni | 837ba00 | 2012-05-04 17:18:14 -0300 | [diff] [blame] | 1043 | } while (((I915_READ(reg) & line_mask) != last_line) && |
Keith Packard | ab7ad7f | 2010-10-03 00:33:06 -0700 | [diff] [blame] | 1044 | time_after(timeout, jiffies)); |
| 1045 | if (time_after(jiffies, timeout)) |
Daniel Vetter | 284637d | 2012-07-09 09:51:57 +0200 | [diff] [blame] | 1046 | WARN(1, "pipe_off wait timed out\n"); |
Keith Packard | ab7ad7f | 2010-10-03 00:33:06 -0700 | [diff] [blame] | 1047 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1048 | } |
| 1049 | |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1050 | static const char *state_string(bool enabled) |
| 1051 | { |
| 1052 | return enabled ? "on" : "off"; |
| 1053 | } |
| 1054 | |
| 1055 | /* Only for pre-ILK configs */ |
| 1056 | static void assert_pll(struct drm_i915_private *dev_priv, |
| 1057 | enum pipe pipe, bool state) |
| 1058 | { |
| 1059 | int reg; |
| 1060 | u32 val; |
| 1061 | bool cur_state; |
| 1062 | |
| 1063 | reg = DPLL(pipe); |
| 1064 | val = I915_READ(reg); |
| 1065 | cur_state = !!(val & DPLL_VCO_ENABLE); |
| 1066 | WARN(cur_state != state, |
| 1067 | "PLL state assertion failure (expected %s, current %s)\n", |
| 1068 | state_string(state), state_string(cur_state)); |
| 1069 | } |
| 1070 | #define assert_pll_enabled(d, p) assert_pll(d, p, true) |
| 1071 | #define assert_pll_disabled(d, p) assert_pll(d, p, false) |
| 1072 | |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1073 | /* For ILK+ */ |
| 1074 | static void assert_pch_pll(struct drm_i915_private *dev_priv, |
Chris Wilson | 92b27b0 | 2012-05-20 18:10:50 +0100 | [diff] [blame] | 1075 | struct intel_pch_pll *pll, |
| 1076 | struct intel_crtc *crtc, |
| 1077 | bool state) |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1078 | { |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1079 | u32 val; |
| 1080 | bool cur_state; |
| 1081 | |
Eugeni Dodonov | 9d82aa1 | 2012-05-09 15:37:17 -0300 | [diff] [blame] | 1082 | if (HAS_PCH_LPT(dev_priv->dev)) { |
| 1083 | DRM_DEBUG_DRIVER("LPT detected: skipping PCH PLL test\n"); |
| 1084 | return; |
| 1085 | } |
| 1086 | |
Chris Wilson | 92b27b0 | 2012-05-20 18:10:50 +0100 | [diff] [blame] | 1087 | if (WARN (!pll, |
| 1088 | "asserting PCH PLL %s with no PLL\n", state_string(state))) |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1089 | return; |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1090 | |
Chris Wilson | 92b27b0 | 2012-05-20 18:10:50 +0100 | [diff] [blame] | 1091 | val = I915_READ(pll->pll_reg); |
| 1092 | cur_state = !!(val & DPLL_VCO_ENABLE); |
| 1093 | WARN(cur_state != state, |
| 1094 | "PCH PLL state for reg %x assertion failure (expected %s, current %s), val=%08x\n", |
| 1095 | pll->pll_reg, state_string(state), state_string(cur_state), val); |
| 1096 | |
| 1097 | /* Make sure the selected PLL is correctly attached to the transcoder */ |
| 1098 | if (crtc && HAS_PCH_CPT(dev_priv->dev)) { |
Jesse Barnes | d3ccbe8 | 2011-10-12 09:27:42 -0700 | [diff] [blame] | 1099 | u32 pch_dpll; |
| 1100 | |
| 1101 | pch_dpll = I915_READ(PCH_DPLL_SEL); |
Chris Wilson | 92b27b0 | 2012-05-20 18:10:50 +0100 | [diff] [blame] | 1102 | cur_state = pll->pll_reg == _PCH_DPLL_B; |
| 1103 | if (!WARN(((pch_dpll >> (4 * crtc->pipe)) & 1) != cur_state, |
| 1104 | "PLL[%d] not attached to this transcoder %d: %08x\n", |
| 1105 | cur_state, crtc->pipe, pch_dpll)) { |
| 1106 | cur_state = !!(val >> (4*crtc->pipe + 3)); |
| 1107 | WARN(cur_state != state, |
| 1108 | "PLL[%d] not %s on this transcoder %d: %08x\n", |
| 1109 | pll->pll_reg == _PCH_DPLL_B, |
| 1110 | state_string(state), |
| 1111 | crtc->pipe, |
| 1112 | val); |
| 1113 | } |
Jesse Barnes | d3ccbe8 | 2011-10-12 09:27:42 -0700 | [diff] [blame] | 1114 | } |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1115 | } |
Chris Wilson | 92b27b0 | 2012-05-20 18:10:50 +0100 | [diff] [blame] | 1116 | #define assert_pch_pll_enabled(d, p, c) assert_pch_pll(d, p, c, true) |
| 1117 | #define assert_pch_pll_disabled(d, p, c) assert_pch_pll(d, p, c, false) |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1118 | |
| 1119 | static void assert_fdi_tx(struct drm_i915_private *dev_priv, |
| 1120 | enum pipe pipe, bool state) |
| 1121 | { |
| 1122 | int reg; |
| 1123 | u32 val; |
| 1124 | bool cur_state; |
Paulo Zanoni | ad80a81 | 2012-10-24 16:06:19 -0200 | [diff] [blame] | 1125 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
| 1126 | pipe); |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1127 | |
Eugeni Dodonov | bf507ef | 2012-05-09 15:37:18 -0300 | [diff] [blame] | 1128 | if (IS_HASWELL(dev_priv->dev)) { |
| 1129 | /* On Haswell, DDI is used instead of FDI_TX_CTL */ |
Paulo Zanoni | ad80a81 | 2012-10-24 16:06:19 -0200 | [diff] [blame] | 1130 | reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); |
Eugeni Dodonov | bf507ef | 2012-05-09 15:37:18 -0300 | [diff] [blame] | 1131 | val = I915_READ(reg); |
Paulo Zanoni | ad80a81 | 2012-10-24 16:06:19 -0200 | [diff] [blame] | 1132 | cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); |
Eugeni Dodonov | bf507ef | 2012-05-09 15:37:18 -0300 | [diff] [blame] | 1133 | } else { |
| 1134 | reg = FDI_TX_CTL(pipe); |
| 1135 | val = I915_READ(reg); |
| 1136 | cur_state = !!(val & FDI_TX_ENABLE); |
| 1137 | } |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1138 | WARN(cur_state != state, |
| 1139 | "FDI TX state assertion failure (expected %s, current %s)\n", |
| 1140 | state_string(state), state_string(cur_state)); |
| 1141 | } |
| 1142 | #define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) |
| 1143 | #define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) |
| 1144 | |
| 1145 | static void assert_fdi_rx(struct drm_i915_private *dev_priv, |
| 1146 | enum pipe pipe, bool state) |
| 1147 | { |
| 1148 | int reg; |
| 1149 | u32 val; |
| 1150 | bool cur_state; |
| 1151 | |
Paulo Zanoni | d63fa0d | 2012-11-20 13:27:35 -0200 | [diff] [blame] | 1152 | reg = FDI_RX_CTL(pipe); |
| 1153 | val = I915_READ(reg); |
| 1154 | cur_state = !!(val & FDI_RX_ENABLE); |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1155 | WARN(cur_state != state, |
| 1156 | "FDI RX state assertion failure (expected %s, current %s)\n", |
| 1157 | state_string(state), state_string(cur_state)); |
| 1158 | } |
| 1159 | #define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) |
| 1160 | #define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) |
| 1161 | |
| 1162 | static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, |
| 1163 | enum pipe pipe) |
| 1164 | { |
| 1165 | int reg; |
| 1166 | u32 val; |
| 1167 | |
| 1168 | /* ILK FDI PLL is always enabled */ |
| 1169 | if (dev_priv->info->gen == 5) |
| 1170 | return; |
| 1171 | |
Eugeni Dodonov | bf507ef | 2012-05-09 15:37:18 -0300 | [diff] [blame] | 1172 | /* On Haswell, DDI ports are responsible for the FDI PLL setup */ |
| 1173 | if (IS_HASWELL(dev_priv->dev)) |
| 1174 | return; |
| 1175 | |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1176 | reg = FDI_TX_CTL(pipe); |
| 1177 | val = I915_READ(reg); |
| 1178 | WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); |
| 1179 | } |
| 1180 | |
| 1181 | static void assert_fdi_rx_pll_enabled(struct drm_i915_private *dev_priv, |
| 1182 | enum pipe pipe) |
| 1183 | { |
| 1184 | int reg; |
| 1185 | u32 val; |
| 1186 | |
| 1187 | reg = FDI_RX_CTL(pipe); |
| 1188 | val = I915_READ(reg); |
| 1189 | WARN(!(val & FDI_RX_PLL_ENABLE), "FDI RX PLL assertion failure, should be active but is disabled\n"); |
| 1190 | } |
| 1191 | |
Jesse Barnes | ea0760c | 2011-01-04 15:09:32 -0800 | [diff] [blame] | 1192 | static void assert_panel_unlocked(struct drm_i915_private *dev_priv, |
| 1193 | enum pipe pipe) |
| 1194 | { |
| 1195 | int pp_reg, lvds_reg; |
| 1196 | u32 val; |
| 1197 | enum pipe panel_pipe = PIPE_A; |
Thomas Jarosch | 0de3b48 | 2011-08-25 15:37:45 +0200 | [diff] [blame] | 1198 | bool locked = true; |
Jesse Barnes | ea0760c | 2011-01-04 15:09:32 -0800 | [diff] [blame] | 1199 | |
| 1200 | if (HAS_PCH_SPLIT(dev_priv->dev)) { |
| 1201 | pp_reg = PCH_PP_CONTROL; |
| 1202 | lvds_reg = PCH_LVDS; |
| 1203 | } else { |
| 1204 | pp_reg = PP_CONTROL; |
| 1205 | lvds_reg = LVDS; |
| 1206 | } |
| 1207 | |
| 1208 | val = I915_READ(pp_reg); |
| 1209 | if (!(val & PANEL_POWER_ON) || |
| 1210 | ((val & PANEL_UNLOCK_REGS) == PANEL_UNLOCK_REGS)) |
| 1211 | locked = false; |
| 1212 | |
| 1213 | if (I915_READ(lvds_reg) & LVDS_PIPEB_SELECT) |
| 1214 | panel_pipe = PIPE_B; |
| 1215 | |
| 1216 | WARN(panel_pipe == pipe && locked, |
| 1217 | "panel assertion failure, pipe %c regs locked\n", |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 1218 | pipe_name(pipe)); |
Jesse Barnes | ea0760c | 2011-01-04 15:09:32 -0800 | [diff] [blame] | 1219 | } |
| 1220 | |
Jesse Barnes | b840d907f | 2011-12-13 13:19:38 -0800 | [diff] [blame] | 1221 | void assert_pipe(struct drm_i915_private *dev_priv, |
| 1222 | enum pipe pipe, bool state) |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1223 | { |
| 1224 | int reg; |
| 1225 | u32 val; |
Jesse Barnes | 63d7bbe | 2011-01-04 15:09:33 -0800 | [diff] [blame] | 1226 | bool cur_state; |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 1227 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
| 1228 | pipe); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1229 | |
Daniel Vetter | 8e63678 | 2012-01-22 01:36:48 +0100 | [diff] [blame] | 1230 | /* if we need the pipe A quirk it must be always on */ |
| 1231 | if (pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) |
| 1232 | state = true; |
| 1233 | |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 1234 | reg = PIPECONF(cpu_transcoder); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1235 | val = I915_READ(reg); |
Jesse Barnes | 63d7bbe | 2011-01-04 15:09:33 -0800 | [diff] [blame] | 1236 | cur_state = !!(val & PIPECONF_ENABLE); |
| 1237 | WARN(cur_state != state, |
| 1238 | "pipe %c assertion failure (expected %s, current %s)\n", |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 1239 | pipe_name(pipe), state_string(state), state_string(cur_state)); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1240 | } |
| 1241 | |
Chris Wilson | 931872f | 2012-01-16 23:01:13 +0000 | [diff] [blame] | 1242 | static void assert_plane(struct drm_i915_private *dev_priv, |
| 1243 | enum plane plane, bool state) |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1244 | { |
| 1245 | int reg; |
| 1246 | u32 val; |
Chris Wilson | 931872f | 2012-01-16 23:01:13 +0000 | [diff] [blame] | 1247 | bool cur_state; |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1248 | |
| 1249 | reg = DSPCNTR(plane); |
| 1250 | val = I915_READ(reg); |
Chris Wilson | 931872f | 2012-01-16 23:01:13 +0000 | [diff] [blame] | 1251 | cur_state = !!(val & DISPLAY_PLANE_ENABLE); |
| 1252 | WARN(cur_state != state, |
| 1253 | "plane %c assertion failure (expected %s, current %s)\n", |
| 1254 | plane_name(plane), state_string(state), state_string(cur_state)); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1255 | } |
| 1256 | |
Chris Wilson | 931872f | 2012-01-16 23:01:13 +0000 | [diff] [blame] | 1257 | #define assert_plane_enabled(d, p) assert_plane(d, p, true) |
| 1258 | #define assert_plane_disabled(d, p) assert_plane(d, p, false) |
| 1259 | |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1260 | static void assert_planes_disabled(struct drm_i915_private *dev_priv, |
| 1261 | enum pipe pipe) |
| 1262 | { |
| 1263 | int reg, i; |
| 1264 | u32 val; |
| 1265 | int cur_pipe; |
| 1266 | |
Jesse Barnes | 19ec135 | 2011-02-02 12:28:02 -0800 | [diff] [blame] | 1267 | /* Planes are fixed to pipes on ILK+ */ |
Adam Jackson | 28c05794 | 2011-10-07 14:38:42 -0400 | [diff] [blame] | 1268 | if (HAS_PCH_SPLIT(dev_priv->dev)) { |
| 1269 | reg = DSPCNTR(pipe); |
| 1270 | val = I915_READ(reg); |
| 1271 | WARN((val & DISPLAY_PLANE_ENABLE), |
| 1272 | "plane %c assertion failure, should be disabled but not\n", |
| 1273 | plane_name(pipe)); |
Jesse Barnes | 19ec135 | 2011-02-02 12:28:02 -0800 | [diff] [blame] | 1274 | return; |
Adam Jackson | 28c05794 | 2011-10-07 14:38:42 -0400 | [diff] [blame] | 1275 | } |
Jesse Barnes | 19ec135 | 2011-02-02 12:28:02 -0800 | [diff] [blame] | 1276 | |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1277 | /* Need to check both planes against the pipe */ |
| 1278 | for (i = 0; i < 2; i++) { |
| 1279 | reg = DSPCNTR(i); |
| 1280 | val = I915_READ(reg); |
| 1281 | cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> |
| 1282 | DISPPLANE_SEL_PIPE_SHIFT; |
| 1283 | WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe, |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 1284 | "plane %c assertion failure, should be off on pipe %c but is still active\n", |
| 1285 | plane_name(i), pipe_name(pipe)); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1286 | } |
| 1287 | } |
| 1288 | |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1289 | static void assert_pch_refclk_enabled(struct drm_i915_private *dev_priv) |
| 1290 | { |
| 1291 | u32 val; |
| 1292 | bool enabled; |
| 1293 | |
Eugeni Dodonov | 9d82aa1 | 2012-05-09 15:37:17 -0300 | [diff] [blame] | 1294 | if (HAS_PCH_LPT(dev_priv->dev)) { |
| 1295 | DRM_DEBUG_DRIVER("LPT does not has PCH refclk, skipping check\n"); |
| 1296 | return; |
| 1297 | } |
| 1298 | |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1299 | val = I915_READ(PCH_DREF_CONTROL); |
| 1300 | enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK | |
| 1301 | DREF_SUPERSPREAD_SOURCE_MASK)); |
| 1302 | WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n"); |
| 1303 | } |
| 1304 | |
| 1305 | static void assert_transcoder_disabled(struct drm_i915_private *dev_priv, |
| 1306 | enum pipe pipe) |
| 1307 | { |
| 1308 | int reg; |
| 1309 | u32 val; |
| 1310 | bool enabled; |
| 1311 | |
| 1312 | reg = TRANSCONF(pipe); |
| 1313 | val = I915_READ(reg); |
| 1314 | enabled = !!(val & TRANS_ENABLE); |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 1315 | WARN(enabled, |
| 1316 | "transcoder assertion failed, should be off on pipe %c but is still active\n", |
| 1317 | pipe_name(pipe)); |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1318 | } |
| 1319 | |
Keith Packard | 4e63438 | 2011-08-06 10:39:45 -0700 | [diff] [blame] | 1320 | static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, |
| 1321 | enum pipe pipe, u32 port_sel, u32 val) |
Keith Packard | f0575e9 | 2011-07-25 22:12:43 -0700 | [diff] [blame] | 1322 | { |
| 1323 | if ((val & DP_PORT_EN) == 0) |
| 1324 | return false; |
| 1325 | |
| 1326 | if (HAS_PCH_CPT(dev_priv->dev)) { |
| 1327 | u32 trans_dp_ctl_reg = TRANS_DP_CTL(pipe); |
| 1328 | u32 trans_dp_ctl = I915_READ(trans_dp_ctl_reg); |
| 1329 | if ((trans_dp_ctl & TRANS_DP_PORT_SEL_MASK) != port_sel) |
| 1330 | return false; |
| 1331 | } else { |
| 1332 | if ((val & DP_PIPE_MASK) != (pipe << 30)) |
| 1333 | return false; |
| 1334 | } |
| 1335 | return true; |
| 1336 | } |
| 1337 | |
Keith Packard | 1519b99 | 2011-08-06 10:35:34 -0700 | [diff] [blame] | 1338 | static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv, |
| 1339 | enum pipe pipe, u32 val) |
| 1340 | { |
| 1341 | if ((val & PORT_ENABLE) == 0) |
| 1342 | return false; |
| 1343 | |
| 1344 | if (HAS_PCH_CPT(dev_priv->dev)) { |
| 1345 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) |
| 1346 | return false; |
| 1347 | } else { |
| 1348 | if ((val & TRANSCODER_MASK) != TRANSCODER(pipe)) |
| 1349 | return false; |
| 1350 | } |
| 1351 | return true; |
| 1352 | } |
| 1353 | |
| 1354 | static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, |
| 1355 | enum pipe pipe, u32 val) |
| 1356 | { |
| 1357 | if ((val & LVDS_PORT_EN) == 0) |
| 1358 | return false; |
| 1359 | |
| 1360 | if (HAS_PCH_CPT(dev_priv->dev)) { |
| 1361 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) |
| 1362 | return false; |
| 1363 | } else { |
| 1364 | if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe)) |
| 1365 | return false; |
| 1366 | } |
| 1367 | return true; |
| 1368 | } |
| 1369 | |
| 1370 | static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, |
| 1371 | enum pipe pipe, u32 val) |
| 1372 | { |
| 1373 | if ((val & ADPA_DAC_ENABLE) == 0) |
| 1374 | return false; |
| 1375 | if (HAS_PCH_CPT(dev_priv->dev)) { |
| 1376 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) |
| 1377 | return false; |
| 1378 | } else { |
| 1379 | if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) |
| 1380 | return false; |
| 1381 | } |
| 1382 | return true; |
| 1383 | } |
| 1384 | |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1385 | static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, |
Keith Packard | f0575e9 | 2011-07-25 22:12:43 -0700 | [diff] [blame] | 1386 | enum pipe pipe, int reg, u32 port_sel) |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1387 | { |
Jesse Barnes | 47a05ec | 2011-02-07 13:46:40 -0800 | [diff] [blame] | 1388 | u32 val = I915_READ(reg); |
Keith Packard | 4e63438 | 2011-08-06 10:39:45 -0700 | [diff] [blame] | 1389 | WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val), |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1390 | "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 1391 | reg, pipe_name(pipe)); |
Daniel Vetter | de9a35a | 2012-06-05 11:03:40 +0200 | [diff] [blame] | 1392 | |
Daniel Vetter | 75c5da2 | 2012-09-10 21:58:29 +0200 | [diff] [blame] | 1393 | WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0 |
| 1394 | && (val & DP_PIPEB_SELECT), |
Daniel Vetter | de9a35a | 2012-06-05 11:03:40 +0200 | [diff] [blame] | 1395 | "IBX PCH dp port still using transcoder B\n"); |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1396 | } |
| 1397 | |
| 1398 | static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, |
| 1399 | enum pipe pipe, int reg) |
| 1400 | { |
Jesse Barnes | 47a05ec | 2011-02-07 13:46:40 -0800 | [diff] [blame] | 1401 | u32 val = I915_READ(reg); |
Xu, Anhua | b70ad58 | 2012-08-13 03:08:33 +0000 | [diff] [blame] | 1402 | WARN(hdmi_pipe_enabled(dev_priv, pipe, val), |
Adam Jackson | 23c99e7 | 2011-10-07 14:38:43 -0400 | [diff] [blame] | 1403 | "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 1404 | reg, pipe_name(pipe)); |
Daniel Vetter | de9a35a | 2012-06-05 11:03:40 +0200 | [diff] [blame] | 1405 | |
Daniel Vetter | 75c5da2 | 2012-09-10 21:58:29 +0200 | [diff] [blame] | 1406 | WARN(HAS_PCH_IBX(dev_priv->dev) && (val & PORT_ENABLE) == 0 |
| 1407 | && (val & SDVO_PIPE_B_SELECT), |
Daniel Vetter | de9a35a | 2012-06-05 11:03:40 +0200 | [diff] [blame] | 1408 | "IBX PCH hdmi port still using transcoder B\n"); |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1409 | } |
| 1410 | |
| 1411 | static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, |
| 1412 | enum pipe pipe) |
| 1413 | { |
| 1414 | int reg; |
| 1415 | u32 val; |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1416 | |
Keith Packard | f0575e9 | 2011-07-25 22:12:43 -0700 | [diff] [blame] | 1417 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); |
| 1418 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); |
| 1419 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1420 | |
| 1421 | reg = PCH_ADPA; |
| 1422 | val = I915_READ(reg); |
Xu, Anhua | b70ad58 | 2012-08-13 03:08:33 +0000 | [diff] [blame] | 1423 | WARN(adpa_pipe_enabled(dev_priv, pipe, val), |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1424 | "PCH VGA enabled on transcoder %c, should be disabled\n", |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 1425 | pipe_name(pipe)); |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1426 | |
| 1427 | reg = PCH_LVDS; |
| 1428 | val = I915_READ(reg); |
Xu, Anhua | b70ad58 | 2012-08-13 03:08:33 +0000 | [diff] [blame] | 1429 | WARN(lvds_pipe_enabled(dev_priv, pipe, val), |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1430 | "PCH LVDS enabled on transcoder %c, should be disabled\n", |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 1431 | pipe_name(pipe)); |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1432 | |
| 1433 | assert_pch_hdmi_disabled(dev_priv, pipe, HDMIB); |
| 1434 | assert_pch_hdmi_disabled(dev_priv, pipe, HDMIC); |
| 1435 | assert_pch_hdmi_disabled(dev_priv, pipe, HDMID); |
| 1436 | } |
| 1437 | |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1438 | /** |
Jesse Barnes | 63d7bbe | 2011-01-04 15:09:33 -0800 | [diff] [blame] | 1439 | * intel_enable_pll - enable a PLL |
| 1440 | * @dev_priv: i915 private structure |
| 1441 | * @pipe: pipe PLL to enable |
| 1442 | * |
| 1443 | * Enable @pipe's PLL so we can start pumping pixels from a plane. Check to |
| 1444 | * make sure the PLL reg is writable first though, since the panel write |
| 1445 | * protect mechanism may be enabled. |
| 1446 | * |
| 1447 | * Note! This is for pre-ILK only. |
Thomas Richter | 7434a25 | 2012-07-18 19:22:30 +0200 | [diff] [blame] | 1448 | * |
| 1449 | * Unfortunately needed by dvo_ns2501 since the dvo depends on it running. |
Jesse Barnes | 63d7bbe | 2011-01-04 15:09:33 -0800 | [diff] [blame] | 1450 | */ |
| 1451 | static void intel_enable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
| 1452 | { |
| 1453 | int reg; |
| 1454 | u32 val; |
| 1455 | |
| 1456 | /* No really, not for ILK+ */ |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 1457 | BUG_ON(!IS_VALLEYVIEW(dev_priv->dev) && dev_priv->info->gen >= 5); |
Jesse Barnes | 63d7bbe | 2011-01-04 15:09:33 -0800 | [diff] [blame] | 1458 | |
| 1459 | /* PLL is protected by panel, make sure we can write it */ |
| 1460 | if (IS_MOBILE(dev_priv->dev) && !IS_I830(dev_priv->dev)) |
| 1461 | assert_panel_unlocked(dev_priv, pipe); |
| 1462 | |
| 1463 | reg = DPLL(pipe); |
| 1464 | val = I915_READ(reg); |
| 1465 | val |= DPLL_VCO_ENABLE; |
| 1466 | |
| 1467 | /* We do this three times for luck */ |
| 1468 | I915_WRITE(reg, val); |
| 1469 | POSTING_READ(reg); |
| 1470 | udelay(150); /* wait for warmup */ |
| 1471 | I915_WRITE(reg, val); |
| 1472 | POSTING_READ(reg); |
| 1473 | udelay(150); /* wait for warmup */ |
| 1474 | I915_WRITE(reg, val); |
| 1475 | POSTING_READ(reg); |
| 1476 | udelay(150); /* wait for warmup */ |
| 1477 | } |
| 1478 | |
| 1479 | /** |
| 1480 | * intel_disable_pll - disable a PLL |
| 1481 | * @dev_priv: i915 private structure |
| 1482 | * @pipe: pipe PLL to disable |
| 1483 | * |
| 1484 | * Disable the PLL for @pipe, making sure the pipe is off first. |
| 1485 | * |
| 1486 | * Note! This is for pre-ILK only. |
| 1487 | */ |
| 1488 | static void intel_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
| 1489 | { |
| 1490 | int reg; |
| 1491 | u32 val; |
| 1492 | |
| 1493 | /* Don't disable pipe A or pipe A PLLs if needed */ |
| 1494 | if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE)) |
| 1495 | return; |
| 1496 | |
| 1497 | /* Make sure the pipe isn't still relying on us */ |
| 1498 | assert_pipe_disabled(dev_priv, pipe); |
| 1499 | |
| 1500 | reg = DPLL(pipe); |
| 1501 | val = I915_READ(reg); |
| 1502 | val &= ~DPLL_VCO_ENABLE; |
| 1503 | I915_WRITE(reg, val); |
| 1504 | POSTING_READ(reg); |
| 1505 | } |
| 1506 | |
Eugeni Dodonov | a416ede | 2012-05-09 15:37:10 -0300 | [diff] [blame] | 1507 | /* SBI access */ |
| 1508 | static void |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 1509 | intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value, |
| 1510 | enum intel_sbi_destination destination) |
Eugeni Dodonov | a416ede | 2012-05-09 15:37:10 -0300 | [diff] [blame] | 1511 | { |
| 1512 | unsigned long flags; |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 1513 | u32 tmp; |
Eugeni Dodonov | a416ede | 2012-05-09 15:37:10 -0300 | [diff] [blame] | 1514 | |
| 1515 | spin_lock_irqsave(&dev_priv->dpio_lock, flags); |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 1516 | if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0, 100)) { |
Eugeni Dodonov | a416ede | 2012-05-09 15:37:10 -0300 | [diff] [blame] | 1517 | DRM_ERROR("timeout waiting for SBI to become ready\n"); |
| 1518 | goto out_unlock; |
| 1519 | } |
| 1520 | |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 1521 | I915_WRITE(SBI_ADDR, (reg << 16)); |
| 1522 | I915_WRITE(SBI_DATA, value); |
| 1523 | |
| 1524 | if (destination == SBI_ICLK) |
| 1525 | tmp = SBI_CTL_DEST_ICLK | SBI_CTL_OP_CRWR; |
| 1526 | else |
| 1527 | tmp = SBI_CTL_DEST_MPHY | SBI_CTL_OP_IOWR; |
| 1528 | I915_WRITE(SBI_CTL_STAT, SBI_BUSY | tmp); |
Eugeni Dodonov | a416ede | 2012-05-09 15:37:10 -0300 | [diff] [blame] | 1529 | |
Eugeni Dodonov | 39fb50f | 2012-06-08 16:43:19 -0300 | [diff] [blame] | 1530 | if (wait_for((I915_READ(SBI_CTL_STAT) & (SBI_BUSY | SBI_RESPONSE_FAIL)) == 0, |
Eugeni Dodonov | a416ede | 2012-05-09 15:37:10 -0300 | [diff] [blame] | 1531 | 100)) { |
| 1532 | DRM_ERROR("timeout waiting for SBI to complete write transaction\n"); |
| 1533 | goto out_unlock; |
| 1534 | } |
| 1535 | |
| 1536 | out_unlock: |
| 1537 | spin_unlock_irqrestore(&dev_priv->dpio_lock, flags); |
| 1538 | } |
| 1539 | |
| 1540 | static u32 |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 1541 | intel_sbi_read(struct drm_i915_private *dev_priv, u16 reg, |
| 1542 | enum intel_sbi_destination destination) |
Eugeni Dodonov | a416ede | 2012-05-09 15:37:10 -0300 | [diff] [blame] | 1543 | { |
| 1544 | unsigned long flags; |
Eugeni Dodonov | 39fb50f | 2012-06-08 16:43:19 -0300 | [diff] [blame] | 1545 | u32 value = 0; |
Eugeni Dodonov | a416ede | 2012-05-09 15:37:10 -0300 | [diff] [blame] | 1546 | |
| 1547 | spin_lock_irqsave(&dev_priv->dpio_lock, flags); |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 1548 | if (wait_for((I915_READ(SBI_CTL_STAT) & SBI_BUSY) == 0, 100)) { |
Eugeni Dodonov | a416ede | 2012-05-09 15:37:10 -0300 | [diff] [blame] | 1549 | DRM_ERROR("timeout waiting for SBI to become ready\n"); |
| 1550 | goto out_unlock; |
| 1551 | } |
| 1552 | |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 1553 | I915_WRITE(SBI_ADDR, (reg << 16)); |
| 1554 | |
| 1555 | if (destination == SBI_ICLK) |
| 1556 | value = SBI_CTL_DEST_ICLK | SBI_CTL_OP_CRRD; |
| 1557 | else |
| 1558 | value = SBI_CTL_DEST_MPHY | SBI_CTL_OP_IORD; |
| 1559 | I915_WRITE(SBI_CTL_STAT, value | SBI_BUSY); |
Eugeni Dodonov | a416ede | 2012-05-09 15:37:10 -0300 | [diff] [blame] | 1560 | |
Eugeni Dodonov | 39fb50f | 2012-06-08 16:43:19 -0300 | [diff] [blame] | 1561 | if (wait_for((I915_READ(SBI_CTL_STAT) & (SBI_BUSY | SBI_RESPONSE_FAIL)) == 0, |
Eugeni Dodonov | a416ede | 2012-05-09 15:37:10 -0300 | [diff] [blame] | 1562 | 100)) { |
| 1563 | DRM_ERROR("timeout waiting for SBI to complete read transaction\n"); |
| 1564 | goto out_unlock; |
| 1565 | } |
| 1566 | |
| 1567 | value = I915_READ(SBI_DATA); |
| 1568 | |
| 1569 | out_unlock: |
| 1570 | spin_unlock_irqrestore(&dev_priv->dpio_lock, flags); |
| 1571 | return value; |
| 1572 | } |
| 1573 | |
Jesse Barnes | 63d7bbe | 2011-01-04 15:09:33 -0800 | [diff] [blame] | 1574 | /** |
Paulo Zanoni | b6b4e18 | 2012-10-31 18:12:38 -0200 | [diff] [blame] | 1575 | * ironlake_enable_pch_pll - enable PCH PLL |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1576 | * @dev_priv: i915 private structure |
| 1577 | * @pipe: pipe PLL to enable |
| 1578 | * |
| 1579 | * The PCH PLL needs to be enabled before the PCH transcoder, since it |
| 1580 | * drives the transcoder clock. |
| 1581 | */ |
Paulo Zanoni | b6b4e18 | 2012-10-31 18:12:38 -0200 | [diff] [blame] | 1582 | static void ironlake_enable_pch_pll(struct intel_crtc *intel_crtc) |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1583 | { |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1584 | struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private; |
Chris Wilson | 48da64a | 2012-05-13 20:16:12 +0100 | [diff] [blame] | 1585 | struct intel_pch_pll *pll; |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1586 | int reg; |
| 1587 | u32 val; |
| 1588 | |
Chris Wilson | 48da64a | 2012-05-13 20:16:12 +0100 | [diff] [blame] | 1589 | /* PCH PLLs only available on ILK, SNB and IVB */ |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1590 | BUG_ON(dev_priv->info->gen < 5); |
Chris Wilson | 48da64a | 2012-05-13 20:16:12 +0100 | [diff] [blame] | 1591 | pll = intel_crtc->pch_pll; |
| 1592 | if (pll == NULL) |
| 1593 | return; |
| 1594 | |
| 1595 | if (WARN_ON(pll->refcount == 0)) |
| 1596 | return; |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1597 | |
| 1598 | DRM_DEBUG_KMS("enable PCH PLL %x (active %d, on? %d)for crtc %d\n", |
| 1599 | pll->pll_reg, pll->active, pll->on, |
| 1600 | intel_crtc->base.base.id); |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1601 | |
| 1602 | /* PCH refclock must be enabled first */ |
| 1603 | assert_pch_refclk_enabled(dev_priv); |
| 1604 | |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1605 | if (pll->active++ && pll->on) { |
Chris Wilson | 92b27b0 | 2012-05-20 18:10:50 +0100 | [diff] [blame] | 1606 | assert_pch_pll_enabled(dev_priv, pll, NULL); |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1607 | return; |
| 1608 | } |
| 1609 | |
| 1610 | DRM_DEBUG_KMS("enabling PCH PLL %x\n", pll->pll_reg); |
| 1611 | |
| 1612 | reg = pll->pll_reg; |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1613 | val = I915_READ(reg); |
| 1614 | val |= DPLL_VCO_ENABLE; |
| 1615 | I915_WRITE(reg, val); |
| 1616 | POSTING_READ(reg); |
| 1617 | udelay(200); |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1618 | |
| 1619 | pll->on = true; |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1620 | } |
| 1621 | |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1622 | static void intel_disable_pch_pll(struct intel_crtc *intel_crtc) |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1623 | { |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1624 | struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private; |
| 1625 | struct intel_pch_pll *pll = intel_crtc->pch_pll; |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1626 | int reg; |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1627 | u32 val; |
Jesse Barnes | 4c609cb | 2011-09-02 12:52:11 -0700 | [diff] [blame] | 1628 | |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1629 | /* PCH only available on ILK+ */ |
| 1630 | BUG_ON(dev_priv->info->gen < 5); |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1631 | if (pll == NULL) |
| 1632 | return; |
| 1633 | |
Chris Wilson | 48da64a | 2012-05-13 20:16:12 +0100 | [diff] [blame] | 1634 | if (WARN_ON(pll->refcount == 0)) |
| 1635 | return; |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1636 | |
| 1637 | DRM_DEBUG_KMS("disable PCH PLL %x (active %d, on? %d) for crtc %d\n", |
| 1638 | pll->pll_reg, pll->active, pll->on, |
| 1639 | intel_crtc->base.base.id); |
| 1640 | |
Chris Wilson | 48da64a | 2012-05-13 20:16:12 +0100 | [diff] [blame] | 1641 | if (WARN_ON(pll->active == 0)) { |
Chris Wilson | 92b27b0 | 2012-05-20 18:10:50 +0100 | [diff] [blame] | 1642 | assert_pch_pll_disabled(dev_priv, pll, NULL); |
Chris Wilson | 48da64a | 2012-05-13 20:16:12 +0100 | [diff] [blame] | 1643 | return; |
| 1644 | } |
| 1645 | |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1646 | if (--pll->active) { |
Chris Wilson | 92b27b0 | 2012-05-20 18:10:50 +0100 | [diff] [blame] | 1647 | assert_pch_pll_enabled(dev_priv, pll, NULL); |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1648 | return; |
| 1649 | } |
| 1650 | |
| 1651 | DRM_DEBUG_KMS("disabling PCH PLL %x\n", pll->pll_reg); |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1652 | |
| 1653 | /* Make sure transcoder isn't still depending on us */ |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1654 | assert_transcoder_disabled(dev_priv, intel_crtc->pipe); |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1655 | |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1656 | reg = pll->pll_reg; |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1657 | val = I915_READ(reg); |
| 1658 | val &= ~DPLL_VCO_ENABLE; |
| 1659 | I915_WRITE(reg, val); |
| 1660 | POSTING_READ(reg); |
| 1661 | udelay(200); |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 1662 | |
| 1663 | pll->on = false; |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1664 | } |
| 1665 | |
Paulo Zanoni | b8a4f40 | 2012-10-31 18:12:42 -0200 | [diff] [blame] | 1666 | static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
| 1667 | enum pipe pipe) |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1668 | { |
Daniel Vetter | 23670b32 | 2012-11-01 09:15:30 +0100 | [diff] [blame] | 1669 | struct drm_device *dev = dev_priv->dev; |
Paulo Zanoni | 7c26e5c | 2012-02-14 17:07:09 -0200 | [diff] [blame] | 1670 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
Daniel Vetter | 23670b32 | 2012-11-01 09:15:30 +0100 | [diff] [blame] | 1671 | uint32_t reg, val, pipeconf_val; |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1672 | |
| 1673 | /* PCH only available on ILK+ */ |
| 1674 | BUG_ON(dev_priv->info->gen < 5); |
| 1675 | |
| 1676 | /* Make sure PCH DPLL is enabled */ |
Chris Wilson | 92b27b0 | 2012-05-20 18:10:50 +0100 | [diff] [blame] | 1677 | assert_pch_pll_enabled(dev_priv, |
| 1678 | to_intel_crtc(crtc)->pch_pll, |
| 1679 | to_intel_crtc(crtc)); |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1680 | |
| 1681 | /* FDI must be feeding us bits for PCH ports */ |
| 1682 | assert_fdi_tx_enabled(dev_priv, pipe); |
| 1683 | assert_fdi_rx_enabled(dev_priv, pipe); |
| 1684 | |
Daniel Vetter | 23670b32 | 2012-11-01 09:15:30 +0100 | [diff] [blame] | 1685 | if (HAS_PCH_CPT(dev)) { |
| 1686 | /* Workaround: Set the timing override bit before enabling the |
| 1687 | * pch transcoder. */ |
| 1688 | reg = TRANS_CHICKEN2(pipe); |
| 1689 | val = I915_READ(reg); |
| 1690 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
| 1691 | I915_WRITE(reg, val); |
Eugeni Dodonov | 59c859d | 2012-05-09 15:37:19 -0300 | [diff] [blame] | 1692 | } |
Daniel Vetter | 23670b32 | 2012-11-01 09:15:30 +0100 | [diff] [blame] | 1693 | |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1694 | reg = TRANSCONF(pipe); |
| 1695 | val = I915_READ(reg); |
Paulo Zanoni | 5f7f726 | 2012-02-03 17:47:15 -0200 | [diff] [blame] | 1696 | pipeconf_val = I915_READ(PIPECONF(pipe)); |
Jesse Barnes | e9bcff5 | 2011-06-24 12:19:20 -0700 | [diff] [blame] | 1697 | |
| 1698 | if (HAS_PCH_IBX(dev_priv->dev)) { |
| 1699 | /* |
| 1700 | * make the BPC in transcoder be consistent with |
| 1701 | * that in pipeconf reg. |
| 1702 | */ |
| 1703 | val &= ~PIPE_BPC_MASK; |
Paulo Zanoni | 5f7f726 | 2012-02-03 17:47:15 -0200 | [diff] [blame] | 1704 | val |= pipeconf_val & PIPE_BPC_MASK; |
Jesse Barnes | e9bcff5 | 2011-06-24 12:19:20 -0700 | [diff] [blame] | 1705 | } |
Paulo Zanoni | 5f7f726 | 2012-02-03 17:47:15 -0200 | [diff] [blame] | 1706 | |
| 1707 | val &= ~TRANS_INTERLACE_MASK; |
| 1708 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) |
Paulo Zanoni | 7c26e5c | 2012-02-14 17:07:09 -0200 | [diff] [blame] | 1709 | if (HAS_PCH_IBX(dev_priv->dev) && |
| 1710 | intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) |
| 1711 | val |= TRANS_LEGACY_INTERLACED_ILK; |
| 1712 | else |
| 1713 | val |= TRANS_INTERLACED; |
Paulo Zanoni | 5f7f726 | 2012-02-03 17:47:15 -0200 | [diff] [blame] | 1714 | else |
| 1715 | val |= TRANS_PROGRESSIVE; |
| 1716 | |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1717 | I915_WRITE(reg, val | TRANS_ENABLE); |
| 1718 | if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) |
| 1719 | DRM_ERROR("failed to enable transcoder %d\n", pipe); |
| 1720 | } |
| 1721 | |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1722 | static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
Paulo Zanoni | 937bb61 | 2012-10-31 18:12:47 -0200 | [diff] [blame] | 1723 | enum transcoder cpu_transcoder) |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1724 | { |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1725 | u32 val, pipeconf_val; |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1726 | |
| 1727 | /* PCH only available on ILK+ */ |
| 1728 | BUG_ON(dev_priv->info->gen < 5); |
| 1729 | |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1730 | /* FDI must be feeding us bits for PCH ports */ |
Paulo Zanoni | 937bb61 | 2012-10-31 18:12:47 -0200 | [diff] [blame] | 1731 | assert_fdi_tx_enabled(dev_priv, cpu_transcoder); |
| 1732 | assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1733 | |
Paulo Zanoni | 223a6fd | 2012-10-31 18:12:52 -0200 | [diff] [blame] | 1734 | /* Workaround: set timing override bit. */ |
| 1735 | val = I915_READ(_TRANSA_CHICKEN2); |
Daniel Vetter | 23670b32 | 2012-11-01 09:15:30 +0100 | [diff] [blame] | 1736 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
Paulo Zanoni | 223a6fd | 2012-10-31 18:12:52 -0200 | [diff] [blame] | 1737 | I915_WRITE(_TRANSA_CHICKEN2, val); |
| 1738 | |
Paulo Zanoni | 25f3ef1 | 2012-10-31 18:12:49 -0200 | [diff] [blame] | 1739 | val = TRANS_ENABLE; |
Paulo Zanoni | 937bb61 | 2012-10-31 18:12:47 -0200 | [diff] [blame] | 1740 | pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1741 | |
Paulo Zanoni | 9a76b1c | 2012-10-31 18:12:48 -0200 | [diff] [blame] | 1742 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == |
| 1743 | PIPECONF_INTERLACED_ILK) |
Paulo Zanoni | a35f267 | 2012-10-31 18:12:45 -0200 | [diff] [blame] | 1744 | val |= TRANS_INTERLACED; |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1745 | else |
| 1746 | val |= TRANS_PROGRESSIVE; |
| 1747 | |
Paulo Zanoni | 25f3ef1 | 2012-10-31 18:12:49 -0200 | [diff] [blame] | 1748 | I915_WRITE(TRANSCONF(TRANSCODER_A), val); |
Paulo Zanoni | 937bb61 | 2012-10-31 18:12:47 -0200 | [diff] [blame] | 1749 | if (wait_for(I915_READ(_TRANSACONF) & TRANS_STATE_ENABLE, 100)) |
| 1750 | DRM_ERROR("Failed to enable PCH transcoder\n"); |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1751 | } |
| 1752 | |
Paulo Zanoni | b8a4f40 | 2012-10-31 18:12:42 -0200 | [diff] [blame] | 1753 | static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, |
| 1754 | enum pipe pipe) |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1755 | { |
Daniel Vetter | 23670b32 | 2012-11-01 09:15:30 +0100 | [diff] [blame] | 1756 | struct drm_device *dev = dev_priv->dev; |
| 1757 | uint32_t reg, val; |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1758 | |
| 1759 | /* FDI relies on the transcoder */ |
| 1760 | assert_fdi_tx_disabled(dev_priv, pipe); |
| 1761 | assert_fdi_rx_disabled(dev_priv, pipe); |
| 1762 | |
Jesse Barnes | 291906f | 2011-02-02 12:28:03 -0800 | [diff] [blame] | 1763 | /* Ports must be off as well */ |
| 1764 | assert_pch_ports_disabled(dev_priv, pipe); |
| 1765 | |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1766 | reg = TRANSCONF(pipe); |
| 1767 | val = I915_READ(reg); |
| 1768 | val &= ~TRANS_ENABLE; |
| 1769 | I915_WRITE(reg, val); |
| 1770 | /* wait for PCH transcoder off, transcoder state */ |
| 1771 | if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50)) |
Jesse Barnes | 4c9c18c | 2011-10-13 09:46:32 -0700 | [diff] [blame] | 1772 | DRM_ERROR("failed to disable transcoder %d\n", pipe); |
Daniel Vetter | 23670b32 | 2012-11-01 09:15:30 +0100 | [diff] [blame] | 1773 | |
| 1774 | if (!HAS_PCH_IBX(dev)) { |
| 1775 | /* Workaround: Clear the timing override chicken bit again. */ |
| 1776 | reg = TRANS_CHICKEN2(pipe); |
| 1777 | val = I915_READ(reg); |
| 1778 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
| 1779 | I915_WRITE(reg, val); |
| 1780 | } |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1781 | } |
| 1782 | |
Paulo Zanoni | ab4d966 | 2012-10-31 18:12:55 -0200 | [diff] [blame] | 1783 | static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1784 | { |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1785 | u32 val; |
| 1786 | |
Paulo Zanoni | 8a52fd9 | 2012-10-31 18:12:51 -0200 | [diff] [blame] | 1787 | val = I915_READ(_TRANSACONF); |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1788 | val &= ~TRANS_ENABLE; |
Paulo Zanoni | 8a52fd9 | 2012-10-31 18:12:51 -0200 | [diff] [blame] | 1789 | I915_WRITE(_TRANSACONF, val); |
Paulo Zanoni | 8fb033d | 2012-10-31 18:12:43 -0200 | [diff] [blame] | 1790 | /* wait for PCH transcoder off, transcoder state */ |
Paulo Zanoni | 8a52fd9 | 2012-10-31 18:12:51 -0200 | [diff] [blame] | 1791 | if (wait_for((I915_READ(_TRANSACONF) & TRANS_STATE_ENABLE) == 0, 50)) |
| 1792 | DRM_ERROR("Failed to disable PCH transcoder\n"); |
Paulo Zanoni | 223a6fd | 2012-10-31 18:12:52 -0200 | [diff] [blame] | 1793 | |
| 1794 | /* Workaround: clear timing override bit. */ |
| 1795 | val = I915_READ(_TRANSA_CHICKEN2); |
Daniel Vetter | 23670b32 | 2012-11-01 09:15:30 +0100 | [diff] [blame] | 1796 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
Paulo Zanoni | 223a6fd | 2012-10-31 18:12:52 -0200 | [diff] [blame] | 1797 | I915_WRITE(_TRANSA_CHICKEN2, val); |
Jesse Barnes | 92f2584 | 2011-01-04 15:09:34 -0800 | [diff] [blame] | 1798 | } |
| 1799 | |
| 1800 | /** |
Chris Wilson | 309cfea | 2011-01-28 13:54:53 +0000 | [diff] [blame] | 1801 | * intel_enable_pipe - enable a pipe, asserting requirements |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1802 | * @dev_priv: i915 private structure |
| 1803 | * @pipe: pipe to enable |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1804 | * @pch_port: on ILK+, is this pipe driving a PCH port or not |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1805 | * |
| 1806 | * Enable @pipe, making sure that various hardware specific requirements |
| 1807 | * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc. |
| 1808 | * |
| 1809 | * @pipe should be %PIPE_A or %PIPE_B. |
| 1810 | * |
| 1811 | * Will wait until the pipe is actually running (i.e. first vblank) before |
| 1812 | * returning. |
| 1813 | */ |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1814 | static void intel_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, |
| 1815 | bool pch_port) |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1816 | { |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 1817 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
| 1818 | pipe); |
Paulo Zanoni | cc391bb | 2012-11-20 13:27:37 -0200 | [diff] [blame] | 1819 | enum transcoder pch_transcoder; |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1820 | int reg; |
| 1821 | u32 val; |
| 1822 | |
Paulo Zanoni | cc391bb | 2012-11-20 13:27:37 -0200 | [diff] [blame] | 1823 | if (IS_HASWELL(dev_priv->dev)) |
| 1824 | pch_transcoder = TRANSCODER_A; |
| 1825 | else |
| 1826 | pch_transcoder = pipe; |
| 1827 | |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1828 | /* |
| 1829 | * A pipe without a PLL won't actually be able to drive bits from |
| 1830 | * a plane. On ILK+ the pipe PLLs are integrated, so we don't |
| 1831 | * need the check. |
| 1832 | */ |
| 1833 | if (!HAS_PCH_SPLIT(dev_priv->dev)) |
| 1834 | assert_pll_enabled(dev_priv, pipe); |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1835 | else { |
| 1836 | if (pch_port) { |
| 1837 | /* if driving the PCH, we need FDI enabled */ |
Paulo Zanoni | cc391bb | 2012-11-20 13:27:37 -0200 | [diff] [blame] | 1838 | assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); |
| 1839 | assert_fdi_tx_pll_enabled(dev_priv, cpu_transcoder); |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 1840 | } |
| 1841 | /* FIXME: assert CPU port conditions for SNB+ */ |
| 1842 | } |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1843 | |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 1844 | reg = PIPECONF(cpu_transcoder); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1845 | val = I915_READ(reg); |
Chris Wilson | 00d70b1 | 2011-03-17 07:18:29 +0000 | [diff] [blame] | 1846 | if (val & PIPECONF_ENABLE) |
| 1847 | return; |
| 1848 | |
| 1849 | I915_WRITE(reg, val | PIPECONF_ENABLE); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1850 | intel_wait_for_vblank(dev_priv->dev, pipe); |
| 1851 | } |
| 1852 | |
| 1853 | /** |
Chris Wilson | 309cfea | 2011-01-28 13:54:53 +0000 | [diff] [blame] | 1854 | * intel_disable_pipe - disable a pipe, asserting requirements |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1855 | * @dev_priv: i915 private structure |
| 1856 | * @pipe: pipe to disable |
| 1857 | * |
| 1858 | * Disable @pipe, making sure that various hardware specific requirements |
| 1859 | * are met, if applicable, e.g. plane disabled, panel fitter off, etc. |
| 1860 | * |
| 1861 | * @pipe should be %PIPE_A or %PIPE_B. |
| 1862 | * |
| 1863 | * Will wait until the pipe has shut down before returning. |
| 1864 | */ |
| 1865 | static void intel_disable_pipe(struct drm_i915_private *dev_priv, |
| 1866 | enum pipe pipe) |
| 1867 | { |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 1868 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
| 1869 | pipe); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1870 | int reg; |
| 1871 | u32 val; |
| 1872 | |
| 1873 | /* |
| 1874 | * Make sure planes won't keep trying to pump pixels to us, |
| 1875 | * or we might hang the display. |
| 1876 | */ |
| 1877 | assert_planes_disabled(dev_priv, pipe); |
| 1878 | |
| 1879 | /* Don't disable pipe A or pipe A PLLs if needed */ |
| 1880 | if (pipe == PIPE_A && (dev_priv->quirks & QUIRK_PIPEA_FORCE)) |
| 1881 | return; |
| 1882 | |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 1883 | reg = PIPECONF(cpu_transcoder); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1884 | val = I915_READ(reg); |
Chris Wilson | 00d70b1 | 2011-03-17 07:18:29 +0000 | [diff] [blame] | 1885 | if ((val & PIPECONF_ENABLE) == 0) |
| 1886 | return; |
| 1887 | |
| 1888 | I915_WRITE(reg, val & ~PIPECONF_ENABLE); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1889 | intel_wait_for_pipe_off(dev_priv->dev, pipe); |
| 1890 | } |
| 1891 | |
Keith Packard | d74362c | 2011-07-28 14:47:14 -0700 | [diff] [blame] | 1892 | /* |
| 1893 | * Plane regs are double buffered, going from enabled->disabled needs a |
| 1894 | * trigger in order to latch. The display address reg provides this. |
| 1895 | */ |
Eugeni Dodonov | 6f1d69b | 2012-04-18 15:29:25 -0300 | [diff] [blame] | 1896 | void intel_flush_display_plane(struct drm_i915_private *dev_priv, |
Keith Packard | d74362c | 2011-07-28 14:47:14 -0700 | [diff] [blame] | 1897 | enum plane plane) |
| 1898 | { |
Damien Lespiau | 14f8614 | 2012-10-29 15:24:49 +0000 | [diff] [blame] | 1899 | if (dev_priv->info->gen >= 4) |
| 1900 | I915_WRITE(DSPSURF(plane), I915_READ(DSPSURF(plane))); |
| 1901 | else |
| 1902 | I915_WRITE(DSPADDR(plane), I915_READ(DSPADDR(plane))); |
Keith Packard | d74362c | 2011-07-28 14:47:14 -0700 | [diff] [blame] | 1903 | } |
| 1904 | |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1905 | /** |
| 1906 | * intel_enable_plane - enable a display plane on a given pipe |
| 1907 | * @dev_priv: i915 private structure |
| 1908 | * @plane: plane to enable |
| 1909 | * @pipe: pipe being fed |
| 1910 | * |
| 1911 | * Enable @plane on @pipe, making sure that @pipe is running first. |
| 1912 | */ |
| 1913 | static void intel_enable_plane(struct drm_i915_private *dev_priv, |
| 1914 | enum plane plane, enum pipe pipe) |
| 1915 | { |
| 1916 | int reg; |
| 1917 | u32 val; |
| 1918 | |
| 1919 | /* If the pipe isn't enabled, we can't pump pixels and may hang */ |
| 1920 | assert_pipe_enabled(dev_priv, pipe); |
| 1921 | |
| 1922 | reg = DSPCNTR(plane); |
| 1923 | val = I915_READ(reg); |
Chris Wilson | 00d70b1 | 2011-03-17 07:18:29 +0000 | [diff] [blame] | 1924 | if (val & DISPLAY_PLANE_ENABLE) |
| 1925 | return; |
| 1926 | |
| 1927 | I915_WRITE(reg, val | DISPLAY_PLANE_ENABLE); |
Keith Packard | d74362c | 2011-07-28 14:47:14 -0700 | [diff] [blame] | 1928 | intel_flush_display_plane(dev_priv, plane); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1929 | intel_wait_for_vblank(dev_priv->dev, pipe); |
| 1930 | } |
| 1931 | |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1932 | /** |
| 1933 | * intel_disable_plane - disable a display plane |
| 1934 | * @dev_priv: i915 private structure |
| 1935 | * @plane: plane to disable |
| 1936 | * @pipe: pipe consuming the data |
| 1937 | * |
| 1938 | * Disable @plane; should be an independent operation. |
| 1939 | */ |
| 1940 | static void intel_disable_plane(struct drm_i915_private *dev_priv, |
| 1941 | enum plane plane, enum pipe pipe) |
| 1942 | { |
| 1943 | int reg; |
| 1944 | u32 val; |
| 1945 | |
| 1946 | reg = DSPCNTR(plane); |
| 1947 | val = I915_READ(reg); |
Chris Wilson | 00d70b1 | 2011-03-17 07:18:29 +0000 | [diff] [blame] | 1948 | if ((val & DISPLAY_PLANE_ENABLE) == 0) |
| 1949 | return; |
| 1950 | |
| 1951 | I915_WRITE(reg, val & ~DISPLAY_PLANE_ENABLE); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 1952 | intel_flush_display_plane(dev_priv, plane); |
| 1953 | intel_wait_for_vblank(dev_priv->dev, pipe); |
| 1954 | } |
| 1955 | |
Chris Wilson | 127bd2a | 2010-07-23 23:32:05 +0100 | [diff] [blame] | 1956 | int |
Chris Wilson | 48b956c | 2010-09-14 12:50:34 +0100 | [diff] [blame] | 1957 | intel_pin_and_fence_fb_obj(struct drm_device *dev, |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 1958 | struct drm_i915_gem_object *obj, |
Chris Wilson | 919926a | 2010-11-12 13:42:53 +0000 | [diff] [blame] | 1959 | struct intel_ring_buffer *pipelined) |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 1960 | { |
Chris Wilson | ce453d8 | 2011-02-21 14:43:56 +0000 | [diff] [blame] | 1961 | struct drm_i915_private *dev_priv = dev->dev_private; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 1962 | u32 alignment; |
| 1963 | int ret; |
| 1964 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 1965 | switch (obj->tiling_mode) { |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 1966 | case I915_TILING_NONE: |
Chris Wilson | 534843d | 2010-07-05 18:01:46 +0100 | [diff] [blame] | 1967 | if (IS_BROADWATER(dev) || IS_CRESTLINE(dev)) |
| 1968 | alignment = 128 * 1024; |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 1969 | else if (INTEL_INFO(dev)->gen >= 4) |
Chris Wilson | 534843d | 2010-07-05 18:01:46 +0100 | [diff] [blame] | 1970 | alignment = 4 * 1024; |
| 1971 | else |
| 1972 | alignment = 64 * 1024; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 1973 | break; |
| 1974 | case I915_TILING_X: |
| 1975 | /* pin() will align the object as required by fence */ |
| 1976 | alignment = 0; |
| 1977 | break; |
| 1978 | case I915_TILING_Y: |
| 1979 | /* FIXME: Is this true? */ |
| 1980 | DRM_ERROR("Y tiled not allowed for scan out buffers\n"); |
| 1981 | return -EINVAL; |
| 1982 | default: |
| 1983 | BUG(); |
| 1984 | } |
| 1985 | |
Chris Wilson | ce453d8 | 2011-02-21 14:43:56 +0000 | [diff] [blame] | 1986 | dev_priv->mm.interruptible = false; |
Chris Wilson | 2da3b9b | 2011-04-14 09:41:17 +0100 | [diff] [blame] | 1987 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined); |
Chris Wilson | 48b956c | 2010-09-14 12:50:34 +0100 | [diff] [blame] | 1988 | if (ret) |
Chris Wilson | ce453d8 | 2011-02-21 14:43:56 +0000 | [diff] [blame] | 1989 | goto err_interruptible; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 1990 | |
| 1991 | /* Install a fence for tiled scan-out. Pre-i965 always needs a |
| 1992 | * fence, whereas 965+ only requires a fence if using |
| 1993 | * framebuffer compression. For simplicity, we always install |
| 1994 | * a fence as the cost is not that onerous. |
| 1995 | */ |
Chris Wilson | 06d9813 | 2012-04-17 15:31:24 +0100 | [diff] [blame] | 1996 | ret = i915_gem_object_get_fence(obj); |
Chris Wilson | 9a5a53b | 2012-03-22 15:10:00 +0000 | [diff] [blame] | 1997 | if (ret) |
| 1998 | goto err_unpin; |
Chris Wilson | 1690e1e | 2011-12-14 13:57:08 +0100 | [diff] [blame] | 1999 | |
Chris Wilson | 9a5a53b | 2012-03-22 15:10:00 +0000 | [diff] [blame] | 2000 | i915_gem_object_pin_fence(obj); |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 2001 | |
Chris Wilson | ce453d8 | 2011-02-21 14:43:56 +0000 | [diff] [blame] | 2002 | dev_priv->mm.interruptible = true; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 2003 | return 0; |
Chris Wilson | 48b956c | 2010-09-14 12:50:34 +0100 | [diff] [blame] | 2004 | |
| 2005 | err_unpin: |
| 2006 | i915_gem_object_unpin(obj); |
Chris Wilson | ce453d8 | 2011-02-21 14:43:56 +0000 | [diff] [blame] | 2007 | err_interruptible: |
| 2008 | dev_priv->mm.interruptible = true; |
Chris Wilson | 48b956c | 2010-09-14 12:50:34 +0100 | [diff] [blame] | 2009 | return ret; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 2010 | } |
| 2011 | |
Chris Wilson | 1690e1e | 2011-12-14 13:57:08 +0100 | [diff] [blame] | 2012 | void intel_unpin_fb_obj(struct drm_i915_gem_object *obj) |
| 2013 | { |
| 2014 | i915_gem_object_unpin_fence(obj); |
| 2015 | i915_gem_object_unpin(obj); |
| 2016 | } |
| 2017 | |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 2018 | /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel |
| 2019 | * is assumed to be a power-of-two. */ |
Damien Lespiau | 5a35e99 | 2012-10-26 18:20:12 +0100 | [diff] [blame] | 2020 | unsigned long intel_gen4_compute_offset_xtiled(int *x, int *y, |
| 2021 | unsigned int bpp, |
| 2022 | unsigned int pitch) |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 2023 | { |
| 2024 | int tile_rows, tiles; |
| 2025 | |
| 2026 | tile_rows = *y / 8; |
| 2027 | *y %= 8; |
| 2028 | tiles = *x / (512/bpp); |
| 2029 | *x %= 512/bpp; |
| 2030 | |
| 2031 | return tile_rows * pitch * 8 + tiles * 4096; |
| 2032 | } |
| 2033 | |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 2034 | static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb, |
| 2035 | int x, int y) |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2036 | { |
| 2037 | struct drm_device *dev = crtc->dev; |
| 2038 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2039 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 2040 | struct intel_framebuffer *intel_fb; |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 2041 | struct drm_i915_gem_object *obj; |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2042 | int plane = intel_crtc->plane; |
Daniel Vetter | e506a0c | 2012-07-05 12:17:29 +0200 | [diff] [blame] | 2043 | unsigned long linear_offset; |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2044 | u32 dspcntr; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2045 | u32 reg; |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2046 | |
| 2047 | switch (plane) { |
| 2048 | case 0: |
| 2049 | case 1: |
| 2050 | break; |
| 2051 | default: |
| 2052 | DRM_ERROR("Can't update plane %d in SAREA\n", plane); |
| 2053 | return -EINVAL; |
| 2054 | } |
| 2055 | |
| 2056 | intel_fb = to_intel_framebuffer(fb); |
| 2057 | obj = intel_fb->obj; |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2058 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2059 | reg = DSPCNTR(plane); |
| 2060 | dspcntr = I915_READ(reg); |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2061 | /* Mask out pixel format bits in case we change it */ |
| 2062 | dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 2063 | switch (fb->pixel_format) { |
| 2064 | case DRM_FORMAT_C8: |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2065 | dspcntr |= DISPPLANE_8BPP; |
| 2066 | break; |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 2067 | case DRM_FORMAT_XRGB1555: |
| 2068 | case DRM_FORMAT_ARGB1555: |
| 2069 | dspcntr |= DISPPLANE_BGRX555; |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2070 | break; |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 2071 | case DRM_FORMAT_RGB565: |
| 2072 | dspcntr |= DISPPLANE_BGRX565; |
| 2073 | break; |
| 2074 | case DRM_FORMAT_XRGB8888: |
| 2075 | case DRM_FORMAT_ARGB8888: |
| 2076 | dspcntr |= DISPPLANE_BGRX888; |
| 2077 | break; |
| 2078 | case DRM_FORMAT_XBGR8888: |
| 2079 | case DRM_FORMAT_ABGR8888: |
| 2080 | dspcntr |= DISPPLANE_RGBX888; |
| 2081 | break; |
| 2082 | case DRM_FORMAT_XRGB2101010: |
| 2083 | case DRM_FORMAT_ARGB2101010: |
| 2084 | dspcntr |= DISPPLANE_BGRX101010; |
| 2085 | break; |
| 2086 | case DRM_FORMAT_XBGR2101010: |
| 2087 | case DRM_FORMAT_ABGR2101010: |
| 2088 | dspcntr |= DISPPLANE_RGBX101010; |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2089 | break; |
| 2090 | default: |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 2091 | DRM_ERROR("Unknown pixel format 0x%08x\n", fb->pixel_format); |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2092 | return -EINVAL; |
| 2093 | } |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 2094 | |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 2095 | if (INTEL_INFO(dev)->gen >= 4) { |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 2096 | if (obj->tiling_mode != I915_TILING_NONE) |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2097 | dspcntr |= DISPPLANE_TILED; |
| 2098 | else |
| 2099 | dspcntr &= ~DISPPLANE_TILED; |
| 2100 | } |
| 2101 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2102 | I915_WRITE(reg, dspcntr); |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2103 | |
Daniel Vetter | e506a0c | 2012-07-05 12:17:29 +0200 | [diff] [blame] | 2104 | linear_offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8); |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2105 | |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 2106 | if (INTEL_INFO(dev)->gen >= 4) { |
| 2107 | intel_crtc->dspaddr_offset = |
Damien Lespiau | 5a35e99 | 2012-10-26 18:20:12 +0100 | [diff] [blame] | 2108 | intel_gen4_compute_offset_xtiled(&x, &y, |
| 2109 | fb->bits_per_pixel / 8, |
| 2110 | fb->pitches[0]); |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 2111 | linear_offset -= intel_crtc->dspaddr_offset; |
| 2112 | } else { |
Daniel Vetter | e506a0c | 2012-07-05 12:17:29 +0200 | [diff] [blame] | 2113 | intel_crtc->dspaddr_offset = linear_offset; |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 2114 | } |
Daniel Vetter | e506a0c | 2012-07-05 12:17:29 +0200 | [diff] [blame] | 2115 | |
| 2116 | DRM_DEBUG_KMS("Writing base %08X %08lX %d %d %d\n", |
| 2117 | obj->gtt_offset, linear_offset, x, y, fb->pitches[0]); |
Ville Syrjälä | 01f2c77 | 2011-12-20 00:06:49 +0200 | [diff] [blame] | 2118 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 2119 | if (INTEL_INFO(dev)->gen >= 4) { |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 2120 | I915_MODIFY_DISPBASE(DSPSURF(plane), |
| 2121 | obj->gtt_offset + intel_crtc->dspaddr_offset); |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2122 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
Daniel Vetter | e506a0c | 2012-07-05 12:17:29 +0200 | [diff] [blame] | 2123 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2124 | } else |
Daniel Vetter | e506a0c | 2012-07-05 12:17:29 +0200 | [diff] [blame] | 2125 | I915_WRITE(DSPADDR(plane), obj->gtt_offset + linear_offset); |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2126 | POSTING_READ(reg); |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2127 | |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 2128 | return 0; |
| 2129 | } |
| 2130 | |
| 2131 | static int ironlake_update_plane(struct drm_crtc *crtc, |
| 2132 | struct drm_framebuffer *fb, int x, int y) |
| 2133 | { |
| 2134 | struct drm_device *dev = crtc->dev; |
| 2135 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2136 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 2137 | struct intel_framebuffer *intel_fb; |
| 2138 | struct drm_i915_gem_object *obj; |
| 2139 | int plane = intel_crtc->plane; |
Daniel Vetter | e506a0c | 2012-07-05 12:17:29 +0200 | [diff] [blame] | 2140 | unsigned long linear_offset; |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 2141 | u32 dspcntr; |
| 2142 | u32 reg; |
| 2143 | |
| 2144 | switch (plane) { |
| 2145 | case 0: |
| 2146 | case 1: |
Jesse Barnes | 27f8227 | 2011-09-02 12:54:37 -0700 | [diff] [blame] | 2147 | case 2: |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 2148 | break; |
| 2149 | default: |
| 2150 | DRM_ERROR("Can't update plane %d in SAREA\n", plane); |
| 2151 | return -EINVAL; |
| 2152 | } |
| 2153 | |
| 2154 | intel_fb = to_intel_framebuffer(fb); |
| 2155 | obj = intel_fb->obj; |
| 2156 | |
| 2157 | reg = DSPCNTR(plane); |
| 2158 | dspcntr = I915_READ(reg); |
| 2159 | /* Mask out pixel format bits in case we change it */ |
| 2160 | dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 2161 | switch (fb->pixel_format) { |
| 2162 | case DRM_FORMAT_C8: |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 2163 | dspcntr |= DISPPLANE_8BPP; |
| 2164 | break; |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 2165 | case DRM_FORMAT_RGB565: |
| 2166 | dspcntr |= DISPPLANE_BGRX565; |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 2167 | break; |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 2168 | case DRM_FORMAT_XRGB8888: |
| 2169 | case DRM_FORMAT_ARGB8888: |
| 2170 | dspcntr |= DISPPLANE_BGRX888; |
| 2171 | break; |
| 2172 | case DRM_FORMAT_XBGR8888: |
| 2173 | case DRM_FORMAT_ABGR8888: |
| 2174 | dspcntr |= DISPPLANE_RGBX888; |
| 2175 | break; |
| 2176 | case DRM_FORMAT_XRGB2101010: |
| 2177 | case DRM_FORMAT_ARGB2101010: |
| 2178 | dspcntr |= DISPPLANE_BGRX101010; |
| 2179 | break; |
| 2180 | case DRM_FORMAT_XBGR2101010: |
| 2181 | case DRM_FORMAT_ABGR2101010: |
| 2182 | dspcntr |= DISPPLANE_RGBX101010; |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 2183 | break; |
| 2184 | default: |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 2185 | DRM_ERROR("Unknown pixel format 0x%08x\n", fb->pixel_format); |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 2186 | return -EINVAL; |
| 2187 | } |
| 2188 | |
| 2189 | if (obj->tiling_mode != I915_TILING_NONE) |
| 2190 | dspcntr |= DISPPLANE_TILED; |
| 2191 | else |
| 2192 | dspcntr &= ~DISPPLANE_TILED; |
| 2193 | |
| 2194 | /* must disable */ |
| 2195 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; |
| 2196 | |
| 2197 | I915_WRITE(reg, dspcntr); |
| 2198 | |
Daniel Vetter | e506a0c | 2012-07-05 12:17:29 +0200 | [diff] [blame] | 2199 | linear_offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8); |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 2200 | intel_crtc->dspaddr_offset = |
Damien Lespiau | 5a35e99 | 2012-10-26 18:20:12 +0100 | [diff] [blame] | 2201 | intel_gen4_compute_offset_xtiled(&x, &y, |
| 2202 | fb->bits_per_pixel / 8, |
| 2203 | fb->pitches[0]); |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 2204 | linear_offset -= intel_crtc->dspaddr_offset; |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 2205 | |
Daniel Vetter | e506a0c | 2012-07-05 12:17:29 +0200 | [diff] [blame] | 2206 | DRM_DEBUG_KMS("Writing base %08X %08lX %d %d %d\n", |
| 2207 | obj->gtt_offset, linear_offset, x, y, fb->pitches[0]); |
Ville Syrjälä | 01f2c77 | 2011-12-20 00:06:49 +0200 | [diff] [blame] | 2208 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 2209 | I915_MODIFY_DISPBASE(DSPSURF(plane), |
| 2210 | obj->gtt_offset + intel_crtc->dspaddr_offset); |
Damien Lespiau | bc1c91e | 2012-10-29 12:14:21 +0000 | [diff] [blame] | 2211 | if (IS_HASWELL(dev)) { |
| 2212 | I915_WRITE(DSPOFFSET(plane), (y << 16) | x); |
| 2213 | } else { |
| 2214 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
| 2215 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
| 2216 | } |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 2217 | POSTING_READ(reg); |
| 2218 | |
| 2219 | return 0; |
| 2220 | } |
| 2221 | |
| 2222 | /* Assume fb object is pinned & idle & fenced and just update base pointers */ |
| 2223 | static int |
| 2224 | intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, |
| 2225 | int x, int y, enum mode_set_atomic state) |
| 2226 | { |
| 2227 | struct drm_device *dev = crtc->dev; |
| 2228 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 2229 | |
Chris Wilson | 6b8e6ed | 2012-04-17 15:08:19 +0100 | [diff] [blame] | 2230 | if (dev_priv->display.disable_fbc) |
| 2231 | dev_priv->display.disable_fbc(dev); |
Daniel Vetter | 3dec009 | 2010-08-20 21:40:52 +0200 | [diff] [blame] | 2232 | intel_increase_pllclock(crtc); |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2233 | |
Chris Wilson | 6b8e6ed | 2012-04-17 15:08:19 +0100 | [diff] [blame] | 2234 | return dev_priv->display.update_plane(crtc, fb, x, y); |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 2235 | } |
| 2236 | |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 2237 | static int |
Chris Wilson | 14667a4 | 2012-04-03 17:58:35 +0100 | [diff] [blame] | 2238 | intel_finish_fb(struct drm_framebuffer *old_fb) |
| 2239 | { |
| 2240 | struct drm_i915_gem_object *obj = to_intel_framebuffer(old_fb)->obj; |
| 2241 | struct drm_i915_private *dev_priv = obj->base.dev->dev_private; |
| 2242 | bool was_interruptible = dev_priv->mm.interruptible; |
| 2243 | int ret; |
| 2244 | |
| 2245 | wait_event(dev_priv->pending_flip_queue, |
| 2246 | atomic_read(&dev_priv->mm.wedged) || |
| 2247 | atomic_read(&obj->pending_flip) == 0); |
| 2248 | |
| 2249 | /* Big Hammer, we also need to ensure that any pending |
| 2250 | * MI_WAIT_FOR_EVENT inside a user batch buffer on the |
| 2251 | * current scanout is retired before unpinning the old |
| 2252 | * framebuffer. |
| 2253 | * |
| 2254 | * This should only fail upon a hung GPU, in which case we |
| 2255 | * can safely continue. |
| 2256 | */ |
| 2257 | dev_priv->mm.interruptible = false; |
| 2258 | ret = i915_gem_object_finish_gpu(obj); |
| 2259 | dev_priv->mm.interruptible = was_interruptible; |
| 2260 | |
| 2261 | return ret; |
| 2262 | } |
| 2263 | |
Ville Syrjälä | 198598d | 2012-10-31 17:50:24 +0200 | [diff] [blame] | 2264 | static void intel_crtc_update_sarea_pos(struct drm_crtc *crtc, int x, int y) |
| 2265 | { |
| 2266 | struct drm_device *dev = crtc->dev; |
| 2267 | struct drm_i915_master_private *master_priv; |
| 2268 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 2269 | |
| 2270 | if (!dev->primary->master) |
| 2271 | return; |
| 2272 | |
| 2273 | master_priv = dev->primary->master->driver_priv; |
| 2274 | if (!master_priv->sarea_priv) |
| 2275 | return; |
| 2276 | |
| 2277 | switch (intel_crtc->pipe) { |
| 2278 | case 0: |
| 2279 | master_priv->sarea_priv->pipeA_x = x; |
| 2280 | master_priv->sarea_priv->pipeA_y = y; |
| 2281 | break; |
| 2282 | case 1: |
| 2283 | master_priv->sarea_priv->pipeB_x = x; |
| 2284 | master_priv->sarea_priv->pipeB_y = y; |
| 2285 | break; |
| 2286 | default: |
| 2287 | break; |
| 2288 | } |
| 2289 | } |
| 2290 | |
Chris Wilson | 14667a4 | 2012-04-03 17:58:35 +0100 | [diff] [blame] | 2291 | static int |
Kristian Høgsberg | 3c4fdcf | 2008-12-17 22:14:46 -0500 | [diff] [blame] | 2292 | intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 2293 | struct drm_framebuffer *fb) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2294 | { |
| 2295 | struct drm_device *dev = crtc->dev; |
Chris Wilson | 6b8e6ed | 2012-04-17 15:08:19 +0100 | [diff] [blame] | 2296 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2297 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 2298 | struct drm_framebuffer *old_fb; |
Chris Wilson | 5c3b82e | 2009-02-11 13:25:09 +0000 | [diff] [blame] | 2299 | int ret; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2300 | |
| 2301 | /* no fb bound */ |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 2302 | if (!fb) { |
Jesse Barnes | a5071c2 | 2011-07-19 15:38:56 -0700 | [diff] [blame] | 2303 | DRM_ERROR("No FB bound\n"); |
Chris Wilson | 5c3b82e | 2009-02-11 13:25:09 +0000 | [diff] [blame] | 2304 | return 0; |
| 2305 | } |
| 2306 | |
Eugeni Dodonov | 5826eca | 2012-05-09 15:37:12 -0300 | [diff] [blame] | 2307 | if(intel_crtc->plane > dev_priv->num_pipe) { |
| 2308 | DRM_ERROR("no plane for crtc: plane %d, num_pipes %d\n", |
| 2309 | intel_crtc->plane, |
| 2310 | dev_priv->num_pipe); |
Chris Wilson | 5c3b82e | 2009-02-11 13:25:09 +0000 | [diff] [blame] | 2311 | return -EINVAL; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2312 | } |
| 2313 | |
Chris Wilson | 5c3b82e | 2009-02-11 13:25:09 +0000 | [diff] [blame] | 2314 | mutex_lock(&dev->struct_mutex); |
Chris Wilson | 265db95 | 2010-09-20 15:41:01 +0100 | [diff] [blame] | 2315 | ret = intel_pin_and_fence_fb_obj(dev, |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 2316 | to_intel_framebuffer(fb)->obj, |
Chris Wilson | 919926a | 2010-11-12 13:42:53 +0000 | [diff] [blame] | 2317 | NULL); |
Chris Wilson | 5c3b82e | 2009-02-11 13:25:09 +0000 | [diff] [blame] | 2318 | if (ret != 0) { |
| 2319 | mutex_unlock(&dev->struct_mutex); |
Jesse Barnes | a5071c2 | 2011-07-19 15:38:56 -0700 | [diff] [blame] | 2320 | DRM_ERROR("pin & fence failed\n"); |
Chris Wilson | 5c3b82e | 2009-02-11 13:25:09 +0000 | [diff] [blame] | 2321 | return ret; |
| 2322 | } |
Kristian Høgsberg | 3c4fdcf | 2008-12-17 22:14:46 -0500 | [diff] [blame] | 2323 | |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 2324 | if (crtc->fb) |
| 2325 | intel_finish_fb(crtc->fb); |
Chris Wilson | 265db95 | 2010-09-20 15:41:01 +0100 | [diff] [blame] | 2326 | |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 2327 | ret = dev_priv->display.update_plane(crtc, fb, x, y); |
Chris Wilson | 4e6cfef | 2010-08-08 13:20:19 +0100 | [diff] [blame] | 2328 | if (ret) { |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 2329 | intel_unpin_fb_obj(to_intel_framebuffer(fb)->obj); |
Chris Wilson | 5c3b82e | 2009-02-11 13:25:09 +0000 | [diff] [blame] | 2330 | mutex_unlock(&dev->struct_mutex); |
Jesse Barnes | a5071c2 | 2011-07-19 15:38:56 -0700 | [diff] [blame] | 2331 | DRM_ERROR("failed to update base address\n"); |
Chris Wilson | 4e6cfef | 2010-08-08 13:20:19 +0100 | [diff] [blame] | 2332 | return ret; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2333 | } |
Kristian Høgsberg | 3c4fdcf | 2008-12-17 22:14:46 -0500 | [diff] [blame] | 2334 | |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 2335 | old_fb = crtc->fb; |
| 2336 | crtc->fb = fb; |
Daniel Vetter | 6c4c86f | 2012-09-10 21:58:30 +0200 | [diff] [blame] | 2337 | crtc->x = x; |
| 2338 | crtc->y = y; |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 2339 | |
Chris Wilson | b7f1de2 | 2010-12-14 16:09:31 +0000 | [diff] [blame] | 2340 | if (old_fb) { |
| 2341 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
Chris Wilson | 1690e1e | 2011-12-14 13:57:08 +0100 | [diff] [blame] | 2342 | intel_unpin_fb_obj(to_intel_framebuffer(old_fb)->obj); |
Chris Wilson | b7f1de2 | 2010-12-14 16:09:31 +0000 | [diff] [blame] | 2343 | } |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 2344 | |
Chris Wilson | 6b8e6ed | 2012-04-17 15:08:19 +0100 | [diff] [blame] | 2345 | intel_update_fbc(dev); |
Chris Wilson | 5c3b82e | 2009-02-11 13:25:09 +0000 | [diff] [blame] | 2346 | mutex_unlock(&dev->struct_mutex); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2347 | |
Ville Syrjälä | 198598d | 2012-10-31 17:50:24 +0200 | [diff] [blame] | 2348 | intel_crtc_update_sarea_pos(crtc, x, y); |
Chris Wilson | 5c3b82e | 2009-02-11 13:25:09 +0000 | [diff] [blame] | 2349 | |
| 2350 | return 0; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 2351 | } |
| 2352 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2353 | static void ironlake_set_pll_edp(struct drm_crtc *crtc, int clock) |
Zhenyu Wang | 32f9d65 | 2009-07-24 01:00:32 +0800 | [diff] [blame] | 2354 | { |
| 2355 | struct drm_device *dev = crtc->dev; |
| 2356 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2357 | u32 dpa_ctl; |
| 2358 | |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 2359 | DRM_DEBUG_KMS("eDP PLL enable for clock %d\n", clock); |
Zhenyu Wang | 32f9d65 | 2009-07-24 01:00:32 +0800 | [diff] [blame] | 2360 | dpa_ctl = I915_READ(DP_A); |
| 2361 | dpa_ctl &= ~DP_PLL_FREQ_MASK; |
| 2362 | |
| 2363 | if (clock < 200000) { |
| 2364 | u32 temp; |
| 2365 | dpa_ctl |= DP_PLL_FREQ_160MHZ; |
| 2366 | /* workaround for 160Mhz: |
| 2367 | 1) program 0x4600c bits 15:0 = 0x8124 |
| 2368 | 2) program 0x46010 bit 0 = 1 |
| 2369 | 3) program 0x46034 bit 24 = 1 |
| 2370 | 4) program 0x64000 bit 14 = 1 |
| 2371 | */ |
| 2372 | temp = I915_READ(0x4600c); |
| 2373 | temp &= 0xffff0000; |
| 2374 | I915_WRITE(0x4600c, temp | 0x8124); |
| 2375 | |
| 2376 | temp = I915_READ(0x46010); |
| 2377 | I915_WRITE(0x46010, temp | 1); |
| 2378 | |
| 2379 | temp = I915_READ(0x46034); |
| 2380 | I915_WRITE(0x46034, temp | (1 << 24)); |
| 2381 | } else { |
| 2382 | dpa_ctl |= DP_PLL_FREQ_270MHZ; |
| 2383 | } |
| 2384 | I915_WRITE(DP_A, dpa_ctl); |
| 2385 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2386 | POSTING_READ(DP_A); |
Zhenyu Wang | 32f9d65 | 2009-07-24 01:00:32 +0800 | [diff] [blame] | 2387 | udelay(500); |
| 2388 | } |
| 2389 | |
Zhenyu Wang | 5e84e1a | 2010-10-28 16:38:08 +0800 | [diff] [blame] | 2390 | static void intel_fdi_normal_train(struct drm_crtc *crtc) |
| 2391 | { |
| 2392 | struct drm_device *dev = crtc->dev; |
| 2393 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2394 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 2395 | int pipe = intel_crtc->pipe; |
| 2396 | u32 reg, temp; |
| 2397 | |
| 2398 | /* enable normal train */ |
| 2399 | reg = FDI_TX_CTL(pipe); |
| 2400 | temp = I915_READ(reg); |
Keith Packard | 61e499b | 2011-05-17 16:13:52 -0700 | [diff] [blame] | 2401 | if (IS_IVYBRIDGE(dev)) { |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2402 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
| 2403 | temp |= FDI_LINK_TRAIN_NONE_IVB | FDI_TX_ENHANCE_FRAME_ENABLE; |
Keith Packard | 61e499b | 2011-05-17 16:13:52 -0700 | [diff] [blame] | 2404 | } else { |
| 2405 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2406 | temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2407 | } |
Zhenyu Wang | 5e84e1a | 2010-10-28 16:38:08 +0800 | [diff] [blame] | 2408 | I915_WRITE(reg, temp); |
| 2409 | |
| 2410 | reg = FDI_RX_CTL(pipe); |
| 2411 | temp = I915_READ(reg); |
| 2412 | if (HAS_PCH_CPT(dev)) { |
| 2413 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
| 2414 | temp |= FDI_LINK_TRAIN_NORMAL_CPT; |
| 2415 | } else { |
| 2416 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2417 | temp |= FDI_LINK_TRAIN_NONE; |
| 2418 | } |
| 2419 | I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); |
| 2420 | |
| 2421 | /* wait one idle pattern time */ |
| 2422 | POSTING_READ(reg); |
| 2423 | udelay(1000); |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2424 | |
| 2425 | /* IVB wants error correction enabled */ |
| 2426 | if (IS_IVYBRIDGE(dev)) |
| 2427 | I915_WRITE(reg, I915_READ(reg) | FDI_FS_ERRC_ENABLE | |
| 2428 | FDI_FE_ERRC_ENABLE); |
Zhenyu Wang | 5e84e1a | 2010-10-28 16:38:08 +0800 | [diff] [blame] | 2429 | } |
| 2430 | |
Daniel Vetter | 01a415f | 2012-10-27 15:58:40 +0200 | [diff] [blame] | 2431 | static void ivb_modeset_global_resources(struct drm_device *dev) |
| 2432 | { |
| 2433 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2434 | struct intel_crtc *pipe_B_crtc = |
| 2435 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); |
| 2436 | struct intel_crtc *pipe_C_crtc = |
| 2437 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_C]); |
| 2438 | uint32_t temp; |
| 2439 | |
| 2440 | /* When everything is off disable fdi C so that we could enable fdi B |
| 2441 | * with all lanes. XXX: This misses the case where a pipe is not using |
| 2442 | * any pch resources and so doesn't need any fdi lanes. */ |
| 2443 | if (!pipe_B_crtc->base.enabled && !pipe_C_crtc->base.enabled) { |
| 2444 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); |
| 2445 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); |
| 2446 | |
| 2447 | temp = I915_READ(SOUTH_CHICKEN1); |
| 2448 | temp &= ~FDI_BC_BIFURCATION_SELECT; |
| 2449 | DRM_DEBUG_KMS("disabling fdi C rx\n"); |
| 2450 | I915_WRITE(SOUTH_CHICKEN1, temp); |
| 2451 | } |
| 2452 | } |
| 2453 | |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2454 | /* The FDI link training functions for ILK/Ibexpeak. */ |
| 2455 | static void ironlake_fdi_link_train(struct drm_crtc *crtc) |
| 2456 | { |
| 2457 | struct drm_device *dev = crtc->dev; |
| 2458 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2459 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 2460 | int pipe = intel_crtc->pipe; |
Jesse Barnes | 0fc932b | 2011-01-04 15:09:37 -0800 | [diff] [blame] | 2461 | int plane = intel_crtc->plane; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2462 | u32 reg, temp, tries; |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2463 | |
Jesse Barnes | 0fc932b | 2011-01-04 15:09:37 -0800 | [diff] [blame] | 2464 | /* FDI needs bits from pipe & plane first */ |
| 2465 | assert_pipe_enabled(dev_priv, pipe); |
| 2466 | assert_plane_enabled(dev_priv, plane); |
| 2467 | |
Adam Jackson | e1a4474 | 2010-06-25 15:32:14 -0400 | [diff] [blame] | 2468 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
| 2469 | for train result */ |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2470 | reg = FDI_RX_IMR(pipe); |
| 2471 | temp = I915_READ(reg); |
Adam Jackson | e1a4474 | 2010-06-25 15:32:14 -0400 | [diff] [blame] | 2472 | temp &= ~FDI_RX_SYMBOL_LOCK; |
| 2473 | temp &= ~FDI_RX_BIT_LOCK; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2474 | I915_WRITE(reg, temp); |
| 2475 | I915_READ(reg); |
Adam Jackson | e1a4474 | 2010-06-25 15:32:14 -0400 | [diff] [blame] | 2476 | udelay(150); |
| 2477 | |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2478 | /* enable CPU FDI TX and PCH FDI RX */ |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2479 | reg = FDI_TX_CTL(pipe); |
| 2480 | temp = I915_READ(reg); |
Adam Jackson | 77ffb59 | 2010-04-12 11:38:44 -0400 | [diff] [blame] | 2481 | temp &= ~(7 << 19); |
| 2482 | temp |= (intel_crtc->fdi_lanes - 1) << 19; |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2483 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2484 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2485 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2486 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2487 | reg = FDI_RX_CTL(pipe); |
| 2488 | temp = I915_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2489 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2490 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2491 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
| 2492 | |
| 2493 | POSTING_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2494 | udelay(150); |
| 2495 | |
Jesse Barnes | 5b2adf8 | 2010-10-07 16:01:15 -0700 | [diff] [blame] | 2496 | /* Ironlake workaround, enable clock pointer after FDI enable*/ |
Daniel Vetter | 8f5718a | 2012-10-31 22:52:28 +0100 | [diff] [blame] | 2497 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
| 2498 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | |
| 2499 | FDI_RX_PHASE_SYNC_POINTER_EN); |
Jesse Barnes | 5b2adf8 | 2010-10-07 16:01:15 -0700 | [diff] [blame] | 2500 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2501 | reg = FDI_RX_IIR(pipe); |
Adam Jackson | e1a4474 | 2010-06-25 15:32:14 -0400 | [diff] [blame] | 2502 | for (tries = 0; tries < 5; tries++) { |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2503 | temp = I915_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2504 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
| 2505 | |
| 2506 | if ((temp & FDI_RX_BIT_LOCK)) { |
| 2507 | DRM_DEBUG_KMS("FDI train 1 done.\n"); |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2508 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2509 | break; |
| 2510 | } |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2511 | } |
Adam Jackson | e1a4474 | 2010-06-25 15:32:14 -0400 | [diff] [blame] | 2512 | if (tries == 5) |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2513 | DRM_ERROR("FDI train 1 fail!\n"); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2514 | |
| 2515 | /* Train 2 */ |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2516 | reg = FDI_TX_CTL(pipe); |
| 2517 | temp = I915_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2518 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2519 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2520 | I915_WRITE(reg, temp); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2521 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2522 | reg = FDI_RX_CTL(pipe); |
| 2523 | temp = I915_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2524 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2525 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2526 | I915_WRITE(reg, temp); |
| 2527 | |
| 2528 | POSTING_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2529 | udelay(150); |
| 2530 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2531 | reg = FDI_RX_IIR(pipe); |
Adam Jackson | e1a4474 | 2010-06-25 15:32:14 -0400 | [diff] [blame] | 2532 | for (tries = 0; tries < 5; tries++) { |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2533 | temp = I915_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2534 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
| 2535 | |
| 2536 | if (temp & FDI_RX_SYMBOL_LOCK) { |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2537 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2538 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
| 2539 | break; |
| 2540 | } |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2541 | } |
Adam Jackson | e1a4474 | 2010-06-25 15:32:14 -0400 | [diff] [blame] | 2542 | if (tries == 5) |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2543 | DRM_ERROR("FDI train 2 fail!\n"); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2544 | |
| 2545 | DRM_DEBUG_KMS("FDI train done\n"); |
Jesse Barnes | 5c5313c | 2010-10-07 16:01:11 -0700 | [diff] [blame] | 2546 | |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2547 | } |
| 2548 | |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2549 | static const int snb_b_fdi_train_param[] = { |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2550 | FDI_LINK_TRAIN_400MV_0DB_SNB_B, |
| 2551 | FDI_LINK_TRAIN_400MV_6DB_SNB_B, |
| 2552 | FDI_LINK_TRAIN_600MV_3_5DB_SNB_B, |
| 2553 | FDI_LINK_TRAIN_800MV_0DB_SNB_B, |
| 2554 | }; |
| 2555 | |
| 2556 | /* The FDI link training functions for SNB/Cougarpoint. */ |
| 2557 | static void gen6_fdi_link_train(struct drm_crtc *crtc) |
| 2558 | { |
| 2559 | struct drm_device *dev = crtc->dev; |
| 2560 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2561 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 2562 | int pipe = intel_crtc->pipe; |
Sean Paul | fa37d39 | 2012-03-02 12:53:39 -0500 | [diff] [blame] | 2563 | u32 reg, temp, i, retry; |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2564 | |
Adam Jackson | e1a4474 | 2010-06-25 15:32:14 -0400 | [diff] [blame] | 2565 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
| 2566 | for train result */ |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2567 | reg = FDI_RX_IMR(pipe); |
| 2568 | temp = I915_READ(reg); |
Adam Jackson | e1a4474 | 2010-06-25 15:32:14 -0400 | [diff] [blame] | 2569 | temp &= ~FDI_RX_SYMBOL_LOCK; |
| 2570 | temp &= ~FDI_RX_BIT_LOCK; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2571 | I915_WRITE(reg, temp); |
| 2572 | |
| 2573 | POSTING_READ(reg); |
Adam Jackson | e1a4474 | 2010-06-25 15:32:14 -0400 | [diff] [blame] | 2574 | udelay(150); |
| 2575 | |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2576 | /* enable CPU FDI TX and PCH FDI RX */ |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2577 | reg = FDI_TX_CTL(pipe); |
| 2578 | temp = I915_READ(reg); |
Adam Jackson | 77ffb59 | 2010-04-12 11:38:44 -0400 | [diff] [blame] | 2579 | temp &= ~(7 << 19); |
| 2580 | temp |= (intel_crtc->fdi_lanes - 1) << 19; |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2581 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2582 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
| 2583 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
| 2584 | /* SNB-B */ |
| 2585 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2586 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2587 | |
Daniel Vetter | d74cf32 | 2012-10-26 10:58:13 +0200 | [diff] [blame] | 2588 | I915_WRITE(FDI_RX_MISC(pipe), |
| 2589 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); |
| 2590 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2591 | reg = FDI_RX_CTL(pipe); |
| 2592 | temp = I915_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2593 | if (HAS_PCH_CPT(dev)) { |
| 2594 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
| 2595 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
| 2596 | } else { |
| 2597 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2598 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
| 2599 | } |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2600 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
| 2601 | |
| 2602 | POSTING_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2603 | udelay(150); |
| 2604 | |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2605 | for (i = 0; i < 4; i++) { |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2606 | reg = FDI_TX_CTL(pipe); |
| 2607 | temp = I915_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2608 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
| 2609 | temp |= snb_b_fdi_train_param[i]; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2610 | I915_WRITE(reg, temp); |
| 2611 | |
| 2612 | POSTING_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2613 | udelay(500); |
| 2614 | |
Sean Paul | fa37d39 | 2012-03-02 12:53:39 -0500 | [diff] [blame] | 2615 | for (retry = 0; retry < 5; retry++) { |
| 2616 | reg = FDI_RX_IIR(pipe); |
| 2617 | temp = I915_READ(reg); |
| 2618 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
| 2619 | if (temp & FDI_RX_BIT_LOCK) { |
| 2620 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
| 2621 | DRM_DEBUG_KMS("FDI train 1 done.\n"); |
| 2622 | break; |
| 2623 | } |
| 2624 | udelay(50); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2625 | } |
Sean Paul | fa37d39 | 2012-03-02 12:53:39 -0500 | [diff] [blame] | 2626 | if (retry < 5) |
| 2627 | break; |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2628 | } |
| 2629 | if (i == 4) |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2630 | DRM_ERROR("FDI train 1 fail!\n"); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2631 | |
| 2632 | /* Train 2 */ |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2633 | reg = FDI_TX_CTL(pipe); |
| 2634 | temp = I915_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2635 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2636 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
| 2637 | if (IS_GEN6(dev)) { |
| 2638 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
| 2639 | /* SNB-B */ |
| 2640 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; |
| 2641 | } |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2642 | I915_WRITE(reg, temp); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2643 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2644 | reg = FDI_RX_CTL(pipe); |
| 2645 | temp = I915_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2646 | if (HAS_PCH_CPT(dev)) { |
| 2647 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
| 2648 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; |
| 2649 | } else { |
| 2650 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2651 | temp |= FDI_LINK_TRAIN_PATTERN_2; |
| 2652 | } |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2653 | I915_WRITE(reg, temp); |
| 2654 | |
| 2655 | POSTING_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2656 | udelay(150); |
| 2657 | |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2658 | for (i = 0; i < 4; i++) { |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2659 | reg = FDI_TX_CTL(pipe); |
| 2660 | temp = I915_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2661 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
| 2662 | temp |= snb_b_fdi_train_param[i]; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2663 | I915_WRITE(reg, temp); |
| 2664 | |
| 2665 | POSTING_READ(reg); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2666 | udelay(500); |
| 2667 | |
Sean Paul | fa37d39 | 2012-03-02 12:53:39 -0500 | [diff] [blame] | 2668 | for (retry = 0; retry < 5; retry++) { |
| 2669 | reg = FDI_RX_IIR(pipe); |
| 2670 | temp = I915_READ(reg); |
| 2671 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
| 2672 | if (temp & FDI_RX_SYMBOL_LOCK) { |
| 2673 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
| 2674 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
| 2675 | break; |
| 2676 | } |
| 2677 | udelay(50); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2678 | } |
Sean Paul | fa37d39 | 2012-03-02 12:53:39 -0500 | [diff] [blame] | 2679 | if (retry < 5) |
| 2680 | break; |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2681 | } |
| 2682 | if (i == 4) |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2683 | DRM_ERROR("FDI train 2 fail!\n"); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 2684 | |
| 2685 | DRM_DEBUG_KMS("FDI train done.\n"); |
| 2686 | } |
| 2687 | |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2688 | /* Manual link training for Ivy Bridge A0 parts */ |
| 2689 | static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) |
| 2690 | { |
| 2691 | struct drm_device *dev = crtc->dev; |
| 2692 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2693 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 2694 | int pipe = intel_crtc->pipe; |
| 2695 | u32 reg, temp, i; |
| 2696 | |
| 2697 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
| 2698 | for train result */ |
| 2699 | reg = FDI_RX_IMR(pipe); |
| 2700 | temp = I915_READ(reg); |
| 2701 | temp &= ~FDI_RX_SYMBOL_LOCK; |
| 2702 | temp &= ~FDI_RX_BIT_LOCK; |
| 2703 | I915_WRITE(reg, temp); |
| 2704 | |
| 2705 | POSTING_READ(reg); |
| 2706 | udelay(150); |
| 2707 | |
Daniel Vetter | 01a415f | 2012-10-27 15:58:40 +0200 | [diff] [blame] | 2708 | DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", |
| 2709 | I915_READ(FDI_RX_IIR(pipe))); |
| 2710 | |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2711 | /* enable CPU FDI TX and PCH FDI RX */ |
| 2712 | reg = FDI_TX_CTL(pipe); |
| 2713 | temp = I915_READ(reg); |
| 2714 | temp &= ~(7 << 19); |
| 2715 | temp |= (intel_crtc->fdi_lanes - 1) << 19; |
| 2716 | temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB); |
| 2717 | temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; |
| 2718 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
| 2719 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; |
Jesse Barnes | c4f9c4c | 2011-10-10 14:28:52 -0700 | [diff] [blame] | 2720 | temp |= FDI_COMPOSITE_SYNC; |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2721 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
| 2722 | |
Daniel Vetter | d74cf32 | 2012-10-26 10:58:13 +0200 | [diff] [blame] | 2723 | I915_WRITE(FDI_RX_MISC(pipe), |
| 2724 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); |
| 2725 | |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2726 | reg = FDI_RX_CTL(pipe); |
| 2727 | temp = I915_READ(reg); |
| 2728 | temp &= ~FDI_LINK_TRAIN_AUTO; |
| 2729 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
| 2730 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
Jesse Barnes | c4f9c4c | 2011-10-10 14:28:52 -0700 | [diff] [blame] | 2731 | temp |= FDI_COMPOSITE_SYNC; |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2732 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
| 2733 | |
| 2734 | POSTING_READ(reg); |
| 2735 | udelay(150); |
| 2736 | |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2737 | for (i = 0; i < 4; i++) { |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2738 | reg = FDI_TX_CTL(pipe); |
| 2739 | temp = I915_READ(reg); |
| 2740 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
| 2741 | temp |= snb_b_fdi_train_param[i]; |
| 2742 | I915_WRITE(reg, temp); |
| 2743 | |
| 2744 | POSTING_READ(reg); |
| 2745 | udelay(500); |
| 2746 | |
| 2747 | reg = FDI_RX_IIR(pipe); |
| 2748 | temp = I915_READ(reg); |
| 2749 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
| 2750 | |
| 2751 | if (temp & FDI_RX_BIT_LOCK || |
| 2752 | (I915_READ(reg) & FDI_RX_BIT_LOCK)) { |
| 2753 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
Daniel Vetter | 01a415f | 2012-10-27 15:58:40 +0200 | [diff] [blame] | 2754 | DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", i); |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2755 | break; |
| 2756 | } |
| 2757 | } |
| 2758 | if (i == 4) |
| 2759 | DRM_ERROR("FDI train 1 fail!\n"); |
| 2760 | |
| 2761 | /* Train 2 */ |
| 2762 | reg = FDI_TX_CTL(pipe); |
| 2763 | temp = I915_READ(reg); |
| 2764 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
| 2765 | temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; |
| 2766 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
| 2767 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; |
| 2768 | I915_WRITE(reg, temp); |
| 2769 | |
| 2770 | reg = FDI_RX_CTL(pipe); |
| 2771 | temp = I915_READ(reg); |
| 2772 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
| 2773 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; |
| 2774 | I915_WRITE(reg, temp); |
| 2775 | |
| 2776 | POSTING_READ(reg); |
| 2777 | udelay(150); |
| 2778 | |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2779 | for (i = 0; i < 4; i++) { |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2780 | reg = FDI_TX_CTL(pipe); |
| 2781 | temp = I915_READ(reg); |
| 2782 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
| 2783 | temp |= snb_b_fdi_train_param[i]; |
| 2784 | I915_WRITE(reg, temp); |
| 2785 | |
| 2786 | POSTING_READ(reg); |
| 2787 | udelay(500); |
| 2788 | |
| 2789 | reg = FDI_RX_IIR(pipe); |
| 2790 | temp = I915_READ(reg); |
| 2791 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
| 2792 | |
| 2793 | if (temp & FDI_RX_SYMBOL_LOCK) { |
| 2794 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
Daniel Vetter | 01a415f | 2012-10-27 15:58:40 +0200 | [diff] [blame] | 2795 | DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", i); |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 2796 | break; |
| 2797 | } |
| 2798 | } |
| 2799 | if (i == 4) |
| 2800 | DRM_ERROR("FDI train 2 fail!\n"); |
| 2801 | |
| 2802 | DRM_DEBUG_KMS("FDI train done.\n"); |
| 2803 | } |
| 2804 | |
Daniel Vetter | 88cefb6 | 2012-08-12 19:27:14 +0200 | [diff] [blame] | 2805 | static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) |
Jesse Barnes | 0e23b99 | 2010-09-10 11:10:00 -0700 | [diff] [blame] | 2806 | { |
Daniel Vetter | 88cefb6 | 2012-08-12 19:27:14 +0200 | [diff] [blame] | 2807 | struct drm_device *dev = intel_crtc->base.dev; |
Jesse Barnes | 0e23b99 | 2010-09-10 11:10:00 -0700 | [diff] [blame] | 2808 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | 0e23b99 | 2010-09-10 11:10:00 -0700 | [diff] [blame] | 2809 | int pipe = intel_crtc->pipe; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2810 | u32 reg, temp; |
Jesse Barnes | 0e23b99 | 2010-09-10 11:10:00 -0700 | [diff] [blame] | 2811 | |
Jesse Barnes | c64e311 | 2010-09-10 11:27:03 -0700 | [diff] [blame] | 2812 | |
Jesse Barnes | 0e23b99 | 2010-09-10 11:10:00 -0700 | [diff] [blame] | 2813 | /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2814 | reg = FDI_RX_CTL(pipe); |
| 2815 | temp = I915_READ(reg); |
| 2816 | temp &= ~((0x7 << 19) | (0x7 << 16)); |
Jesse Barnes | 0e23b99 | 2010-09-10 11:10:00 -0700 | [diff] [blame] | 2817 | temp |= (intel_crtc->fdi_lanes - 1) << 19; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2818 | temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11; |
| 2819 | I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE); |
| 2820 | |
| 2821 | POSTING_READ(reg); |
Jesse Barnes | 0e23b99 | 2010-09-10 11:10:00 -0700 | [diff] [blame] | 2822 | udelay(200); |
| 2823 | |
| 2824 | /* Switch from Rawclk to PCDclk */ |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2825 | temp = I915_READ(reg); |
| 2826 | I915_WRITE(reg, temp | FDI_PCDCLK); |
| 2827 | |
| 2828 | POSTING_READ(reg); |
Jesse Barnes | 0e23b99 | 2010-09-10 11:10:00 -0700 | [diff] [blame] | 2829 | udelay(200); |
| 2830 | |
Eugeni Dodonov | bf507ef | 2012-05-09 15:37:18 -0300 | [diff] [blame] | 2831 | /* On Haswell, the PLL configuration for ports and pipes is handled |
| 2832 | * separately, as part of DDI setup */ |
| 2833 | if (!IS_HASWELL(dev)) { |
| 2834 | /* Enable CPU FDI TX PLL, always on for Ironlake */ |
| 2835 | reg = FDI_TX_CTL(pipe); |
| 2836 | temp = I915_READ(reg); |
| 2837 | if ((temp & FDI_TX_PLL_ENABLE) == 0) { |
| 2838 | I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE); |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 2839 | |
Eugeni Dodonov | bf507ef | 2012-05-09 15:37:18 -0300 | [diff] [blame] | 2840 | POSTING_READ(reg); |
| 2841 | udelay(100); |
| 2842 | } |
Jesse Barnes | 0e23b99 | 2010-09-10 11:10:00 -0700 | [diff] [blame] | 2843 | } |
| 2844 | } |
| 2845 | |
Daniel Vetter | 88cefb6 | 2012-08-12 19:27:14 +0200 | [diff] [blame] | 2846 | static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) |
| 2847 | { |
| 2848 | struct drm_device *dev = intel_crtc->base.dev; |
| 2849 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2850 | int pipe = intel_crtc->pipe; |
| 2851 | u32 reg, temp; |
| 2852 | |
| 2853 | /* Switch from PCDclk to Rawclk */ |
| 2854 | reg = FDI_RX_CTL(pipe); |
| 2855 | temp = I915_READ(reg); |
| 2856 | I915_WRITE(reg, temp & ~FDI_PCDCLK); |
| 2857 | |
| 2858 | /* Disable CPU FDI TX PLL */ |
| 2859 | reg = FDI_TX_CTL(pipe); |
| 2860 | temp = I915_READ(reg); |
| 2861 | I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE); |
| 2862 | |
| 2863 | POSTING_READ(reg); |
| 2864 | udelay(100); |
| 2865 | |
| 2866 | reg = FDI_RX_CTL(pipe); |
| 2867 | temp = I915_READ(reg); |
| 2868 | I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE); |
| 2869 | |
| 2870 | /* Wait for the clocks to turn off. */ |
| 2871 | POSTING_READ(reg); |
| 2872 | udelay(100); |
| 2873 | } |
| 2874 | |
Jesse Barnes | 0fc932b | 2011-01-04 15:09:37 -0800 | [diff] [blame] | 2875 | static void ironlake_fdi_disable(struct drm_crtc *crtc) |
| 2876 | { |
| 2877 | struct drm_device *dev = crtc->dev; |
| 2878 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2879 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 2880 | int pipe = intel_crtc->pipe; |
| 2881 | u32 reg, temp; |
| 2882 | |
| 2883 | /* disable CPU FDI tx and PCH FDI rx */ |
| 2884 | reg = FDI_TX_CTL(pipe); |
| 2885 | temp = I915_READ(reg); |
| 2886 | I915_WRITE(reg, temp & ~FDI_TX_ENABLE); |
| 2887 | POSTING_READ(reg); |
| 2888 | |
| 2889 | reg = FDI_RX_CTL(pipe); |
| 2890 | temp = I915_READ(reg); |
| 2891 | temp &= ~(0x7 << 16); |
| 2892 | temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11; |
| 2893 | I915_WRITE(reg, temp & ~FDI_RX_ENABLE); |
| 2894 | |
| 2895 | POSTING_READ(reg); |
| 2896 | udelay(100); |
| 2897 | |
| 2898 | /* Ironlake workaround, disable clock pointer after downing FDI */ |
Jesse Barnes | 6f06ce1 | 2011-01-04 15:09:38 -0800 | [diff] [blame] | 2899 | if (HAS_PCH_IBX(dev)) { |
| 2900 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
Jesse Barnes | 6f06ce1 | 2011-01-04 15:09:38 -0800 | [diff] [blame] | 2901 | } |
Jesse Barnes | 0fc932b | 2011-01-04 15:09:37 -0800 | [diff] [blame] | 2902 | |
| 2903 | /* still set train pattern 1 */ |
| 2904 | reg = FDI_TX_CTL(pipe); |
| 2905 | temp = I915_READ(reg); |
| 2906 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2907 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
| 2908 | I915_WRITE(reg, temp); |
| 2909 | |
| 2910 | reg = FDI_RX_CTL(pipe); |
| 2911 | temp = I915_READ(reg); |
| 2912 | if (HAS_PCH_CPT(dev)) { |
| 2913 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; |
| 2914 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
| 2915 | } else { |
| 2916 | temp &= ~FDI_LINK_TRAIN_NONE; |
| 2917 | temp |= FDI_LINK_TRAIN_PATTERN_1; |
| 2918 | } |
| 2919 | /* BPC in FDI rx is consistent with that in PIPECONF */ |
| 2920 | temp &= ~(0x07 << 16); |
| 2921 | temp |= (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) << 11; |
| 2922 | I915_WRITE(reg, temp); |
| 2923 | |
| 2924 | POSTING_READ(reg); |
| 2925 | udelay(100); |
| 2926 | } |
| 2927 | |
Chris Wilson | 5bb6164 | 2012-09-27 21:25:58 +0100 | [diff] [blame] | 2928 | static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) |
| 2929 | { |
| 2930 | struct drm_device *dev = crtc->dev; |
| 2931 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2932 | unsigned long flags; |
| 2933 | bool pending; |
| 2934 | |
| 2935 | if (atomic_read(&dev_priv->mm.wedged)) |
| 2936 | return false; |
| 2937 | |
| 2938 | spin_lock_irqsave(&dev->event_lock, flags); |
| 2939 | pending = to_intel_crtc(crtc)->unpin_work != NULL; |
| 2940 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 2941 | |
| 2942 | return pending; |
| 2943 | } |
| 2944 | |
Chris Wilson | e6c3a2a | 2010-09-23 23:04:43 +0100 | [diff] [blame] | 2945 | static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) |
| 2946 | { |
Chris Wilson | 0f91128 | 2012-04-17 10:05:38 +0100 | [diff] [blame] | 2947 | struct drm_device *dev = crtc->dev; |
Chris Wilson | 5bb6164 | 2012-09-27 21:25:58 +0100 | [diff] [blame] | 2948 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | e6c3a2a | 2010-09-23 23:04:43 +0100 | [diff] [blame] | 2949 | |
| 2950 | if (crtc->fb == NULL) |
| 2951 | return; |
| 2952 | |
Chris Wilson | 5bb6164 | 2012-09-27 21:25:58 +0100 | [diff] [blame] | 2953 | wait_event(dev_priv->pending_flip_queue, |
| 2954 | !intel_crtc_has_pending_flip(crtc)); |
| 2955 | |
Chris Wilson | 0f91128 | 2012-04-17 10:05:38 +0100 | [diff] [blame] | 2956 | mutex_lock(&dev->struct_mutex); |
| 2957 | intel_finish_fb(crtc->fb); |
| 2958 | mutex_unlock(&dev->struct_mutex); |
Chris Wilson | e6c3a2a | 2010-09-23 23:04:43 +0100 | [diff] [blame] | 2959 | } |
| 2960 | |
Paulo Zanoni | fc316cb | 2012-10-25 10:37:43 -0200 | [diff] [blame] | 2961 | static bool ironlake_crtc_driving_pch(struct drm_crtc *crtc) |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 2962 | { |
| 2963 | struct drm_device *dev = crtc->dev; |
Paulo Zanoni | 228d3e3 | 2012-08-10 10:05:10 -0300 | [diff] [blame] | 2964 | struct intel_encoder *intel_encoder; |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 2965 | |
| 2966 | /* |
| 2967 | * If there's a non-PCH eDP on this crtc, it must be DP_A, and that |
| 2968 | * must be driven by its own crtc; no sharing is possible. |
| 2969 | */ |
Paulo Zanoni | 228d3e3 | 2012-08-10 10:05:10 -0300 | [diff] [blame] | 2970 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) { |
Paulo Zanoni | 228d3e3 | 2012-08-10 10:05:10 -0300 | [diff] [blame] | 2971 | switch (intel_encoder->type) { |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 2972 | case INTEL_OUTPUT_EDP: |
Paulo Zanoni | 228d3e3 | 2012-08-10 10:05:10 -0300 | [diff] [blame] | 2973 | if (!intel_encoder_is_pch_edp(&intel_encoder->base)) |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 2974 | return false; |
| 2975 | continue; |
| 2976 | } |
| 2977 | } |
| 2978 | |
| 2979 | return true; |
| 2980 | } |
| 2981 | |
Paulo Zanoni | fc316cb | 2012-10-25 10:37:43 -0200 | [diff] [blame] | 2982 | static bool haswell_crtc_driving_pch(struct drm_crtc *crtc) |
| 2983 | { |
| 2984 | return intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG); |
| 2985 | } |
| 2986 | |
Eugeni Dodonov | e615efe | 2012-05-09 15:37:26 -0300 | [diff] [blame] | 2987 | /* Program iCLKIP clock to the desired frequency */ |
| 2988 | static void lpt_program_iclkip(struct drm_crtc *crtc) |
| 2989 | { |
| 2990 | struct drm_device *dev = crtc->dev; |
| 2991 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 2992 | u32 divsel, phaseinc, auxdiv, phasedir = 0; |
| 2993 | u32 temp; |
| 2994 | |
| 2995 | /* It is necessary to ungate the pixclk gate prior to programming |
| 2996 | * the divisors, and gate it back when it is done. |
| 2997 | */ |
| 2998 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_GATE); |
| 2999 | |
| 3000 | /* Disable SSCCTL */ |
| 3001 | intel_sbi_write(dev_priv, SBI_SSCCTL6, |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 3002 | intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK) | |
| 3003 | SBI_SSCCTL_DISABLE, |
| 3004 | SBI_ICLK); |
Eugeni Dodonov | e615efe | 2012-05-09 15:37:26 -0300 | [diff] [blame] | 3005 | |
| 3006 | /* 20MHz is a corner case which is out of range for the 7-bit divisor */ |
| 3007 | if (crtc->mode.clock == 20000) { |
| 3008 | auxdiv = 1; |
| 3009 | divsel = 0x41; |
| 3010 | phaseinc = 0x20; |
| 3011 | } else { |
| 3012 | /* The iCLK virtual clock root frequency is in MHz, |
| 3013 | * but the crtc->mode.clock in in KHz. To get the divisors, |
| 3014 | * it is necessary to divide one by another, so we |
| 3015 | * convert the virtual clock precision to KHz here for higher |
| 3016 | * precision. |
| 3017 | */ |
| 3018 | u32 iclk_virtual_root_freq = 172800 * 1000; |
| 3019 | u32 iclk_pi_range = 64; |
| 3020 | u32 desired_divisor, msb_divisor_value, pi_value; |
| 3021 | |
| 3022 | desired_divisor = (iclk_virtual_root_freq / crtc->mode.clock); |
| 3023 | msb_divisor_value = desired_divisor / iclk_pi_range; |
| 3024 | pi_value = desired_divisor % iclk_pi_range; |
| 3025 | |
| 3026 | auxdiv = 0; |
| 3027 | divsel = msb_divisor_value - 2; |
| 3028 | phaseinc = pi_value; |
| 3029 | } |
| 3030 | |
| 3031 | /* This should not happen with any sane values */ |
| 3032 | WARN_ON(SBI_SSCDIVINTPHASE_DIVSEL(divsel) & |
| 3033 | ~SBI_SSCDIVINTPHASE_DIVSEL_MASK); |
| 3034 | WARN_ON(SBI_SSCDIVINTPHASE_DIR(phasedir) & |
| 3035 | ~SBI_SSCDIVINTPHASE_INCVAL_MASK); |
| 3036 | |
| 3037 | DRM_DEBUG_KMS("iCLKIP clock: found settings for %dKHz refresh rate: auxdiv=%x, divsel=%x, phasedir=%x, phaseinc=%x\n", |
| 3038 | crtc->mode.clock, |
| 3039 | auxdiv, |
| 3040 | divsel, |
| 3041 | phasedir, |
| 3042 | phaseinc); |
| 3043 | |
| 3044 | /* Program SSCDIVINTPHASE6 */ |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 3045 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); |
Eugeni Dodonov | e615efe | 2012-05-09 15:37:26 -0300 | [diff] [blame] | 3046 | temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; |
| 3047 | temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); |
| 3048 | temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; |
| 3049 | temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); |
| 3050 | temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); |
| 3051 | temp |= SBI_SSCDIVINTPHASE_PROPAGATE; |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 3052 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); |
Eugeni Dodonov | e615efe | 2012-05-09 15:37:26 -0300 | [diff] [blame] | 3053 | |
| 3054 | /* Program SSCAUXDIV */ |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 3055 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); |
Eugeni Dodonov | e615efe | 2012-05-09 15:37:26 -0300 | [diff] [blame] | 3056 | temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); |
| 3057 | temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 3058 | intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); |
Eugeni Dodonov | e615efe | 2012-05-09 15:37:26 -0300 | [diff] [blame] | 3059 | |
| 3060 | /* Enable modulator and associated divider */ |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 3061 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); |
Eugeni Dodonov | e615efe | 2012-05-09 15:37:26 -0300 | [diff] [blame] | 3062 | temp &= ~SBI_SSCCTL_DISABLE; |
Paulo Zanoni | 988d6ee | 2012-12-01 12:04:24 -0200 | [diff] [blame] | 3063 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); |
Eugeni Dodonov | e615efe | 2012-05-09 15:37:26 -0300 | [diff] [blame] | 3064 | |
| 3065 | /* Wait for initialization time */ |
| 3066 | udelay(24); |
| 3067 | |
| 3068 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE); |
| 3069 | } |
| 3070 | |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3071 | /* |
| 3072 | * Enable PCH resources required for PCH ports: |
| 3073 | * - PCH PLLs |
| 3074 | * - FDI training & RX/TX |
| 3075 | * - update transcoder timings |
| 3076 | * - DP transcoding bits |
| 3077 | * - transcoder |
| 3078 | */ |
| 3079 | static void ironlake_pch_enable(struct drm_crtc *crtc) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3080 | { |
| 3081 | struct drm_device *dev = crtc->dev; |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 3082 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 3083 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 3084 | int pipe = intel_crtc->pipe; |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3085 | u32 reg, temp; |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3086 | |
Chris Wilson | e7e164d | 2012-05-11 09:21:25 +0100 | [diff] [blame] | 3087 | assert_transcoder_disabled(dev_priv, pipe); |
| 3088 | |
Daniel Vetter | cd986ab | 2012-10-26 10:58:12 +0200 | [diff] [blame] | 3089 | /* Write the TU size bits before fdi link training, so that error |
| 3090 | * detection works. */ |
| 3091 | I915_WRITE(FDI_RX_TUSIZE1(pipe), |
| 3092 | I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); |
| 3093 | |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3094 | /* For PCH output, training FDI link */ |
Jesse Barnes | 674cf96 | 2011-04-28 14:27:04 -0700 | [diff] [blame] | 3095 | dev_priv->display.fdi_link_train(crtc); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3096 | |
Daniel Vetter | 572deb3 | 2012-10-27 18:46:14 +0200 | [diff] [blame] | 3097 | /* XXX: pch pll's can be enabled any time before we enable the PCH |
| 3098 | * transcoder, and we actually should do this to not upset any PCH |
| 3099 | * transcoder that already use the clock when we share it. |
| 3100 | * |
| 3101 | * Note that enable_pch_pll tries to do the right thing, but get_pch_pll |
| 3102 | * unconditionally resets the pll - we need that to have the right LVDS |
| 3103 | * enable sequence. */ |
Paulo Zanoni | b6b4e18 | 2012-10-31 18:12:38 -0200 | [diff] [blame] | 3104 | ironlake_enable_pch_pll(intel_crtc); |
Chris Wilson | 6f13b7b | 2012-05-13 09:54:09 +0100 | [diff] [blame] | 3105 | |
Paulo Zanoni | 303b81e | 2012-10-31 18:12:23 -0200 | [diff] [blame] | 3106 | if (HAS_PCH_CPT(dev)) { |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3107 | u32 sel; |
Jesse Barnes | 4b645f1 | 2011-10-12 09:51:31 -0700 | [diff] [blame] | 3108 | |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3109 | temp = I915_READ(PCH_DPLL_SEL); |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3110 | switch (pipe) { |
| 3111 | default: |
| 3112 | case 0: |
| 3113 | temp |= TRANSA_DPLL_ENABLE; |
| 3114 | sel = TRANSA_DPLLB_SEL; |
| 3115 | break; |
| 3116 | case 1: |
| 3117 | temp |= TRANSB_DPLL_ENABLE; |
| 3118 | sel = TRANSB_DPLLB_SEL; |
| 3119 | break; |
| 3120 | case 2: |
| 3121 | temp |= TRANSC_DPLL_ENABLE; |
| 3122 | sel = TRANSC_DPLLB_SEL; |
| 3123 | break; |
Jesse Barnes | d64311a | 2011-10-12 15:01:33 -0700 | [diff] [blame] | 3124 | } |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3125 | if (intel_crtc->pch_pll->pll_reg == _PCH_DPLL_B) |
| 3126 | temp |= sel; |
| 3127 | else |
| 3128 | temp &= ~sel; |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3129 | I915_WRITE(PCH_DPLL_SEL, temp); |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3130 | } |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3131 | |
Jesse Barnes | d9b6cb5 | 2011-01-04 15:09:35 -0800 | [diff] [blame] | 3132 | /* set transcoder timing, panel must allow it */ |
| 3133 | assert_panel_unlocked(dev_priv, pipe); |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3134 | I915_WRITE(TRANS_HTOTAL(pipe), I915_READ(HTOTAL(pipe))); |
| 3135 | I915_WRITE(TRANS_HBLANK(pipe), I915_READ(HBLANK(pipe))); |
| 3136 | I915_WRITE(TRANS_HSYNC(pipe), I915_READ(HSYNC(pipe))); |
| 3137 | |
| 3138 | I915_WRITE(TRANS_VTOTAL(pipe), I915_READ(VTOTAL(pipe))); |
| 3139 | I915_WRITE(TRANS_VBLANK(pipe), I915_READ(VBLANK(pipe))); |
| 3140 | I915_WRITE(TRANS_VSYNC(pipe), I915_READ(VSYNC(pipe))); |
Daniel Vetter | 0529a0d | 2012-01-28 14:49:24 +0100 | [diff] [blame] | 3141 | I915_WRITE(TRANS_VSYNCSHIFT(pipe), I915_READ(VSYNCSHIFT(pipe))); |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3142 | |
Paulo Zanoni | 303b81e | 2012-10-31 18:12:23 -0200 | [diff] [blame] | 3143 | intel_fdi_normal_train(crtc); |
Zhenyu Wang | 5e84e1a | 2010-10-28 16:38:08 +0800 | [diff] [blame] | 3144 | |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3145 | /* For PCH DP, enable TRANS_DP_CTL */ |
| 3146 | if (HAS_PCH_CPT(dev) && |
Keith Packard | 417e822 | 2011-11-01 19:54:11 -0700 | [diff] [blame] | 3147 | (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || |
| 3148 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { |
Jesse Barnes | 9325c9f | 2011-06-24 12:19:21 -0700 | [diff] [blame] | 3149 | u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPE_BPC_MASK) >> 5; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3150 | reg = TRANS_DP_CTL(pipe); |
| 3151 | temp = I915_READ(reg); |
| 3152 | temp &= ~(TRANS_DP_PORT_SEL_MASK | |
Eric Anholt | 220cad3 | 2010-11-18 09:32:58 +0800 | [diff] [blame] | 3153 | TRANS_DP_SYNC_MASK | |
| 3154 | TRANS_DP_BPC_MASK); |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3155 | temp |= (TRANS_DP_OUTPUT_ENABLE | |
| 3156 | TRANS_DP_ENH_FRAMING); |
Jesse Barnes | 9325c9f | 2011-06-24 12:19:21 -0700 | [diff] [blame] | 3157 | temp |= bpc << 9; /* same format but at 11:9 */ |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3158 | |
| 3159 | if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC) |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3160 | temp |= TRANS_DP_HSYNC_ACTIVE_HIGH; |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3161 | if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC) |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3162 | temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3163 | |
| 3164 | switch (intel_trans_dp_port_sel(crtc)) { |
| 3165 | case PCH_DP_B: |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3166 | temp |= TRANS_DP_PORT_SEL_B; |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3167 | break; |
| 3168 | case PCH_DP_C: |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3169 | temp |= TRANS_DP_PORT_SEL_C; |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3170 | break; |
| 3171 | case PCH_DP_D: |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3172 | temp |= TRANS_DP_PORT_SEL_D; |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3173 | break; |
| 3174 | default: |
Daniel Vetter | e95d41e | 2012-10-26 10:58:16 +0200 | [diff] [blame] | 3175 | BUG(); |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3176 | } |
| 3177 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3178 | I915_WRITE(reg, temp); |
Jesse Barnes | c98e9dc | 2010-09-10 10:57:18 -0700 | [diff] [blame] | 3179 | } |
| 3180 | |
Paulo Zanoni | b8a4f40 | 2012-10-31 18:12:42 -0200 | [diff] [blame] | 3181 | ironlake_enable_pch_transcoder(dev_priv, pipe); |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3182 | } |
| 3183 | |
Paulo Zanoni | 1507e5b | 2012-10-31 18:12:22 -0200 | [diff] [blame] | 3184 | static void lpt_pch_enable(struct drm_crtc *crtc) |
| 3185 | { |
| 3186 | struct drm_device *dev = crtc->dev; |
| 3187 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 3188 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Paulo Zanoni | daed2db | 2012-10-31 18:12:41 -0200 | [diff] [blame] | 3189 | enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; |
Paulo Zanoni | 1507e5b | 2012-10-31 18:12:22 -0200 | [diff] [blame] | 3190 | |
Paulo Zanoni | daed2db | 2012-10-31 18:12:41 -0200 | [diff] [blame] | 3191 | assert_transcoder_disabled(dev_priv, TRANSCODER_A); |
Paulo Zanoni | 1507e5b | 2012-10-31 18:12:22 -0200 | [diff] [blame] | 3192 | |
Paulo Zanoni | 8c52b5e | 2012-10-31 18:12:24 -0200 | [diff] [blame] | 3193 | lpt_program_iclkip(crtc); |
Paulo Zanoni | 1507e5b | 2012-10-31 18:12:22 -0200 | [diff] [blame] | 3194 | |
Paulo Zanoni | 0540e48 | 2012-10-31 18:12:40 -0200 | [diff] [blame] | 3195 | /* Set transcoder timing. */ |
Paulo Zanoni | daed2db | 2012-10-31 18:12:41 -0200 | [diff] [blame] | 3196 | I915_WRITE(_TRANS_HTOTAL_A, I915_READ(HTOTAL(cpu_transcoder))); |
| 3197 | I915_WRITE(_TRANS_HBLANK_A, I915_READ(HBLANK(cpu_transcoder))); |
| 3198 | I915_WRITE(_TRANS_HSYNC_A, I915_READ(HSYNC(cpu_transcoder))); |
Paulo Zanoni | 1507e5b | 2012-10-31 18:12:22 -0200 | [diff] [blame] | 3199 | |
Paulo Zanoni | daed2db | 2012-10-31 18:12:41 -0200 | [diff] [blame] | 3200 | I915_WRITE(_TRANS_VTOTAL_A, I915_READ(VTOTAL(cpu_transcoder))); |
| 3201 | I915_WRITE(_TRANS_VBLANK_A, I915_READ(VBLANK(cpu_transcoder))); |
| 3202 | I915_WRITE(_TRANS_VSYNC_A, I915_READ(VSYNC(cpu_transcoder))); |
| 3203 | I915_WRITE(_TRANS_VSYNCSHIFT_A, I915_READ(VSYNCSHIFT(cpu_transcoder))); |
Paulo Zanoni | 1507e5b | 2012-10-31 18:12:22 -0200 | [diff] [blame] | 3204 | |
Paulo Zanoni | 937bb61 | 2012-10-31 18:12:47 -0200 | [diff] [blame] | 3205 | lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3206 | } |
| 3207 | |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3208 | static void intel_put_pch_pll(struct intel_crtc *intel_crtc) |
| 3209 | { |
| 3210 | struct intel_pch_pll *pll = intel_crtc->pch_pll; |
| 3211 | |
| 3212 | if (pll == NULL) |
| 3213 | return; |
| 3214 | |
| 3215 | if (pll->refcount == 0) { |
| 3216 | WARN(1, "bad PCH PLL refcount\n"); |
| 3217 | return; |
| 3218 | } |
| 3219 | |
| 3220 | --pll->refcount; |
| 3221 | intel_crtc->pch_pll = NULL; |
| 3222 | } |
| 3223 | |
| 3224 | static struct intel_pch_pll *intel_get_pch_pll(struct intel_crtc *intel_crtc, u32 dpll, u32 fp) |
| 3225 | { |
| 3226 | struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private; |
| 3227 | struct intel_pch_pll *pll; |
| 3228 | int i; |
| 3229 | |
| 3230 | pll = intel_crtc->pch_pll; |
| 3231 | if (pll) { |
| 3232 | DRM_DEBUG_KMS("CRTC:%d reusing existing PCH PLL %x\n", |
| 3233 | intel_crtc->base.base.id, pll->pll_reg); |
| 3234 | goto prepare; |
| 3235 | } |
| 3236 | |
Daniel Vetter | 98b6bd9 | 2012-05-20 20:00:25 +0200 | [diff] [blame] | 3237 | if (HAS_PCH_IBX(dev_priv->dev)) { |
| 3238 | /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */ |
| 3239 | i = intel_crtc->pipe; |
| 3240 | pll = &dev_priv->pch_plls[i]; |
| 3241 | |
| 3242 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated PCH PLL %x\n", |
| 3243 | intel_crtc->base.base.id, pll->pll_reg); |
| 3244 | |
| 3245 | goto found; |
| 3246 | } |
| 3247 | |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3248 | for (i = 0; i < dev_priv->num_pch_pll; i++) { |
| 3249 | pll = &dev_priv->pch_plls[i]; |
| 3250 | |
| 3251 | /* Only want to check enabled timings first */ |
| 3252 | if (pll->refcount == 0) |
| 3253 | continue; |
| 3254 | |
| 3255 | if (dpll == (I915_READ(pll->pll_reg) & 0x7fffffff) && |
| 3256 | fp == I915_READ(pll->fp0_reg)) { |
| 3257 | DRM_DEBUG_KMS("CRTC:%d sharing existing PCH PLL %x (refcount %d, ative %d)\n", |
| 3258 | intel_crtc->base.base.id, |
| 3259 | pll->pll_reg, pll->refcount, pll->active); |
| 3260 | |
| 3261 | goto found; |
| 3262 | } |
| 3263 | } |
| 3264 | |
| 3265 | /* Ok no matching timings, maybe there's a free one? */ |
| 3266 | for (i = 0; i < dev_priv->num_pch_pll; i++) { |
| 3267 | pll = &dev_priv->pch_plls[i]; |
| 3268 | if (pll->refcount == 0) { |
| 3269 | DRM_DEBUG_KMS("CRTC:%d allocated PCH PLL %x\n", |
| 3270 | intel_crtc->base.base.id, pll->pll_reg); |
| 3271 | goto found; |
| 3272 | } |
| 3273 | } |
| 3274 | |
| 3275 | return NULL; |
| 3276 | |
| 3277 | found: |
| 3278 | intel_crtc->pch_pll = pll; |
| 3279 | pll->refcount++; |
| 3280 | DRM_DEBUG_DRIVER("using pll %d for pipe %d\n", i, intel_crtc->pipe); |
| 3281 | prepare: /* separate function? */ |
| 3282 | DRM_DEBUG_DRIVER("switching PLL %x off\n", pll->pll_reg); |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3283 | |
Chris Wilson | e04c735 | 2012-05-02 20:43:56 +0100 | [diff] [blame] | 3284 | /* Wait for the clocks to stabilize before rewriting the regs */ |
| 3285 | I915_WRITE(pll->pll_reg, dpll & ~DPLL_VCO_ENABLE); |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3286 | POSTING_READ(pll->pll_reg); |
| 3287 | udelay(150); |
Chris Wilson | e04c735 | 2012-05-02 20:43:56 +0100 | [diff] [blame] | 3288 | |
| 3289 | I915_WRITE(pll->fp0_reg, fp); |
| 3290 | I915_WRITE(pll->pll_reg, dpll & ~DPLL_VCO_ENABLE); |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3291 | pll->on = false; |
| 3292 | return pll; |
| 3293 | } |
| 3294 | |
Jesse Barnes | d4270e5 | 2011-10-11 10:43:02 -0700 | [diff] [blame] | 3295 | void intel_cpt_verify_modeset(struct drm_device *dev, int pipe) |
| 3296 | { |
| 3297 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 23670b32 | 2012-11-01 09:15:30 +0100 | [diff] [blame] | 3298 | int dslreg = PIPEDSL(pipe); |
Jesse Barnes | d4270e5 | 2011-10-11 10:43:02 -0700 | [diff] [blame] | 3299 | u32 temp; |
| 3300 | |
| 3301 | temp = I915_READ(dslreg); |
| 3302 | udelay(500); |
| 3303 | if (wait_for(I915_READ(dslreg) != temp, 5)) { |
Jesse Barnes | d4270e5 | 2011-10-11 10:43:02 -0700 | [diff] [blame] | 3304 | if (wait_for(I915_READ(dslreg) != temp, 5)) |
| 3305 | DRM_ERROR("mode set failed: pipe %d stuck\n", pipe); |
| 3306 | } |
| 3307 | } |
| 3308 | |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3309 | static void ironlake_crtc_enable(struct drm_crtc *crtc) |
| 3310 | { |
| 3311 | struct drm_device *dev = crtc->dev; |
| 3312 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 3313 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Daniel Vetter | ef9c3ae | 2012-06-29 22:40:09 +0200 | [diff] [blame] | 3314 | struct intel_encoder *encoder; |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3315 | int pipe = intel_crtc->pipe; |
| 3316 | int plane = intel_crtc->plane; |
| 3317 | u32 temp; |
| 3318 | bool is_pch_port; |
| 3319 | |
Daniel Vetter | 08a4846 | 2012-07-02 11:43:47 +0200 | [diff] [blame] | 3320 | WARN_ON(!crtc->enabled); |
| 3321 | |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3322 | if (intel_crtc->active) |
| 3323 | return; |
| 3324 | |
| 3325 | intel_crtc->active = true; |
| 3326 | intel_update_watermarks(dev); |
| 3327 | |
| 3328 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
| 3329 | temp = I915_READ(PCH_LVDS); |
| 3330 | if ((temp & LVDS_PORT_EN) == 0) |
| 3331 | I915_WRITE(PCH_LVDS, temp | LVDS_PORT_EN); |
| 3332 | } |
| 3333 | |
Paulo Zanoni | fc316cb | 2012-10-25 10:37:43 -0200 | [diff] [blame] | 3334 | is_pch_port = ironlake_crtc_driving_pch(crtc); |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3335 | |
Daniel Vetter | 46b6f81 | 2012-09-06 22:08:33 +0200 | [diff] [blame] | 3336 | if (is_pch_port) { |
Daniel Vetter | fff367c | 2012-10-27 15:50:28 +0200 | [diff] [blame] | 3337 | /* Note: FDI PLL enabling _must_ be done before we enable the |
| 3338 | * cpu pipes, hence this is separate from all the other fdi/pch |
| 3339 | * enabling. */ |
Daniel Vetter | 88cefb6 | 2012-08-12 19:27:14 +0200 | [diff] [blame] | 3340 | ironlake_fdi_pll_enable(intel_crtc); |
Daniel Vetter | 46b6f81 | 2012-09-06 22:08:33 +0200 | [diff] [blame] | 3341 | } else { |
| 3342 | assert_fdi_tx_disabled(dev_priv, pipe); |
| 3343 | assert_fdi_rx_disabled(dev_priv, pipe); |
| 3344 | } |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3345 | |
Daniel Vetter | bf49ec8 | 2012-09-06 22:15:40 +0200 | [diff] [blame] | 3346 | for_each_encoder_on_crtc(dev, crtc, encoder) |
| 3347 | if (encoder->pre_enable) |
| 3348 | encoder->pre_enable(encoder); |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3349 | |
| 3350 | /* Enable panel fitting for LVDS */ |
| 3351 | if (dev_priv->pch_pf_size && |
Jani Nikula | 547dc04 | 2012-11-02 11:24:03 +0200 | [diff] [blame] | 3352 | (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) || |
| 3353 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP))) { |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3354 | /* Force use of hard-coded filter coefficients |
| 3355 | * as some pre-programmed values are broken, |
| 3356 | * e.g. x201. |
| 3357 | */ |
Paulo Zanoni | 13888d7 | 2012-11-20 13:27:41 -0200 | [diff] [blame] | 3358 | if (IS_IVYBRIDGE(dev)) |
| 3359 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | |
| 3360 | PF_PIPE_SEL_IVB(pipe)); |
| 3361 | else |
| 3362 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 3363 | I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos); |
| 3364 | I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size); |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3365 | } |
| 3366 | |
Jesse Barnes | 9c54c0d | 2011-06-15 23:32:33 +0200 | [diff] [blame] | 3367 | /* |
| 3368 | * On ILK+ LUT must be loaded before the pipe is running but with |
| 3369 | * clocks enabled |
| 3370 | */ |
| 3371 | intel_crtc_load_lut(crtc); |
| 3372 | |
Jesse Barnes | f67a559 | 2011-01-05 10:31:48 -0800 | [diff] [blame] | 3373 | intel_enable_pipe(dev_priv, pipe, is_pch_port); |
| 3374 | intel_enable_plane(dev_priv, plane, pipe); |
| 3375 | |
| 3376 | if (is_pch_port) |
| 3377 | ironlake_pch_enable(crtc); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3378 | |
Ben Widawsky | d1ebd816 | 2011-04-25 20:11:50 +0100 | [diff] [blame] | 3379 | mutex_lock(&dev->struct_mutex); |
Chris Wilson | bed4a67 | 2010-09-11 10:47:47 +0100 | [diff] [blame] | 3380 | intel_update_fbc(dev); |
Ben Widawsky | d1ebd816 | 2011-04-25 20:11:50 +0100 | [diff] [blame] | 3381 | mutex_unlock(&dev->struct_mutex); |
| 3382 | |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 3383 | intel_crtc_update_cursor(crtc, true); |
Daniel Vetter | ef9c3ae | 2012-06-29 22:40:09 +0200 | [diff] [blame] | 3384 | |
Daniel Vetter | fa5c73b | 2012-07-01 23:24:36 +0200 | [diff] [blame] | 3385 | for_each_encoder_on_crtc(dev, crtc, encoder) |
| 3386 | encoder->enable(encoder); |
Daniel Vetter | 61b77dd | 2012-07-02 00:16:19 +0200 | [diff] [blame] | 3387 | |
| 3388 | if (HAS_PCH_CPT(dev)) |
| 3389 | intel_cpt_verify_modeset(dev, intel_crtc->pipe); |
Daniel Vetter | 6ce9410 | 2012-10-04 19:20:03 +0200 | [diff] [blame] | 3390 | |
| 3391 | /* |
| 3392 | * There seems to be a race in PCH platform hw (at least on some |
| 3393 | * outputs) where an enabled pipe still completes any pageflip right |
| 3394 | * away (as if the pipe is off) instead of waiting for vblank. As soon |
| 3395 | * as the first vblank happend, everything works as expected. Hence just |
| 3396 | * wait for one vblank before returning to avoid strange things |
| 3397 | * happening. |
| 3398 | */ |
| 3399 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3400 | } |
| 3401 | |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3402 | static void haswell_crtc_enable(struct drm_crtc *crtc) |
| 3403 | { |
| 3404 | struct drm_device *dev = crtc->dev; |
| 3405 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 3406 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 3407 | struct intel_encoder *encoder; |
| 3408 | int pipe = intel_crtc->pipe; |
| 3409 | int plane = intel_crtc->plane; |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3410 | bool is_pch_port; |
| 3411 | |
| 3412 | WARN_ON(!crtc->enabled); |
| 3413 | |
| 3414 | if (intel_crtc->active) |
| 3415 | return; |
| 3416 | |
| 3417 | intel_crtc->active = true; |
| 3418 | intel_update_watermarks(dev); |
| 3419 | |
Paulo Zanoni | fc316cb | 2012-10-25 10:37:43 -0200 | [diff] [blame] | 3420 | is_pch_port = haswell_crtc_driving_pch(crtc); |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3421 | |
Paulo Zanoni | 8361663 | 2012-10-23 18:29:54 -0200 | [diff] [blame] | 3422 | if (is_pch_port) |
Paulo Zanoni | 0494564 | 2012-11-01 21:00:59 -0200 | [diff] [blame] | 3423 | dev_priv->display.fdi_link_train(crtc); |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3424 | |
| 3425 | for_each_encoder_on_crtc(dev, crtc, encoder) |
| 3426 | if (encoder->pre_enable) |
| 3427 | encoder->pre_enable(encoder); |
| 3428 | |
Paulo Zanoni | 1f54438 | 2012-10-24 11:32:00 -0200 | [diff] [blame] | 3429 | intel_ddi_enable_pipe_clock(intel_crtc); |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3430 | |
Paulo Zanoni | 1f54438 | 2012-10-24 11:32:00 -0200 | [diff] [blame] | 3431 | /* Enable panel fitting for eDP */ |
Jani Nikula | 547dc04 | 2012-11-02 11:24:03 +0200 | [diff] [blame] | 3432 | if (dev_priv->pch_pf_size && |
| 3433 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) { |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3434 | /* Force use of hard-coded filter coefficients |
| 3435 | * as some pre-programmed values are broken, |
| 3436 | * e.g. x201. |
| 3437 | */ |
Paulo Zanoni | 54075a7 | 2012-11-20 13:27:42 -0200 | [diff] [blame] | 3438 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | |
| 3439 | PF_PIPE_SEL_IVB(pipe)); |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3440 | I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos); |
| 3441 | I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size); |
| 3442 | } |
| 3443 | |
| 3444 | /* |
| 3445 | * On ILK+ LUT must be loaded before the pipe is running but with |
| 3446 | * clocks enabled |
| 3447 | */ |
| 3448 | intel_crtc_load_lut(crtc); |
| 3449 | |
Paulo Zanoni | 1f54438 | 2012-10-24 11:32:00 -0200 | [diff] [blame] | 3450 | intel_ddi_set_pipe_settings(crtc); |
| 3451 | intel_ddi_enable_pipe_func(crtc); |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3452 | |
| 3453 | intel_enable_pipe(dev_priv, pipe, is_pch_port); |
| 3454 | intel_enable_plane(dev_priv, plane, pipe); |
| 3455 | |
| 3456 | if (is_pch_port) |
Paulo Zanoni | 1507e5b | 2012-10-31 18:12:22 -0200 | [diff] [blame] | 3457 | lpt_pch_enable(crtc); |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3458 | |
| 3459 | mutex_lock(&dev->struct_mutex); |
| 3460 | intel_update_fbc(dev); |
| 3461 | mutex_unlock(&dev->struct_mutex); |
| 3462 | |
| 3463 | intel_crtc_update_cursor(crtc, true); |
| 3464 | |
| 3465 | for_each_encoder_on_crtc(dev, crtc, encoder) |
| 3466 | encoder->enable(encoder); |
| 3467 | |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3468 | /* |
| 3469 | * There seems to be a race in PCH platform hw (at least on some |
| 3470 | * outputs) where an enabled pipe still completes any pageflip right |
| 3471 | * away (as if the pipe is off) instead of waiting for vblank. As soon |
| 3472 | * as the first vblank happend, everything works as expected. Hence just |
| 3473 | * wait for one vblank before returning to avoid strange things |
| 3474 | * happening. |
| 3475 | */ |
| 3476 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
| 3477 | } |
| 3478 | |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3479 | static void ironlake_crtc_disable(struct drm_crtc *crtc) |
| 3480 | { |
| 3481 | struct drm_device *dev = crtc->dev; |
| 3482 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 3483 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Daniel Vetter | ef9c3ae | 2012-06-29 22:40:09 +0200 | [diff] [blame] | 3484 | struct intel_encoder *encoder; |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3485 | int pipe = intel_crtc->pipe; |
| 3486 | int plane = intel_crtc->plane; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3487 | u32 reg, temp; |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3488 | |
Daniel Vetter | ef9c3ae | 2012-06-29 22:40:09 +0200 | [diff] [blame] | 3489 | |
Chris Wilson | f7abfe8 | 2010-09-13 14:19:16 +0100 | [diff] [blame] | 3490 | if (!intel_crtc->active) |
| 3491 | return; |
| 3492 | |
Daniel Vetter | ea9d758 | 2012-07-10 10:42:52 +0200 | [diff] [blame] | 3493 | for_each_encoder_on_crtc(dev, crtc, encoder) |
| 3494 | encoder->disable(encoder); |
| 3495 | |
Chris Wilson | e6c3a2a | 2010-09-23 23:04:43 +0100 | [diff] [blame] | 3496 | intel_crtc_wait_for_pending_flips(crtc); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3497 | drm_vblank_off(dev, pipe); |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 3498 | intel_crtc_update_cursor(crtc, false); |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3499 | |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 3500 | intel_disable_plane(dev_priv, plane, pipe); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3501 | |
Chris Wilson | 973d04f | 2011-07-08 12:22:37 +0100 | [diff] [blame] | 3502 | if (dev_priv->cfb_plane == plane) |
| 3503 | intel_disable_fbc(dev); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3504 | |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 3505 | intel_disable_pipe(dev_priv, pipe); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3506 | |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3507 | /* Disable PF */ |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 3508 | I915_WRITE(PF_CTL(pipe), 0); |
| 3509 | I915_WRITE(PF_WIN_SZ(pipe), 0); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3510 | |
Daniel Vetter | bf49ec8 | 2012-09-06 22:15:40 +0200 | [diff] [blame] | 3511 | for_each_encoder_on_crtc(dev, crtc, encoder) |
| 3512 | if (encoder->post_disable) |
| 3513 | encoder->post_disable(encoder); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3514 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3515 | ironlake_fdi_disable(crtc); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3516 | |
Paulo Zanoni | b8a4f40 | 2012-10-31 18:12:42 -0200 | [diff] [blame] | 3517 | ironlake_disable_pch_transcoder(dev_priv, pipe); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3518 | |
| 3519 | if (HAS_PCH_CPT(dev)) { |
| 3520 | /* disable TRANS_DP_CTL */ |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3521 | reg = TRANS_DP_CTL(pipe); |
| 3522 | temp = I915_READ(reg); |
| 3523 | temp &= ~(TRANS_DP_OUTPUT_ENABLE | TRANS_DP_PORT_SEL_MASK); |
Eric Anholt | cb3543c | 2011-02-02 12:08:07 -0800 | [diff] [blame] | 3524 | temp |= TRANS_DP_PORT_SEL_NONE; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 3525 | I915_WRITE(reg, temp); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3526 | |
| 3527 | /* disable DPLL_SEL */ |
| 3528 | temp = I915_READ(PCH_DPLL_SEL); |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 3529 | switch (pipe) { |
| 3530 | case 0: |
Jesse Barnes | d64311a | 2011-10-12 15:01:33 -0700 | [diff] [blame] | 3531 | temp &= ~(TRANSA_DPLL_ENABLE | TRANSA_DPLLB_SEL); |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 3532 | break; |
| 3533 | case 1: |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3534 | temp &= ~(TRANSB_DPLL_ENABLE | TRANSB_DPLLB_SEL); |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 3535 | break; |
| 3536 | case 2: |
Jesse Barnes | 4b645f1 | 2011-10-12 09:51:31 -0700 | [diff] [blame] | 3537 | /* C shares PLL A or B */ |
Jesse Barnes | d64311a | 2011-10-12 15:01:33 -0700 | [diff] [blame] | 3538 | temp &= ~(TRANSC_DPLL_ENABLE | TRANSC_DPLLB_SEL); |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 3539 | break; |
| 3540 | default: |
| 3541 | BUG(); /* wtf */ |
| 3542 | } |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3543 | I915_WRITE(PCH_DPLL_SEL, temp); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3544 | } |
| 3545 | |
| 3546 | /* disable PCH DPLL */ |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3547 | intel_disable_pch_pll(intel_crtc); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3548 | |
Daniel Vetter | 88cefb6 | 2012-08-12 19:27:14 +0200 | [diff] [blame] | 3549 | ironlake_fdi_pll_disable(intel_crtc); |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 3550 | |
Chris Wilson | f7abfe8 | 2010-09-13 14:19:16 +0100 | [diff] [blame] | 3551 | intel_crtc->active = false; |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 3552 | intel_update_watermarks(dev); |
Ben Widawsky | d1ebd816 | 2011-04-25 20:11:50 +0100 | [diff] [blame] | 3553 | |
| 3554 | mutex_lock(&dev->struct_mutex); |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 3555 | intel_update_fbc(dev); |
Ben Widawsky | d1ebd816 | 2011-04-25 20:11:50 +0100 | [diff] [blame] | 3556 | mutex_unlock(&dev->struct_mutex); |
Jesse Barnes | 6be4a60 | 2010-09-10 10:26:01 -0700 | [diff] [blame] | 3557 | } |
| 3558 | |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3559 | static void haswell_crtc_disable(struct drm_crtc *crtc) |
| 3560 | { |
| 3561 | struct drm_device *dev = crtc->dev; |
| 3562 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 3563 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 3564 | struct intel_encoder *encoder; |
| 3565 | int pipe = intel_crtc->pipe; |
| 3566 | int plane = intel_crtc->plane; |
Paulo Zanoni | ad80a81 | 2012-10-24 16:06:19 -0200 | [diff] [blame] | 3567 | enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; |
Paulo Zanoni | 8361663 | 2012-10-23 18:29:54 -0200 | [diff] [blame] | 3568 | bool is_pch_port; |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3569 | |
| 3570 | if (!intel_crtc->active) |
| 3571 | return; |
| 3572 | |
Paulo Zanoni | 8361663 | 2012-10-23 18:29:54 -0200 | [diff] [blame] | 3573 | is_pch_port = haswell_crtc_driving_pch(crtc); |
| 3574 | |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3575 | for_each_encoder_on_crtc(dev, crtc, encoder) |
| 3576 | encoder->disable(encoder); |
| 3577 | |
| 3578 | intel_crtc_wait_for_pending_flips(crtc); |
| 3579 | drm_vblank_off(dev, pipe); |
| 3580 | intel_crtc_update_cursor(crtc, false); |
| 3581 | |
| 3582 | intel_disable_plane(dev_priv, plane, pipe); |
| 3583 | |
| 3584 | if (dev_priv->cfb_plane == plane) |
| 3585 | intel_disable_fbc(dev); |
| 3586 | |
| 3587 | intel_disable_pipe(dev_priv, pipe); |
| 3588 | |
Paulo Zanoni | ad80a81 | 2012-10-24 16:06:19 -0200 | [diff] [blame] | 3589 | intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3590 | |
| 3591 | /* Disable PF */ |
| 3592 | I915_WRITE(PF_CTL(pipe), 0); |
| 3593 | I915_WRITE(PF_WIN_SZ(pipe), 0); |
| 3594 | |
Paulo Zanoni | 1f54438 | 2012-10-24 11:32:00 -0200 | [diff] [blame] | 3595 | intel_ddi_disable_pipe_clock(intel_crtc); |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3596 | |
| 3597 | for_each_encoder_on_crtc(dev, crtc, encoder) |
| 3598 | if (encoder->post_disable) |
| 3599 | encoder->post_disable(encoder); |
| 3600 | |
Paulo Zanoni | 8361663 | 2012-10-23 18:29:54 -0200 | [diff] [blame] | 3601 | if (is_pch_port) { |
Paulo Zanoni | ab4d966 | 2012-10-31 18:12:55 -0200 | [diff] [blame] | 3602 | lpt_disable_pch_transcoder(dev_priv); |
Paulo Zanoni | 1ad960f | 2012-11-01 21:05:05 -0200 | [diff] [blame] | 3603 | intel_ddi_fdi_disable(crtc); |
Paulo Zanoni | 8361663 | 2012-10-23 18:29:54 -0200 | [diff] [blame] | 3604 | } |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 3605 | |
| 3606 | intel_crtc->active = false; |
| 3607 | intel_update_watermarks(dev); |
| 3608 | |
| 3609 | mutex_lock(&dev->struct_mutex); |
| 3610 | intel_update_fbc(dev); |
| 3611 | mutex_unlock(&dev->struct_mutex); |
| 3612 | } |
| 3613 | |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3614 | static void ironlake_crtc_off(struct drm_crtc *crtc) |
| 3615 | { |
| 3616 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 3617 | intel_put_pch_pll(intel_crtc); |
| 3618 | } |
| 3619 | |
Paulo Zanoni | 6441ab5 | 2012-10-05 12:05:58 -0300 | [diff] [blame] | 3620 | static void haswell_crtc_off(struct drm_crtc *crtc) |
| 3621 | { |
Paulo Zanoni | a5c961d | 2012-10-24 15:59:34 -0200 | [diff] [blame] | 3622 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 3623 | |
| 3624 | /* Stop saying we're using TRANSCODER_EDP because some other CRTC might |
| 3625 | * start using it. */ |
| 3626 | intel_crtc->cpu_transcoder = intel_crtc->pipe; |
| 3627 | |
Paulo Zanoni | 6441ab5 | 2012-10-05 12:05:58 -0300 | [diff] [blame] | 3628 | intel_ddi_put_crtc_pll(crtc); |
| 3629 | } |
| 3630 | |
Daniel Vetter | 02e792f | 2009-09-15 22:57:34 +0200 | [diff] [blame] | 3631 | static void intel_crtc_dpms_overlay(struct intel_crtc *intel_crtc, bool enable) |
| 3632 | { |
Daniel Vetter | 02e792f | 2009-09-15 22:57:34 +0200 | [diff] [blame] | 3633 | if (!enable && intel_crtc->overlay) { |
Chris Wilson | 23f09ce | 2010-08-12 13:53:37 +0100 | [diff] [blame] | 3634 | struct drm_device *dev = intel_crtc->base.dev; |
Chris Wilson | ce453d8 | 2011-02-21 14:43:56 +0000 | [diff] [blame] | 3635 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 03f77ea | 2009-09-15 22:57:37 +0200 | [diff] [blame] | 3636 | |
Chris Wilson | 23f09ce | 2010-08-12 13:53:37 +0100 | [diff] [blame] | 3637 | mutex_lock(&dev->struct_mutex); |
Chris Wilson | ce453d8 | 2011-02-21 14:43:56 +0000 | [diff] [blame] | 3638 | dev_priv->mm.interruptible = false; |
| 3639 | (void) intel_overlay_switch_off(intel_crtc->overlay); |
| 3640 | dev_priv->mm.interruptible = true; |
Chris Wilson | 23f09ce | 2010-08-12 13:53:37 +0100 | [diff] [blame] | 3641 | mutex_unlock(&dev->struct_mutex); |
Daniel Vetter | 02e792f | 2009-09-15 22:57:34 +0200 | [diff] [blame] | 3642 | } |
Daniel Vetter | 02e792f | 2009-09-15 22:57:34 +0200 | [diff] [blame] | 3643 | |
Chris Wilson | 5dcdbcb | 2010-08-12 13:50:28 +0100 | [diff] [blame] | 3644 | /* Let userspace switch the overlay on again. In most cases userspace |
| 3645 | * has to recompute where to put it anyway. |
| 3646 | */ |
Daniel Vetter | 02e792f | 2009-09-15 22:57:34 +0200 | [diff] [blame] | 3647 | } |
| 3648 | |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3649 | static void i9xx_crtc_enable(struct drm_crtc *crtc) |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 3650 | { |
| 3651 | struct drm_device *dev = crtc->dev; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3652 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 3653 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Daniel Vetter | ef9c3ae | 2012-06-29 22:40:09 +0200 | [diff] [blame] | 3654 | struct intel_encoder *encoder; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3655 | int pipe = intel_crtc->pipe; |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 3656 | int plane = intel_crtc->plane; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3657 | |
Daniel Vetter | 08a4846 | 2012-07-02 11:43:47 +0200 | [diff] [blame] | 3658 | WARN_ON(!crtc->enabled); |
| 3659 | |
Chris Wilson | f7abfe8 | 2010-09-13 14:19:16 +0100 | [diff] [blame] | 3660 | if (intel_crtc->active) |
| 3661 | return; |
| 3662 | |
| 3663 | intel_crtc->active = true; |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 3664 | intel_update_watermarks(dev); |
| 3665 | |
Jesse Barnes | 63d7bbe | 2011-01-04 15:09:33 -0800 | [diff] [blame] | 3666 | intel_enable_pll(dev_priv, pipe); |
Jesse Barnes | 040484a | 2011-01-03 12:14:26 -0800 | [diff] [blame] | 3667 | intel_enable_pipe(dev_priv, pipe, false); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 3668 | intel_enable_plane(dev_priv, plane, pipe); |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3669 | |
| 3670 | intel_crtc_load_lut(crtc); |
Chris Wilson | bed4a67 | 2010-09-11 10:47:47 +0100 | [diff] [blame] | 3671 | intel_update_fbc(dev); |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3672 | |
| 3673 | /* Give the overlay scaler a chance to enable if it's on this pipe */ |
| 3674 | intel_crtc_dpms_overlay(intel_crtc, true); |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 3675 | intel_crtc_update_cursor(crtc, true); |
Daniel Vetter | ef9c3ae | 2012-06-29 22:40:09 +0200 | [diff] [blame] | 3676 | |
Daniel Vetter | fa5c73b | 2012-07-01 23:24:36 +0200 | [diff] [blame] | 3677 | for_each_encoder_on_crtc(dev, crtc, encoder) |
| 3678 | encoder->enable(encoder); |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3679 | } |
| 3680 | |
| 3681 | static void i9xx_crtc_disable(struct drm_crtc *crtc) |
| 3682 | { |
| 3683 | struct drm_device *dev = crtc->dev; |
| 3684 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 3685 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Daniel Vetter | ef9c3ae | 2012-06-29 22:40:09 +0200 | [diff] [blame] | 3686 | struct intel_encoder *encoder; |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3687 | int pipe = intel_crtc->pipe; |
| 3688 | int plane = intel_crtc->plane; |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3689 | |
Daniel Vetter | ef9c3ae | 2012-06-29 22:40:09 +0200 | [diff] [blame] | 3690 | |
Chris Wilson | f7abfe8 | 2010-09-13 14:19:16 +0100 | [diff] [blame] | 3691 | if (!intel_crtc->active) |
| 3692 | return; |
| 3693 | |
Daniel Vetter | ea9d758 | 2012-07-10 10:42:52 +0200 | [diff] [blame] | 3694 | for_each_encoder_on_crtc(dev, crtc, encoder) |
| 3695 | encoder->disable(encoder); |
| 3696 | |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3697 | /* Give the overlay scaler a chance to disable if it's on this pipe */ |
Chris Wilson | e6c3a2a | 2010-09-23 23:04:43 +0100 | [diff] [blame] | 3698 | intel_crtc_wait_for_pending_flips(crtc); |
| 3699 | drm_vblank_off(dev, pipe); |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3700 | intel_crtc_dpms_overlay(intel_crtc, false); |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 3701 | intel_crtc_update_cursor(crtc, false); |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3702 | |
Chris Wilson | 973d04f | 2011-07-08 12:22:37 +0100 | [diff] [blame] | 3703 | if (dev_priv->cfb_plane == plane) |
| 3704 | intel_disable_fbc(dev); |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3705 | |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 3706 | intel_disable_plane(dev_priv, plane, pipe); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 3707 | intel_disable_pipe(dev_priv, pipe); |
Jesse Barnes | 63d7bbe | 2011-01-04 15:09:33 -0800 | [diff] [blame] | 3708 | intel_disable_pll(dev_priv, pipe); |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3709 | |
Chris Wilson | f7abfe8 | 2010-09-13 14:19:16 +0100 | [diff] [blame] | 3710 | intel_crtc->active = false; |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 3711 | intel_update_fbc(dev); |
| 3712 | intel_update_watermarks(dev); |
Jesse Barnes | 0b8765c6 | 2010-09-10 10:31:34 -0700 | [diff] [blame] | 3713 | } |
| 3714 | |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3715 | static void i9xx_crtc_off(struct drm_crtc *crtc) |
| 3716 | { |
| 3717 | } |
| 3718 | |
Daniel Vetter | 976f8a2 | 2012-07-08 22:34:21 +0200 | [diff] [blame] | 3719 | static void intel_crtc_update_sarea(struct drm_crtc *crtc, |
| 3720 | bool enabled) |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 3721 | { |
| 3722 | struct drm_device *dev = crtc->dev; |
| 3723 | struct drm_i915_master_private *master_priv; |
| 3724 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 3725 | int pipe = intel_crtc->pipe; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3726 | |
| 3727 | if (!dev->primary->master) |
| 3728 | return; |
| 3729 | |
| 3730 | master_priv = dev->primary->master->driver_priv; |
| 3731 | if (!master_priv->sarea_priv) |
| 3732 | return; |
| 3733 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3734 | switch (pipe) { |
| 3735 | case 0: |
| 3736 | master_priv->sarea_priv->pipeA_w = enabled ? crtc->mode.hdisplay : 0; |
| 3737 | master_priv->sarea_priv->pipeA_h = enabled ? crtc->mode.vdisplay : 0; |
| 3738 | break; |
| 3739 | case 1: |
| 3740 | master_priv->sarea_priv->pipeB_w = enabled ? crtc->mode.hdisplay : 0; |
| 3741 | master_priv->sarea_priv->pipeB_h = enabled ? crtc->mode.vdisplay : 0; |
| 3742 | break; |
| 3743 | default: |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 3744 | DRM_ERROR("Can't update pipe %c in SAREA\n", pipe_name(pipe)); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3745 | break; |
| 3746 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3747 | } |
| 3748 | |
Daniel Vetter | 976f8a2 | 2012-07-08 22:34:21 +0200 | [diff] [blame] | 3749 | /** |
| 3750 | * Sets the power management mode of the pipe and plane. |
| 3751 | */ |
| 3752 | void intel_crtc_update_dpms(struct drm_crtc *crtc) |
Chris Wilson | cdd5998 | 2010-09-08 16:30:16 +0100 | [diff] [blame] | 3753 | { |
Chris Wilson | cdd5998 | 2010-09-08 16:30:16 +0100 | [diff] [blame] | 3754 | struct drm_device *dev = crtc->dev; |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3755 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 976f8a2 | 2012-07-08 22:34:21 +0200 | [diff] [blame] | 3756 | struct intel_encoder *intel_encoder; |
| 3757 | bool enable = false; |
Chris Wilson | cdd5998 | 2010-09-08 16:30:16 +0100 | [diff] [blame] | 3758 | |
Daniel Vetter | 976f8a2 | 2012-07-08 22:34:21 +0200 | [diff] [blame] | 3759 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
| 3760 | enable |= intel_encoder->connectors_active; |
| 3761 | |
| 3762 | if (enable) |
| 3763 | dev_priv->display.crtc_enable(crtc); |
| 3764 | else |
| 3765 | dev_priv->display.crtc_disable(crtc); |
| 3766 | |
| 3767 | intel_crtc_update_sarea(crtc, enable); |
| 3768 | } |
| 3769 | |
| 3770 | static void intel_crtc_noop(struct drm_crtc *crtc) |
| 3771 | { |
| 3772 | } |
| 3773 | |
| 3774 | static void intel_crtc_disable(struct drm_crtc *crtc) |
| 3775 | { |
| 3776 | struct drm_device *dev = crtc->dev; |
| 3777 | struct drm_connector *connector; |
| 3778 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 3779 | |
| 3780 | /* crtc should still be enabled when we disable it. */ |
| 3781 | WARN_ON(!crtc->enabled); |
| 3782 | |
| 3783 | dev_priv->display.crtc_disable(crtc); |
| 3784 | intel_crtc_update_sarea(crtc, false); |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 3785 | dev_priv->display.off(crtc); |
| 3786 | |
Chris Wilson | 931872f | 2012-01-16 23:01:13 +0000 | [diff] [blame] | 3787 | assert_plane_disabled(dev->dev_private, to_intel_crtc(crtc)->plane); |
| 3788 | assert_pipe_disabled(dev->dev_private, to_intel_crtc(crtc)->pipe); |
Chris Wilson | cdd5998 | 2010-09-08 16:30:16 +0100 | [diff] [blame] | 3789 | |
| 3790 | if (crtc->fb) { |
| 3791 | mutex_lock(&dev->struct_mutex); |
Chris Wilson | 1690e1e | 2011-12-14 13:57:08 +0100 | [diff] [blame] | 3792 | intel_unpin_fb_obj(to_intel_framebuffer(crtc->fb)->obj); |
Chris Wilson | cdd5998 | 2010-09-08 16:30:16 +0100 | [diff] [blame] | 3793 | mutex_unlock(&dev->struct_mutex); |
Daniel Vetter | 976f8a2 | 2012-07-08 22:34:21 +0200 | [diff] [blame] | 3794 | crtc->fb = NULL; |
| 3795 | } |
| 3796 | |
| 3797 | /* Update computed state. */ |
| 3798 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
| 3799 | if (!connector->encoder || !connector->encoder->crtc) |
| 3800 | continue; |
| 3801 | |
| 3802 | if (connector->encoder->crtc != crtc) |
| 3803 | continue; |
| 3804 | |
| 3805 | connector->dpms = DRM_MODE_DPMS_OFF; |
| 3806 | to_intel_encoder(connector->encoder)->connectors_active = false; |
Chris Wilson | cdd5998 | 2010-09-08 16:30:16 +0100 | [diff] [blame] | 3807 | } |
| 3808 | } |
| 3809 | |
Daniel Vetter | a261b24 | 2012-07-26 19:21:47 +0200 | [diff] [blame] | 3810 | void intel_modeset_disable(struct drm_device *dev) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3811 | { |
Daniel Vetter | a261b24 | 2012-07-26 19:21:47 +0200 | [diff] [blame] | 3812 | struct drm_crtc *crtc; |
| 3813 | |
| 3814 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 3815 | if (crtc->enabled) |
| 3816 | intel_crtc_disable(crtc); |
| 3817 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3818 | } |
| 3819 | |
Daniel Vetter | 1f70385 | 2012-07-11 16:51:39 +0200 | [diff] [blame] | 3820 | void intel_encoder_noop(struct drm_encoder *encoder) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3821 | { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3822 | } |
| 3823 | |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 3824 | void intel_encoder_destroy(struct drm_encoder *encoder) |
| 3825 | { |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 3826 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 3827 | |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 3828 | drm_encoder_cleanup(encoder); |
| 3829 | kfree(intel_encoder); |
| 3830 | } |
| 3831 | |
Daniel Vetter | 5ab432e | 2012-06-30 08:59:56 +0200 | [diff] [blame] | 3832 | /* Simple dpms helper for encodres with just one connector, no cloning and only |
| 3833 | * one kind of off state. It clamps all !ON modes to fully OFF and changes the |
| 3834 | * state of the entire output pipe. */ |
| 3835 | void intel_encoder_dpms(struct intel_encoder *encoder, int mode) |
| 3836 | { |
| 3837 | if (mode == DRM_MODE_DPMS_ON) { |
| 3838 | encoder->connectors_active = true; |
| 3839 | |
Daniel Vetter | b2cabb0 | 2012-07-01 22:42:24 +0200 | [diff] [blame] | 3840 | intel_crtc_update_dpms(encoder->base.crtc); |
Daniel Vetter | 5ab432e | 2012-06-30 08:59:56 +0200 | [diff] [blame] | 3841 | } else { |
| 3842 | encoder->connectors_active = false; |
| 3843 | |
Daniel Vetter | b2cabb0 | 2012-07-01 22:42:24 +0200 | [diff] [blame] | 3844 | intel_crtc_update_dpms(encoder->base.crtc); |
Daniel Vetter | 5ab432e | 2012-06-30 08:59:56 +0200 | [diff] [blame] | 3845 | } |
| 3846 | } |
| 3847 | |
Daniel Vetter | 0a91ca2 | 2012-07-02 21:54:27 +0200 | [diff] [blame] | 3848 | /* Cross check the actual hw state with our own modeset state tracking (and it's |
| 3849 | * internal consistency). */ |
Daniel Vetter | b980514 | 2012-08-31 17:37:33 +0200 | [diff] [blame] | 3850 | static void intel_connector_check_state(struct intel_connector *connector) |
Daniel Vetter | 0a91ca2 | 2012-07-02 21:54:27 +0200 | [diff] [blame] | 3851 | { |
| 3852 | if (connector->get_hw_state(connector)) { |
| 3853 | struct intel_encoder *encoder = connector->encoder; |
| 3854 | struct drm_crtc *crtc; |
| 3855 | bool encoder_enabled; |
| 3856 | enum pipe pipe; |
| 3857 | |
| 3858 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
| 3859 | connector->base.base.id, |
| 3860 | drm_get_connector_name(&connector->base)); |
| 3861 | |
| 3862 | WARN(connector->base.dpms == DRM_MODE_DPMS_OFF, |
| 3863 | "wrong connector dpms state\n"); |
| 3864 | WARN(connector->base.encoder != &encoder->base, |
| 3865 | "active connector not linked to encoder\n"); |
| 3866 | WARN(!encoder->connectors_active, |
| 3867 | "encoder->connectors_active not set\n"); |
| 3868 | |
| 3869 | encoder_enabled = encoder->get_hw_state(encoder, &pipe); |
| 3870 | WARN(!encoder_enabled, "encoder not enabled\n"); |
| 3871 | if (WARN_ON(!encoder->base.crtc)) |
| 3872 | return; |
| 3873 | |
| 3874 | crtc = encoder->base.crtc; |
| 3875 | |
| 3876 | WARN(!crtc->enabled, "crtc not enabled\n"); |
| 3877 | WARN(!to_intel_crtc(crtc)->active, "crtc not active\n"); |
| 3878 | WARN(pipe != to_intel_crtc(crtc)->pipe, |
| 3879 | "encoder active on the wrong pipe\n"); |
| 3880 | } |
| 3881 | } |
| 3882 | |
Daniel Vetter | 5ab432e | 2012-06-30 08:59:56 +0200 | [diff] [blame] | 3883 | /* Even simpler default implementation, if there's really no special case to |
| 3884 | * consider. */ |
| 3885 | void intel_connector_dpms(struct drm_connector *connector, int mode) |
| 3886 | { |
| 3887 | struct intel_encoder *encoder = intel_attached_encoder(connector); |
| 3888 | |
| 3889 | /* All the simple cases only support two dpms states. */ |
| 3890 | if (mode != DRM_MODE_DPMS_ON) |
| 3891 | mode = DRM_MODE_DPMS_OFF; |
| 3892 | |
| 3893 | if (mode == connector->dpms) |
| 3894 | return; |
| 3895 | |
| 3896 | connector->dpms = mode; |
| 3897 | |
| 3898 | /* Only need to change hw state when actually enabled */ |
| 3899 | if (encoder->base.crtc) |
| 3900 | intel_encoder_dpms(encoder, mode); |
| 3901 | else |
Daniel Vetter | 8af6cf8 | 2012-07-10 09:50:11 +0200 | [diff] [blame] | 3902 | WARN_ON(encoder->connectors_active != false); |
Daniel Vetter | 0a91ca2 | 2012-07-02 21:54:27 +0200 | [diff] [blame] | 3903 | |
Daniel Vetter | b980514 | 2012-08-31 17:37:33 +0200 | [diff] [blame] | 3904 | intel_modeset_check_state(connector->dev); |
Daniel Vetter | 5ab432e | 2012-06-30 08:59:56 +0200 | [diff] [blame] | 3905 | } |
| 3906 | |
Daniel Vetter | f0947c3 | 2012-07-02 13:10:34 +0200 | [diff] [blame] | 3907 | /* Simple connector->get_hw_state implementation for encoders that support only |
| 3908 | * one connector and no cloning and hence the encoder state determines the state |
| 3909 | * of the connector. */ |
| 3910 | bool intel_connector_get_hw_state(struct intel_connector *connector) |
| 3911 | { |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 3912 | enum pipe pipe = 0; |
Daniel Vetter | f0947c3 | 2012-07-02 13:10:34 +0200 | [diff] [blame] | 3913 | struct intel_encoder *encoder = connector->encoder; |
| 3914 | |
| 3915 | return encoder->get_hw_state(encoder, &pipe); |
| 3916 | } |
| 3917 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3918 | static bool intel_crtc_mode_fixup(struct drm_crtc *crtc, |
Daniel Vetter | 35313cd | 2012-07-20 10:30:45 +0200 | [diff] [blame] | 3919 | const struct drm_display_mode *mode, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3920 | struct drm_display_mode *adjusted_mode) |
| 3921 | { |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 3922 | struct drm_device *dev = crtc->dev; |
Chris Wilson | 8974935 | 2010-09-12 18:25:19 +0100 | [diff] [blame] | 3923 | |
Eric Anholt | bad720f | 2009-10-22 16:11:14 -0700 | [diff] [blame] | 3924 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 3925 | /* FDI link clock is fixed at 2.7G */ |
Jesse Barnes | 2377b74 | 2010-07-07 14:06:43 -0700 | [diff] [blame] | 3926 | if (mode->clock * 3 > IRONLAKE_FDI_FREQ * 4) |
| 3927 | return false; |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 3928 | } |
Chris Wilson | 8974935 | 2010-09-12 18:25:19 +0100 | [diff] [blame] | 3929 | |
Daniel Vetter | f9bef08 | 2012-04-15 19:53:19 +0200 | [diff] [blame] | 3930 | /* All interlaced capable intel hw wants timings in frames. Note though |
| 3931 | * that intel_lvds_mode_fixup does some funny tricks with the crtc |
| 3932 | * timings, so we need to be careful not to clobber these.*/ |
| 3933 | if (!(adjusted_mode->private_flags & INTEL_MODE_CRTC_TIMINGS_SET)) |
| 3934 | drm_mode_set_crtcinfo(adjusted_mode, 0); |
Chris Wilson | 8974935 | 2010-09-12 18:25:19 +0100 | [diff] [blame] | 3935 | |
Chris Wilson | 44f46b42 | 2012-06-21 13:19:59 +0300 | [diff] [blame] | 3936 | /* WaPruneModeWithIncorrectHsyncOffset: Cantiga+ cannot handle modes |
| 3937 | * with a hsync front porch of 0. |
| 3938 | */ |
| 3939 | if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) && |
| 3940 | adjusted_mode->hsync_start == adjusted_mode->hdisplay) |
| 3941 | return false; |
| 3942 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3943 | return true; |
| 3944 | } |
| 3945 | |
Jesse Barnes | 25eb05fc | 2012-03-28 13:39:23 -0700 | [diff] [blame] | 3946 | static int valleyview_get_display_clock_speed(struct drm_device *dev) |
| 3947 | { |
| 3948 | return 400000; /* FIXME */ |
| 3949 | } |
| 3950 | |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 3951 | static int i945_get_display_clock_speed(struct drm_device *dev) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3952 | { |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 3953 | return 400000; |
| 3954 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3955 | |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 3956 | static int i915_get_display_clock_speed(struct drm_device *dev) |
| 3957 | { |
| 3958 | return 333000; |
| 3959 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3960 | |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 3961 | static int i9xx_misc_get_display_clock_speed(struct drm_device *dev) |
| 3962 | { |
| 3963 | return 200000; |
| 3964 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3965 | |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 3966 | static int i915gm_get_display_clock_speed(struct drm_device *dev) |
| 3967 | { |
| 3968 | u16 gcfgc = 0; |
| 3969 | |
| 3970 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
| 3971 | |
| 3972 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3973 | return 133000; |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 3974 | else { |
| 3975 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { |
| 3976 | case GC_DISPLAY_CLOCK_333_MHZ: |
| 3977 | return 333000; |
| 3978 | default: |
| 3979 | case GC_DISPLAY_CLOCK_190_200_MHZ: |
| 3980 | return 190000; |
| 3981 | } |
| 3982 | } |
| 3983 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 3984 | |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 3985 | static int i865_get_display_clock_speed(struct drm_device *dev) |
| 3986 | { |
| 3987 | return 266000; |
| 3988 | } |
| 3989 | |
| 3990 | static int i855_get_display_clock_speed(struct drm_device *dev) |
| 3991 | { |
| 3992 | u16 hpllcc = 0; |
| 3993 | /* Assume that the hardware is in the high speed state. This |
| 3994 | * should be the default. |
| 3995 | */ |
| 3996 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { |
| 3997 | case GC_CLOCK_133_200: |
| 3998 | case GC_CLOCK_100_200: |
| 3999 | return 200000; |
| 4000 | case GC_CLOCK_166_250: |
| 4001 | return 250000; |
| 4002 | case GC_CLOCK_100_133: |
| 4003 | return 133000; |
| 4004 | } |
| 4005 | |
| 4006 | /* Shouldn't happen */ |
| 4007 | return 0; |
| 4008 | } |
| 4009 | |
| 4010 | static int i830_get_display_clock_speed(struct drm_device *dev) |
| 4011 | { |
| 4012 | return 133000; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 4013 | } |
| 4014 | |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 4015 | struct fdi_m_n { |
| 4016 | u32 tu; |
| 4017 | u32 gmch_m; |
| 4018 | u32 gmch_n; |
| 4019 | u32 link_m; |
| 4020 | u32 link_n; |
| 4021 | }; |
| 4022 | |
| 4023 | static void |
| 4024 | fdi_reduce_ratio(u32 *num, u32 *den) |
| 4025 | { |
| 4026 | while (*num > 0xffffff || *den > 0xffffff) { |
| 4027 | *num >>= 1; |
| 4028 | *den >>= 1; |
| 4029 | } |
| 4030 | } |
| 4031 | |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 4032 | static void |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 4033 | ironlake_compute_m_n(int bits_per_pixel, int nlanes, int pixel_clock, |
| 4034 | int link_clock, struct fdi_m_n *m_n) |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 4035 | { |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 4036 | m_n->tu = 64; /* default size */ |
| 4037 | |
Chris Wilson | 22ed111 | 2010-12-04 01:01:29 +0000 | [diff] [blame] | 4038 | /* BUG_ON(pixel_clock > INT_MAX / 36); */ |
| 4039 | m_n->gmch_m = bits_per_pixel * pixel_clock; |
| 4040 | m_n->gmch_n = link_clock * nlanes * 8; |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 4041 | fdi_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n); |
| 4042 | |
Chris Wilson | 22ed111 | 2010-12-04 01:01:29 +0000 | [diff] [blame] | 4043 | m_n->link_m = pixel_clock; |
| 4044 | m_n->link_n = link_clock; |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 4045 | fdi_reduce_ratio(&m_n->link_m, &m_n->link_n); |
| 4046 | } |
| 4047 | |
Chris Wilson | a761503 | 2011-01-12 17:04:08 +0000 | [diff] [blame] | 4048 | static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) |
| 4049 | { |
Keith Packard | 72bbe58 | 2011-09-26 16:09:45 -0700 | [diff] [blame] | 4050 | if (i915_panel_use_ssc >= 0) |
| 4051 | return i915_panel_use_ssc != 0; |
| 4052 | return dev_priv->lvds_use_ssc |
Keith Packard | 435793d | 2011-07-12 14:56:22 -0700 | [diff] [blame] | 4053 | && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); |
Chris Wilson | a761503 | 2011-01-12 17:04:08 +0000 | [diff] [blame] | 4054 | } |
| 4055 | |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4056 | /** |
| 4057 | * intel_choose_pipe_bpp_dither - figure out what color depth the pipe should send |
| 4058 | * @crtc: CRTC structure |
Adam Jackson | 3b5c78a | 2011-12-13 15:41:00 -0800 | [diff] [blame] | 4059 | * @mode: requested mode |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4060 | * |
| 4061 | * A pipe may be connected to one or more outputs. Based on the depth of the |
| 4062 | * attached framebuffer, choose a good color depth to use on the pipe. |
| 4063 | * |
| 4064 | * If possible, match the pipe depth to the fb depth. In some cases, this |
| 4065 | * isn't ideal, because the connected output supports a lesser or restricted |
| 4066 | * set of depths. Resolve that here: |
| 4067 | * LVDS typically supports only 6bpc, so clamp down in that case |
| 4068 | * HDMI supports only 8bpc or 12bpc, so clamp to 8bpc with dither for 10bpc |
| 4069 | * Displays may support a restricted set as well, check EDID and clamp as |
| 4070 | * appropriate. |
Adam Jackson | 3b5c78a | 2011-12-13 15:41:00 -0800 | [diff] [blame] | 4071 | * DP may want to dither down to 6bpc to fit larger modes |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4072 | * |
| 4073 | * RETURNS: |
| 4074 | * Dithering requirement (i.e. false if display bpc and pipe bpc match, |
| 4075 | * true if they don't match). |
| 4076 | */ |
| 4077 | static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 4078 | struct drm_framebuffer *fb, |
Adam Jackson | 3b5c78a | 2011-12-13 15:41:00 -0800 | [diff] [blame] | 4079 | unsigned int *pipe_bpp, |
| 4080 | struct drm_display_mode *mode) |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4081 | { |
| 4082 | struct drm_device *dev = crtc->dev; |
| 4083 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4084 | struct drm_connector *connector; |
Daniel Vetter | 6c2b7c12 | 2012-07-05 09:50:24 +0200 | [diff] [blame] | 4085 | struct intel_encoder *intel_encoder; |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4086 | unsigned int display_bpc = UINT_MAX, bpc; |
| 4087 | |
| 4088 | /* Walk the encoders & connectors on this crtc, get min bpc */ |
Daniel Vetter | 6c2b7c12 | 2012-07-05 09:50:24 +0200 | [diff] [blame] | 4089 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) { |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4090 | |
| 4091 | if (intel_encoder->type == INTEL_OUTPUT_LVDS) { |
| 4092 | unsigned int lvds_bpc; |
| 4093 | |
| 4094 | if ((I915_READ(PCH_LVDS) & LVDS_A3_POWER_MASK) == |
| 4095 | LVDS_A3_POWER_UP) |
| 4096 | lvds_bpc = 8; |
| 4097 | else |
| 4098 | lvds_bpc = 6; |
| 4099 | |
| 4100 | if (lvds_bpc < display_bpc) { |
Adam Jackson | 8282049 | 2011-10-10 16:33:34 -0400 | [diff] [blame] | 4101 | DRM_DEBUG_KMS("clamping display bpc (was %d) to LVDS (%d)\n", display_bpc, lvds_bpc); |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4102 | display_bpc = lvds_bpc; |
| 4103 | } |
| 4104 | continue; |
| 4105 | } |
| 4106 | |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4107 | /* Not one of the known troublemakers, check the EDID */ |
| 4108 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
| 4109 | head) { |
Daniel Vetter | 6c2b7c12 | 2012-07-05 09:50:24 +0200 | [diff] [blame] | 4110 | if (connector->encoder != &intel_encoder->base) |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4111 | continue; |
| 4112 | |
Jesse Barnes | 62ac41a | 2011-07-28 12:55:14 -0700 | [diff] [blame] | 4113 | /* Don't use an invalid EDID bpc value */ |
| 4114 | if (connector->display_info.bpc && |
| 4115 | connector->display_info.bpc < display_bpc) { |
Adam Jackson | 8282049 | 2011-10-10 16:33:34 -0400 | [diff] [blame] | 4116 | DRM_DEBUG_KMS("clamping display bpc (was %d) to EDID reported max of %d\n", display_bpc, connector->display_info.bpc); |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4117 | display_bpc = connector->display_info.bpc; |
| 4118 | } |
| 4119 | } |
| 4120 | |
| 4121 | /* |
| 4122 | * HDMI is either 12 or 8, so if the display lets 10bpc sneak |
| 4123 | * through, clamp it down. (Note: >12bpc will be caught below.) |
| 4124 | */ |
| 4125 | if (intel_encoder->type == INTEL_OUTPUT_HDMI) { |
| 4126 | if (display_bpc > 8 && display_bpc < 12) { |
Adam Jackson | 8282049 | 2011-10-10 16:33:34 -0400 | [diff] [blame] | 4127 | DRM_DEBUG_KMS("forcing bpc to 12 for HDMI\n"); |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4128 | display_bpc = 12; |
| 4129 | } else { |
Adam Jackson | 8282049 | 2011-10-10 16:33:34 -0400 | [diff] [blame] | 4130 | DRM_DEBUG_KMS("forcing bpc to 8 for HDMI\n"); |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4131 | display_bpc = 8; |
| 4132 | } |
| 4133 | } |
| 4134 | } |
| 4135 | |
Adam Jackson | 3b5c78a | 2011-12-13 15:41:00 -0800 | [diff] [blame] | 4136 | if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) { |
| 4137 | DRM_DEBUG_KMS("Dithering DP to 6bpc\n"); |
| 4138 | display_bpc = 6; |
| 4139 | } |
| 4140 | |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4141 | /* |
| 4142 | * We could just drive the pipe at the highest bpc all the time and |
| 4143 | * enable dithering as needed, but that costs bandwidth. So choose |
| 4144 | * the minimum value that expresses the full color range of the fb but |
| 4145 | * also stays within the max display bpc discovered above. |
| 4146 | */ |
| 4147 | |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 4148 | switch (fb->depth) { |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4149 | case 8: |
| 4150 | bpc = 8; /* since we go through a colormap */ |
| 4151 | break; |
| 4152 | case 15: |
| 4153 | case 16: |
| 4154 | bpc = 6; /* min is 18bpp */ |
| 4155 | break; |
| 4156 | case 24: |
Keith Packard | 578393c | 2011-09-05 11:53:21 -0700 | [diff] [blame] | 4157 | bpc = 8; |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4158 | break; |
| 4159 | case 30: |
Keith Packard | 578393c | 2011-09-05 11:53:21 -0700 | [diff] [blame] | 4160 | bpc = 10; |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4161 | break; |
| 4162 | case 48: |
Keith Packard | 578393c | 2011-09-05 11:53:21 -0700 | [diff] [blame] | 4163 | bpc = 12; |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4164 | break; |
| 4165 | default: |
| 4166 | DRM_DEBUG("unsupported depth, assuming 24 bits\n"); |
| 4167 | bpc = min((unsigned int)8, display_bpc); |
| 4168 | break; |
| 4169 | } |
| 4170 | |
Keith Packard | 578393c | 2011-09-05 11:53:21 -0700 | [diff] [blame] | 4171 | display_bpc = min(display_bpc, bpc); |
| 4172 | |
Adam Jackson | 8282049 | 2011-10-10 16:33:34 -0400 | [diff] [blame] | 4173 | DRM_DEBUG_KMS("setting pipe bpc to %d (max display bpc %d)\n", |
| 4174 | bpc, display_bpc); |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4175 | |
Keith Packard | 578393c | 2011-09-05 11:53:21 -0700 | [diff] [blame] | 4176 | *pipe_bpp = display_bpc * 3; |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 4177 | |
| 4178 | return display_bpc != bpc; |
| 4179 | } |
| 4180 | |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4181 | static int vlv_get_refclk(struct drm_crtc *crtc) |
| 4182 | { |
| 4183 | struct drm_device *dev = crtc->dev; |
| 4184 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 4185 | int refclk = 27000; /* for DP & HDMI */ |
| 4186 | |
| 4187 | return 100000; /* only one validated so far */ |
| 4188 | |
| 4189 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG)) { |
| 4190 | refclk = 96000; |
| 4191 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
| 4192 | if (intel_panel_use_ssc(dev_priv)) |
| 4193 | refclk = 100000; |
| 4194 | else |
| 4195 | refclk = 96000; |
| 4196 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) { |
| 4197 | refclk = 100000; |
| 4198 | } |
| 4199 | |
| 4200 | return refclk; |
| 4201 | } |
| 4202 | |
Jesse Barnes | c65d77d | 2011-12-15 12:30:36 -0800 | [diff] [blame] | 4203 | static int i9xx_get_refclk(struct drm_crtc *crtc, int num_connectors) |
| 4204 | { |
| 4205 | struct drm_device *dev = crtc->dev; |
| 4206 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 4207 | int refclk; |
| 4208 | |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4209 | if (IS_VALLEYVIEW(dev)) { |
| 4210 | refclk = vlv_get_refclk(crtc); |
| 4211 | } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && |
Jesse Barnes | c65d77d | 2011-12-15 12:30:36 -0800 | [diff] [blame] | 4212 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
| 4213 | refclk = dev_priv->lvds_ssc_freq * 1000; |
| 4214 | DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n", |
| 4215 | refclk / 1000); |
| 4216 | } else if (!IS_GEN2(dev)) { |
| 4217 | refclk = 96000; |
| 4218 | } else { |
| 4219 | refclk = 48000; |
| 4220 | } |
| 4221 | |
| 4222 | return refclk; |
| 4223 | } |
| 4224 | |
| 4225 | static void i9xx_adjust_sdvo_tv_clock(struct drm_display_mode *adjusted_mode, |
| 4226 | intel_clock_t *clock) |
| 4227 | { |
| 4228 | /* SDVO TV has fixed PLL values depend on its clock range, |
| 4229 | this mirrors vbios setting. */ |
| 4230 | if (adjusted_mode->clock >= 100000 |
| 4231 | && adjusted_mode->clock < 140500) { |
| 4232 | clock->p1 = 2; |
| 4233 | clock->p2 = 10; |
| 4234 | clock->n = 3; |
| 4235 | clock->m1 = 16; |
| 4236 | clock->m2 = 8; |
| 4237 | } else if (adjusted_mode->clock >= 140500 |
| 4238 | && adjusted_mode->clock <= 200000) { |
| 4239 | clock->p1 = 1; |
| 4240 | clock->p2 = 10; |
| 4241 | clock->n = 6; |
| 4242 | clock->m1 = 12; |
| 4243 | clock->m2 = 8; |
| 4244 | } |
| 4245 | } |
| 4246 | |
Jesse Barnes | a7516a0 | 2011-12-15 12:30:37 -0800 | [diff] [blame] | 4247 | static void i9xx_update_pll_dividers(struct drm_crtc *crtc, |
| 4248 | intel_clock_t *clock, |
| 4249 | intel_clock_t *reduced_clock) |
| 4250 | { |
| 4251 | struct drm_device *dev = crtc->dev; |
| 4252 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 4253 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 4254 | int pipe = intel_crtc->pipe; |
| 4255 | u32 fp, fp2 = 0; |
| 4256 | |
| 4257 | if (IS_PINEVIEW(dev)) { |
| 4258 | fp = (1 << clock->n) << 16 | clock->m1 << 8 | clock->m2; |
| 4259 | if (reduced_clock) |
| 4260 | fp2 = (1 << reduced_clock->n) << 16 | |
| 4261 | reduced_clock->m1 << 8 | reduced_clock->m2; |
| 4262 | } else { |
| 4263 | fp = clock->n << 16 | clock->m1 << 8 | clock->m2; |
| 4264 | if (reduced_clock) |
| 4265 | fp2 = reduced_clock->n << 16 | reduced_clock->m1 << 8 | |
| 4266 | reduced_clock->m2; |
| 4267 | } |
| 4268 | |
| 4269 | I915_WRITE(FP0(pipe), fp); |
| 4270 | |
| 4271 | intel_crtc->lowfreq_avail = false; |
| 4272 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && |
| 4273 | reduced_clock && i915_powersave) { |
| 4274 | I915_WRITE(FP1(pipe), fp2); |
| 4275 | intel_crtc->lowfreq_avail = true; |
| 4276 | } else { |
| 4277 | I915_WRITE(FP1(pipe), fp); |
| 4278 | } |
| 4279 | } |
| 4280 | |
Daniel Vetter | 93e537a | 2012-03-28 23:11:26 +0200 | [diff] [blame] | 4281 | static void intel_update_lvds(struct drm_crtc *crtc, intel_clock_t *clock, |
| 4282 | struct drm_display_mode *adjusted_mode) |
| 4283 | { |
| 4284 | struct drm_device *dev = crtc->dev; |
| 4285 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 4286 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 4287 | int pipe = intel_crtc->pipe; |
Chris Wilson | 284d5df | 2012-04-14 17:41:59 +0100 | [diff] [blame] | 4288 | u32 temp; |
Daniel Vetter | 93e537a | 2012-03-28 23:11:26 +0200 | [diff] [blame] | 4289 | |
| 4290 | temp = I915_READ(LVDS); |
| 4291 | temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP; |
| 4292 | if (pipe == 1) { |
| 4293 | temp |= LVDS_PIPEB_SELECT; |
| 4294 | } else { |
| 4295 | temp &= ~LVDS_PIPEB_SELECT; |
| 4296 | } |
| 4297 | /* set the corresponsding LVDS_BORDER bit */ |
| 4298 | temp |= dev_priv->lvds_border_bits; |
| 4299 | /* Set the B0-B3 data pairs corresponding to whether we're going to |
| 4300 | * set the DPLLs for dual-channel mode or not. |
| 4301 | */ |
| 4302 | if (clock->p2 == 7) |
| 4303 | temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; |
| 4304 | else |
| 4305 | temp &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP); |
| 4306 | |
| 4307 | /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP) |
| 4308 | * appropriately here, but we need to look more thoroughly into how |
| 4309 | * panels behave in the two modes. |
| 4310 | */ |
| 4311 | /* set the dithering flag on LVDS as needed */ |
| 4312 | if (INTEL_INFO(dev)->gen >= 4) { |
| 4313 | if (dev_priv->lvds_dither) |
| 4314 | temp |= LVDS_ENABLE_DITHER; |
| 4315 | else |
| 4316 | temp &= ~LVDS_ENABLE_DITHER; |
| 4317 | } |
Chris Wilson | 284d5df | 2012-04-14 17:41:59 +0100 | [diff] [blame] | 4318 | temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY); |
Daniel Vetter | 93e537a | 2012-03-28 23:11:26 +0200 | [diff] [blame] | 4319 | if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) |
Chris Wilson | 284d5df | 2012-04-14 17:41:59 +0100 | [diff] [blame] | 4320 | temp |= LVDS_HSYNC_POLARITY; |
Daniel Vetter | 93e537a | 2012-03-28 23:11:26 +0200 | [diff] [blame] | 4321 | if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) |
Chris Wilson | 284d5df | 2012-04-14 17:41:59 +0100 | [diff] [blame] | 4322 | temp |= LVDS_VSYNC_POLARITY; |
Daniel Vetter | 93e537a | 2012-03-28 23:11:26 +0200 | [diff] [blame] | 4323 | I915_WRITE(LVDS, temp); |
| 4324 | } |
| 4325 | |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4326 | static void vlv_update_pll(struct drm_crtc *crtc, |
| 4327 | struct drm_display_mode *mode, |
| 4328 | struct drm_display_mode *adjusted_mode, |
| 4329 | intel_clock_t *clock, intel_clock_t *reduced_clock, |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4330 | int num_connectors) |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4331 | { |
| 4332 | struct drm_device *dev = crtc->dev; |
| 4333 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 4334 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 4335 | int pipe = intel_crtc->pipe; |
| 4336 | u32 dpll, mdiv, pdiv; |
| 4337 | u32 bestn, bestm1, bestm2, bestp1, bestp2; |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4338 | bool is_sdvo; |
| 4339 | u32 temp; |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4340 | |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4341 | is_sdvo = intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) || |
| 4342 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI); |
| 4343 | |
| 4344 | dpll = DPLL_VGA_MODE_DIS; |
| 4345 | dpll |= DPLL_EXT_BUFFER_ENABLE_VLV; |
| 4346 | dpll |= DPLL_REFA_CLK_ENABLE_VLV; |
| 4347 | dpll |= DPLL_INTEGRATED_CLOCK_VLV; |
| 4348 | |
| 4349 | I915_WRITE(DPLL(pipe), dpll); |
| 4350 | POSTING_READ(DPLL(pipe)); |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4351 | |
| 4352 | bestn = clock->n; |
| 4353 | bestm1 = clock->m1; |
| 4354 | bestm2 = clock->m2; |
| 4355 | bestp1 = clock->p1; |
| 4356 | bestp2 = clock->p2; |
| 4357 | |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4358 | /* |
| 4359 | * In Valleyview PLL and program lane counter registers are exposed |
| 4360 | * through DPIO interface |
| 4361 | */ |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4362 | mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); |
| 4363 | mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); |
| 4364 | mdiv |= ((bestn << DPIO_N_SHIFT)); |
| 4365 | mdiv |= (1 << DPIO_POST_DIV_SHIFT); |
| 4366 | mdiv |= (1 << DPIO_K_SHIFT); |
| 4367 | mdiv |= DPIO_ENABLE_CALIBRATION; |
| 4368 | intel_dpio_write(dev_priv, DPIO_DIV(pipe), mdiv); |
| 4369 | |
| 4370 | intel_dpio_write(dev_priv, DPIO_CORE_CLK(pipe), 0x01000000); |
| 4371 | |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4372 | pdiv = (1 << DPIO_REFSEL_OVERRIDE) | (5 << DPIO_PLL_MODESEL_SHIFT) | |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4373 | (3 << DPIO_BIAS_CURRENT_CTL_SHIFT) | (1<<20) | |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4374 | (7 << DPIO_PLL_REFCLK_SEL_SHIFT) | (8 << DPIO_DRIVER_CTL_SHIFT) | |
| 4375 | (5 << DPIO_CLK_BIAS_CTL_SHIFT); |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4376 | intel_dpio_write(dev_priv, DPIO_REFSFR(pipe), pdiv); |
| 4377 | |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4378 | intel_dpio_write(dev_priv, DPIO_LFP_COEFF(pipe), 0x005f003b); |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4379 | |
| 4380 | dpll |= DPLL_VCO_ENABLE; |
| 4381 | I915_WRITE(DPLL(pipe), dpll); |
| 4382 | POSTING_READ(DPLL(pipe)); |
| 4383 | if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) |
| 4384 | DRM_ERROR("DPLL %d failed to lock\n", pipe); |
| 4385 | |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4386 | intel_dpio_write(dev_priv, DPIO_FASTCLK_DISABLE, 0x620); |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4387 | |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4388 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) |
| 4389 | intel_dp_set_m_n(crtc, mode, adjusted_mode); |
| 4390 | |
| 4391 | I915_WRITE(DPLL(pipe), dpll); |
| 4392 | |
| 4393 | /* Wait for the clocks to stabilize. */ |
| 4394 | POSTING_READ(DPLL(pipe)); |
| 4395 | udelay(150); |
| 4396 | |
| 4397 | temp = 0; |
| 4398 | if (is_sdvo) { |
| 4399 | temp = intel_mode_get_pixel_multiplier(adjusted_mode); |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4400 | if (temp > 1) |
| 4401 | temp = (temp - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
| 4402 | else |
| 4403 | temp = 0; |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4404 | } |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4405 | I915_WRITE(DPLL_MD(pipe), temp); |
| 4406 | POSTING_READ(DPLL_MD(pipe)); |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4407 | |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4408 | /* Now program lane control registers */ |
| 4409 | if(intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) |
| 4410 | || intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) |
| 4411 | { |
| 4412 | temp = 0x1000C4; |
| 4413 | if(pipe == 1) |
| 4414 | temp |= (1 << 21); |
| 4415 | intel_dpio_write(dev_priv, DPIO_DATA_CHANNEL1, temp); |
| 4416 | } |
| 4417 | if(intel_pipe_has_type(crtc,INTEL_OUTPUT_EDP)) |
| 4418 | { |
| 4419 | temp = 0x1000C4; |
| 4420 | if(pipe == 1) |
| 4421 | temp |= (1 << 21); |
| 4422 | intel_dpio_write(dev_priv, DPIO_DATA_CHANNEL2, temp); |
| 4423 | } |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4424 | } |
| 4425 | |
Daniel Vetter | eb1cbe4 | 2012-03-28 23:12:16 +0200 | [diff] [blame] | 4426 | static void i9xx_update_pll(struct drm_crtc *crtc, |
| 4427 | struct drm_display_mode *mode, |
| 4428 | struct drm_display_mode *adjusted_mode, |
| 4429 | intel_clock_t *clock, intel_clock_t *reduced_clock, |
| 4430 | int num_connectors) |
| 4431 | { |
| 4432 | struct drm_device *dev = crtc->dev; |
| 4433 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 4434 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 4435 | int pipe = intel_crtc->pipe; |
| 4436 | u32 dpll; |
| 4437 | bool is_sdvo; |
| 4438 | |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4439 | i9xx_update_pll_dividers(crtc, clock, reduced_clock); |
| 4440 | |
Daniel Vetter | eb1cbe4 | 2012-03-28 23:12:16 +0200 | [diff] [blame] | 4441 | is_sdvo = intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) || |
| 4442 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI); |
| 4443 | |
| 4444 | dpll = DPLL_VGA_MODE_DIS; |
| 4445 | |
| 4446 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
| 4447 | dpll |= DPLLB_MODE_LVDS; |
| 4448 | else |
| 4449 | dpll |= DPLLB_MODE_DAC_SERIAL; |
| 4450 | if (is_sdvo) { |
| 4451 | int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode); |
| 4452 | if (pixel_multiplier > 1) { |
| 4453 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) |
| 4454 | dpll |= (pixel_multiplier - 1) << SDVO_MULTIPLIER_SHIFT_HIRES; |
| 4455 | } |
| 4456 | dpll |= DPLL_DVO_HIGH_SPEED; |
| 4457 | } |
| 4458 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) |
| 4459 | dpll |= DPLL_DVO_HIGH_SPEED; |
| 4460 | |
| 4461 | /* compute bitmask from p1 value */ |
| 4462 | if (IS_PINEVIEW(dev)) |
| 4463 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; |
| 4464 | else { |
| 4465 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
| 4466 | if (IS_G4X(dev) && reduced_clock) |
| 4467 | dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
| 4468 | } |
| 4469 | switch (clock->p2) { |
| 4470 | case 5: |
| 4471 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; |
| 4472 | break; |
| 4473 | case 7: |
| 4474 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; |
| 4475 | break; |
| 4476 | case 10: |
| 4477 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; |
| 4478 | break; |
| 4479 | case 14: |
| 4480 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; |
| 4481 | break; |
| 4482 | } |
| 4483 | if (INTEL_INFO(dev)->gen >= 4) |
| 4484 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); |
| 4485 | |
| 4486 | if (is_sdvo && intel_pipe_has_type(crtc, INTEL_OUTPUT_TVOUT)) |
| 4487 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
| 4488 | else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_TVOUT)) |
| 4489 | /* XXX: just matching BIOS for now */ |
| 4490 | /* dpll |= PLL_REF_INPUT_TVCLKINBC; */ |
| 4491 | dpll |= 3; |
| 4492 | else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && |
| 4493 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
| 4494 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
| 4495 | else |
| 4496 | dpll |= PLL_REF_INPUT_DREFCLK; |
| 4497 | |
| 4498 | dpll |= DPLL_VCO_ENABLE; |
| 4499 | I915_WRITE(DPLL(pipe), dpll & ~DPLL_VCO_ENABLE); |
| 4500 | POSTING_READ(DPLL(pipe)); |
| 4501 | udelay(150); |
| 4502 | |
| 4503 | /* The LVDS pin pair needs to be on before the DPLLs are enabled. |
| 4504 | * This is an exception to the general rule that mode_set doesn't turn |
| 4505 | * things on. |
| 4506 | */ |
| 4507 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
| 4508 | intel_update_lvds(crtc, clock, adjusted_mode); |
| 4509 | |
| 4510 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) |
| 4511 | intel_dp_set_m_n(crtc, mode, adjusted_mode); |
| 4512 | |
| 4513 | I915_WRITE(DPLL(pipe), dpll); |
| 4514 | |
| 4515 | /* Wait for the clocks to stabilize. */ |
| 4516 | POSTING_READ(DPLL(pipe)); |
| 4517 | udelay(150); |
| 4518 | |
| 4519 | if (INTEL_INFO(dev)->gen >= 4) { |
| 4520 | u32 temp = 0; |
| 4521 | if (is_sdvo) { |
| 4522 | temp = intel_mode_get_pixel_multiplier(adjusted_mode); |
| 4523 | if (temp > 1) |
| 4524 | temp = (temp - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
| 4525 | else |
| 4526 | temp = 0; |
| 4527 | } |
| 4528 | I915_WRITE(DPLL_MD(pipe), temp); |
| 4529 | } else { |
| 4530 | /* The pixel multiplier can only be updated once the |
| 4531 | * DPLL is enabled and the clocks are stable. |
| 4532 | * |
| 4533 | * So write it again. |
| 4534 | */ |
| 4535 | I915_WRITE(DPLL(pipe), dpll); |
| 4536 | } |
| 4537 | } |
| 4538 | |
| 4539 | static void i8xx_update_pll(struct drm_crtc *crtc, |
| 4540 | struct drm_display_mode *adjusted_mode, |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4541 | intel_clock_t *clock, intel_clock_t *reduced_clock, |
Daniel Vetter | eb1cbe4 | 2012-03-28 23:12:16 +0200 | [diff] [blame] | 4542 | int num_connectors) |
| 4543 | { |
| 4544 | struct drm_device *dev = crtc->dev; |
| 4545 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 4546 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 4547 | int pipe = intel_crtc->pipe; |
| 4548 | u32 dpll; |
| 4549 | |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4550 | i9xx_update_pll_dividers(crtc, clock, reduced_clock); |
| 4551 | |
Daniel Vetter | eb1cbe4 | 2012-03-28 23:12:16 +0200 | [diff] [blame] | 4552 | dpll = DPLL_VGA_MODE_DIS; |
| 4553 | |
| 4554 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { |
| 4555 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
| 4556 | } else { |
| 4557 | if (clock->p1 == 2) |
| 4558 | dpll |= PLL_P1_DIVIDE_BY_TWO; |
| 4559 | else |
| 4560 | dpll |= (clock->p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
| 4561 | if (clock->p2 == 4) |
| 4562 | dpll |= PLL_P2_DIVIDE_BY_4; |
| 4563 | } |
| 4564 | |
| 4565 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_TVOUT)) |
| 4566 | /* XXX: just matching BIOS for now */ |
| 4567 | /* dpll |= PLL_REF_INPUT_TVCLKINBC; */ |
| 4568 | dpll |= 3; |
| 4569 | else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && |
| 4570 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
| 4571 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
| 4572 | else |
| 4573 | dpll |= PLL_REF_INPUT_DREFCLK; |
| 4574 | |
| 4575 | dpll |= DPLL_VCO_ENABLE; |
| 4576 | I915_WRITE(DPLL(pipe), dpll & ~DPLL_VCO_ENABLE); |
| 4577 | POSTING_READ(DPLL(pipe)); |
| 4578 | udelay(150); |
| 4579 | |
Daniel Vetter | eb1cbe4 | 2012-03-28 23:12:16 +0200 | [diff] [blame] | 4580 | /* The LVDS pin pair needs to be on before the DPLLs are enabled. |
| 4581 | * This is an exception to the general rule that mode_set doesn't turn |
| 4582 | * things on. |
| 4583 | */ |
| 4584 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) |
| 4585 | intel_update_lvds(crtc, clock, adjusted_mode); |
| 4586 | |
Daniel Vetter | 5b5896e | 2012-09-11 12:37:55 +0200 | [diff] [blame] | 4587 | I915_WRITE(DPLL(pipe), dpll); |
| 4588 | |
| 4589 | /* Wait for the clocks to stabilize. */ |
| 4590 | POSTING_READ(DPLL(pipe)); |
| 4591 | udelay(150); |
| 4592 | |
Daniel Vetter | eb1cbe4 | 2012-03-28 23:12:16 +0200 | [diff] [blame] | 4593 | /* The pixel multiplier can only be updated once the |
| 4594 | * DPLL is enabled and the clocks are stable. |
| 4595 | * |
| 4596 | * So write it again. |
| 4597 | */ |
| 4598 | I915_WRITE(DPLL(pipe), dpll); |
| 4599 | } |
| 4600 | |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4601 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc, |
| 4602 | struct drm_display_mode *mode, |
| 4603 | struct drm_display_mode *adjusted_mode) |
| 4604 | { |
| 4605 | struct drm_device *dev = intel_crtc->base.dev; |
| 4606 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 4607 | enum pipe pipe = intel_crtc->pipe; |
Paulo Zanoni | fe2b8f9 | 2012-10-23 18:30:02 -0200 | [diff] [blame] | 4608 | enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4609 | uint32_t vsyncshift; |
| 4610 | |
| 4611 | if (!IS_GEN2(dev) && adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { |
| 4612 | /* the chip adds 2 halflines automatically */ |
| 4613 | adjusted_mode->crtc_vtotal -= 1; |
| 4614 | adjusted_mode->crtc_vblank_end -= 1; |
| 4615 | vsyncshift = adjusted_mode->crtc_hsync_start |
| 4616 | - adjusted_mode->crtc_htotal / 2; |
| 4617 | } else { |
| 4618 | vsyncshift = 0; |
| 4619 | } |
| 4620 | |
| 4621 | if (INTEL_INFO(dev)->gen > 3) |
Paulo Zanoni | fe2b8f9 | 2012-10-23 18:30:02 -0200 | [diff] [blame] | 4622 | I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4623 | |
Paulo Zanoni | fe2b8f9 | 2012-10-23 18:30:02 -0200 | [diff] [blame] | 4624 | I915_WRITE(HTOTAL(cpu_transcoder), |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4625 | (adjusted_mode->crtc_hdisplay - 1) | |
| 4626 | ((adjusted_mode->crtc_htotal - 1) << 16)); |
Paulo Zanoni | fe2b8f9 | 2012-10-23 18:30:02 -0200 | [diff] [blame] | 4627 | I915_WRITE(HBLANK(cpu_transcoder), |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4628 | (adjusted_mode->crtc_hblank_start - 1) | |
| 4629 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); |
Paulo Zanoni | fe2b8f9 | 2012-10-23 18:30:02 -0200 | [diff] [blame] | 4630 | I915_WRITE(HSYNC(cpu_transcoder), |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4631 | (adjusted_mode->crtc_hsync_start - 1) | |
| 4632 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); |
| 4633 | |
Paulo Zanoni | fe2b8f9 | 2012-10-23 18:30:02 -0200 | [diff] [blame] | 4634 | I915_WRITE(VTOTAL(cpu_transcoder), |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4635 | (adjusted_mode->crtc_vdisplay - 1) | |
| 4636 | ((adjusted_mode->crtc_vtotal - 1) << 16)); |
Paulo Zanoni | fe2b8f9 | 2012-10-23 18:30:02 -0200 | [diff] [blame] | 4637 | I915_WRITE(VBLANK(cpu_transcoder), |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4638 | (adjusted_mode->crtc_vblank_start - 1) | |
| 4639 | ((adjusted_mode->crtc_vblank_end - 1) << 16)); |
Paulo Zanoni | fe2b8f9 | 2012-10-23 18:30:02 -0200 | [diff] [blame] | 4640 | I915_WRITE(VSYNC(cpu_transcoder), |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4641 | (adjusted_mode->crtc_vsync_start - 1) | |
| 4642 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); |
| 4643 | |
Paulo Zanoni | b5e508d | 2012-10-24 11:34:43 -0200 | [diff] [blame] | 4644 | /* Workaround: when the EDP input selection is B, the VTOTAL_B must be |
| 4645 | * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is |
| 4646 | * documented on the DDI_FUNC_CTL register description, EDP Input Select |
| 4647 | * bits. */ |
| 4648 | if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && |
| 4649 | (pipe == PIPE_B || pipe == PIPE_C)) |
| 4650 | I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); |
| 4651 | |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4652 | /* pipesrc controls the size that is scaled from, which should |
| 4653 | * always be the user's requested size. |
| 4654 | */ |
| 4655 | I915_WRITE(PIPESRC(pipe), |
| 4656 | ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1)); |
| 4657 | } |
| 4658 | |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4659 | static int i9xx_crtc_mode_set(struct drm_crtc *crtc, |
| 4660 | struct drm_display_mode *mode, |
| 4661 | struct drm_display_mode *adjusted_mode, |
| 4662 | int x, int y, |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 4663 | struct drm_framebuffer *fb) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 4664 | { |
| 4665 | struct drm_device *dev = crtc->dev; |
| 4666 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 4667 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 4668 | int pipe = intel_crtc->pipe; |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 4669 | int plane = intel_crtc->plane; |
Eric Anholt | c751ce4 | 2010-03-25 11:48:48 -0700 | [diff] [blame] | 4670 | int refclk, num_connectors = 0; |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 4671 | intel_clock_t clock, reduced_clock; |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4672 | u32 dspcntr, pipeconf; |
Daniel Vetter | eb1cbe4 | 2012-03-28 23:12:16 +0200 | [diff] [blame] | 4673 | bool ok, has_reduced_clock = false, is_sdvo = false; |
| 4674 | bool is_lvds = false, is_tv = false, is_dp = false; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 4675 | struct intel_encoder *encoder; |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 4676 | const intel_limit_t *limit; |
Chris Wilson | 5c3b82e | 2009-02-11 13:25:09 +0000 | [diff] [blame] | 4677 | int ret; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 4678 | |
Daniel Vetter | 6c2b7c12 | 2012-07-05 09:50:24 +0200 | [diff] [blame] | 4679 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 4680 | switch (encoder->type) { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 4681 | case INTEL_OUTPUT_LVDS: |
| 4682 | is_lvds = true; |
| 4683 | break; |
| 4684 | case INTEL_OUTPUT_SDVO: |
Eric Anholt | 7d57382 | 2009-01-02 13:33:00 -0800 | [diff] [blame] | 4685 | case INTEL_OUTPUT_HDMI: |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 4686 | is_sdvo = true; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 4687 | if (encoder->needs_tv_clock) |
Jesse Barnes | e2f0ba9 | 2009-02-02 15:11:52 -0800 | [diff] [blame] | 4688 | is_tv = true; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 4689 | break; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 4690 | case INTEL_OUTPUT_TVOUT: |
| 4691 | is_tv = true; |
| 4692 | break; |
Keith Packard | a4fc5ed | 2009-04-07 16:16:42 -0700 | [diff] [blame] | 4693 | case INTEL_OUTPUT_DISPLAYPORT: |
| 4694 | is_dp = true; |
| 4695 | break; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 4696 | } |
Kristian Høgsberg | 43565a0 | 2009-02-13 20:56:52 -0500 | [diff] [blame] | 4697 | |
Eric Anholt | c751ce4 | 2010-03-25 11:48:48 -0700 | [diff] [blame] | 4698 | num_connectors++; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 4699 | } |
| 4700 | |
Jesse Barnes | c65d77d | 2011-12-15 12:30:36 -0800 | [diff] [blame] | 4701 | refclk = i9xx_get_refclk(crtc, num_connectors); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 4702 | |
Ma Ling | d490609 | 2009-03-18 20:13:27 +0800 | [diff] [blame] | 4703 | /* |
| 4704 | * Returns a set of divisors for the desired target clock with the given |
| 4705 | * refclk, or FALSE. The returned values represent the clock equation: |
| 4706 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. |
| 4707 | */ |
Chris Wilson | 1b894b5 | 2010-12-14 20:04:54 +0000 | [diff] [blame] | 4708 | limit = intel_limit(crtc, refclk); |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 4709 | ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, NULL, |
| 4710 | &clock); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 4711 | if (!ok) { |
| 4712 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4713 | return -EINVAL; |
| 4714 | } |
| 4715 | |
| 4716 | /* Ensure that the cursor is valid for the new mode before changing... */ |
| 4717 | intel_crtc_update_cursor(crtc, true); |
| 4718 | |
| 4719 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 4720 | /* |
| 4721 | * Ensure we match the reduced clock's P to the target clock. |
| 4722 | * If the clocks don't match, we can't switch the display clock |
| 4723 | * by using the FP0/FP1. In such case we will disable the LVDS |
| 4724 | * downclock feature. |
| 4725 | */ |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4726 | has_reduced_clock = limit->find_pll(limit, crtc, |
| 4727 | dev_priv->lvds_downclock, |
| 4728 | refclk, |
Sean Paul | cec2f35 | 2012-01-10 15:09:36 -0800 | [diff] [blame] | 4729 | &clock, |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4730 | &reduced_clock); |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4731 | } |
| 4732 | |
Jesse Barnes | c65d77d | 2011-12-15 12:30:36 -0800 | [diff] [blame] | 4733 | if (is_sdvo && is_tv) |
| 4734 | i9xx_adjust_sdvo_tv_clock(adjusted_mode, &clock); |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4735 | |
Daniel Vetter | eb1cbe4 | 2012-03-28 23:12:16 +0200 | [diff] [blame] | 4736 | if (IS_GEN2(dev)) |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4737 | i8xx_update_pll(crtc, adjusted_mode, &clock, |
| 4738 | has_reduced_clock ? &reduced_clock : NULL, |
| 4739 | num_connectors); |
Jesse Barnes | a0c4da2 | 2012-06-15 11:55:13 -0700 | [diff] [blame] | 4740 | else if (IS_VALLEYVIEW(dev)) |
Vijay Purushothaman | 2a8f64c | 2012-09-27 19:13:06 +0530 | [diff] [blame] | 4741 | vlv_update_pll(crtc, mode, adjusted_mode, &clock, |
| 4742 | has_reduced_clock ? &reduced_clock : NULL, |
| 4743 | num_connectors); |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4744 | else |
Daniel Vetter | eb1cbe4 | 2012-03-28 23:12:16 +0200 | [diff] [blame] | 4745 | i9xx_update_pll(crtc, mode, adjusted_mode, &clock, |
| 4746 | has_reduced_clock ? &reduced_clock : NULL, |
| 4747 | num_connectors); |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4748 | |
| 4749 | /* setup pipeconf */ |
| 4750 | pipeconf = I915_READ(PIPECONF(pipe)); |
| 4751 | |
| 4752 | /* Set up the display plane register */ |
| 4753 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
| 4754 | |
Eric Anholt | 929c77f | 2011-03-30 13:01:04 -0700 | [diff] [blame] | 4755 | if (pipe == 0) |
| 4756 | dspcntr &= ~DISPPLANE_SEL_PIPE_MASK; |
| 4757 | else |
| 4758 | dspcntr |= DISPPLANE_SEL_PIPE_B; |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4759 | |
| 4760 | if (pipe == 0 && INTEL_INFO(dev)->gen < 4) { |
| 4761 | /* Enable pixel doubling when the dot clock is > 90% of the (display) |
| 4762 | * core speed. |
| 4763 | * |
| 4764 | * XXX: No double-wide on 915GM pipe B. Is that the only reason for the |
| 4765 | * pipe == 0 check? |
| 4766 | */ |
| 4767 | if (mode->clock > |
| 4768 | dev_priv->display.get_display_clock_speed(dev) * 9 / 10) |
| 4769 | pipeconf |= PIPECONF_DOUBLE_WIDE; |
| 4770 | else |
| 4771 | pipeconf &= ~PIPECONF_DOUBLE_WIDE; |
| 4772 | } |
| 4773 | |
Adam Jackson | 3b5c78a | 2011-12-13 15:41:00 -0800 | [diff] [blame] | 4774 | /* default to 8bpc */ |
| 4775 | pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN); |
| 4776 | if (is_dp) { |
Jani Nikula | 0c96c65 | 2012-09-26 18:43:10 +0300 | [diff] [blame] | 4777 | if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) { |
Adam Jackson | 3b5c78a | 2011-12-13 15:41:00 -0800 | [diff] [blame] | 4778 | pipeconf |= PIPECONF_BPP_6 | |
| 4779 | PIPECONF_DITHER_EN | |
| 4780 | PIPECONF_DITHER_TYPE_SP; |
| 4781 | } |
| 4782 | } |
| 4783 | |
Gajanan Bhat | 19c0392 | 2012-09-27 19:13:07 +0530 | [diff] [blame] | 4784 | if (IS_VALLEYVIEW(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) { |
| 4785 | if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) { |
| 4786 | pipeconf |= PIPECONF_BPP_6 | |
| 4787 | PIPECONF_ENABLE | |
| 4788 | I965_PIPECONF_ACTIVE; |
| 4789 | } |
| 4790 | } |
| 4791 | |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4792 | DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B'); |
| 4793 | drm_mode_debug_printmodeline(mode); |
| 4794 | |
Jesse Barnes | a7516a0 | 2011-12-15 12:30:37 -0800 | [diff] [blame] | 4795 | if (HAS_PIPE_CXSR(dev)) { |
| 4796 | if (intel_crtc->lowfreq_avail) { |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4797 | DRM_DEBUG_KMS("enabling CxSR downclocking\n"); |
| 4798 | pipeconf |= PIPECONF_CXSR_DOWNCLOCK; |
Jesse Barnes | a7516a0 | 2011-12-15 12:30:37 -0800 | [diff] [blame] | 4799 | } else { |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4800 | DRM_DEBUG_KMS("disabling CxSR downclocking\n"); |
| 4801 | pipeconf &= ~PIPECONF_CXSR_DOWNCLOCK; |
| 4802 | } |
| 4803 | } |
| 4804 | |
Keith Packard | 617cf88 | 2012-02-08 13:53:38 -0800 | [diff] [blame] | 4805 | pipeconf &= ~PIPECONF_INTERLACE_MASK; |
Daniel Vetter | dbb0257 | 2012-01-28 14:49:23 +0100 | [diff] [blame] | 4806 | if (!IS_GEN2(dev) && |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4807 | adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4808 | pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4809 | else |
Keith Packard | 617cf88 | 2012-02-08 13:53:38 -0800 | [diff] [blame] | 4810 | pipeconf |= PIPECONF_PROGRESSIVE; |
Daniel Vetter | 0529a0d | 2012-01-28 14:49:24 +0100 | [diff] [blame] | 4811 | |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 4812 | intel_set_pipe_timings(intel_crtc, mode, adjusted_mode); |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4813 | |
| 4814 | /* pipesrc and dspsize control the size that is scaled from, |
| 4815 | * which should always be the user's requested size. |
| 4816 | */ |
Eric Anholt | 929c77f | 2011-03-30 13:01:04 -0700 | [diff] [blame] | 4817 | I915_WRITE(DSPSIZE(plane), |
| 4818 | ((mode->vdisplay - 1) << 16) | |
| 4819 | (mode->hdisplay - 1)); |
| 4820 | I915_WRITE(DSPPOS(plane), 0); |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4821 | |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4822 | I915_WRITE(PIPECONF(pipe), pipeconf); |
| 4823 | POSTING_READ(PIPECONF(pipe)); |
Eric Anholt | 929c77f | 2011-03-30 13:01:04 -0700 | [diff] [blame] | 4824 | intel_enable_pipe(dev_priv, pipe, false); |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4825 | |
| 4826 | intel_wait_for_vblank(dev, pipe); |
| 4827 | |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4828 | I915_WRITE(DSPCNTR(plane), dspcntr); |
| 4829 | POSTING_READ(DSPCNTR(plane)); |
| 4830 | |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 4831 | ret = intel_pipe_set_base(crtc, x, y, fb); |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4832 | |
| 4833 | intel_update_watermarks(dev); |
| 4834 | |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 4835 | return ret; |
| 4836 | } |
| 4837 | |
Paulo Zanoni | dde86e2 | 2012-12-01 12:04:25 -0200 | [diff] [blame] | 4838 | static void ironlake_init_pch_refclk(struct drm_device *dev) |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4839 | { |
| 4840 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 4841 | struct drm_mode_config *mode_config = &dev->mode_config; |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4842 | struct intel_encoder *encoder; |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4843 | u32 temp; |
| 4844 | bool has_lvds = false; |
Keith Packard | 199e5d7 | 2011-09-22 12:01:57 -0700 | [diff] [blame] | 4845 | bool has_cpu_edp = false; |
| 4846 | bool has_pch_edp = false; |
| 4847 | bool has_panel = false; |
Keith Packard | 99eb6a0 | 2011-09-26 14:29:12 -0700 | [diff] [blame] | 4848 | bool has_ck505 = false; |
| 4849 | bool can_ssc = false; |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4850 | |
| 4851 | /* We need to take the global config into account */ |
Keith Packard | 199e5d7 | 2011-09-22 12:01:57 -0700 | [diff] [blame] | 4852 | list_for_each_entry(encoder, &mode_config->encoder_list, |
| 4853 | base.head) { |
| 4854 | switch (encoder->type) { |
| 4855 | case INTEL_OUTPUT_LVDS: |
| 4856 | has_panel = true; |
| 4857 | has_lvds = true; |
| 4858 | break; |
| 4859 | case INTEL_OUTPUT_EDP: |
| 4860 | has_panel = true; |
| 4861 | if (intel_encoder_is_pch_edp(&encoder->base)) |
| 4862 | has_pch_edp = true; |
| 4863 | else |
| 4864 | has_cpu_edp = true; |
| 4865 | break; |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4866 | } |
| 4867 | } |
| 4868 | |
Keith Packard | 99eb6a0 | 2011-09-26 14:29:12 -0700 | [diff] [blame] | 4869 | if (HAS_PCH_IBX(dev)) { |
| 4870 | has_ck505 = dev_priv->display_clock_mode; |
| 4871 | can_ssc = has_ck505; |
| 4872 | } else { |
| 4873 | has_ck505 = false; |
| 4874 | can_ssc = true; |
| 4875 | } |
| 4876 | |
| 4877 | DRM_DEBUG_KMS("has_panel %d has_lvds %d has_pch_edp %d has_cpu_edp %d has_ck505 %d\n", |
| 4878 | has_panel, has_lvds, has_pch_edp, has_cpu_edp, |
| 4879 | has_ck505); |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4880 | |
| 4881 | /* Ironlake: try to setup display ref clock before DPLL |
| 4882 | * enabling. This is only under driver's control after |
| 4883 | * PCH B stepping, previous chipset stepping should be |
| 4884 | * ignoring this setting. |
| 4885 | */ |
| 4886 | temp = I915_READ(PCH_DREF_CONTROL); |
| 4887 | /* Always enable nonspread source */ |
| 4888 | temp &= ~DREF_NONSPREAD_SOURCE_MASK; |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4889 | |
Keith Packard | 99eb6a0 | 2011-09-26 14:29:12 -0700 | [diff] [blame] | 4890 | if (has_ck505) |
| 4891 | temp |= DREF_NONSPREAD_CK505_ENABLE; |
| 4892 | else |
| 4893 | temp |= DREF_NONSPREAD_SOURCE_ENABLE; |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4894 | |
Keith Packard | 199e5d7 | 2011-09-22 12:01:57 -0700 | [diff] [blame] | 4895 | if (has_panel) { |
| 4896 | temp &= ~DREF_SSC_SOURCE_MASK; |
| 4897 | temp |= DREF_SSC_SOURCE_ENABLE; |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4898 | |
Keith Packard | 199e5d7 | 2011-09-22 12:01:57 -0700 | [diff] [blame] | 4899 | /* SSC must be turned on before enabling the CPU output */ |
Keith Packard | 99eb6a0 | 2011-09-26 14:29:12 -0700 | [diff] [blame] | 4900 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
Keith Packard | 199e5d7 | 2011-09-22 12:01:57 -0700 | [diff] [blame] | 4901 | DRM_DEBUG_KMS("Using SSC on panel\n"); |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4902 | temp |= DREF_SSC1_ENABLE; |
Daniel Vetter | e77166b | 2012-03-30 22:14:05 +0200 | [diff] [blame] | 4903 | } else |
| 4904 | temp &= ~DREF_SSC1_ENABLE; |
Keith Packard | 199e5d7 | 2011-09-22 12:01:57 -0700 | [diff] [blame] | 4905 | |
| 4906 | /* Get SSC going before enabling the outputs */ |
| 4907 | I915_WRITE(PCH_DREF_CONTROL, temp); |
| 4908 | POSTING_READ(PCH_DREF_CONTROL); |
| 4909 | udelay(200); |
| 4910 | |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4911 | temp &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
| 4912 | |
| 4913 | /* Enable CPU source on CPU attached eDP */ |
Keith Packard | 199e5d7 | 2011-09-22 12:01:57 -0700 | [diff] [blame] | 4914 | if (has_cpu_edp) { |
Keith Packard | 99eb6a0 | 2011-09-26 14:29:12 -0700 | [diff] [blame] | 4915 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
Keith Packard | 199e5d7 | 2011-09-22 12:01:57 -0700 | [diff] [blame] | 4916 | DRM_DEBUG_KMS("Using SSC on eDP\n"); |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4917 | temp |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
Keith Packard | 199e5d7 | 2011-09-22 12:01:57 -0700 | [diff] [blame] | 4918 | } |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4919 | else |
| 4920 | temp |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
Keith Packard | 199e5d7 | 2011-09-22 12:01:57 -0700 | [diff] [blame] | 4921 | } else |
| 4922 | temp |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
| 4923 | |
| 4924 | I915_WRITE(PCH_DREF_CONTROL, temp); |
| 4925 | POSTING_READ(PCH_DREF_CONTROL); |
| 4926 | udelay(200); |
| 4927 | } else { |
| 4928 | DRM_DEBUG_KMS("Disabling SSC entirely\n"); |
| 4929 | |
| 4930 | temp &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
| 4931 | |
| 4932 | /* Turn off CPU output */ |
| 4933 | temp |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
| 4934 | |
| 4935 | I915_WRITE(PCH_DREF_CONTROL, temp); |
| 4936 | POSTING_READ(PCH_DREF_CONTROL); |
| 4937 | udelay(200); |
| 4938 | |
| 4939 | /* Turn off the SSC source */ |
| 4940 | temp &= ~DREF_SSC_SOURCE_MASK; |
| 4941 | temp |= DREF_SSC_SOURCE_DISABLE; |
| 4942 | |
| 4943 | /* Turn off SSC1 */ |
| 4944 | temp &= ~ DREF_SSC1_ENABLE; |
| 4945 | |
Jesse Barnes | 13d83a6 | 2011-08-03 12:59:20 -0700 | [diff] [blame] | 4946 | I915_WRITE(PCH_DREF_CONTROL, temp); |
| 4947 | POSTING_READ(PCH_DREF_CONTROL); |
| 4948 | udelay(200); |
| 4949 | } |
| 4950 | } |
| 4951 | |
Paulo Zanoni | dde86e2 | 2012-12-01 12:04:25 -0200 | [diff] [blame] | 4952 | /* Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O. */ |
| 4953 | static void lpt_init_pch_refclk(struct drm_device *dev) |
| 4954 | { |
| 4955 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 4956 | struct drm_mode_config *mode_config = &dev->mode_config; |
| 4957 | struct intel_encoder *encoder; |
| 4958 | bool has_vga = false; |
| 4959 | bool is_sdv = false; |
| 4960 | u32 tmp; |
| 4961 | |
| 4962 | list_for_each_entry(encoder, &mode_config->encoder_list, base.head) { |
| 4963 | switch (encoder->type) { |
| 4964 | case INTEL_OUTPUT_ANALOG: |
| 4965 | has_vga = true; |
| 4966 | break; |
| 4967 | } |
| 4968 | } |
| 4969 | |
| 4970 | if (!has_vga) |
| 4971 | return; |
| 4972 | |
| 4973 | /* XXX: Rip out SDV support once Haswell ships for real. */ |
| 4974 | if (IS_HASWELL(dev) && (dev->pci_device & 0xFF00) == 0x0C00) |
| 4975 | is_sdv = true; |
| 4976 | |
| 4977 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); |
| 4978 | tmp &= ~SBI_SSCCTL_DISABLE; |
| 4979 | tmp |= SBI_SSCCTL_PATHALT; |
| 4980 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); |
| 4981 | |
| 4982 | udelay(24); |
| 4983 | |
| 4984 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); |
| 4985 | tmp &= ~SBI_SSCCTL_PATHALT; |
| 4986 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); |
| 4987 | |
| 4988 | if (!is_sdv) { |
| 4989 | tmp = I915_READ(SOUTH_CHICKEN2); |
| 4990 | tmp |= FDI_MPHY_IOSFSB_RESET_CTL; |
| 4991 | I915_WRITE(SOUTH_CHICKEN2, tmp); |
| 4992 | |
| 4993 | if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) & |
| 4994 | FDI_MPHY_IOSFSB_RESET_STATUS, 100)) |
| 4995 | DRM_ERROR("FDI mPHY reset assert timeout\n"); |
| 4996 | |
| 4997 | tmp = I915_READ(SOUTH_CHICKEN2); |
| 4998 | tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; |
| 4999 | I915_WRITE(SOUTH_CHICKEN2, tmp); |
| 5000 | |
| 5001 | if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) & |
| 5002 | FDI_MPHY_IOSFSB_RESET_STATUS) == 0, |
| 5003 | 100)) |
| 5004 | DRM_ERROR("FDI mPHY reset de-assert timeout\n"); |
| 5005 | } |
| 5006 | |
| 5007 | tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); |
| 5008 | tmp &= ~(0xFF << 24); |
| 5009 | tmp |= (0x12 << 24); |
| 5010 | intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); |
| 5011 | |
| 5012 | if (!is_sdv) { |
| 5013 | tmp = intel_sbi_read(dev_priv, 0x808C, SBI_MPHY); |
| 5014 | tmp &= ~(0x3 << 6); |
| 5015 | tmp |= (1 << 6) | (1 << 0); |
| 5016 | intel_sbi_write(dev_priv, 0x808C, tmp, SBI_MPHY); |
| 5017 | } |
| 5018 | |
| 5019 | if (is_sdv) { |
| 5020 | tmp = intel_sbi_read(dev_priv, 0x800C, SBI_MPHY); |
| 5021 | tmp |= 0x7FFF; |
| 5022 | intel_sbi_write(dev_priv, 0x800C, tmp, SBI_MPHY); |
| 5023 | } |
| 5024 | |
| 5025 | tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); |
| 5026 | tmp |= (1 << 11); |
| 5027 | intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); |
| 5028 | |
| 5029 | tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); |
| 5030 | tmp |= (1 << 11); |
| 5031 | intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); |
| 5032 | |
| 5033 | if (is_sdv) { |
| 5034 | tmp = intel_sbi_read(dev_priv, 0x2038, SBI_MPHY); |
| 5035 | tmp |= (0x3F << 24) | (0xF << 20) | (0xF << 16); |
| 5036 | intel_sbi_write(dev_priv, 0x2038, tmp, SBI_MPHY); |
| 5037 | |
| 5038 | tmp = intel_sbi_read(dev_priv, 0x2138, SBI_MPHY); |
| 5039 | tmp |= (0x3F << 24) | (0xF << 20) | (0xF << 16); |
| 5040 | intel_sbi_write(dev_priv, 0x2138, tmp, SBI_MPHY); |
| 5041 | |
| 5042 | tmp = intel_sbi_read(dev_priv, 0x203C, SBI_MPHY); |
| 5043 | tmp |= (0x3F << 8); |
| 5044 | intel_sbi_write(dev_priv, 0x203C, tmp, SBI_MPHY); |
| 5045 | |
| 5046 | tmp = intel_sbi_read(dev_priv, 0x213C, SBI_MPHY); |
| 5047 | tmp |= (0x3F << 8); |
| 5048 | intel_sbi_write(dev_priv, 0x213C, tmp, SBI_MPHY); |
| 5049 | } |
| 5050 | |
| 5051 | tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); |
| 5052 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); |
| 5053 | intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); |
| 5054 | |
| 5055 | tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); |
| 5056 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); |
| 5057 | intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); |
| 5058 | |
| 5059 | if (!is_sdv) { |
| 5060 | tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); |
| 5061 | tmp &= ~(7 << 13); |
| 5062 | tmp |= (5 << 13); |
| 5063 | intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); |
| 5064 | |
| 5065 | tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); |
| 5066 | tmp &= ~(7 << 13); |
| 5067 | tmp |= (5 << 13); |
| 5068 | intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); |
| 5069 | } |
| 5070 | |
| 5071 | tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); |
| 5072 | tmp &= ~0xFF; |
| 5073 | tmp |= 0x1C; |
| 5074 | intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); |
| 5075 | |
| 5076 | tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); |
| 5077 | tmp &= ~0xFF; |
| 5078 | tmp |= 0x1C; |
| 5079 | intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); |
| 5080 | |
| 5081 | tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); |
| 5082 | tmp &= ~(0xFF << 16); |
| 5083 | tmp |= (0x1C << 16); |
| 5084 | intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); |
| 5085 | |
| 5086 | tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); |
| 5087 | tmp &= ~(0xFF << 16); |
| 5088 | tmp |= (0x1C << 16); |
| 5089 | intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); |
| 5090 | |
| 5091 | if (!is_sdv) { |
| 5092 | tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); |
| 5093 | tmp |= (1 << 27); |
| 5094 | intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); |
| 5095 | |
| 5096 | tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); |
| 5097 | tmp |= (1 << 27); |
| 5098 | intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); |
| 5099 | |
| 5100 | tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); |
| 5101 | tmp &= ~(0xF << 28); |
| 5102 | tmp |= (4 << 28); |
| 5103 | intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); |
| 5104 | |
| 5105 | tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); |
| 5106 | tmp &= ~(0xF << 28); |
| 5107 | tmp |= (4 << 28); |
| 5108 | intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); |
| 5109 | } |
| 5110 | |
| 5111 | /* ULT uses SBI_GEN0, but ULT doesn't have VGA, so we don't care. */ |
| 5112 | tmp = intel_sbi_read(dev_priv, SBI_DBUFF0, SBI_ICLK); |
| 5113 | tmp |= SBI_DBUFF0_ENABLE; |
| 5114 | intel_sbi_write(dev_priv, SBI_DBUFF0, tmp, SBI_ICLK); |
| 5115 | } |
| 5116 | |
| 5117 | /* |
| 5118 | * Initialize reference clocks when the driver loads |
| 5119 | */ |
| 5120 | void intel_init_pch_refclk(struct drm_device *dev) |
| 5121 | { |
| 5122 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) |
| 5123 | ironlake_init_pch_refclk(dev); |
| 5124 | else if (HAS_PCH_LPT(dev)) |
| 5125 | lpt_init_pch_refclk(dev); |
| 5126 | } |
| 5127 | |
Jesse Barnes | d9d444c | 2011-09-02 13:03:05 -0700 | [diff] [blame] | 5128 | static int ironlake_get_refclk(struct drm_crtc *crtc) |
| 5129 | { |
| 5130 | struct drm_device *dev = crtc->dev; |
| 5131 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 5132 | struct intel_encoder *encoder; |
Jesse Barnes | d9d444c | 2011-09-02 13:03:05 -0700 | [diff] [blame] | 5133 | struct intel_encoder *edp_encoder = NULL; |
| 5134 | int num_connectors = 0; |
| 5135 | bool is_lvds = false; |
| 5136 | |
Daniel Vetter | 6c2b7c12 | 2012-07-05 09:50:24 +0200 | [diff] [blame] | 5137 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
Jesse Barnes | d9d444c | 2011-09-02 13:03:05 -0700 | [diff] [blame] | 5138 | switch (encoder->type) { |
| 5139 | case INTEL_OUTPUT_LVDS: |
| 5140 | is_lvds = true; |
| 5141 | break; |
| 5142 | case INTEL_OUTPUT_EDP: |
| 5143 | edp_encoder = encoder; |
| 5144 | break; |
| 5145 | } |
| 5146 | num_connectors++; |
| 5147 | } |
| 5148 | |
| 5149 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
| 5150 | DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n", |
| 5151 | dev_priv->lvds_ssc_freq); |
| 5152 | return dev_priv->lvds_ssc_freq * 1000; |
| 5153 | } |
| 5154 | |
| 5155 | return 120000; |
| 5156 | } |
| 5157 | |
Paulo Zanoni | c820356 | 2012-09-12 10:06:29 -0300 | [diff] [blame] | 5158 | static void ironlake_set_pipeconf(struct drm_crtc *crtc, |
| 5159 | struct drm_display_mode *adjusted_mode, |
| 5160 | bool dither) |
| 5161 | { |
| 5162 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
| 5163 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 5164 | int pipe = intel_crtc->pipe; |
| 5165 | uint32_t val; |
| 5166 | |
| 5167 | val = I915_READ(PIPECONF(pipe)); |
| 5168 | |
| 5169 | val &= ~PIPE_BPC_MASK; |
| 5170 | switch (intel_crtc->bpp) { |
| 5171 | case 18: |
| 5172 | val |= PIPE_6BPC; |
| 5173 | break; |
| 5174 | case 24: |
| 5175 | val |= PIPE_8BPC; |
| 5176 | break; |
| 5177 | case 30: |
| 5178 | val |= PIPE_10BPC; |
| 5179 | break; |
| 5180 | case 36: |
| 5181 | val |= PIPE_12BPC; |
| 5182 | break; |
| 5183 | default: |
Paulo Zanoni | cc769b6 | 2012-09-20 18:36:03 -0300 | [diff] [blame] | 5184 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
| 5185 | BUG(); |
Paulo Zanoni | c820356 | 2012-09-12 10:06:29 -0300 | [diff] [blame] | 5186 | } |
| 5187 | |
| 5188 | val &= ~(PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK); |
| 5189 | if (dither) |
| 5190 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
| 5191 | |
| 5192 | val &= ~PIPECONF_INTERLACE_MASK; |
| 5193 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) |
| 5194 | val |= PIPECONF_INTERLACED_ILK; |
| 5195 | else |
| 5196 | val |= PIPECONF_PROGRESSIVE; |
| 5197 | |
| 5198 | I915_WRITE(PIPECONF(pipe), val); |
| 5199 | POSTING_READ(PIPECONF(pipe)); |
| 5200 | } |
| 5201 | |
Paulo Zanoni | ee2b0b3 | 2012-10-05 12:05:57 -0300 | [diff] [blame] | 5202 | static void haswell_set_pipeconf(struct drm_crtc *crtc, |
| 5203 | struct drm_display_mode *adjusted_mode, |
| 5204 | bool dither) |
| 5205 | { |
| 5206 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
| 5207 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 5208 | enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; |
Paulo Zanoni | ee2b0b3 | 2012-10-05 12:05:57 -0300 | [diff] [blame] | 5209 | uint32_t val; |
| 5210 | |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 5211 | val = I915_READ(PIPECONF(cpu_transcoder)); |
Paulo Zanoni | ee2b0b3 | 2012-10-05 12:05:57 -0300 | [diff] [blame] | 5212 | |
| 5213 | val &= ~(PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK); |
| 5214 | if (dither) |
| 5215 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
| 5216 | |
| 5217 | val &= ~PIPECONF_INTERLACE_MASK_HSW; |
| 5218 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) |
| 5219 | val |= PIPECONF_INTERLACED_ILK; |
| 5220 | else |
| 5221 | val |= PIPECONF_PROGRESSIVE; |
| 5222 | |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 5223 | I915_WRITE(PIPECONF(cpu_transcoder), val); |
| 5224 | POSTING_READ(PIPECONF(cpu_transcoder)); |
Paulo Zanoni | ee2b0b3 | 2012-10-05 12:05:57 -0300 | [diff] [blame] | 5225 | } |
| 5226 | |
Paulo Zanoni | 6591c6e | 2012-09-12 10:06:34 -0300 | [diff] [blame] | 5227 | static bool ironlake_compute_clocks(struct drm_crtc *crtc, |
| 5228 | struct drm_display_mode *adjusted_mode, |
| 5229 | intel_clock_t *clock, |
| 5230 | bool *has_reduced_clock, |
| 5231 | intel_clock_t *reduced_clock) |
| 5232 | { |
| 5233 | struct drm_device *dev = crtc->dev; |
| 5234 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 5235 | struct intel_encoder *intel_encoder; |
| 5236 | int refclk; |
| 5237 | const intel_limit_t *limit; |
| 5238 | bool ret, is_sdvo = false, is_tv = false, is_lvds = false; |
| 5239 | |
| 5240 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) { |
| 5241 | switch (intel_encoder->type) { |
| 5242 | case INTEL_OUTPUT_LVDS: |
| 5243 | is_lvds = true; |
| 5244 | break; |
| 5245 | case INTEL_OUTPUT_SDVO: |
| 5246 | case INTEL_OUTPUT_HDMI: |
| 5247 | is_sdvo = true; |
| 5248 | if (intel_encoder->needs_tv_clock) |
| 5249 | is_tv = true; |
| 5250 | break; |
| 5251 | case INTEL_OUTPUT_TVOUT: |
| 5252 | is_tv = true; |
| 5253 | break; |
| 5254 | } |
| 5255 | } |
| 5256 | |
| 5257 | refclk = ironlake_get_refclk(crtc); |
| 5258 | |
| 5259 | /* |
| 5260 | * Returns a set of divisors for the desired target clock with the given |
| 5261 | * refclk, or FALSE. The returned values represent the clock equation: |
| 5262 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. |
| 5263 | */ |
| 5264 | limit = intel_limit(crtc, refclk); |
| 5265 | ret = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, NULL, |
| 5266 | clock); |
| 5267 | if (!ret) |
| 5268 | return false; |
| 5269 | |
| 5270 | if (is_lvds && dev_priv->lvds_downclock_avail) { |
| 5271 | /* |
| 5272 | * Ensure we match the reduced clock's P to the target clock. |
| 5273 | * If the clocks don't match, we can't switch the display clock |
| 5274 | * by using the FP0/FP1. In such case we will disable the LVDS |
| 5275 | * downclock feature. |
| 5276 | */ |
| 5277 | *has_reduced_clock = limit->find_pll(limit, crtc, |
| 5278 | dev_priv->lvds_downclock, |
| 5279 | refclk, |
| 5280 | clock, |
| 5281 | reduced_clock); |
| 5282 | } |
| 5283 | |
| 5284 | if (is_sdvo && is_tv) |
| 5285 | i9xx_adjust_sdvo_tv_clock(adjusted_mode, clock); |
| 5286 | |
| 5287 | return true; |
| 5288 | } |
| 5289 | |
Daniel Vetter | 01a415f | 2012-10-27 15:58:40 +0200 | [diff] [blame] | 5290 | static void cpt_enable_fdi_bc_bifurcation(struct drm_device *dev) |
| 5291 | { |
| 5292 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 5293 | uint32_t temp; |
| 5294 | |
| 5295 | temp = I915_READ(SOUTH_CHICKEN1); |
| 5296 | if (temp & FDI_BC_BIFURCATION_SELECT) |
| 5297 | return; |
| 5298 | |
| 5299 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); |
| 5300 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); |
| 5301 | |
| 5302 | temp |= FDI_BC_BIFURCATION_SELECT; |
| 5303 | DRM_DEBUG_KMS("enabling fdi C rx\n"); |
| 5304 | I915_WRITE(SOUTH_CHICKEN1, temp); |
| 5305 | POSTING_READ(SOUTH_CHICKEN1); |
| 5306 | } |
| 5307 | |
| 5308 | static bool ironlake_check_fdi_lanes(struct intel_crtc *intel_crtc) |
| 5309 | { |
| 5310 | struct drm_device *dev = intel_crtc->base.dev; |
| 5311 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 5312 | struct intel_crtc *pipe_B_crtc = |
| 5313 | to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_B]); |
| 5314 | |
| 5315 | DRM_DEBUG_KMS("checking fdi config on pipe %i, lanes %i\n", |
| 5316 | intel_crtc->pipe, intel_crtc->fdi_lanes); |
| 5317 | if (intel_crtc->fdi_lanes > 4) { |
| 5318 | DRM_DEBUG_KMS("invalid fdi lane config on pipe %i: %i lanes\n", |
| 5319 | intel_crtc->pipe, intel_crtc->fdi_lanes); |
| 5320 | /* Clamp lanes to avoid programming the hw with bogus values. */ |
| 5321 | intel_crtc->fdi_lanes = 4; |
| 5322 | |
| 5323 | return false; |
| 5324 | } |
| 5325 | |
| 5326 | if (dev_priv->num_pipe == 2) |
| 5327 | return true; |
| 5328 | |
| 5329 | switch (intel_crtc->pipe) { |
| 5330 | case PIPE_A: |
| 5331 | return true; |
| 5332 | case PIPE_B: |
| 5333 | if (dev_priv->pipe_to_crtc_mapping[PIPE_C]->enabled && |
| 5334 | intel_crtc->fdi_lanes > 2) { |
| 5335 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %i: %i lanes\n", |
| 5336 | intel_crtc->pipe, intel_crtc->fdi_lanes); |
| 5337 | /* Clamp lanes to avoid programming the hw with bogus values. */ |
| 5338 | intel_crtc->fdi_lanes = 2; |
| 5339 | |
| 5340 | return false; |
| 5341 | } |
| 5342 | |
| 5343 | if (intel_crtc->fdi_lanes > 2) |
| 5344 | WARN_ON(I915_READ(SOUTH_CHICKEN1) & FDI_BC_BIFURCATION_SELECT); |
| 5345 | else |
| 5346 | cpt_enable_fdi_bc_bifurcation(dev); |
| 5347 | |
| 5348 | return true; |
| 5349 | case PIPE_C: |
| 5350 | if (!pipe_B_crtc->base.enabled || pipe_B_crtc->fdi_lanes <= 2) { |
| 5351 | if (intel_crtc->fdi_lanes > 2) { |
| 5352 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %i: %i lanes\n", |
| 5353 | intel_crtc->pipe, intel_crtc->fdi_lanes); |
| 5354 | /* Clamp lanes to avoid programming the hw with bogus values. */ |
| 5355 | intel_crtc->fdi_lanes = 2; |
| 5356 | |
| 5357 | return false; |
| 5358 | } |
| 5359 | } else { |
| 5360 | DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); |
| 5361 | return false; |
| 5362 | } |
| 5363 | |
| 5364 | cpt_enable_fdi_bc_bifurcation(dev); |
| 5365 | |
| 5366 | return true; |
| 5367 | default: |
| 5368 | BUG(); |
| 5369 | } |
| 5370 | } |
| 5371 | |
Paulo Zanoni | d4b1931 | 2012-11-29 11:29:32 -0200 | [diff] [blame] | 5372 | int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) |
| 5373 | { |
| 5374 | /* |
| 5375 | * Account for spread spectrum to avoid |
| 5376 | * oversubscribing the link. Max center spread |
| 5377 | * is 2.5%; use 5% for safety's sake. |
| 5378 | */ |
| 5379 | u32 bps = target_clock * bpp * 21 / 20; |
| 5380 | return bps / (link_bw * 8) + 1; |
| 5381 | } |
| 5382 | |
Paulo Zanoni | f48d8f2 | 2012-09-20 18:36:04 -0300 | [diff] [blame] | 5383 | static void ironlake_set_m_n(struct drm_crtc *crtc, |
| 5384 | struct drm_display_mode *mode, |
| 5385 | struct drm_display_mode *adjusted_mode) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5386 | { |
| 5387 | struct drm_device *dev = crtc->dev; |
| 5388 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 5389 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Paulo Zanoni | afe2fcf | 2012-10-23 18:30:01 -0200 | [diff] [blame] | 5390 | enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; |
Paulo Zanoni | f48d8f2 | 2012-09-20 18:36:04 -0300 | [diff] [blame] | 5391 | struct intel_encoder *intel_encoder, *edp_encoder = NULL; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5392 | struct fdi_m_n m_n = {0}; |
Paulo Zanoni | f48d8f2 | 2012-09-20 18:36:04 -0300 | [diff] [blame] | 5393 | int target_clock, pixel_multiplier, lane, link_bw; |
| 5394 | bool is_dp = false, is_cpu_edp = false; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5395 | |
Paulo Zanoni | f48d8f2 | 2012-09-20 18:36:04 -0300 | [diff] [blame] | 5396 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) { |
| 5397 | switch (intel_encoder->type) { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5398 | case INTEL_OUTPUT_DISPLAYPORT: |
| 5399 | is_dp = true; |
| 5400 | break; |
| 5401 | case INTEL_OUTPUT_EDP: |
Jesse Barnes | e3aef17 | 2012-04-10 11:58:03 -0700 | [diff] [blame] | 5402 | is_dp = true; |
Paulo Zanoni | f48d8f2 | 2012-09-20 18:36:04 -0300 | [diff] [blame] | 5403 | if (!intel_encoder_is_pch_edp(&intel_encoder->base)) |
Jesse Barnes | e3aef17 | 2012-04-10 11:58:03 -0700 | [diff] [blame] | 5404 | is_cpu_edp = true; |
Paulo Zanoni | f48d8f2 | 2012-09-20 18:36:04 -0300 | [diff] [blame] | 5405 | edp_encoder = intel_encoder; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5406 | break; |
| 5407 | } |
Kristian Høgsberg | 43565a0 | 2009-02-13 20:56:52 -0500 | [diff] [blame] | 5408 | } |
| 5409 | |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 5410 | /* FDI link */ |
Eric Anholt | 8febb29 | 2011-03-30 13:01:07 -0700 | [diff] [blame] | 5411 | pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode); |
| 5412 | lane = 0; |
| 5413 | /* CPU eDP doesn't require FDI link, so just set DP M/N |
| 5414 | according to current link config */ |
Jesse Barnes | e3aef17 | 2012-04-10 11:58:03 -0700 | [diff] [blame] | 5415 | if (is_cpu_edp) { |
Jesse Barnes | e3aef17 | 2012-04-10 11:58:03 -0700 | [diff] [blame] | 5416 | intel_edp_link_config(edp_encoder, &lane, &link_bw); |
Eric Anholt | 8febb29 | 2011-03-30 13:01:07 -0700 | [diff] [blame] | 5417 | } else { |
Eric Anholt | 8febb29 | 2011-03-30 13:01:07 -0700 | [diff] [blame] | 5418 | /* FDI is a binary signal running at ~2.7GHz, encoding |
| 5419 | * each output octet as 10 bits. The actual frequency |
| 5420 | * is stored as a divider into a 100MHz clock, and the |
| 5421 | * mode pixel clock is stored in units of 1KHz. |
| 5422 | * Hence the bw of each lane in terms of the mode signal |
| 5423 | * is: |
| 5424 | */ |
| 5425 | link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10; |
Zhenyu Wang | 5eb08b6 | 2009-07-24 01:00:31 +0800 | [diff] [blame] | 5426 | } |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 5427 | |
Daniel Vetter | 94bf2ce | 2012-06-04 18:39:19 +0200 | [diff] [blame] | 5428 | /* [e]DP over FDI requires target mode clock instead of link clock. */ |
| 5429 | if (edp_encoder) |
| 5430 | target_clock = intel_edp_target_clock(edp_encoder, mode); |
| 5431 | else if (is_dp) |
| 5432 | target_clock = mode->clock; |
| 5433 | else |
| 5434 | target_clock = adjusted_mode->clock; |
| 5435 | |
Paulo Zanoni | d4b1931 | 2012-11-29 11:29:32 -0200 | [diff] [blame] | 5436 | if (!lane) |
| 5437 | lane = ironlake_get_lanes_required(target_clock, link_bw, |
| 5438 | intel_crtc->bpp); |
Eric Anholt | 8febb29 | 2011-03-30 13:01:07 -0700 | [diff] [blame] | 5439 | |
| 5440 | intel_crtc->fdi_lanes = lane; |
| 5441 | |
| 5442 | if (pixel_multiplier > 1) |
| 5443 | link_bw *= pixel_multiplier; |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 5444 | ironlake_compute_m_n(intel_crtc->bpp, lane, target_clock, link_bw, |
| 5445 | &m_n); |
Eric Anholt | 8febb29 | 2011-03-30 13:01:07 -0700 | [diff] [blame] | 5446 | |
Paulo Zanoni | afe2fcf | 2012-10-23 18:30:01 -0200 | [diff] [blame] | 5447 | I915_WRITE(PIPE_DATA_M1(cpu_transcoder), TU_SIZE(m_n.tu) | m_n.gmch_m); |
| 5448 | I915_WRITE(PIPE_DATA_N1(cpu_transcoder), m_n.gmch_n); |
| 5449 | I915_WRITE(PIPE_LINK_M1(cpu_transcoder), m_n.link_m); |
| 5450 | I915_WRITE(PIPE_LINK_N1(cpu_transcoder), m_n.link_n); |
Paulo Zanoni | f48d8f2 | 2012-09-20 18:36:04 -0300 | [diff] [blame] | 5451 | } |
| 5452 | |
Paulo Zanoni | de13a2e | 2012-09-20 18:36:05 -0300 | [diff] [blame] | 5453 | static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, |
| 5454 | struct drm_display_mode *adjusted_mode, |
| 5455 | intel_clock_t *clock, u32 fp) |
| 5456 | { |
| 5457 | struct drm_crtc *crtc = &intel_crtc->base; |
| 5458 | struct drm_device *dev = crtc->dev; |
| 5459 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 5460 | struct intel_encoder *intel_encoder; |
| 5461 | uint32_t dpll; |
| 5462 | int factor, pixel_multiplier, num_connectors = 0; |
| 5463 | bool is_lvds = false, is_sdvo = false, is_tv = false; |
| 5464 | bool is_dp = false, is_cpu_edp = false; |
| 5465 | |
| 5466 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) { |
| 5467 | switch (intel_encoder->type) { |
| 5468 | case INTEL_OUTPUT_LVDS: |
| 5469 | is_lvds = true; |
| 5470 | break; |
| 5471 | case INTEL_OUTPUT_SDVO: |
| 5472 | case INTEL_OUTPUT_HDMI: |
| 5473 | is_sdvo = true; |
| 5474 | if (intel_encoder->needs_tv_clock) |
| 5475 | is_tv = true; |
| 5476 | break; |
| 5477 | case INTEL_OUTPUT_TVOUT: |
| 5478 | is_tv = true; |
| 5479 | break; |
| 5480 | case INTEL_OUTPUT_DISPLAYPORT: |
| 5481 | is_dp = true; |
| 5482 | break; |
| 5483 | case INTEL_OUTPUT_EDP: |
| 5484 | is_dp = true; |
| 5485 | if (!intel_encoder_is_pch_edp(&intel_encoder->base)) |
| 5486 | is_cpu_edp = true; |
| 5487 | break; |
| 5488 | } |
| 5489 | |
| 5490 | num_connectors++; |
| 5491 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5492 | |
Chris Wilson | c185812 | 2010-12-03 21:35:48 +0000 | [diff] [blame] | 5493 | /* Enable autotuning of the PLL clock (if permissible) */ |
Eric Anholt | 8febb29 | 2011-03-30 13:01:07 -0700 | [diff] [blame] | 5494 | factor = 21; |
| 5495 | if (is_lvds) { |
| 5496 | if ((intel_panel_use_ssc(dev_priv) && |
| 5497 | dev_priv->lvds_ssc_freq == 100) || |
| 5498 | (I915_READ(PCH_LVDS) & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP) |
| 5499 | factor = 25; |
| 5500 | } else if (is_sdvo && is_tv) |
| 5501 | factor = 20; |
Chris Wilson | c185812 | 2010-12-03 21:35:48 +0000 | [diff] [blame] | 5502 | |
Paulo Zanoni | de13a2e | 2012-09-20 18:36:05 -0300 | [diff] [blame] | 5503 | if (clock->m < factor * clock->n) |
Eric Anholt | 8febb29 | 2011-03-30 13:01:07 -0700 | [diff] [blame] | 5504 | fp |= FP_CB_TUNE; |
Chris Wilson | c185812 | 2010-12-03 21:35:48 +0000 | [diff] [blame] | 5505 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 5506 | dpll = 0; |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 5507 | |
Eric Anholt | a07d678 | 2011-03-30 13:01:08 -0700 | [diff] [blame] | 5508 | if (is_lvds) |
| 5509 | dpll |= DPLLB_MODE_LVDS; |
| 5510 | else |
| 5511 | dpll |= DPLLB_MODE_DAC_SERIAL; |
| 5512 | if (is_sdvo) { |
Paulo Zanoni | de13a2e | 2012-09-20 18:36:05 -0300 | [diff] [blame] | 5513 | pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode); |
Eric Anholt | a07d678 | 2011-03-30 13:01:08 -0700 | [diff] [blame] | 5514 | if (pixel_multiplier > 1) { |
| 5515 | dpll |= (pixel_multiplier - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5516 | } |
Eric Anholt | a07d678 | 2011-03-30 13:01:08 -0700 | [diff] [blame] | 5517 | dpll |= DPLL_DVO_HIGH_SPEED; |
| 5518 | } |
Jesse Barnes | e3aef17 | 2012-04-10 11:58:03 -0700 | [diff] [blame] | 5519 | if (is_dp && !is_cpu_edp) |
Eric Anholt | a07d678 | 2011-03-30 13:01:08 -0700 | [diff] [blame] | 5520 | dpll |= DPLL_DVO_HIGH_SPEED; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5521 | |
Eric Anholt | a07d678 | 2011-03-30 13:01:08 -0700 | [diff] [blame] | 5522 | /* compute bitmask from p1 value */ |
Paulo Zanoni | de13a2e | 2012-09-20 18:36:05 -0300 | [diff] [blame] | 5523 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
Eric Anholt | a07d678 | 2011-03-30 13:01:08 -0700 | [diff] [blame] | 5524 | /* also FPA1 */ |
Paulo Zanoni | de13a2e | 2012-09-20 18:36:05 -0300 | [diff] [blame] | 5525 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
Eric Anholt | a07d678 | 2011-03-30 13:01:08 -0700 | [diff] [blame] | 5526 | |
Paulo Zanoni | de13a2e | 2012-09-20 18:36:05 -0300 | [diff] [blame] | 5527 | switch (clock->p2) { |
Eric Anholt | a07d678 | 2011-03-30 13:01:08 -0700 | [diff] [blame] | 5528 | case 5: |
| 5529 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; |
| 5530 | break; |
| 5531 | case 7: |
| 5532 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; |
| 5533 | break; |
| 5534 | case 10: |
| 5535 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; |
| 5536 | break; |
| 5537 | case 14: |
| 5538 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; |
| 5539 | break; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5540 | } |
| 5541 | |
| 5542 | if (is_sdvo && is_tv) |
| 5543 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
| 5544 | else if (is_tv) |
| 5545 | /* XXX: just matching BIOS for now */ |
Kristian Høgsberg | 43565a0 | 2009-02-13 20:56:52 -0500 | [diff] [blame] | 5546 | /* dpll |= PLL_REF_INPUT_TVCLKINBC; */ |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5547 | dpll |= 3; |
Chris Wilson | a761503 | 2011-01-12 17:04:08 +0000 | [diff] [blame] | 5548 | else if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
Kristian Høgsberg | 43565a0 | 2009-02-13 20:56:52 -0500 | [diff] [blame] | 5549 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5550 | else |
| 5551 | dpll |= PLL_REF_INPUT_DREFCLK; |
| 5552 | |
Paulo Zanoni | de13a2e | 2012-09-20 18:36:05 -0300 | [diff] [blame] | 5553 | return dpll; |
| 5554 | } |
| 5555 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5556 | static int ironlake_crtc_mode_set(struct drm_crtc *crtc, |
| 5557 | struct drm_display_mode *mode, |
| 5558 | struct drm_display_mode *adjusted_mode, |
| 5559 | int x, int y, |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 5560 | struct drm_framebuffer *fb) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5561 | { |
| 5562 | struct drm_device *dev = crtc->dev; |
| 5563 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 5564 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 5565 | int pipe = intel_crtc->pipe; |
| 5566 | int plane = intel_crtc->plane; |
Paulo Zanoni | 6591c6e | 2012-09-12 10:06:34 -0300 | [diff] [blame] | 5567 | int num_connectors = 0; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5568 | intel_clock_t clock, reduced_clock; |
Paulo Zanoni | a1f9e77 | 2012-09-12 10:06:32 -0300 | [diff] [blame] | 5569 | u32 dpll, fp = 0, fp2 = 0; |
Paulo Zanoni | e2f12b0 | 2012-09-20 18:36:06 -0300 | [diff] [blame] | 5570 | bool ok, has_reduced_clock = false; |
| 5571 | bool is_lvds = false, is_dp = false, is_cpu_edp = false; |
Paulo Zanoni | f48d8f2 | 2012-09-20 18:36:04 -0300 | [diff] [blame] | 5572 | struct intel_encoder *encoder; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5573 | u32 temp; |
Paulo Zanoni | de13a2e | 2012-09-20 18:36:05 -0300 | [diff] [blame] | 5574 | int ret; |
Daniel Vetter | 01a415f | 2012-10-27 15:58:40 +0200 | [diff] [blame] | 5575 | bool dither, fdi_config_ok; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5576 | |
| 5577 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
| 5578 | switch (encoder->type) { |
| 5579 | case INTEL_OUTPUT_LVDS: |
| 5580 | is_lvds = true; |
| 5581 | break; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5582 | case INTEL_OUTPUT_DISPLAYPORT: |
| 5583 | is_dp = true; |
| 5584 | break; |
| 5585 | case INTEL_OUTPUT_EDP: |
| 5586 | is_dp = true; |
Paulo Zanoni | e2f12b0 | 2012-09-20 18:36:06 -0300 | [diff] [blame] | 5587 | if (!intel_encoder_is_pch_edp(&encoder->base)) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5588 | is_cpu_edp = true; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5589 | break; |
| 5590 | } |
| 5591 | |
| 5592 | num_connectors++; |
| 5593 | } |
| 5594 | |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5595 | WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)), |
| 5596 | "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); |
| 5597 | |
Paulo Zanoni | 6591c6e | 2012-09-12 10:06:34 -0300 | [diff] [blame] | 5598 | ok = ironlake_compute_clocks(crtc, adjusted_mode, &clock, |
| 5599 | &has_reduced_clock, &reduced_clock); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5600 | if (!ok) { |
| 5601 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
| 5602 | return -EINVAL; |
| 5603 | } |
| 5604 | |
| 5605 | /* Ensure that the cursor is valid for the new mode before changing... */ |
| 5606 | intel_crtc_update_cursor(crtc, true); |
| 5607 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5608 | /* determine panel color depth */ |
Jani Nikula | c824196 | 2012-11-02 10:19:55 +0200 | [diff] [blame] | 5609 | dither = intel_choose_pipe_bpp_dither(crtc, fb, &intel_crtc->bpp, |
| 5610 | adjusted_mode); |
Paulo Zanoni | c820356 | 2012-09-12 10:06:29 -0300 | [diff] [blame] | 5611 | if (is_lvds && dev_priv->lvds_dither) |
| 5612 | dither = true; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5613 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5614 | fp = clock.n << 16 | clock.m1 << 8 | clock.m2; |
| 5615 | if (has_reduced_clock) |
| 5616 | fp2 = reduced_clock.n << 16 | reduced_clock.m1 << 8 | |
| 5617 | reduced_clock.m2; |
| 5618 | |
Paulo Zanoni | de13a2e | 2012-09-20 18:36:05 -0300 | [diff] [blame] | 5619 | dpll = ironlake_compute_dpll(intel_crtc, adjusted_mode, &clock, fp); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5620 | |
Jesse Barnes | f7cb34d | 2011-10-12 10:49:14 -0700 | [diff] [blame] | 5621 | DRM_DEBUG_KMS("Mode for pipe %d:\n", pipe); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5622 | drm_mode_debug_printmodeline(mode); |
| 5623 | |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5624 | /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ |
| 5625 | if (!is_cpu_edp) { |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 5626 | struct intel_pch_pll *pll; |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 5627 | |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 5628 | pll = intel_get_pch_pll(intel_crtc, dpll, fp); |
| 5629 | if (pll == NULL) { |
| 5630 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %d\n", |
| 5631 | pipe); |
Jesse Barnes | 4b645f1 | 2011-10-12 09:51:31 -0700 | [diff] [blame] | 5632 | return -EINVAL; |
| 5633 | } |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 5634 | } else |
| 5635 | intel_put_pch_pll(intel_crtc); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5636 | |
| 5637 | /* The LVDS pin pair needs to be on before the DPLLs are enabled. |
| 5638 | * This is an exception to the general rule that mode_set doesn't turn |
| 5639 | * things on. |
| 5640 | */ |
| 5641 | if (is_lvds) { |
Eric Anholt | fae1498 | 2011-03-30 13:01:09 -0700 | [diff] [blame] | 5642 | temp = I915_READ(PCH_LVDS); |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 5643 | temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP; |
Jesse Barnes | 7885d20 | 2012-01-12 14:51:17 -0800 | [diff] [blame] | 5644 | if (HAS_PCH_CPT(dev)) { |
| 5645 | temp &= ~PORT_TRANS_SEL_MASK; |
Jesse Barnes | 4b645f1 | 2011-10-12 09:51:31 -0700 | [diff] [blame] | 5646 | temp |= PORT_TRANS_SEL_CPT(pipe); |
Jesse Barnes | 7885d20 | 2012-01-12 14:51:17 -0800 | [diff] [blame] | 5647 | } else { |
| 5648 | if (pipe == 1) |
| 5649 | temp |= LVDS_PIPEB_SELECT; |
| 5650 | else |
| 5651 | temp &= ~LVDS_PIPEB_SELECT; |
| 5652 | } |
Jesse Barnes | 4b645f1 | 2011-10-12 09:51:31 -0700 | [diff] [blame] | 5653 | |
Zhao Yakui | a3e17eb | 2009-10-10 10:42:37 +0800 | [diff] [blame] | 5654 | /* set the corresponsding LVDS_BORDER bit */ |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 5655 | temp |= dev_priv->lvds_border_bits; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5656 | /* Set the B0-B3 data pairs corresponding to whether we're going to |
| 5657 | * set the DPLLs for dual-channel mode or not. |
| 5658 | */ |
| 5659 | if (clock.p2 == 7) |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 5660 | temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5661 | else |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 5662 | temp &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5663 | |
| 5664 | /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP) |
| 5665 | * appropriately here, but we need to look more thoroughly into how |
| 5666 | * panels behave in the two modes. |
| 5667 | */ |
Chris Wilson | 284d5df | 2012-04-14 17:41:59 +0100 | [diff] [blame] | 5668 | temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY); |
Bryan Freed | aa9b500 | 2011-01-12 13:43:19 -0800 | [diff] [blame] | 5669 | if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) |
Chris Wilson | 284d5df | 2012-04-14 17:41:59 +0100 | [diff] [blame] | 5670 | temp |= LVDS_HSYNC_POLARITY; |
Bryan Freed | aa9b500 | 2011-01-12 13:43:19 -0800 | [diff] [blame] | 5671 | if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) |
Chris Wilson | 284d5df | 2012-04-14 17:41:59 +0100 | [diff] [blame] | 5672 | temp |= LVDS_VSYNC_POLARITY; |
Eric Anholt | fae1498 | 2011-03-30 13:01:09 -0700 | [diff] [blame] | 5673 | I915_WRITE(PCH_LVDS, temp); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5674 | } |
Jesse Barnes | 434ed09 | 2010-09-07 14:48:06 -0700 | [diff] [blame] | 5675 | |
Jesse Barnes | e3aef17 | 2012-04-10 11:58:03 -0700 | [diff] [blame] | 5676 | if (is_dp && !is_cpu_edp) { |
Keith Packard | a4fc5ed | 2009-04-07 16:16:42 -0700 | [diff] [blame] | 5677 | intel_dp_set_m_n(crtc, mode, adjusted_mode); |
Eric Anholt | 8febb29 | 2011-03-30 13:01:07 -0700 | [diff] [blame] | 5678 | } else { |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 5679 | /* For non-DP output, clear any trans DP clock recovery setting.*/ |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 5680 | I915_WRITE(TRANSDATA_M1(pipe), 0); |
| 5681 | I915_WRITE(TRANSDATA_N1(pipe), 0); |
| 5682 | I915_WRITE(TRANSDPLINK_M1(pipe), 0); |
| 5683 | I915_WRITE(TRANSDPLINK_N1(pipe), 0); |
Zhenyu Wang | 8db9d77 | 2010-04-07 16:15:54 +0800 | [diff] [blame] | 5684 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5685 | |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 5686 | if (intel_crtc->pch_pll) { |
| 5687 | I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll); |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 5688 | |
Zhenyu Wang | 32f9d65 | 2009-07-24 01:00:32 +0800 | [diff] [blame] | 5689 | /* Wait for the clocks to stabilize. */ |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 5690 | POSTING_READ(intel_crtc->pch_pll->pll_reg); |
Zhenyu Wang | 32f9d65 | 2009-07-24 01:00:32 +0800 | [diff] [blame] | 5691 | udelay(150); |
| 5692 | |
Eric Anholt | 8febb29 | 2011-03-30 13:01:07 -0700 | [diff] [blame] | 5693 | /* The pixel multiplier can only be updated once the |
| 5694 | * DPLL is enabled and the clocks are stable. |
| 5695 | * |
| 5696 | * So write it again. |
| 5697 | */ |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 5698 | I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5699 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5700 | |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 5701 | intel_crtc->lowfreq_avail = false; |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 5702 | if (intel_crtc->pch_pll) { |
Jesse Barnes | 4b645f1 | 2011-10-12 09:51:31 -0700 | [diff] [blame] | 5703 | if (is_lvds && has_reduced_clock && i915_powersave) { |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 5704 | I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp2); |
Jesse Barnes | 4b645f1 | 2011-10-12 09:51:31 -0700 | [diff] [blame] | 5705 | intel_crtc->lowfreq_avail = true; |
Jesse Barnes | 4b645f1 | 2011-10-12 09:51:31 -0700 | [diff] [blame] | 5706 | } else { |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 5707 | I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 5708 | } |
| 5709 | } |
| 5710 | |
Paulo Zanoni | b0e77b9 | 2012-10-01 18:10:53 -0300 | [diff] [blame] | 5711 | intel_set_pipe_timings(intel_crtc, mode, adjusted_mode); |
Krzysztof Halasa | 734b415 | 2010-05-25 18:41:46 +0200 | [diff] [blame] | 5712 | |
Daniel Vetter | 01a415f | 2012-10-27 15:58:40 +0200 | [diff] [blame] | 5713 | /* Note, this also computes intel_crtc->fdi_lanes which is used below in |
| 5714 | * ironlake_check_fdi_lanes. */ |
Paulo Zanoni | f48d8f2 | 2012-09-20 18:36:04 -0300 | [diff] [blame] | 5715 | ironlake_set_m_n(crtc, mode, adjusted_mode); |
Chris Wilson | 5eddb70 | 2010-09-11 13:48:45 +0100 | [diff] [blame] | 5716 | |
Daniel Vetter | 01a415f | 2012-10-27 15:58:40 +0200 | [diff] [blame] | 5717 | fdi_config_ok = ironlake_check_fdi_lanes(intel_crtc); |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 5718 | |
Jesse Barnes | e3aef17 | 2012-04-10 11:58:03 -0700 | [diff] [blame] | 5719 | if (is_cpu_edp) |
Eric Anholt | 8febb29 | 2011-03-30 13:01:07 -0700 | [diff] [blame] | 5720 | ironlake_set_pll_edp(crtc, adjusted_mode->clock); |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 5721 | |
Paulo Zanoni | c820356 | 2012-09-12 10:06:29 -0300 | [diff] [blame] | 5722 | ironlake_set_pipeconf(crtc, adjusted_mode, dither); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5723 | |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 5724 | intel_wait_for_vblank(dev, pipe); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5725 | |
Paulo Zanoni | a1f9e77 | 2012-09-12 10:06:32 -0300 | [diff] [blame] | 5726 | /* Set up the display plane register */ |
| 5727 | I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE); |
Jesse Barnes | b24e717 | 2011-01-04 15:09:30 -0800 | [diff] [blame] | 5728 | POSTING_READ(DSPCNTR(plane)); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5729 | |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 5730 | ret = intel_pipe_set_base(crtc, x, y, fb); |
Shaohua Li | 7662c8b | 2009-06-26 11:23:55 +0800 | [diff] [blame] | 5731 | |
| 5732 | intel_update_watermarks(dev); |
| 5733 | |
Eugeni Dodonov | 1f8eeab | 2012-05-09 15:37:24 -0300 | [diff] [blame] | 5734 | intel_update_linetime_watermarks(dev, pipe, adjusted_mode); |
| 5735 | |
Daniel Vetter | 01a415f | 2012-10-27 15:58:40 +0200 | [diff] [blame] | 5736 | return fdi_config_ok ? ret : -EINVAL; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5737 | } |
| 5738 | |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5739 | static int haswell_crtc_mode_set(struct drm_crtc *crtc, |
| 5740 | struct drm_display_mode *mode, |
| 5741 | struct drm_display_mode *adjusted_mode, |
| 5742 | int x, int y, |
| 5743 | struct drm_framebuffer *fb) |
| 5744 | { |
| 5745 | struct drm_device *dev = crtc->dev; |
| 5746 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 5747 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 5748 | int pipe = intel_crtc->pipe; |
| 5749 | int plane = intel_crtc->plane; |
| 5750 | int num_connectors = 0; |
| 5751 | intel_clock_t clock, reduced_clock; |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5752 | u32 dpll = 0, fp = 0, fp2 = 0; |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5753 | bool ok, has_reduced_clock = false; |
| 5754 | bool is_lvds = false, is_dp = false, is_cpu_edp = false; |
| 5755 | struct intel_encoder *encoder; |
| 5756 | u32 temp; |
| 5757 | int ret; |
| 5758 | bool dither; |
| 5759 | |
| 5760 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
| 5761 | switch (encoder->type) { |
| 5762 | case INTEL_OUTPUT_LVDS: |
| 5763 | is_lvds = true; |
| 5764 | break; |
| 5765 | case INTEL_OUTPUT_DISPLAYPORT: |
| 5766 | is_dp = true; |
| 5767 | break; |
| 5768 | case INTEL_OUTPUT_EDP: |
| 5769 | is_dp = true; |
| 5770 | if (!intel_encoder_is_pch_edp(&encoder->base)) |
| 5771 | is_cpu_edp = true; |
| 5772 | break; |
| 5773 | } |
| 5774 | |
| 5775 | num_connectors++; |
| 5776 | } |
| 5777 | |
Paulo Zanoni | a5c961d | 2012-10-24 15:59:34 -0200 | [diff] [blame] | 5778 | if (is_cpu_edp) |
| 5779 | intel_crtc->cpu_transcoder = TRANSCODER_EDP; |
| 5780 | else |
| 5781 | intel_crtc->cpu_transcoder = pipe; |
| 5782 | |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5783 | /* We are not sure yet this won't happen. */ |
| 5784 | WARN(!HAS_PCH_LPT(dev), "Unexpected PCH type %d\n", |
| 5785 | INTEL_PCH_TYPE(dev)); |
| 5786 | |
| 5787 | WARN(num_connectors != 1, "%d connectors attached to pipe %c\n", |
| 5788 | num_connectors, pipe_name(pipe)); |
| 5789 | |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 5790 | WARN_ON(I915_READ(PIPECONF(intel_crtc->cpu_transcoder)) & |
Paulo Zanoni | 1ce4292 | 2012-10-05 12:06:01 -0300 | [diff] [blame] | 5791 | (PIPECONF_ENABLE | I965_PIPECONF_ACTIVE)); |
| 5792 | |
| 5793 | WARN_ON(I915_READ(DSPCNTR(plane)) & DISPLAY_PLANE_ENABLE); |
| 5794 | |
Paulo Zanoni | 6441ab5 | 2012-10-05 12:05:58 -0300 | [diff] [blame] | 5795 | if (!intel_ddi_pll_mode_set(crtc, adjusted_mode->clock)) |
| 5796 | return -EINVAL; |
| 5797 | |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5798 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { |
| 5799 | ok = ironlake_compute_clocks(crtc, adjusted_mode, &clock, |
| 5800 | &has_reduced_clock, |
| 5801 | &reduced_clock); |
| 5802 | if (!ok) { |
| 5803 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
| 5804 | return -EINVAL; |
| 5805 | } |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5806 | } |
| 5807 | |
| 5808 | /* Ensure that the cursor is valid for the new mode before changing... */ |
| 5809 | intel_crtc_update_cursor(crtc, true); |
| 5810 | |
| 5811 | /* determine panel color depth */ |
Jani Nikula | c824196 | 2012-11-02 10:19:55 +0200 | [diff] [blame] | 5812 | dither = intel_choose_pipe_bpp_dither(crtc, fb, &intel_crtc->bpp, |
| 5813 | adjusted_mode); |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5814 | if (is_lvds && dev_priv->lvds_dither) |
| 5815 | dither = true; |
| 5816 | |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5817 | DRM_DEBUG_KMS("Mode for pipe %d:\n", pipe); |
| 5818 | drm_mode_debug_printmodeline(mode); |
| 5819 | |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5820 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { |
| 5821 | fp = clock.n << 16 | clock.m1 << 8 | clock.m2; |
| 5822 | if (has_reduced_clock) |
| 5823 | fp2 = reduced_clock.n << 16 | reduced_clock.m1 << 8 | |
| 5824 | reduced_clock.m2; |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5825 | |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5826 | dpll = ironlake_compute_dpll(intel_crtc, adjusted_mode, &clock, |
| 5827 | fp); |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5828 | |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5829 | /* CPU eDP is the only output that doesn't need a PCH PLL of its |
| 5830 | * own on pre-Haswell/LPT generation */ |
| 5831 | if (!is_cpu_edp) { |
| 5832 | struct intel_pch_pll *pll; |
| 5833 | |
| 5834 | pll = intel_get_pch_pll(intel_crtc, dpll, fp); |
| 5835 | if (pll == NULL) { |
| 5836 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %d\n", |
| 5837 | pipe); |
| 5838 | return -EINVAL; |
| 5839 | } |
| 5840 | } else |
| 5841 | intel_put_pch_pll(intel_crtc); |
| 5842 | |
| 5843 | /* The LVDS pin pair needs to be on before the DPLLs are |
| 5844 | * enabled. This is an exception to the general rule that |
| 5845 | * mode_set doesn't turn things on. |
| 5846 | */ |
| 5847 | if (is_lvds) { |
| 5848 | temp = I915_READ(PCH_LVDS); |
| 5849 | temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP; |
| 5850 | if (HAS_PCH_CPT(dev)) { |
| 5851 | temp &= ~PORT_TRANS_SEL_MASK; |
| 5852 | temp |= PORT_TRANS_SEL_CPT(pipe); |
| 5853 | } else { |
| 5854 | if (pipe == 1) |
| 5855 | temp |= LVDS_PIPEB_SELECT; |
| 5856 | else |
| 5857 | temp &= ~LVDS_PIPEB_SELECT; |
| 5858 | } |
| 5859 | |
| 5860 | /* set the corresponsding LVDS_BORDER bit */ |
| 5861 | temp |= dev_priv->lvds_border_bits; |
| 5862 | /* Set the B0-B3 data pairs corresponding to whether |
| 5863 | * we're going to set the DPLLs for dual-channel mode or |
| 5864 | * not. |
| 5865 | */ |
| 5866 | if (clock.p2 == 7) |
| 5867 | temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5868 | else |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5869 | temp &= ~(LVDS_B0B3_POWER_UP | |
| 5870 | LVDS_CLKB_POWER_UP); |
| 5871 | |
| 5872 | /* It would be nice to set 24 vs 18-bit mode |
| 5873 | * (LVDS_A3_POWER_UP) appropriately here, but we need to |
| 5874 | * look more thoroughly into how panels behave in the |
| 5875 | * two modes. |
| 5876 | */ |
| 5877 | temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY); |
| 5878 | if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) |
| 5879 | temp |= LVDS_HSYNC_POLARITY; |
| 5880 | if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) |
| 5881 | temp |= LVDS_VSYNC_POLARITY; |
| 5882 | I915_WRITE(PCH_LVDS, temp); |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5883 | } |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5884 | } |
| 5885 | |
| 5886 | if (is_dp && !is_cpu_edp) { |
| 5887 | intel_dp_set_m_n(crtc, mode, adjusted_mode); |
| 5888 | } else { |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5889 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { |
| 5890 | /* For non-DP output, clear any trans DP clock recovery |
| 5891 | * setting.*/ |
| 5892 | I915_WRITE(TRANSDATA_M1(pipe), 0); |
| 5893 | I915_WRITE(TRANSDATA_N1(pipe), 0); |
| 5894 | I915_WRITE(TRANSDPLINK_M1(pipe), 0); |
| 5895 | I915_WRITE(TRANSDPLINK_N1(pipe), 0); |
| 5896 | } |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5897 | } |
| 5898 | |
| 5899 | intel_crtc->lowfreq_avail = false; |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5900 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { |
| 5901 | if (intel_crtc->pch_pll) { |
| 5902 | I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll); |
| 5903 | |
| 5904 | /* Wait for the clocks to stabilize. */ |
| 5905 | POSTING_READ(intel_crtc->pch_pll->pll_reg); |
| 5906 | udelay(150); |
| 5907 | |
| 5908 | /* The pixel multiplier can only be updated once the |
| 5909 | * DPLL is enabled and the clocks are stable. |
| 5910 | * |
| 5911 | * So write it again. |
| 5912 | */ |
| 5913 | I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll); |
| 5914 | } |
| 5915 | |
| 5916 | if (intel_crtc->pch_pll) { |
| 5917 | if (is_lvds && has_reduced_clock && i915_powersave) { |
| 5918 | I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp2); |
| 5919 | intel_crtc->lowfreq_avail = true; |
| 5920 | } else { |
| 5921 | I915_WRITE(intel_crtc->pch_pll->fp1_reg, fp); |
| 5922 | } |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5923 | } |
| 5924 | } |
| 5925 | |
| 5926 | intel_set_pipe_timings(intel_crtc, mode, adjusted_mode); |
| 5927 | |
Paulo Zanoni | 1eb8dfe | 2012-10-18 12:42:10 -0300 | [diff] [blame] | 5928 | if (!is_dp || is_cpu_edp) |
| 5929 | ironlake_set_m_n(crtc, mode, adjusted_mode); |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5930 | |
Paulo Zanoni | 5dc5298 | 2012-10-05 12:05:56 -0300 | [diff] [blame] | 5931 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) |
| 5932 | if (is_cpu_edp) |
| 5933 | ironlake_set_pll_edp(crtc, adjusted_mode->clock); |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5934 | |
Paulo Zanoni | ee2b0b3 | 2012-10-05 12:05:57 -0300 | [diff] [blame] | 5935 | haswell_set_pipeconf(crtc, adjusted_mode, dither); |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5936 | |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 5937 | /* Set up the display plane register */ |
| 5938 | I915_WRITE(DSPCNTR(plane), DISPPLANE_GAMMA_ENABLE); |
| 5939 | POSTING_READ(DSPCNTR(plane)); |
| 5940 | |
| 5941 | ret = intel_pipe_set_base(crtc, x, y, fb); |
| 5942 | |
| 5943 | intel_update_watermarks(dev); |
| 5944 | |
| 5945 | intel_update_linetime_watermarks(dev, pipe, adjusted_mode); |
| 5946 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5947 | return ret; |
| 5948 | } |
| 5949 | |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 5950 | static int intel_crtc_mode_set(struct drm_crtc *crtc, |
| 5951 | struct drm_display_mode *mode, |
| 5952 | struct drm_display_mode *adjusted_mode, |
| 5953 | int x, int y, |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 5954 | struct drm_framebuffer *fb) |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 5955 | { |
| 5956 | struct drm_device *dev = crtc->dev; |
| 5957 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 9256aa1 | 2012-10-31 19:26:13 +0100 | [diff] [blame] | 5958 | struct drm_encoder_helper_funcs *encoder_funcs; |
| 5959 | struct intel_encoder *encoder; |
Eric Anholt | 0b701d2 | 2011-03-30 13:01:03 -0700 | [diff] [blame] | 5960 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 5961 | int pipe = intel_crtc->pipe; |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 5962 | int ret; |
| 5963 | |
Eric Anholt | 0b701d2 | 2011-03-30 13:01:03 -0700 | [diff] [blame] | 5964 | drm_vblank_pre_modeset(dev, pipe); |
| 5965 | |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 5966 | ret = dev_priv->display.crtc_mode_set(crtc, mode, adjusted_mode, |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 5967 | x, y, fb); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5968 | drm_vblank_post_modeset(dev, pipe); |
| 5969 | |
Daniel Vetter | 9256aa1 | 2012-10-31 19:26:13 +0100 | [diff] [blame] | 5970 | if (ret != 0) |
| 5971 | return ret; |
| 5972 | |
| 5973 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
| 5974 | DRM_DEBUG_KMS("[ENCODER:%d:%s] set [MODE:%d:%s]\n", |
| 5975 | encoder->base.base.id, |
| 5976 | drm_get_encoder_name(&encoder->base), |
| 5977 | mode->base.id, mode->name); |
| 5978 | encoder_funcs = encoder->base.helper_private; |
| 5979 | encoder_funcs->mode_set(&encoder->base, mode, adjusted_mode); |
| 5980 | } |
| 5981 | |
| 5982 | return 0; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 5983 | } |
| 5984 | |
Wu Fengguang | 3a9627f | 2011-12-09 20:42:19 +0800 | [diff] [blame] | 5985 | static bool intel_eld_uptodate(struct drm_connector *connector, |
| 5986 | int reg_eldv, uint32_t bits_eldv, |
| 5987 | int reg_elda, uint32_t bits_elda, |
| 5988 | int reg_edid) |
| 5989 | { |
| 5990 | struct drm_i915_private *dev_priv = connector->dev->dev_private; |
| 5991 | uint8_t *eld = connector->eld; |
| 5992 | uint32_t i; |
| 5993 | |
| 5994 | i = I915_READ(reg_eldv); |
| 5995 | i &= bits_eldv; |
| 5996 | |
| 5997 | if (!eld[0]) |
| 5998 | return !i; |
| 5999 | |
| 6000 | if (!i) |
| 6001 | return false; |
| 6002 | |
| 6003 | i = I915_READ(reg_elda); |
| 6004 | i &= ~bits_elda; |
| 6005 | I915_WRITE(reg_elda, i); |
| 6006 | |
| 6007 | for (i = 0; i < eld[2]; i++) |
| 6008 | if (I915_READ(reg_edid) != *((uint32_t *)eld + i)) |
| 6009 | return false; |
| 6010 | |
| 6011 | return true; |
| 6012 | } |
| 6013 | |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6014 | static void g4x_write_eld(struct drm_connector *connector, |
| 6015 | struct drm_crtc *crtc) |
| 6016 | { |
| 6017 | struct drm_i915_private *dev_priv = connector->dev->dev_private; |
| 6018 | uint8_t *eld = connector->eld; |
| 6019 | uint32_t eldv; |
| 6020 | uint32_t len; |
| 6021 | uint32_t i; |
| 6022 | |
| 6023 | i = I915_READ(G4X_AUD_VID_DID); |
| 6024 | |
| 6025 | if (i == INTEL_AUDIO_DEVBLC || i == INTEL_AUDIO_DEVCL) |
| 6026 | eldv = G4X_ELDV_DEVCL_DEVBLC; |
| 6027 | else |
| 6028 | eldv = G4X_ELDV_DEVCTG; |
| 6029 | |
Wu Fengguang | 3a9627f | 2011-12-09 20:42:19 +0800 | [diff] [blame] | 6030 | if (intel_eld_uptodate(connector, |
| 6031 | G4X_AUD_CNTL_ST, eldv, |
| 6032 | G4X_AUD_CNTL_ST, G4X_ELD_ADDR, |
| 6033 | G4X_HDMIW_HDMIEDID)) |
| 6034 | return; |
| 6035 | |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6036 | i = I915_READ(G4X_AUD_CNTL_ST); |
| 6037 | i &= ~(eldv | G4X_ELD_ADDR); |
| 6038 | len = (i >> 9) & 0x1f; /* ELD buffer size */ |
| 6039 | I915_WRITE(G4X_AUD_CNTL_ST, i); |
| 6040 | |
| 6041 | if (!eld[0]) |
| 6042 | return; |
| 6043 | |
| 6044 | len = min_t(uint8_t, eld[2], len); |
| 6045 | DRM_DEBUG_DRIVER("ELD size %d\n", len); |
| 6046 | for (i = 0; i < len; i++) |
| 6047 | I915_WRITE(G4X_HDMIW_HDMIEDID, *((uint32_t *)eld + i)); |
| 6048 | |
| 6049 | i = I915_READ(G4X_AUD_CNTL_ST); |
| 6050 | i |= eldv; |
| 6051 | I915_WRITE(G4X_AUD_CNTL_ST, i); |
| 6052 | } |
| 6053 | |
Wang Xingchao | 83358c85 | 2012-08-16 22:43:37 +0800 | [diff] [blame] | 6054 | static void haswell_write_eld(struct drm_connector *connector, |
| 6055 | struct drm_crtc *crtc) |
| 6056 | { |
| 6057 | struct drm_i915_private *dev_priv = connector->dev->dev_private; |
| 6058 | uint8_t *eld = connector->eld; |
| 6059 | struct drm_device *dev = crtc->dev; |
| 6060 | uint32_t eldv; |
| 6061 | uint32_t i; |
| 6062 | int len; |
| 6063 | int pipe = to_intel_crtc(crtc)->pipe; |
| 6064 | int tmp; |
| 6065 | |
| 6066 | int hdmiw_hdmiedid = HSW_AUD_EDID_DATA(pipe); |
| 6067 | int aud_cntl_st = HSW_AUD_DIP_ELD_CTRL(pipe); |
| 6068 | int aud_config = HSW_AUD_CFG(pipe); |
| 6069 | int aud_cntrl_st2 = HSW_AUD_PIN_ELD_CP_VLD; |
| 6070 | |
| 6071 | |
| 6072 | DRM_DEBUG_DRIVER("HDMI: Haswell Audio initialize....\n"); |
| 6073 | |
| 6074 | /* Audio output enable */ |
| 6075 | DRM_DEBUG_DRIVER("HDMI audio: enable codec\n"); |
| 6076 | tmp = I915_READ(aud_cntrl_st2); |
| 6077 | tmp |= (AUDIO_OUTPUT_ENABLE_A << (pipe * 4)); |
| 6078 | I915_WRITE(aud_cntrl_st2, tmp); |
| 6079 | |
| 6080 | /* Wait for 1 vertical blank */ |
| 6081 | intel_wait_for_vblank(dev, pipe); |
| 6082 | |
| 6083 | /* Set ELD valid state */ |
| 6084 | tmp = I915_READ(aud_cntrl_st2); |
| 6085 | DRM_DEBUG_DRIVER("HDMI audio: pin eld vld status=0x%8x\n", tmp); |
| 6086 | tmp |= (AUDIO_ELD_VALID_A << (pipe * 4)); |
| 6087 | I915_WRITE(aud_cntrl_st2, tmp); |
| 6088 | tmp = I915_READ(aud_cntrl_st2); |
| 6089 | DRM_DEBUG_DRIVER("HDMI audio: eld vld status=0x%8x\n", tmp); |
| 6090 | |
| 6091 | /* Enable HDMI mode */ |
| 6092 | tmp = I915_READ(aud_config); |
| 6093 | DRM_DEBUG_DRIVER("HDMI audio: audio conf: 0x%8x\n", tmp); |
| 6094 | /* clear N_programing_enable and N_value_index */ |
| 6095 | tmp &= ~(AUD_CONFIG_N_VALUE_INDEX | AUD_CONFIG_N_PROG_ENABLE); |
| 6096 | I915_WRITE(aud_config, tmp); |
| 6097 | |
| 6098 | DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(pipe)); |
| 6099 | |
| 6100 | eldv = AUDIO_ELD_VALID_A << (pipe * 4); |
| 6101 | |
| 6102 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { |
| 6103 | DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n"); |
| 6104 | eld[5] |= (1 << 2); /* Conn_Type, 0x1 = DisplayPort */ |
| 6105 | I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */ |
| 6106 | } else |
| 6107 | I915_WRITE(aud_config, 0); |
| 6108 | |
| 6109 | if (intel_eld_uptodate(connector, |
| 6110 | aud_cntrl_st2, eldv, |
| 6111 | aud_cntl_st, IBX_ELD_ADDRESS, |
| 6112 | hdmiw_hdmiedid)) |
| 6113 | return; |
| 6114 | |
| 6115 | i = I915_READ(aud_cntrl_st2); |
| 6116 | i &= ~eldv; |
| 6117 | I915_WRITE(aud_cntrl_st2, i); |
| 6118 | |
| 6119 | if (!eld[0]) |
| 6120 | return; |
| 6121 | |
| 6122 | i = I915_READ(aud_cntl_st); |
| 6123 | i &= ~IBX_ELD_ADDRESS; |
| 6124 | I915_WRITE(aud_cntl_st, i); |
| 6125 | i = (i >> 29) & DIP_PORT_SEL_MASK; /* DIP_Port_Select, 0x1 = PortB */ |
| 6126 | DRM_DEBUG_DRIVER("port num:%d\n", i); |
| 6127 | |
| 6128 | len = min_t(uint8_t, eld[2], 21); /* 84 bytes of hw ELD buffer */ |
| 6129 | DRM_DEBUG_DRIVER("ELD size %d\n", len); |
| 6130 | for (i = 0; i < len; i++) |
| 6131 | I915_WRITE(hdmiw_hdmiedid, *((uint32_t *)eld + i)); |
| 6132 | |
| 6133 | i = I915_READ(aud_cntrl_st2); |
| 6134 | i |= eldv; |
| 6135 | I915_WRITE(aud_cntrl_st2, i); |
| 6136 | |
| 6137 | } |
| 6138 | |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6139 | static void ironlake_write_eld(struct drm_connector *connector, |
| 6140 | struct drm_crtc *crtc) |
| 6141 | { |
| 6142 | struct drm_i915_private *dev_priv = connector->dev->dev_private; |
| 6143 | uint8_t *eld = connector->eld; |
| 6144 | uint32_t eldv; |
| 6145 | uint32_t i; |
| 6146 | int len; |
| 6147 | int hdmiw_hdmiedid; |
Wu Fengguang | b6daa02 | 2012-01-06 14:41:31 -0600 | [diff] [blame] | 6148 | int aud_config; |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6149 | int aud_cntl_st; |
| 6150 | int aud_cntrl_st2; |
Wang Xingchao | 9b138a8 | 2012-08-09 16:52:18 +0800 | [diff] [blame] | 6151 | int pipe = to_intel_crtc(crtc)->pipe; |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6152 | |
Wu Fengguang | b3f33cb | 2011-12-09 20:42:17 +0800 | [diff] [blame] | 6153 | if (HAS_PCH_IBX(connector->dev)) { |
Wang Xingchao | 9b138a8 | 2012-08-09 16:52:18 +0800 | [diff] [blame] | 6154 | hdmiw_hdmiedid = IBX_HDMIW_HDMIEDID(pipe); |
| 6155 | aud_config = IBX_AUD_CFG(pipe); |
| 6156 | aud_cntl_st = IBX_AUD_CNTL_ST(pipe); |
Wu Fengguang | 1202b4c6 | 2011-12-09 20:42:18 +0800 | [diff] [blame] | 6157 | aud_cntrl_st2 = IBX_AUD_CNTL_ST2; |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6158 | } else { |
Wang Xingchao | 9b138a8 | 2012-08-09 16:52:18 +0800 | [diff] [blame] | 6159 | hdmiw_hdmiedid = CPT_HDMIW_HDMIEDID(pipe); |
| 6160 | aud_config = CPT_AUD_CFG(pipe); |
| 6161 | aud_cntl_st = CPT_AUD_CNTL_ST(pipe); |
Wu Fengguang | 1202b4c6 | 2011-12-09 20:42:18 +0800 | [diff] [blame] | 6162 | aud_cntrl_st2 = CPT_AUD_CNTRL_ST2; |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6163 | } |
| 6164 | |
Wang Xingchao | 9b138a8 | 2012-08-09 16:52:18 +0800 | [diff] [blame] | 6165 | DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(pipe)); |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6166 | |
| 6167 | i = I915_READ(aud_cntl_st); |
Wang Xingchao | 9b138a8 | 2012-08-09 16:52:18 +0800 | [diff] [blame] | 6168 | i = (i >> 29) & DIP_PORT_SEL_MASK; /* DIP_Port_Select, 0x1 = PortB */ |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6169 | if (!i) { |
| 6170 | DRM_DEBUG_DRIVER("Audio directed to unknown port\n"); |
| 6171 | /* operate blindly on all ports */ |
Wu Fengguang | 1202b4c6 | 2011-12-09 20:42:18 +0800 | [diff] [blame] | 6172 | eldv = IBX_ELD_VALIDB; |
| 6173 | eldv |= IBX_ELD_VALIDB << 4; |
| 6174 | eldv |= IBX_ELD_VALIDB << 8; |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6175 | } else { |
| 6176 | DRM_DEBUG_DRIVER("ELD on port %c\n", 'A' + i); |
Wu Fengguang | 1202b4c6 | 2011-12-09 20:42:18 +0800 | [diff] [blame] | 6177 | eldv = IBX_ELD_VALIDB << ((i - 1) * 4); |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6178 | } |
| 6179 | |
Wu Fengguang | 3a9627f | 2011-12-09 20:42:19 +0800 | [diff] [blame] | 6180 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) { |
| 6181 | DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n"); |
| 6182 | eld[5] |= (1 << 2); /* Conn_Type, 0x1 = DisplayPort */ |
Wu Fengguang | b6daa02 | 2012-01-06 14:41:31 -0600 | [diff] [blame] | 6183 | I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */ |
| 6184 | } else |
| 6185 | I915_WRITE(aud_config, 0); |
Wu Fengguang | 3a9627f | 2011-12-09 20:42:19 +0800 | [diff] [blame] | 6186 | |
| 6187 | if (intel_eld_uptodate(connector, |
| 6188 | aud_cntrl_st2, eldv, |
| 6189 | aud_cntl_st, IBX_ELD_ADDRESS, |
| 6190 | hdmiw_hdmiedid)) |
| 6191 | return; |
| 6192 | |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6193 | i = I915_READ(aud_cntrl_st2); |
| 6194 | i &= ~eldv; |
| 6195 | I915_WRITE(aud_cntrl_st2, i); |
| 6196 | |
| 6197 | if (!eld[0]) |
| 6198 | return; |
| 6199 | |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6200 | i = I915_READ(aud_cntl_st); |
Wu Fengguang | 1202b4c6 | 2011-12-09 20:42:18 +0800 | [diff] [blame] | 6201 | i &= ~IBX_ELD_ADDRESS; |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 6202 | I915_WRITE(aud_cntl_st, i); |
| 6203 | |
| 6204 | len = min_t(uint8_t, eld[2], 21); /* 84 bytes of hw ELD buffer */ |
| 6205 | DRM_DEBUG_DRIVER("ELD size %d\n", len); |
| 6206 | for (i = 0; i < len; i++) |
| 6207 | I915_WRITE(hdmiw_hdmiedid, *((uint32_t *)eld + i)); |
| 6208 | |
| 6209 | i = I915_READ(aud_cntrl_st2); |
| 6210 | i |= eldv; |
| 6211 | I915_WRITE(aud_cntrl_st2, i); |
| 6212 | } |
| 6213 | |
| 6214 | void intel_write_eld(struct drm_encoder *encoder, |
| 6215 | struct drm_display_mode *mode) |
| 6216 | { |
| 6217 | struct drm_crtc *crtc = encoder->crtc; |
| 6218 | struct drm_connector *connector; |
| 6219 | struct drm_device *dev = encoder->dev; |
| 6220 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 6221 | |
| 6222 | connector = drm_select_eld(encoder, mode); |
| 6223 | if (!connector) |
| 6224 | return; |
| 6225 | |
| 6226 | DRM_DEBUG_DRIVER("ELD on [CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
| 6227 | connector->base.id, |
| 6228 | drm_get_connector_name(connector), |
| 6229 | connector->encoder->base.id, |
| 6230 | drm_get_encoder_name(connector->encoder)); |
| 6231 | |
| 6232 | connector->eld[6] = drm_av_sync_delay(connector, mode) / 2; |
| 6233 | |
| 6234 | if (dev_priv->display.write_eld) |
| 6235 | dev_priv->display.write_eld(connector, crtc); |
| 6236 | } |
| 6237 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6238 | /** Loads the palette/gamma unit for the CRTC with the prepared values */ |
| 6239 | void intel_crtc_load_lut(struct drm_crtc *crtc) |
| 6240 | { |
| 6241 | struct drm_device *dev = crtc->dev; |
| 6242 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 6243 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 6244 | int palreg = PALETTE(intel_crtc->pipe); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6245 | int i; |
| 6246 | |
| 6247 | /* The clocks have to be on to load the palette. */ |
Alban Browaeys | aed3f09 | 2012-02-24 17:12:45 +0000 | [diff] [blame] | 6248 | if (!crtc->enabled || !intel_crtc->active) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6249 | return; |
| 6250 | |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 6251 | /* use legacy palette for Ironlake */ |
Eric Anholt | bad720f | 2009-10-22 16:11:14 -0700 | [diff] [blame] | 6252 | if (HAS_PCH_SPLIT(dev)) |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 6253 | palreg = LGC_PALETTE(intel_crtc->pipe); |
Zhenyu Wang | 2c07245 | 2009-06-05 15:38:42 +0800 | [diff] [blame] | 6254 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6255 | for (i = 0; i < 256; i++) { |
| 6256 | I915_WRITE(palreg + 4 * i, |
| 6257 | (intel_crtc->lut_r[i] << 16) | |
| 6258 | (intel_crtc->lut_g[i] << 8) | |
| 6259 | intel_crtc->lut_b[i]); |
| 6260 | } |
| 6261 | } |
| 6262 | |
Chris Wilson | 560b85b | 2010-08-07 11:01:38 +0100 | [diff] [blame] | 6263 | static void i845_update_cursor(struct drm_crtc *crtc, u32 base) |
| 6264 | { |
| 6265 | struct drm_device *dev = crtc->dev; |
| 6266 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 6267 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 6268 | bool visible = base != 0; |
| 6269 | u32 cntl; |
| 6270 | |
| 6271 | if (intel_crtc->cursor_visible == visible) |
| 6272 | return; |
| 6273 | |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 6274 | cntl = I915_READ(_CURACNTR); |
Chris Wilson | 560b85b | 2010-08-07 11:01:38 +0100 | [diff] [blame] | 6275 | if (visible) { |
| 6276 | /* On these chipsets we can only modify the base whilst |
| 6277 | * the cursor is disabled. |
| 6278 | */ |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 6279 | I915_WRITE(_CURABASE, base); |
Chris Wilson | 560b85b | 2010-08-07 11:01:38 +0100 | [diff] [blame] | 6280 | |
| 6281 | cntl &= ~(CURSOR_FORMAT_MASK); |
| 6282 | /* XXX width must be 64, stride 256 => 0x00 << 28 */ |
| 6283 | cntl |= CURSOR_ENABLE | |
| 6284 | CURSOR_GAMMA_ENABLE | |
| 6285 | CURSOR_FORMAT_ARGB; |
| 6286 | } else |
| 6287 | cntl &= ~(CURSOR_ENABLE | CURSOR_GAMMA_ENABLE); |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 6288 | I915_WRITE(_CURACNTR, cntl); |
Chris Wilson | 560b85b | 2010-08-07 11:01:38 +0100 | [diff] [blame] | 6289 | |
| 6290 | intel_crtc->cursor_visible = visible; |
| 6291 | } |
| 6292 | |
| 6293 | static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base) |
| 6294 | { |
| 6295 | struct drm_device *dev = crtc->dev; |
| 6296 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 6297 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 6298 | int pipe = intel_crtc->pipe; |
| 6299 | bool visible = base != 0; |
| 6300 | |
| 6301 | if (intel_crtc->cursor_visible != visible) { |
Jesse Barnes | 548f245 | 2011-02-17 10:40:53 -0800 | [diff] [blame] | 6302 | uint32_t cntl = I915_READ(CURCNTR(pipe)); |
Chris Wilson | 560b85b | 2010-08-07 11:01:38 +0100 | [diff] [blame] | 6303 | if (base) { |
| 6304 | cntl &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT); |
| 6305 | cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; |
| 6306 | cntl |= pipe << 28; /* Connect to correct pipe */ |
| 6307 | } else { |
| 6308 | cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); |
| 6309 | cntl |= CURSOR_MODE_DISABLE; |
| 6310 | } |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 6311 | I915_WRITE(CURCNTR(pipe), cntl); |
Chris Wilson | 560b85b | 2010-08-07 11:01:38 +0100 | [diff] [blame] | 6312 | |
| 6313 | intel_crtc->cursor_visible = visible; |
| 6314 | } |
| 6315 | /* and commit changes on next vblank */ |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 6316 | I915_WRITE(CURBASE(pipe), base); |
Chris Wilson | 560b85b | 2010-08-07 11:01:38 +0100 | [diff] [blame] | 6317 | } |
| 6318 | |
Jesse Barnes | 65a21cd | 2011-10-12 11:10:21 -0700 | [diff] [blame] | 6319 | static void ivb_update_cursor(struct drm_crtc *crtc, u32 base) |
| 6320 | { |
| 6321 | struct drm_device *dev = crtc->dev; |
| 6322 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 6323 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 6324 | int pipe = intel_crtc->pipe; |
| 6325 | bool visible = base != 0; |
| 6326 | |
| 6327 | if (intel_crtc->cursor_visible != visible) { |
| 6328 | uint32_t cntl = I915_READ(CURCNTR_IVB(pipe)); |
| 6329 | if (base) { |
| 6330 | cntl &= ~CURSOR_MODE; |
| 6331 | cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; |
| 6332 | } else { |
| 6333 | cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); |
| 6334 | cntl |= CURSOR_MODE_DISABLE; |
| 6335 | } |
| 6336 | I915_WRITE(CURCNTR_IVB(pipe), cntl); |
| 6337 | |
| 6338 | intel_crtc->cursor_visible = visible; |
| 6339 | } |
| 6340 | /* and commit changes on next vblank */ |
| 6341 | I915_WRITE(CURBASE_IVB(pipe), base); |
| 6342 | } |
| 6343 | |
Chris Wilson | cda4b7d | 2010-07-09 08:45:04 +0100 | [diff] [blame] | 6344 | /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 6345 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, |
| 6346 | bool on) |
Chris Wilson | cda4b7d | 2010-07-09 08:45:04 +0100 | [diff] [blame] | 6347 | { |
| 6348 | struct drm_device *dev = crtc->dev; |
| 6349 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 6350 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 6351 | int pipe = intel_crtc->pipe; |
| 6352 | int x = intel_crtc->cursor_x; |
| 6353 | int y = intel_crtc->cursor_y; |
Chris Wilson | 560b85b | 2010-08-07 11:01:38 +0100 | [diff] [blame] | 6354 | u32 base, pos; |
Chris Wilson | cda4b7d | 2010-07-09 08:45:04 +0100 | [diff] [blame] | 6355 | bool visible; |
| 6356 | |
| 6357 | pos = 0; |
| 6358 | |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 6359 | if (on && crtc->enabled && crtc->fb) { |
Chris Wilson | cda4b7d | 2010-07-09 08:45:04 +0100 | [diff] [blame] | 6360 | base = intel_crtc->cursor_addr; |
| 6361 | if (x > (int) crtc->fb->width) |
| 6362 | base = 0; |
| 6363 | |
| 6364 | if (y > (int) crtc->fb->height) |
| 6365 | base = 0; |
| 6366 | } else |
| 6367 | base = 0; |
| 6368 | |
| 6369 | if (x < 0) { |
| 6370 | if (x + intel_crtc->cursor_width < 0) |
| 6371 | base = 0; |
| 6372 | |
| 6373 | pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; |
| 6374 | x = -x; |
| 6375 | } |
| 6376 | pos |= x << CURSOR_X_SHIFT; |
| 6377 | |
| 6378 | if (y < 0) { |
| 6379 | if (y + intel_crtc->cursor_height < 0) |
| 6380 | base = 0; |
| 6381 | |
| 6382 | pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; |
| 6383 | y = -y; |
| 6384 | } |
| 6385 | pos |= y << CURSOR_Y_SHIFT; |
| 6386 | |
| 6387 | visible = base != 0; |
Chris Wilson | 560b85b | 2010-08-07 11:01:38 +0100 | [diff] [blame] | 6388 | if (!visible && !intel_crtc->cursor_visible) |
Chris Wilson | cda4b7d | 2010-07-09 08:45:04 +0100 | [diff] [blame] | 6389 | return; |
| 6390 | |
Eugeni Dodonov | 0cd83aa | 2012-04-13 17:08:48 -0300 | [diff] [blame] | 6391 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) { |
Jesse Barnes | 65a21cd | 2011-10-12 11:10:21 -0700 | [diff] [blame] | 6392 | I915_WRITE(CURPOS_IVB(pipe), pos); |
| 6393 | ivb_update_cursor(crtc, base); |
| 6394 | } else { |
| 6395 | I915_WRITE(CURPOS(pipe), pos); |
| 6396 | if (IS_845G(dev) || IS_I865G(dev)) |
| 6397 | i845_update_cursor(crtc, base); |
| 6398 | else |
| 6399 | i9xx_update_cursor(crtc, base); |
| 6400 | } |
Chris Wilson | cda4b7d | 2010-07-09 08:45:04 +0100 | [diff] [blame] | 6401 | } |
| 6402 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6403 | static int intel_crtc_cursor_set(struct drm_crtc *crtc, |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6404 | struct drm_file *file, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6405 | uint32_t handle, |
| 6406 | uint32_t width, uint32_t height) |
| 6407 | { |
| 6408 | struct drm_device *dev = crtc->dev; |
| 6409 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 6410 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6411 | struct drm_i915_gem_object *obj; |
Chris Wilson | cda4b7d | 2010-07-09 08:45:04 +0100 | [diff] [blame] | 6412 | uint32_t addr; |
Kristian Høgsberg | 3f8bc37 | 2008-12-17 22:14:59 -0500 | [diff] [blame] | 6413 | int ret; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6414 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6415 | /* if we want to turn off the cursor ignore width and height */ |
| 6416 | if (!handle) { |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 6417 | DRM_DEBUG_KMS("cursor off\n"); |
Kristian Høgsberg | 3f8bc37 | 2008-12-17 22:14:59 -0500 | [diff] [blame] | 6418 | addr = 0; |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6419 | obj = NULL; |
Pierre Willenbrock | 5004417 | 2009-02-23 10:12:15 +1000 | [diff] [blame] | 6420 | mutex_lock(&dev->struct_mutex); |
Kristian Høgsberg | 3f8bc37 | 2008-12-17 22:14:59 -0500 | [diff] [blame] | 6421 | goto finish; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6422 | } |
| 6423 | |
| 6424 | /* Currently we only support 64x64 cursors */ |
| 6425 | if (width != 64 || height != 64) { |
| 6426 | DRM_ERROR("we currently only support 64x64 cursors\n"); |
| 6427 | return -EINVAL; |
| 6428 | } |
| 6429 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6430 | obj = to_intel_bo(drm_gem_object_lookup(dev, file, handle)); |
Chris Wilson | c872522 | 2011-02-19 11:31:06 +0000 | [diff] [blame] | 6431 | if (&obj->base == NULL) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6432 | return -ENOENT; |
| 6433 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6434 | if (obj->base.size < width * height * 4) { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6435 | DRM_ERROR("buffer is to small\n"); |
Dave Airlie | 34b8686e | 2009-01-15 14:03:07 +1000 | [diff] [blame] | 6436 | ret = -ENOMEM; |
| 6437 | goto fail; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6438 | } |
| 6439 | |
Dave Airlie | 71acb5e | 2008-12-30 20:31:46 +1000 | [diff] [blame] | 6440 | /* we only need to pin inside GTT if cursor is non-phy */ |
Kristian Høgsberg | 7f9872e | 2009-02-13 20:56:49 -0500 | [diff] [blame] | 6441 | mutex_lock(&dev->struct_mutex); |
Kristian Høgsberg | b295d1b | 2009-12-16 15:16:17 -0500 | [diff] [blame] | 6442 | if (!dev_priv->info->cursor_needs_physical) { |
Chris Wilson | d9e86c0 | 2010-11-10 16:40:20 +0000 | [diff] [blame] | 6443 | if (obj->tiling_mode) { |
| 6444 | DRM_ERROR("cursor cannot be tiled\n"); |
| 6445 | ret = -EINVAL; |
| 6446 | goto fail_locked; |
| 6447 | } |
| 6448 | |
Chris Wilson | 2da3b9b | 2011-04-14 09:41:17 +0100 | [diff] [blame] | 6449 | ret = i915_gem_object_pin_to_display_plane(obj, 0, NULL); |
Chris Wilson | e7b526b | 2010-06-02 08:30:48 +0100 | [diff] [blame] | 6450 | if (ret) { |
| 6451 | DRM_ERROR("failed to move cursor bo into the GTT\n"); |
Chris Wilson | 2da3b9b | 2011-04-14 09:41:17 +0100 | [diff] [blame] | 6452 | goto fail_locked; |
Chris Wilson | e7b526b | 2010-06-02 08:30:48 +0100 | [diff] [blame] | 6453 | } |
| 6454 | |
Chris Wilson | d9e86c0 | 2010-11-10 16:40:20 +0000 | [diff] [blame] | 6455 | ret = i915_gem_object_put_fence(obj); |
| 6456 | if (ret) { |
Chris Wilson | 2da3b9b | 2011-04-14 09:41:17 +0100 | [diff] [blame] | 6457 | DRM_ERROR("failed to release fence for cursor"); |
Chris Wilson | d9e86c0 | 2010-11-10 16:40:20 +0000 | [diff] [blame] | 6458 | goto fail_unpin; |
| 6459 | } |
| 6460 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6461 | addr = obj->gtt_offset; |
Dave Airlie | 71acb5e | 2008-12-30 20:31:46 +1000 | [diff] [blame] | 6462 | } else { |
Chris Wilson | 6eeefaf | 2010-08-07 11:01:39 +0100 | [diff] [blame] | 6463 | int align = IS_I830(dev) ? 16 * 1024 : 256; |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6464 | ret = i915_gem_attach_phys_object(dev, obj, |
Chris Wilson | 6eeefaf | 2010-08-07 11:01:39 +0100 | [diff] [blame] | 6465 | (intel_crtc->pipe == 0) ? I915_GEM_PHYS_CURSOR_0 : I915_GEM_PHYS_CURSOR_1, |
| 6466 | align); |
Dave Airlie | 71acb5e | 2008-12-30 20:31:46 +1000 | [diff] [blame] | 6467 | if (ret) { |
| 6468 | DRM_ERROR("failed to attach phys object\n"); |
Kristian Høgsberg | 7f9872e | 2009-02-13 20:56:49 -0500 | [diff] [blame] | 6469 | goto fail_locked; |
Dave Airlie | 71acb5e | 2008-12-30 20:31:46 +1000 | [diff] [blame] | 6470 | } |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6471 | addr = obj->phys_obj->handle->busaddr; |
Kristian Høgsberg | 3f8bc37 | 2008-12-17 22:14:59 -0500 | [diff] [blame] | 6472 | } |
| 6473 | |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 6474 | if (IS_GEN2(dev)) |
Jesse Barnes | 14b6039 | 2009-05-20 16:47:08 -0400 | [diff] [blame] | 6475 | I915_WRITE(CURSIZE, (height << 12) | width); |
| 6476 | |
Kristian Høgsberg | 3f8bc37 | 2008-12-17 22:14:59 -0500 | [diff] [blame] | 6477 | finish: |
Kristian Høgsberg | 3f8bc37 | 2008-12-17 22:14:59 -0500 | [diff] [blame] | 6478 | if (intel_crtc->cursor_bo) { |
Kristian Høgsberg | b295d1b | 2009-12-16 15:16:17 -0500 | [diff] [blame] | 6479 | if (dev_priv->info->cursor_needs_physical) { |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6480 | if (intel_crtc->cursor_bo != obj) |
Dave Airlie | 71acb5e | 2008-12-30 20:31:46 +1000 | [diff] [blame] | 6481 | i915_gem_detach_phys_object(dev, intel_crtc->cursor_bo); |
| 6482 | } else |
| 6483 | i915_gem_object_unpin(intel_crtc->cursor_bo); |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6484 | drm_gem_object_unreference(&intel_crtc->cursor_bo->base); |
Kristian Høgsberg | 3f8bc37 | 2008-12-17 22:14:59 -0500 | [diff] [blame] | 6485 | } |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 6486 | |
Kristian Høgsberg | 7f9872e | 2009-02-13 20:56:49 -0500 | [diff] [blame] | 6487 | mutex_unlock(&dev->struct_mutex); |
Kristian Høgsberg | 3f8bc37 | 2008-12-17 22:14:59 -0500 | [diff] [blame] | 6488 | |
| 6489 | intel_crtc->cursor_addr = addr; |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6490 | intel_crtc->cursor_bo = obj; |
Chris Wilson | cda4b7d | 2010-07-09 08:45:04 +0100 | [diff] [blame] | 6491 | intel_crtc->cursor_width = width; |
| 6492 | intel_crtc->cursor_height = height; |
| 6493 | |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 6494 | intel_crtc_update_cursor(crtc, true); |
Kristian Høgsberg | 3f8bc37 | 2008-12-17 22:14:59 -0500 | [diff] [blame] | 6495 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6496 | return 0; |
Chris Wilson | e7b526b | 2010-06-02 08:30:48 +0100 | [diff] [blame] | 6497 | fail_unpin: |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6498 | i915_gem_object_unpin(obj); |
Kristian Høgsberg | 7f9872e | 2009-02-13 20:56:49 -0500 | [diff] [blame] | 6499 | fail_locked: |
Dave Airlie | 34b8686e | 2009-01-15 14:03:07 +1000 | [diff] [blame] | 6500 | mutex_unlock(&dev->struct_mutex); |
Luca Barbieri | bc9025b | 2010-02-09 05:49:12 +0000 | [diff] [blame] | 6501 | fail: |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 6502 | drm_gem_object_unreference_unlocked(&obj->base); |
Dave Airlie | 34b8686e | 2009-01-15 14:03:07 +1000 | [diff] [blame] | 6503 | return ret; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6504 | } |
| 6505 | |
| 6506 | static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) |
| 6507 | { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6508 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6509 | |
Chris Wilson | cda4b7d | 2010-07-09 08:45:04 +0100 | [diff] [blame] | 6510 | intel_crtc->cursor_x = x; |
| 6511 | intel_crtc->cursor_y = y; |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6512 | |
Chris Wilson | 6b383a7 | 2010-09-13 13:54:26 +0100 | [diff] [blame] | 6513 | intel_crtc_update_cursor(crtc, true); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6514 | |
| 6515 | return 0; |
| 6516 | } |
| 6517 | |
| 6518 | /** Sets the color ramps on behalf of RandR */ |
| 6519 | void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, |
| 6520 | u16 blue, int regno) |
| 6521 | { |
| 6522 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 6523 | |
| 6524 | intel_crtc->lut_r[regno] = red >> 8; |
| 6525 | intel_crtc->lut_g[regno] = green >> 8; |
| 6526 | intel_crtc->lut_b[regno] = blue >> 8; |
| 6527 | } |
| 6528 | |
Dave Airlie | b8c00ac | 2009-10-06 13:54:01 +1000 | [diff] [blame] | 6529 | void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, |
| 6530 | u16 *blue, int regno) |
| 6531 | { |
| 6532 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 6533 | |
| 6534 | *red = intel_crtc->lut_r[regno] << 8; |
| 6535 | *green = intel_crtc->lut_g[regno] << 8; |
| 6536 | *blue = intel_crtc->lut_b[regno] << 8; |
| 6537 | } |
| 6538 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6539 | static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
James Simmons | 7203425 | 2010-08-03 01:33:19 +0100 | [diff] [blame] | 6540 | u16 *blue, uint32_t start, uint32_t size) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6541 | { |
James Simmons | 7203425 | 2010-08-03 01:33:19 +0100 | [diff] [blame] | 6542 | int end = (start + size > 256) ? 256 : start + size, i; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6543 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6544 | |
James Simmons | 7203425 | 2010-08-03 01:33:19 +0100 | [diff] [blame] | 6545 | for (i = start; i < end; i++) { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6546 | intel_crtc->lut_r[i] = red[i] >> 8; |
| 6547 | intel_crtc->lut_g[i] = green[i] >> 8; |
| 6548 | intel_crtc->lut_b[i] = blue[i] >> 8; |
| 6549 | } |
| 6550 | |
| 6551 | intel_crtc_load_lut(crtc); |
| 6552 | } |
| 6553 | |
| 6554 | /** |
| 6555 | * Get a pipe with a simple mode set on it for doing load-based monitor |
| 6556 | * detection. |
| 6557 | * |
| 6558 | * It will be up to the load-detect code to adjust the pipe as appropriate for |
Eric Anholt | c751ce4 | 2010-03-25 11:48:48 -0700 | [diff] [blame] | 6559 | * its requirements. The pipe will be connected to no other encoders. |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6560 | * |
Eric Anholt | c751ce4 | 2010-03-25 11:48:48 -0700 | [diff] [blame] | 6561 | * Currently this code will only succeed if there is a pipe with no encoders |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6562 | * configured for it. In the future, it could choose to temporarily disable |
| 6563 | * some outputs to free up a pipe for its use. |
| 6564 | * |
| 6565 | * \return crtc, or NULL if no pipes are available. |
| 6566 | */ |
| 6567 | |
| 6568 | /* VESA 640x480x72Hz mode to set on the pipe */ |
| 6569 | static struct drm_display_mode load_detect_mode = { |
| 6570 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, |
| 6571 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), |
| 6572 | }; |
| 6573 | |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6574 | static struct drm_framebuffer * |
| 6575 | intel_framebuffer_create(struct drm_device *dev, |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 6576 | struct drm_mode_fb_cmd2 *mode_cmd, |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6577 | struct drm_i915_gem_object *obj) |
| 6578 | { |
| 6579 | struct intel_framebuffer *intel_fb; |
| 6580 | int ret; |
| 6581 | |
| 6582 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
| 6583 | if (!intel_fb) { |
| 6584 | drm_gem_object_unreference_unlocked(&obj->base); |
| 6585 | return ERR_PTR(-ENOMEM); |
| 6586 | } |
| 6587 | |
| 6588 | ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); |
| 6589 | if (ret) { |
| 6590 | drm_gem_object_unreference_unlocked(&obj->base); |
| 6591 | kfree(intel_fb); |
| 6592 | return ERR_PTR(ret); |
| 6593 | } |
| 6594 | |
| 6595 | return &intel_fb->base; |
| 6596 | } |
| 6597 | |
| 6598 | static u32 |
| 6599 | intel_framebuffer_pitch_for_width(int width, int bpp) |
| 6600 | { |
| 6601 | u32 pitch = DIV_ROUND_UP(width * bpp, 8); |
| 6602 | return ALIGN(pitch, 64); |
| 6603 | } |
| 6604 | |
| 6605 | static u32 |
| 6606 | intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp) |
| 6607 | { |
| 6608 | u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp); |
| 6609 | return ALIGN(pitch * mode->vdisplay, PAGE_SIZE); |
| 6610 | } |
| 6611 | |
| 6612 | static struct drm_framebuffer * |
| 6613 | intel_framebuffer_create_for_mode(struct drm_device *dev, |
| 6614 | struct drm_display_mode *mode, |
| 6615 | int depth, int bpp) |
| 6616 | { |
| 6617 | struct drm_i915_gem_object *obj; |
Chris Wilson | 0fed39b | 2012-11-05 22:25:07 +0000 | [diff] [blame] | 6618 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6619 | |
| 6620 | obj = i915_gem_alloc_object(dev, |
| 6621 | intel_framebuffer_size_for_mode(mode, bpp)); |
| 6622 | if (obj == NULL) |
| 6623 | return ERR_PTR(-ENOMEM); |
| 6624 | |
| 6625 | mode_cmd.width = mode->hdisplay; |
| 6626 | mode_cmd.height = mode->vdisplay; |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 6627 | mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width, |
| 6628 | bpp); |
Dave Airlie | 5ca0c34 | 2012-02-23 15:33:40 +0000 | [diff] [blame] | 6629 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6630 | |
| 6631 | return intel_framebuffer_create(dev, &mode_cmd, obj); |
| 6632 | } |
| 6633 | |
| 6634 | static struct drm_framebuffer * |
| 6635 | mode_fits_in_fbdev(struct drm_device *dev, |
| 6636 | struct drm_display_mode *mode) |
| 6637 | { |
| 6638 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 6639 | struct drm_i915_gem_object *obj; |
| 6640 | struct drm_framebuffer *fb; |
| 6641 | |
| 6642 | if (dev_priv->fbdev == NULL) |
| 6643 | return NULL; |
| 6644 | |
| 6645 | obj = dev_priv->fbdev->ifb.obj; |
| 6646 | if (obj == NULL) |
| 6647 | return NULL; |
| 6648 | |
| 6649 | fb = &dev_priv->fbdev->ifb.base; |
Ville Syrjälä | 01f2c77 | 2011-12-20 00:06:49 +0200 | [diff] [blame] | 6650 | if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay, |
| 6651 | fb->bits_per_pixel)) |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6652 | return NULL; |
| 6653 | |
Ville Syrjälä | 01f2c77 | 2011-12-20 00:06:49 +0200 | [diff] [blame] | 6654 | if (obj->base.size < mode->vdisplay * fb->pitches[0]) |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6655 | return NULL; |
| 6656 | |
| 6657 | return fb; |
| 6658 | } |
| 6659 | |
Daniel Vetter | d2434ab | 2012-08-12 21:20:10 +0200 | [diff] [blame] | 6660 | bool intel_get_load_detect_pipe(struct drm_connector *connector, |
Chris Wilson | 7173188 | 2011-04-19 23:10:58 +0100 | [diff] [blame] | 6661 | struct drm_display_mode *mode, |
Chris Wilson | 8261b19 | 2011-04-19 23:18:09 +0100 | [diff] [blame] | 6662 | struct intel_load_detect_pipe *old) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6663 | { |
| 6664 | struct intel_crtc *intel_crtc; |
Daniel Vetter | d2434ab | 2012-08-12 21:20:10 +0200 | [diff] [blame] | 6665 | struct intel_encoder *intel_encoder = |
| 6666 | intel_attached_encoder(connector); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6667 | struct drm_crtc *possible_crtc; |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 6668 | struct drm_encoder *encoder = &intel_encoder->base; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6669 | struct drm_crtc *crtc = NULL; |
| 6670 | struct drm_device *dev = encoder->dev; |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 6671 | struct drm_framebuffer *fb; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6672 | int i = -1; |
| 6673 | |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6674 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
| 6675 | connector->base.id, drm_get_connector_name(connector), |
| 6676 | encoder->base.id, drm_get_encoder_name(encoder)); |
| 6677 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6678 | /* |
| 6679 | * Algorithm gets a little messy: |
Chris Wilson | 7a5e480 | 2011-04-19 23:21:12 +0100 | [diff] [blame] | 6680 | * |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6681 | * - if the connector already has an assigned crtc, use it (but make |
| 6682 | * sure it's on first) |
Chris Wilson | 7a5e480 | 2011-04-19 23:21:12 +0100 | [diff] [blame] | 6683 | * |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6684 | * - try to find the first unused crtc that can drive this connector, |
| 6685 | * and use that if we find one |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6686 | */ |
| 6687 | |
| 6688 | /* See if we already have a CRTC for this connector */ |
| 6689 | if (encoder->crtc) { |
| 6690 | crtc = encoder->crtc; |
Chris Wilson | 8261b19 | 2011-04-19 23:18:09 +0100 | [diff] [blame] | 6691 | |
Daniel Vetter | 24218aa | 2012-08-12 19:27:11 +0200 | [diff] [blame] | 6692 | old->dpms_mode = connector->dpms; |
Chris Wilson | 8261b19 | 2011-04-19 23:18:09 +0100 | [diff] [blame] | 6693 | old->load_detect_temp = false; |
| 6694 | |
| 6695 | /* Make sure the crtc and connector are running */ |
Daniel Vetter | 24218aa | 2012-08-12 19:27:11 +0200 | [diff] [blame] | 6696 | if (connector->dpms != DRM_MODE_DPMS_ON) |
| 6697 | connector->funcs->dpms(connector, DRM_MODE_DPMS_ON); |
Chris Wilson | 8261b19 | 2011-04-19 23:18:09 +0100 | [diff] [blame] | 6698 | |
Chris Wilson | 7173188 | 2011-04-19 23:10:58 +0100 | [diff] [blame] | 6699 | return true; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6700 | } |
| 6701 | |
| 6702 | /* Find an unused one (if possible) */ |
| 6703 | list_for_each_entry(possible_crtc, &dev->mode_config.crtc_list, head) { |
| 6704 | i++; |
| 6705 | if (!(encoder->possible_crtcs & (1 << i))) |
| 6706 | continue; |
| 6707 | if (!possible_crtc->enabled) { |
| 6708 | crtc = possible_crtc; |
| 6709 | break; |
| 6710 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6711 | } |
| 6712 | |
| 6713 | /* |
| 6714 | * If we didn't find an unused CRTC, don't use any. |
| 6715 | */ |
| 6716 | if (!crtc) { |
Chris Wilson | 7173188 | 2011-04-19 23:10:58 +0100 | [diff] [blame] | 6717 | DRM_DEBUG_KMS("no pipe available for load-detect\n"); |
| 6718 | return false; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6719 | } |
| 6720 | |
Daniel Vetter | fc30310 | 2012-07-09 10:40:58 +0200 | [diff] [blame] | 6721 | intel_encoder->new_crtc = to_intel_crtc(crtc); |
| 6722 | to_intel_connector(connector)->new_encoder = intel_encoder; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6723 | |
| 6724 | intel_crtc = to_intel_crtc(crtc); |
Daniel Vetter | 24218aa | 2012-08-12 19:27:11 +0200 | [diff] [blame] | 6725 | old->dpms_mode = connector->dpms; |
Chris Wilson | 8261b19 | 2011-04-19 23:18:09 +0100 | [diff] [blame] | 6726 | old->load_detect_temp = true; |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6727 | old->release_fb = NULL; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6728 | |
Chris Wilson | 6492711 | 2011-04-20 07:25:26 +0100 | [diff] [blame] | 6729 | if (!mode) |
| 6730 | mode = &load_detect_mode; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6731 | |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6732 | /* We need a framebuffer large enough to accommodate all accesses |
| 6733 | * that the plane may generate whilst we perform load detection. |
| 6734 | * We can not rely on the fbcon either being present (we get called |
| 6735 | * during its initialisation to detect all boot displays, or it may |
| 6736 | * not even exist) or that it is large enough to satisfy the |
| 6737 | * requested mode. |
| 6738 | */ |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 6739 | fb = mode_fits_in_fbdev(dev, mode); |
| 6740 | if (fb == NULL) { |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6741 | DRM_DEBUG_KMS("creating tmp fb for load-detection\n"); |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 6742 | fb = intel_framebuffer_create_for_mode(dev, mode, 24, 32); |
| 6743 | old->release_fb = fb; |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6744 | } else |
| 6745 | DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 6746 | if (IS_ERR(fb)) { |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6747 | DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); |
Chris Wilson | 0e8b3d3 | 2012-11-05 22:25:08 +0000 | [diff] [blame] | 6748 | return false; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6749 | } |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6750 | |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 6751 | if (!intel_set_mode(crtc, mode, 0, 0, fb)) { |
Chris Wilson | 6492711 | 2011-04-20 07:25:26 +0100 | [diff] [blame] | 6752 | DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6753 | if (old->release_fb) |
| 6754 | old->release_fb->funcs->destroy(old->release_fb); |
Chris Wilson | 0e8b3d3 | 2012-11-05 22:25:08 +0000 | [diff] [blame] | 6755 | return false; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6756 | } |
Chris Wilson | 7173188 | 2011-04-19 23:10:58 +0100 | [diff] [blame] | 6757 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6758 | /* let the connector get through one full cycle before testing */ |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 6759 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
Chris Wilson | 7173188 | 2011-04-19 23:10:58 +0100 | [diff] [blame] | 6760 | return true; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6761 | } |
| 6762 | |
Daniel Vetter | d2434ab | 2012-08-12 21:20:10 +0200 | [diff] [blame] | 6763 | void intel_release_load_detect_pipe(struct drm_connector *connector, |
Chris Wilson | 8261b19 | 2011-04-19 23:18:09 +0100 | [diff] [blame] | 6764 | struct intel_load_detect_pipe *old) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6765 | { |
Daniel Vetter | d2434ab | 2012-08-12 21:20:10 +0200 | [diff] [blame] | 6766 | struct intel_encoder *intel_encoder = |
| 6767 | intel_attached_encoder(connector); |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 6768 | struct drm_encoder *encoder = &intel_encoder->base; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6769 | |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6770 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
| 6771 | connector->base.id, drm_get_connector_name(connector), |
| 6772 | encoder->base.id, drm_get_encoder_name(encoder)); |
| 6773 | |
Chris Wilson | 8261b19 | 2011-04-19 23:18:09 +0100 | [diff] [blame] | 6774 | if (old->load_detect_temp) { |
Daniel Vetter | fc30310 | 2012-07-09 10:40:58 +0200 | [diff] [blame] | 6775 | struct drm_crtc *crtc = encoder->crtc; |
| 6776 | |
| 6777 | to_intel_connector(connector)->new_encoder = NULL; |
| 6778 | intel_encoder->new_crtc = NULL; |
| 6779 | intel_set_mode(crtc, NULL, 0, 0, NULL); |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 6780 | |
| 6781 | if (old->release_fb) |
| 6782 | old->release_fb->funcs->destroy(old->release_fb); |
| 6783 | |
Chris Wilson | 0622a53 | 2011-04-21 09:32:11 +0100 | [diff] [blame] | 6784 | return; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6785 | } |
| 6786 | |
Eric Anholt | c751ce4 | 2010-03-25 11:48:48 -0700 | [diff] [blame] | 6787 | /* Switch crtc and encoder back off if necessary */ |
Daniel Vetter | 24218aa | 2012-08-12 19:27:11 +0200 | [diff] [blame] | 6788 | if (old->dpms_mode != DRM_MODE_DPMS_ON) |
| 6789 | connector->funcs->dpms(connector, old->dpms_mode); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6790 | } |
| 6791 | |
| 6792 | /* Returns the clock of the currently programmed mode of the given pipe. */ |
| 6793 | static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc) |
| 6794 | { |
| 6795 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 6796 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 6797 | int pipe = intel_crtc->pipe; |
Jesse Barnes | 548f245 | 2011-02-17 10:40:53 -0800 | [diff] [blame] | 6798 | u32 dpll = I915_READ(DPLL(pipe)); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6799 | u32 fp; |
| 6800 | intel_clock_t clock; |
| 6801 | |
| 6802 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) |
Chris Wilson | 39adb7a | 2011-04-22 22:17:21 +0100 | [diff] [blame] | 6803 | fp = I915_READ(FP0(pipe)); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6804 | else |
Chris Wilson | 39adb7a | 2011-04-22 22:17:21 +0100 | [diff] [blame] | 6805 | fp = I915_READ(FP1(pipe)); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6806 | |
| 6807 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 6808 | if (IS_PINEVIEW(dev)) { |
| 6809 | clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1; |
| 6810 | clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT; |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 6811 | } else { |
| 6812 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; |
| 6813 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; |
| 6814 | } |
| 6815 | |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 6816 | if (!IS_GEN2(dev)) { |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 6817 | if (IS_PINEVIEW(dev)) |
| 6818 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >> |
| 6819 | DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW); |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 6820 | else |
| 6821 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6822 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
| 6823 | |
| 6824 | switch (dpll & DPLL_MODE_MASK) { |
| 6825 | case DPLLB_MODE_DAC_SERIAL: |
| 6826 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? |
| 6827 | 5 : 10; |
| 6828 | break; |
| 6829 | case DPLLB_MODE_LVDS: |
| 6830 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? |
| 6831 | 7 : 14; |
| 6832 | break; |
| 6833 | default: |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 6834 | DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6835 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); |
| 6836 | return 0; |
| 6837 | } |
| 6838 | |
| 6839 | /* XXX: Handle the 100Mhz refclk */ |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 6840 | intel_clock(dev, 96000, &clock); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6841 | } else { |
| 6842 | bool is_lvds = (pipe == 1) && (I915_READ(LVDS) & LVDS_PORT_EN); |
| 6843 | |
| 6844 | if (is_lvds) { |
| 6845 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> |
| 6846 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
| 6847 | clock.p2 = 14; |
| 6848 | |
| 6849 | if ((dpll & PLL_REF_INPUT_MASK) == |
| 6850 | PLLB_REF_INPUT_SPREADSPECTRUMIN) { |
| 6851 | /* XXX: might not be 66MHz */ |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 6852 | intel_clock(dev, 66000, &clock); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6853 | } else |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 6854 | intel_clock(dev, 48000, &clock); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6855 | } else { |
| 6856 | if (dpll & PLL_P1_DIVIDE_BY_TWO) |
| 6857 | clock.p1 = 2; |
| 6858 | else { |
| 6859 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> |
| 6860 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; |
| 6861 | } |
| 6862 | if (dpll & PLL_P2_DIVIDE_BY_4) |
| 6863 | clock.p2 = 4; |
| 6864 | else |
| 6865 | clock.p2 = 2; |
| 6866 | |
Shaohua Li | 2177832 | 2009-02-23 15:19:16 +0800 | [diff] [blame] | 6867 | intel_clock(dev, 48000, &clock); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6868 | } |
| 6869 | } |
| 6870 | |
| 6871 | /* XXX: It would be nice to validate the clocks, but we can't reuse |
| 6872 | * i830PllIsValid() because it relies on the xf86_config connector |
| 6873 | * configuration being accurate, which it isn't necessarily. |
| 6874 | */ |
| 6875 | |
| 6876 | return clock.dot; |
| 6877 | } |
| 6878 | |
| 6879 | /** Returns the currently programmed mode of the given pipe. */ |
| 6880 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, |
| 6881 | struct drm_crtc *crtc) |
| 6882 | { |
Jesse Barnes | 548f245 | 2011-02-17 10:40:53 -0800 | [diff] [blame] | 6883 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6884 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Paulo Zanoni | fe2b8f9 | 2012-10-23 18:30:02 -0200 | [diff] [blame] | 6885 | enum transcoder cpu_transcoder = intel_crtc->cpu_transcoder; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6886 | struct drm_display_mode *mode; |
Paulo Zanoni | fe2b8f9 | 2012-10-23 18:30:02 -0200 | [diff] [blame] | 6887 | int htot = I915_READ(HTOTAL(cpu_transcoder)); |
| 6888 | int hsync = I915_READ(HSYNC(cpu_transcoder)); |
| 6889 | int vtot = I915_READ(VTOTAL(cpu_transcoder)); |
| 6890 | int vsync = I915_READ(VSYNC(cpu_transcoder)); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6891 | |
| 6892 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); |
| 6893 | if (!mode) |
| 6894 | return NULL; |
| 6895 | |
| 6896 | mode->clock = intel_crtc_clock_get(dev, crtc); |
| 6897 | mode->hdisplay = (htot & 0xffff) + 1; |
| 6898 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; |
| 6899 | mode->hsync_start = (hsync & 0xffff) + 1; |
| 6900 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; |
| 6901 | mode->vdisplay = (vtot & 0xffff) + 1; |
| 6902 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; |
| 6903 | mode->vsync_start = (vsync & 0xffff) + 1; |
| 6904 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; |
| 6905 | |
| 6906 | drm_mode_set_name(mode); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 6907 | |
| 6908 | return mode; |
| 6909 | } |
| 6910 | |
Daniel Vetter | 3dec009 | 2010-08-20 21:40:52 +0200 | [diff] [blame] | 6911 | static void intel_increase_pllclock(struct drm_crtc *crtc) |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6912 | { |
| 6913 | struct drm_device *dev = crtc->dev; |
| 6914 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 6915 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 6916 | int pipe = intel_crtc->pipe; |
Jesse Barnes | dbdc647 | 2010-12-30 09:36:39 -0800 | [diff] [blame] | 6917 | int dpll_reg = DPLL(pipe); |
| 6918 | int dpll; |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6919 | |
Eric Anholt | bad720f | 2009-10-22 16:11:14 -0700 | [diff] [blame] | 6920 | if (HAS_PCH_SPLIT(dev)) |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6921 | return; |
| 6922 | |
| 6923 | if (!dev_priv->lvds_downclock_avail) |
| 6924 | return; |
| 6925 | |
Jesse Barnes | dbdc647 | 2010-12-30 09:36:39 -0800 | [diff] [blame] | 6926 | dpll = I915_READ(dpll_reg); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6927 | if (!HAS_PIPE_CXSR(dev) && (dpll & DISPLAY_RATE_SELECT_FPA1)) { |
Zhao Yakui | 44d98a6 | 2009-10-09 11:39:40 +0800 | [diff] [blame] | 6928 | DRM_DEBUG_DRIVER("upclocking LVDS\n"); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6929 | |
Sean Paul | 8ac5a6d | 2012-02-13 13:14:51 -0500 | [diff] [blame] | 6930 | assert_panel_unlocked(dev_priv, pipe); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6931 | |
| 6932 | dpll &= ~DISPLAY_RATE_SELECT_FPA1; |
| 6933 | I915_WRITE(dpll_reg, dpll); |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 6934 | intel_wait_for_vblank(dev, pipe); |
Jesse Barnes | dbdc647 | 2010-12-30 09:36:39 -0800 | [diff] [blame] | 6935 | |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6936 | dpll = I915_READ(dpll_reg); |
| 6937 | if (dpll & DISPLAY_RATE_SELECT_FPA1) |
Zhao Yakui | 44d98a6 | 2009-10-09 11:39:40 +0800 | [diff] [blame] | 6938 | DRM_DEBUG_DRIVER("failed to upclock LVDS!\n"); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6939 | } |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6940 | } |
| 6941 | |
| 6942 | static void intel_decrease_pllclock(struct drm_crtc *crtc) |
| 6943 | { |
| 6944 | struct drm_device *dev = crtc->dev; |
| 6945 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 6946 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6947 | |
Eric Anholt | bad720f | 2009-10-22 16:11:14 -0700 | [diff] [blame] | 6948 | if (HAS_PCH_SPLIT(dev)) |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6949 | return; |
| 6950 | |
| 6951 | if (!dev_priv->lvds_downclock_avail) |
| 6952 | return; |
| 6953 | |
| 6954 | /* |
| 6955 | * Since this is called by a timer, we should never get here in |
| 6956 | * the manual case. |
| 6957 | */ |
| 6958 | if (!HAS_PIPE_CXSR(dev) && intel_crtc->lowfreq_avail) { |
Chris Wilson | 074b5e1 | 2012-05-02 12:07:06 +0100 | [diff] [blame] | 6959 | int pipe = intel_crtc->pipe; |
| 6960 | int dpll_reg = DPLL(pipe); |
Daniel Vetter | dc257cf | 2012-05-07 11:30:46 +0200 | [diff] [blame] | 6961 | int dpll; |
Chris Wilson | 074b5e1 | 2012-05-02 12:07:06 +0100 | [diff] [blame] | 6962 | |
Zhao Yakui | 44d98a6 | 2009-10-09 11:39:40 +0800 | [diff] [blame] | 6963 | DRM_DEBUG_DRIVER("downclocking LVDS\n"); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6964 | |
Sean Paul | 8ac5a6d | 2012-02-13 13:14:51 -0500 | [diff] [blame] | 6965 | assert_panel_unlocked(dev_priv, pipe); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6966 | |
Chris Wilson | 074b5e1 | 2012-05-02 12:07:06 +0100 | [diff] [blame] | 6967 | dpll = I915_READ(dpll_reg); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6968 | dpll |= DISPLAY_RATE_SELECT_FPA1; |
| 6969 | I915_WRITE(dpll_reg, dpll); |
Jesse Barnes | 9d0498a | 2010-08-18 13:20:54 -0700 | [diff] [blame] | 6970 | intel_wait_for_vblank(dev, pipe); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6971 | dpll = I915_READ(dpll_reg); |
| 6972 | if (!(dpll & DISPLAY_RATE_SELECT_FPA1)) |
Zhao Yakui | 44d98a6 | 2009-10-09 11:39:40 +0800 | [diff] [blame] | 6973 | DRM_DEBUG_DRIVER("failed to downclock LVDS!\n"); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6974 | } |
| 6975 | |
| 6976 | } |
| 6977 | |
Chris Wilson | f047e39 | 2012-07-21 12:31:41 +0100 | [diff] [blame] | 6978 | void intel_mark_busy(struct drm_device *dev) |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6979 | { |
Chris Wilson | f047e39 | 2012-07-21 12:31:41 +0100 | [diff] [blame] | 6980 | i915_update_gfx_val(dev->dev_private); |
| 6981 | } |
| 6982 | |
| 6983 | void intel_mark_idle(struct drm_device *dev) |
| 6984 | { |
Chris Wilson | f047e39 | 2012-07-21 12:31:41 +0100 | [diff] [blame] | 6985 | } |
| 6986 | |
| 6987 | void intel_mark_fb_busy(struct drm_i915_gem_object *obj) |
| 6988 | { |
| 6989 | struct drm_device *dev = obj->base.dev; |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6990 | struct drm_crtc *crtc; |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6991 | |
| 6992 | if (!i915_powersave) |
| 6993 | return; |
| 6994 | |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6995 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 6996 | if (!crtc->fb) |
| 6997 | continue; |
| 6998 | |
Chris Wilson | f047e39 | 2012-07-21 12:31:41 +0100 | [diff] [blame] | 6999 | if (to_intel_framebuffer(crtc->fb)->obj == obj) |
| 7000 | intel_increase_pllclock(crtc); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 7001 | } |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 7002 | } |
| 7003 | |
Chris Wilson | f047e39 | 2012-07-21 12:31:41 +0100 | [diff] [blame] | 7004 | void intel_mark_fb_idle(struct drm_i915_gem_object *obj) |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 7005 | { |
Chris Wilson | f047e39 | 2012-07-21 12:31:41 +0100 | [diff] [blame] | 7006 | struct drm_device *dev = obj->base.dev; |
| 7007 | struct drm_crtc *crtc; |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 7008 | |
Chris Wilson | f047e39 | 2012-07-21 12:31:41 +0100 | [diff] [blame] | 7009 | if (!i915_powersave) |
Chris Wilson | acb87df | 2012-05-03 15:47:57 +0100 | [diff] [blame] | 7010 | return; |
| 7011 | |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 7012 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 7013 | if (!crtc->fb) |
| 7014 | continue; |
| 7015 | |
Chris Wilson | f047e39 | 2012-07-21 12:31:41 +0100 | [diff] [blame] | 7016 | if (to_intel_framebuffer(crtc->fb)->obj == obj) |
| 7017 | intel_decrease_pllclock(crtc); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 7018 | } |
| 7019 | } |
| 7020 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 7021 | static void intel_crtc_destroy(struct drm_crtc *crtc) |
| 7022 | { |
| 7023 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Daniel Vetter | 67e77c5 | 2010-08-20 22:26:30 +0200 | [diff] [blame] | 7024 | struct drm_device *dev = crtc->dev; |
| 7025 | struct intel_unpin_work *work; |
| 7026 | unsigned long flags; |
| 7027 | |
| 7028 | spin_lock_irqsave(&dev->event_lock, flags); |
| 7029 | work = intel_crtc->unpin_work; |
| 7030 | intel_crtc->unpin_work = NULL; |
| 7031 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 7032 | |
| 7033 | if (work) { |
| 7034 | cancel_work_sync(&work->work); |
| 7035 | kfree(work); |
| 7036 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 7037 | |
| 7038 | drm_crtc_cleanup(crtc); |
Daniel Vetter | 67e77c5 | 2010-08-20 22:26:30 +0200 | [diff] [blame] | 7039 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 7040 | kfree(intel_crtc); |
| 7041 | } |
| 7042 | |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7043 | static void intel_unpin_work_fn(struct work_struct *__work) |
| 7044 | { |
| 7045 | struct intel_unpin_work *work = |
| 7046 | container_of(__work, struct intel_unpin_work, work); |
Chris Wilson | b4a98e5 | 2012-11-01 09:26:26 +0000 | [diff] [blame] | 7047 | struct drm_device *dev = work->crtc->dev; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7048 | |
Chris Wilson | b4a98e5 | 2012-11-01 09:26:26 +0000 | [diff] [blame] | 7049 | mutex_lock(&dev->struct_mutex); |
Chris Wilson | 1690e1e | 2011-12-14 13:57:08 +0100 | [diff] [blame] | 7050 | intel_unpin_fb_obj(work->old_fb_obj); |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 7051 | drm_gem_object_unreference(&work->pending_flip_obj->base); |
| 7052 | drm_gem_object_unreference(&work->old_fb_obj->base); |
Chris Wilson | d9e86c0 | 2010-11-10 16:40:20 +0000 | [diff] [blame] | 7053 | |
Chris Wilson | b4a98e5 | 2012-11-01 09:26:26 +0000 | [diff] [blame] | 7054 | intel_update_fbc(dev); |
| 7055 | mutex_unlock(&dev->struct_mutex); |
| 7056 | |
| 7057 | BUG_ON(atomic_read(&to_intel_crtc(work->crtc)->unpin_work_count) == 0); |
| 7058 | atomic_dec(&to_intel_crtc(work->crtc)->unpin_work_count); |
| 7059 | |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7060 | kfree(work); |
| 7061 | } |
| 7062 | |
Jesse Barnes | 1afe3e9 | 2010-03-26 10:35:20 -0700 | [diff] [blame] | 7063 | static void do_intel_finish_page_flip(struct drm_device *dev, |
Mario Kleiner | 49b14a5 | 2010-12-09 07:00:07 +0100 | [diff] [blame] | 7064 | struct drm_crtc *crtc) |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7065 | { |
| 7066 | drm_i915_private_t *dev_priv = dev->dev_private; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7067 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 7068 | struct intel_unpin_work *work; |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 7069 | struct drm_i915_gem_object *obj; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7070 | unsigned long flags; |
| 7071 | |
| 7072 | /* Ignore early vblank irqs */ |
| 7073 | if (intel_crtc == NULL) |
| 7074 | return; |
| 7075 | |
| 7076 | spin_lock_irqsave(&dev->event_lock, flags); |
| 7077 | work = intel_crtc->unpin_work; |
Chris Wilson | e7d841c | 2012-12-03 11:36:30 +0000 | [diff] [blame] | 7078 | |
| 7079 | /* Ensure we don't miss a work->pending update ... */ |
| 7080 | smp_rmb(); |
| 7081 | |
| 7082 | if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7083 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 7084 | return; |
| 7085 | } |
| 7086 | |
Chris Wilson | e7d841c | 2012-12-03 11:36:30 +0000 | [diff] [blame] | 7087 | /* and that the unpin work is consistent wrt ->pending. */ |
| 7088 | smp_rmb(); |
| 7089 | |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7090 | intel_crtc->unpin_work = NULL; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7091 | |
Rob Clark | 45a066e | 2012-10-08 14:50:40 -0500 | [diff] [blame] | 7092 | if (work->event) |
| 7093 | drm_send_vblank_event(dev, intel_crtc->pipe, work->event); |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7094 | |
Mario Kleiner | 0af7e4d | 2010-12-08 04:07:19 +0100 | [diff] [blame] | 7095 | drm_vblank_put(dev, intel_crtc->pipe); |
| 7096 | |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7097 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 7098 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 7099 | obj = work->old_fb_obj; |
Chris Wilson | d9e86c0 | 2010-11-10 16:40:20 +0000 | [diff] [blame] | 7100 | |
Chris Wilson | e59f2ba | 2010-10-07 17:28:15 +0100 | [diff] [blame] | 7101 | atomic_clear_mask(1 << intel_crtc->plane, |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 7102 | &obj->pending_flip.counter); |
Chris Wilson | 5bb6164 | 2012-09-27 21:25:58 +0100 | [diff] [blame] | 7103 | wake_up(&dev_priv->pending_flip_queue); |
Chris Wilson | b4a98e5 | 2012-11-01 09:26:26 +0000 | [diff] [blame] | 7104 | |
| 7105 | queue_work(dev_priv->wq, &work->work); |
Jesse Barnes | e5510fa | 2010-07-01 16:48:37 -0700 | [diff] [blame] | 7106 | |
| 7107 | trace_i915_flip_complete(intel_crtc->plane, work->pending_flip_obj); |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7108 | } |
| 7109 | |
Jesse Barnes | 1afe3e9 | 2010-03-26 10:35:20 -0700 | [diff] [blame] | 7110 | void intel_finish_page_flip(struct drm_device *dev, int pipe) |
| 7111 | { |
| 7112 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 7113 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
| 7114 | |
Mario Kleiner | 49b14a5 | 2010-12-09 07:00:07 +0100 | [diff] [blame] | 7115 | do_intel_finish_page_flip(dev, crtc); |
Jesse Barnes | 1afe3e9 | 2010-03-26 10:35:20 -0700 | [diff] [blame] | 7116 | } |
| 7117 | |
| 7118 | void intel_finish_page_flip_plane(struct drm_device *dev, int plane) |
| 7119 | { |
| 7120 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 7121 | struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane]; |
| 7122 | |
Mario Kleiner | 49b14a5 | 2010-12-09 07:00:07 +0100 | [diff] [blame] | 7123 | do_intel_finish_page_flip(dev, crtc); |
Jesse Barnes | 1afe3e9 | 2010-03-26 10:35:20 -0700 | [diff] [blame] | 7124 | } |
| 7125 | |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7126 | void intel_prepare_page_flip(struct drm_device *dev, int plane) |
| 7127 | { |
| 7128 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 7129 | struct intel_crtc *intel_crtc = |
| 7130 | to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]); |
| 7131 | unsigned long flags; |
| 7132 | |
Chris Wilson | e7d841c | 2012-12-03 11:36:30 +0000 | [diff] [blame] | 7133 | /* NB: An MMIO update of the plane base pointer will also |
| 7134 | * generate a page-flip completion irq, i.e. every modeset |
| 7135 | * is also accompanied by a spurious intel_prepare_page_flip(). |
| 7136 | */ |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7137 | spin_lock_irqsave(&dev->event_lock, flags); |
Chris Wilson | e7d841c | 2012-12-03 11:36:30 +0000 | [diff] [blame] | 7138 | if (intel_crtc->unpin_work) |
| 7139 | atomic_inc_not_zero(&intel_crtc->unpin_work->pending); |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7140 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 7141 | } |
| 7142 | |
Chris Wilson | e7d841c | 2012-12-03 11:36:30 +0000 | [diff] [blame] | 7143 | inline static void intel_mark_page_flip_active(struct intel_crtc *intel_crtc) |
| 7144 | { |
| 7145 | /* Ensure that the work item is consistent when activating it ... */ |
| 7146 | smp_wmb(); |
| 7147 | atomic_set(&intel_crtc->unpin_work->pending, INTEL_FLIP_PENDING); |
| 7148 | /* and that it is marked active as soon as the irq could fire. */ |
| 7149 | smp_wmb(); |
| 7150 | } |
| 7151 | |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7152 | static int intel_gen2_queue_flip(struct drm_device *dev, |
| 7153 | struct drm_crtc *crtc, |
| 7154 | struct drm_framebuffer *fb, |
| 7155 | struct drm_i915_gem_object *obj) |
| 7156 | { |
| 7157 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 7158 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7159 | u32 flip_mask; |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7160 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7161 | int ret; |
| 7162 | |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7163 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7164 | if (ret) |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7165 | goto err; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7166 | |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7167 | ret = intel_ring_begin(ring, 6); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7168 | if (ret) |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7169 | goto err_unpin; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7170 | |
| 7171 | /* Can't queue multiple flips, so wait for the previous |
| 7172 | * one to finish before executing the next. |
| 7173 | */ |
| 7174 | if (intel_crtc->plane) |
| 7175 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; |
| 7176 | else |
| 7177 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7178 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
| 7179 | intel_ring_emit(ring, MI_NOOP); |
| 7180 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
| 7181 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
| 7182 | intel_ring_emit(ring, fb->pitches[0]); |
Daniel Vetter | e506a0c | 2012-07-05 12:17:29 +0200 | [diff] [blame] | 7183 | intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7184 | intel_ring_emit(ring, 0); /* aux display base address, unused */ |
Chris Wilson | e7d841c | 2012-12-03 11:36:30 +0000 | [diff] [blame] | 7185 | |
| 7186 | intel_mark_page_flip_active(intel_crtc); |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7187 | intel_ring_advance(ring); |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7188 | return 0; |
| 7189 | |
| 7190 | err_unpin: |
| 7191 | intel_unpin_fb_obj(obj); |
| 7192 | err: |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7193 | return ret; |
| 7194 | } |
| 7195 | |
| 7196 | static int intel_gen3_queue_flip(struct drm_device *dev, |
| 7197 | struct drm_crtc *crtc, |
| 7198 | struct drm_framebuffer *fb, |
| 7199 | struct drm_i915_gem_object *obj) |
| 7200 | { |
| 7201 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 7202 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7203 | u32 flip_mask; |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7204 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7205 | int ret; |
| 7206 | |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7207 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7208 | if (ret) |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7209 | goto err; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7210 | |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7211 | ret = intel_ring_begin(ring, 6); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7212 | if (ret) |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7213 | goto err_unpin; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7214 | |
| 7215 | if (intel_crtc->plane) |
| 7216 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; |
| 7217 | else |
| 7218 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7219 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
| 7220 | intel_ring_emit(ring, MI_NOOP); |
| 7221 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | |
| 7222 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
| 7223 | intel_ring_emit(ring, fb->pitches[0]); |
Daniel Vetter | e506a0c | 2012-07-05 12:17:29 +0200 | [diff] [blame] | 7224 | intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7225 | intel_ring_emit(ring, MI_NOOP); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7226 | |
Chris Wilson | e7d841c | 2012-12-03 11:36:30 +0000 | [diff] [blame] | 7227 | intel_mark_page_flip_active(intel_crtc); |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7228 | intel_ring_advance(ring); |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7229 | return 0; |
| 7230 | |
| 7231 | err_unpin: |
| 7232 | intel_unpin_fb_obj(obj); |
| 7233 | err: |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7234 | return ret; |
| 7235 | } |
| 7236 | |
| 7237 | static int intel_gen4_queue_flip(struct drm_device *dev, |
| 7238 | struct drm_crtc *crtc, |
| 7239 | struct drm_framebuffer *fb, |
| 7240 | struct drm_i915_gem_object *obj) |
| 7241 | { |
| 7242 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 7243 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 7244 | uint32_t pf, pipesrc; |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7245 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7246 | int ret; |
| 7247 | |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7248 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7249 | if (ret) |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7250 | goto err; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7251 | |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7252 | ret = intel_ring_begin(ring, 4); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7253 | if (ret) |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7254 | goto err_unpin; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7255 | |
| 7256 | /* i965+ uses the linear or tiled offsets from the |
| 7257 | * Display Registers (which do not change across a page-flip) |
| 7258 | * so we need only reprogram the base address. |
| 7259 | */ |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7260 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
| 7261 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
| 7262 | intel_ring_emit(ring, fb->pitches[0]); |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 7263 | intel_ring_emit(ring, |
| 7264 | (obj->gtt_offset + intel_crtc->dspaddr_offset) | |
| 7265 | obj->tiling_mode); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7266 | |
| 7267 | /* XXX Enabling the panel-fitter across page-flip is so far |
| 7268 | * untested on non-native modes, so ignore it for now. |
| 7269 | * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; |
| 7270 | */ |
| 7271 | pf = 0; |
| 7272 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7273 | intel_ring_emit(ring, pf | pipesrc); |
Chris Wilson | e7d841c | 2012-12-03 11:36:30 +0000 | [diff] [blame] | 7274 | |
| 7275 | intel_mark_page_flip_active(intel_crtc); |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7276 | intel_ring_advance(ring); |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7277 | return 0; |
| 7278 | |
| 7279 | err_unpin: |
| 7280 | intel_unpin_fb_obj(obj); |
| 7281 | err: |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7282 | return ret; |
| 7283 | } |
| 7284 | |
| 7285 | static int intel_gen6_queue_flip(struct drm_device *dev, |
| 7286 | struct drm_crtc *crtc, |
| 7287 | struct drm_framebuffer *fb, |
| 7288 | struct drm_i915_gem_object *obj) |
| 7289 | { |
| 7290 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 7291 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7292 | struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7293 | uint32_t pf, pipesrc; |
| 7294 | int ret; |
| 7295 | |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7296 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7297 | if (ret) |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7298 | goto err; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7299 | |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7300 | ret = intel_ring_begin(ring, 4); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7301 | if (ret) |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7302 | goto err_unpin; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7303 | |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7304 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
| 7305 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); |
| 7306 | intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode); |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 7307 | intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7308 | |
Chris Wilson | 99d9acd | 2012-04-17 20:37:00 +0100 | [diff] [blame] | 7309 | /* Contrary to the suggestions in the documentation, |
| 7310 | * "Enable Panel Fitter" does not seem to be required when page |
| 7311 | * flipping with a non-native mode, and worse causes a normal |
| 7312 | * modeset to fail. |
| 7313 | * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; |
| 7314 | */ |
| 7315 | pf = 0; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7316 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7317 | intel_ring_emit(ring, pf | pipesrc); |
Chris Wilson | e7d841c | 2012-12-03 11:36:30 +0000 | [diff] [blame] | 7318 | |
| 7319 | intel_mark_page_flip_active(intel_crtc); |
Daniel Vetter | 6d90c95 | 2012-04-26 23:28:05 +0200 | [diff] [blame] | 7320 | intel_ring_advance(ring); |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7321 | return 0; |
| 7322 | |
| 7323 | err_unpin: |
| 7324 | intel_unpin_fb_obj(obj); |
| 7325 | err: |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7326 | return ret; |
| 7327 | } |
| 7328 | |
Jesse Barnes | 7c9017e | 2011-06-16 12:18:54 -0700 | [diff] [blame] | 7329 | /* |
| 7330 | * On gen7 we currently use the blit ring because (in early silicon at least) |
| 7331 | * the render ring doesn't give us interrpts for page flip completion, which |
| 7332 | * means clients will hang after the first flip is queued. Fortunately the |
| 7333 | * blit ring generates interrupts properly, so use it instead. |
| 7334 | */ |
| 7335 | static int intel_gen7_queue_flip(struct drm_device *dev, |
| 7336 | struct drm_crtc *crtc, |
| 7337 | struct drm_framebuffer *fb, |
| 7338 | struct drm_i915_gem_object *obj) |
| 7339 | { |
| 7340 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 7341 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 7342 | struct intel_ring_buffer *ring = &dev_priv->ring[BCS]; |
Daniel Vetter | cb05d8d | 2012-05-23 14:02:00 +0200 | [diff] [blame] | 7343 | uint32_t plane_bit = 0; |
Jesse Barnes | 7c9017e | 2011-06-16 12:18:54 -0700 | [diff] [blame] | 7344 | int ret; |
| 7345 | |
| 7346 | ret = intel_pin_and_fence_fb_obj(dev, obj, ring); |
| 7347 | if (ret) |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7348 | goto err; |
Jesse Barnes | 7c9017e | 2011-06-16 12:18:54 -0700 | [diff] [blame] | 7349 | |
Daniel Vetter | cb05d8d | 2012-05-23 14:02:00 +0200 | [diff] [blame] | 7350 | switch(intel_crtc->plane) { |
| 7351 | case PLANE_A: |
| 7352 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; |
| 7353 | break; |
| 7354 | case PLANE_B: |
| 7355 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; |
| 7356 | break; |
| 7357 | case PLANE_C: |
| 7358 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; |
| 7359 | break; |
| 7360 | default: |
| 7361 | WARN_ONCE(1, "unknown plane in flip command\n"); |
| 7362 | ret = -ENODEV; |
Eugeni Dodonov | ab3951e | 2012-06-18 19:03:38 -0300 | [diff] [blame] | 7363 | goto err_unpin; |
Daniel Vetter | cb05d8d | 2012-05-23 14:02:00 +0200 | [diff] [blame] | 7364 | } |
| 7365 | |
Jesse Barnes | 7c9017e | 2011-06-16 12:18:54 -0700 | [diff] [blame] | 7366 | ret = intel_ring_begin(ring, 4); |
| 7367 | if (ret) |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7368 | goto err_unpin; |
Jesse Barnes | 7c9017e | 2011-06-16 12:18:54 -0700 | [diff] [blame] | 7369 | |
Daniel Vetter | cb05d8d | 2012-05-23 14:02:00 +0200 | [diff] [blame] | 7370 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); |
Ville Syrjälä | 01f2c77 | 2011-12-20 00:06:49 +0200 | [diff] [blame] | 7371 | intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); |
Daniel Vetter | c2c7513 | 2012-07-05 12:17:30 +0200 | [diff] [blame] | 7372 | intel_ring_emit(ring, obj->gtt_offset + intel_crtc->dspaddr_offset); |
Jesse Barnes | 7c9017e | 2011-06-16 12:18:54 -0700 | [diff] [blame] | 7373 | intel_ring_emit(ring, (MI_NOOP)); |
Chris Wilson | e7d841c | 2012-12-03 11:36:30 +0000 | [diff] [blame] | 7374 | |
| 7375 | intel_mark_page_flip_active(intel_crtc); |
Jesse Barnes | 7c9017e | 2011-06-16 12:18:54 -0700 | [diff] [blame] | 7376 | intel_ring_advance(ring); |
Chris Wilson | 83d4092 | 2012-04-17 19:35:53 +0100 | [diff] [blame] | 7377 | return 0; |
| 7378 | |
| 7379 | err_unpin: |
| 7380 | intel_unpin_fb_obj(obj); |
| 7381 | err: |
Jesse Barnes | 7c9017e | 2011-06-16 12:18:54 -0700 | [diff] [blame] | 7382 | return ret; |
| 7383 | } |
| 7384 | |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7385 | static int intel_default_queue_flip(struct drm_device *dev, |
| 7386 | struct drm_crtc *crtc, |
| 7387 | struct drm_framebuffer *fb, |
| 7388 | struct drm_i915_gem_object *obj) |
| 7389 | { |
| 7390 | return -ENODEV; |
| 7391 | } |
| 7392 | |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7393 | static int intel_crtc_page_flip(struct drm_crtc *crtc, |
| 7394 | struct drm_framebuffer *fb, |
| 7395 | struct drm_pending_vblank_event *event) |
| 7396 | { |
| 7397 | struct drm_device *dev = crtc->dev; |
| 7398 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 7399 | struct intel_framebuffer *intel_fb; |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 7400 | struct drm_i915_gem_object *obj; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7401 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
| 7402 | struct intel_unpin_work *work; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7403 | unsigned long flags; |
Chris Wilson | 52e6863 | 2010-08-08 10:15:59 +0100 | [diff] [blame] | 7404 | int ret; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7405 | |
Ville Syrjälä | e6a595d | 2012-05-24 21:08:59 +0300 | [diff] [blame] | 7406 | /* Can't change pixel format via MI display flips. */ |
| 7407 | if (fb->pixel_format != crtc->fb->pixel_format) |
| 7408 | return -EINVAL; |
| 7409 | |
| 7410 | /* |
| 7411 | * TILEOFF/LINOFF registers can't be changed via MI display flips. |
| 7412 | * Note that pitch changes could also affect these register. |
| 7413 | */ |
| 7414 | if (INTEL_INFO(dev)->gen > 3 && |
| 7415 | (fb->offsets[0] != crtc->fb->offsets[0] || |
| 7416 | fb->pitches[0] != crtc->fb->pitches[0])) |
| 7417 | return -EINVAL; |
| 7418 | |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7419 | work = kzalloc(sizeof *work, GFP_KERNEL); |
| 7420 | if (work == NULL) |
| 7421 | return -ENOMEM; |
| 7422 | |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7423 | work->event = event; |
Chris Wilson | b4a98e5 | 2012-11-01 09:26:26 +0000 | [diff] [blame] | 7424 | work->crtc = crtc; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7425 | intel_fb = to_intel_framebuffer(crtc->fb); |
Jesse Barnes | b1b87f6 | 2010-01-26 14:40:05 -0800 | [diff] [blame] | 7426 | work->old_fb_obj = intel_fb->obj; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7427 | INIT_WORK(&work->work, intel_unpin_work_fn); |
| 7428 | |
Jesse Barnes | 7317c75e6 | 2011-08-29 09:45:28 -0700 | [diff] [blame] | 7429 | ret = drm_vblank_get(dev, intel_crtc->pipe); |
| 7430 | if (ret) |
| 7431 | goto free_work; |
| 7432 | |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7433 | /* We borrow the event spin lock for protecting unpin_work */ |
| 7434 | spin_lock_irqsave(&dev->event_lock, flags); |
| 7435 | if (intel_crtc->unpin_work) { |
| 7436 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 7437 | kfree(work); |
Jesse Barnes | 7317c75e6 | 2011-08-29 09:45:28 -0700 | [diff] [blame] | 7438 | drm_vblank_put(dev, intel_crtc->pipe); |
Chris Wilson | 468f0b4 | 2010-05-27 13:18:13 +0100 | [diff] [blame] | 7439 | |
| 7440 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7441 | return -EBUSY; |
| 7442 | } |
| 7443 | intel_crtc->unpin_work = work; |
| 7444 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 7445 | |
| 7446 | intel_fb = to_intel_framebuffer(fb); |
| 7447 | obj = intel_fb->obj; |
| 7448 | |
Chris Wilson | b4a98e5 | 2012-11-01 09:26:26 +0000 | [diff] [blame] | 7449 | if (atomic_read(&intel_crtc->unpin_work_count) >= 2) |
| 7450 | flush_workqueue(dev_priv->wq); |
| 7451 | |
Chris Wilson | 7915810 | 2012-05-23 11:13:58 +0100 | [diff] [blame] | 7452 | ret = i915_mutex_lock_interruptible(dev); |
| 7453 | if (ret) |
| 7454 | goto cleanup; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7455 | |
Jesse Barnes | 75dfca8 | 2010-02-10 15:09:44 -0800 | [diff] [blame] | 7456 | /* Reference the objects for the scheduled work. */ |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 7457 | drm_gem_object_reference(&work->old_fb_obj->base); |
| 7458 | drm_gem_object_reference(&obj->base); |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7459 | |
| 7460 | crtc->fb = fb; |
Chris Wilson | 96b099f | 2010-06-07 14:03:04 +0100 | [diff] [blame] | 7461 | |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 7462 | work->pending_flip_obj = obj; |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 7463 | |
Simon Farnsworth | 4e5359c | 2010-09-01 17:47:52 +0100 | [diff] [blame] | 7464 | work->enable_stall_check = true; |
| 7465 | |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 7466 | /* Block clients from rendering to the new back buffer until |
| 7467 | * the flip occurs and the object is no longer visible. |
| 7468 | */ |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 7469 | atomic_add(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip); |
Chris Wilson | b4a98e5 | 2012-11-01 09:26:26 +0000 | [diff] [blame] | 7470 | atomic_inc(&intel_crtc->unpin_work_count); |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 7471 | |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7472 | ret = dev_priv->display.queue_flip(dev, crtc, fb, obj); |
| 7473 | if (ret) |
| 7474 | goto cleanup_pending; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7475 | |
Chris Wilson | 7782de3 | 2011-07-08 12:22:41 +0100 | [diff] [blame] | 7476 | intel_disable_fbc(dev); |
Chris Wilson | f047e39 | 2012-07-21 12:31:41 +0100 | [diff] [blame] | 7477 | intel_mark_fb_busy(obj); |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7478 | mutex_unlock(&dev->struct_mutex); |
| 7479 | |
Jesse Barnes | e5510fa | 2010-07-01 16:48:37 -0700 | [diff] [blame] | 7480 | trace_i915_flip_request(intel_crtc->plane, obj); |
| 7481 | |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7482 | return 0; |
Chris Wilson | 96b099f | 2010-06-07 14:03:04 +0100 | [diff] [blame] | 7483 | |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7484 | cleanup_pending: |
Chris Wilson | b4a98e5 | 2012-11-01 09:26:26 +0000 | [diff] [blame] | 7485 | atomic_dec(&intel_crtc->unpin_work_count); |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 7486 | atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip); |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 7487 | drm_gem_object_unreference(&work->old_fb_obj->base); |
| 7488 | drm_gem_object_unreference(&obj->base); |
Chris Wilson | 96b099f | 2010-06-07 14:03:04 +0100 | [diff] [blame] | 7489 | mutex_unlock(&dev->struct_mutex); |
| 7490 | |
Chris Wilson | 7915810 | 2012-05-23 11:13:58 +0100 | [diff] [blame] | 7491 | cleanup: |
Chris Wilson | 96b099f | 2010-06-07 14:03:04 +0100 | [diff] [blame] | 7492 | spin_lock_irqsave(&dev->event_lock, flags); |
| 7493 | intel_crtc->unpin_work = NULL; |
| 7494 | spin_unlock_irqrestore(&dev->event_lock, flags); |
| 7495 | |
Jesse Barnes | 7317c75e6 | 2011-08-29 09:45:28 -0700 | [diff] [blame] | 7496 | drm_vblank_put(dev, intel_crtc->pipe); |
| 7497 | free_work: |
Chris Wilson | 96b099f | 2010-06-07 14:03:04 +0100 | [diff] [blame] | 7498 | kfree(work); |
| 7499 | |
| 7500 | return ret; |
Kristian Høgsberg | 6b95a20 | 2009-11-18 11:25:18 -0500 | [diff] [blame] | 7501 | } |
| 7502 | |
Chris Wilson | f6e5b16 | 2011-04-12 18:06:51 +0100 | [diff] [blame] | 7503 | static struct drm_crtc_helper_funcs intel_helper_funcs = { |
Chris Wilson | f6e5b16 | 2011-04-12 18:06:51 +0100 | [diff] [blame] | 7504 | .mode_set_base_atomic = intel_pipe_set_base_atomic, |
| 7505 | .load_lut = intel_crtc_load_lut, |
Daniel Vetter | 976f8a2 | 2012-07-08 22:34:21 +0200 | [diff] [blame] | 7506 | .disable = intel_crtc_noop, |
Chris Wilson | f6e5b16 | 2011-04-12 18:06:51 +0100 | [diff] [blame] | 7507 | }; |
| 7508 | |
Daniel Vetter | 6ed0f79 | 2012-07-08 19:41:43 +0200 | [diff] [blame] | 7509 | bool intel_encoder_check_is_cloned(struct intel_encoder *encoder) |
| 7510 | { |
| 7511 | struct intel_encoder *other_encoder; |
| 7512 | struct drm_crtc *crtc = &encoder->new_crtc->base; |
| 7513 | |
| 7514 | if (WARN_ON(!crtc)) |
| 7515 | return false; |
| 7516 | |
| 7517 | list_for_each_entry(other_encoder, |
| 7518 | &crtc->dev->mode_config.encoder_list, |
| 7519 | base.head) { |
| 7520 | |
| 7521 | if (&other_encoder->new_crtc->base != crtc || |
| 7522 | encoder == other_encoder) |
| 7523 | continue; |
| 7524 | else |
| 7525 | return true; |
| 7526 | } |
| 7527 | |
| 7528 | return false; |
| 7529 | } |
| 7530 | |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 7531 | static bool intel_encoder_crtc_ok(struct drm_encoder *encoder, |
| 7532 | struct drm_crtc *crtc) |
| 7533 | { |
| 7534 | struct drm_device *dev; |
| 7535 | struct drm_crtc *tmp; |
| 7536 | int crtc_mask = 1; |
| 7537 | |
| 7538 | WARN(!crtc, "checking null crtc?\n"); |
| 7539 | |
| 7540 | dev = crtc->dev; |
| 7541 | |
| 7542 | list_for_each_entry(tmp, &dev->mode_config.crtc_list, head) { |
| 7543 | if (tmp == crtc) |
| 7544 | break; |
| 7545 | crtc_mask <<= 1; |
| 7546 | } |
| 7547 | |
| 7548 | if (encoder->possible_crtcs & crtc_mask) |
| 7549 | return true; |
| 7550 | return false; |
| 7551 | } |
| 7552 | |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 7553 | /** |
| 7554 | * intel_modeset_update_staged_output_state |
| 7555 | * |
| 7556 | * Updates the staged output configuration state, e.g. after we've read out the |
| 7557 | * current hw state. |
| 7558 | */ |
| 7559 | static void intel_modeset_update_staged_output_state(struct drm_device *dev) |
| 7560 | { |
| 7561 | struct intel_encoder *encoder; |
| 7562 | struct intel_connector *connector; |
| 7563 | |
| 7564 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
| 7565 | base.head) { |
| 7566 | connector->new_encoder = |
| 7567 | to_intel_encoder(connector->base.encoder); |
| 7568 | } |
| 7569 | |
| 7570 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 7571 | base.head) { |
| 7572 | encoder->new_crtc = |
| 7573 | to_intel_crtc(encoder->base.crtc); |
| 7574 | } |
| 7575 | } |
| 7576 | |
| 7577 | /** |
| 7578 | * intel_modeset_commit_output_state |
| 7579 | * |
| 7580 | * This function copies the stage display pipe configuration to the real one. |
| 7581 | */ |
| 7582 | static void intel_modeset_commit_output_state(struct drm_device *dev) |
| 7583 | { |
| 7584 | struct intel_encoder *encoder; |
| 7585 | struct intel_connector *connector; |
| 7586 | |
| 7587 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
| 7588 | base.head) { |
| 7589 | connector->base.encoder = &connector->new_encoder->base; |
| 7590 | } |
| 7591 | |
| 7592 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 7593 | base.head) { |
| 7594 | encoder->base.crtc = &encoder->new_crtc->base; |
| 7595 | } |
| 7596 | } |
| 7597 | |
Daniel Vetter | 7758a11 | 2012-07-08 19:40:39 +0200 | [diff] [blame] | 7598 | static struct drm_display_mode * |
| 7599 | intel_modeset_adjusted_mode(struct drm_crtc *crtc, |
| 7600 | struct drm_display_mode *mode) |
| 7601 | { |
| 7602 | struct drm_device *dev = crtc->dev; |
| 7603 | struct drm_display_mode *adjusted_mode; |
| 7604 | struct drm_encoder_helper_funcs *encoder_funcs; |
| 7605 | struct intel_encoder *encoder; |
| 7606 | |
| 7607 | adjusted_mode = drm_mode_duplicate(dev, mode); |
| 7608 | if (!adjusted_mode) |
| 7609 | return ERR_PTR(-ENOMEM); |
| 7610 | |
| 7611 | /* Pass our mode to the connectors and the CRTC to give them a chance to |
| 7612 | * adjust it according to limitations or connector properties, and also |
| 7613 | * a chance to reject the mode entirely. |
| 7614 | */ |
| 7615 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 7616 | base.head) { |
| 7617 | |
| 7618 | if (&encoder->new_crtc->base != crtc) |
| 7619 | continue; |
| 7620 | encoder_funcs = encoder->base.helper_private; |
| 7621 | if (!(encoder_funcs->mode_fixup(&encoder->base, mode, |
| 7622 | adjusted_mode))) { |
| 7623 | DRM_DEBUG_KMS("Encoder fixup failed\n"); |
| 7624 | goto fail; |
| 7625 | } |
| 7626 | } |
| 7627 | |
| 7628 | if (!(intel_crtc_mode_fixup(crtc, mode, adjusted_mode))) { |
| 7629 | DRM_DEBUG_KMS("CRTC fixup failed\n"); |
| 7630 | goto fail; |
| 7631 | } |
| 7632 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
| 7633 | |
| 7634 | return adjusted_mode; |
| 7635 | fail: |
| 7636 | drm_mode_destroy(dev, adjusted_mode); |
| 7637 | return ERR_PTR(-EINVAL); |
| 7638 | } |
| 7639 | |
Daniel Vetter | e2e1ed4 | 2012-07-08 21:14:38 +0200 | [diff] [blame] | 7640 | /* Computes which crtcs are affected and sets the relevant bits in the mask. For |
| 7641 | * simplicity we use the crtc's pipe number (because it's easier to obtain). */ |
| 7642 | static void |
| 7643 | intel_modeset_affected_pipes(struct drm_crtc *crtc, unsigned *modeset_pipes, |
| 7644 | unsigned *prepare_pipes, unsigned *disable_pipes) |
| 7645 | { |
| 7646 | struct intel_crtc *intel_crtc; |
| 7647 | struct drm_device *dev = crtc->dev; |
| 7648 | struct intel_encoder *encoder; |
| 7649 | struct intel_connector *connector; |
| 7650 | struct drm_crtc *tmp_crtc; |
| 7651 | |
| 7652 | *disable_pipes = *modeset_pipes = *prepare_pipes = 0; |
| 7653 | |
| 7654 | /* Check which crtcs have changed outputs connected to them, these need |
| 7655 | * to be part of the prepare_pipes mask. We don't (yet) support global |
| 7656 | * modeset across multiple crtcs, so modeset_pipes will only have one |
| 7657 | * bit set at most. */ |
| 7658 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
| 7659 | base.head) { |
| 7660 | if (connector->base.encoder == &connector->new_encoder->base) |
| 7661 | continue; |
| 7662 | |
| 7663 | if (connector->base.encoder) { |
| 7664 | tmp_crtc = connector->base.encoder->crtc; |
| 7665 | |
| 7666 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; |
| 7667 | } |
| 7668 | |
| 7669 | if (connector->new_encoder) |
| 7670 | *prepare_pipes |= |
| 7671 | 1 << connector->new_encoder->new_crtc->pipe; |
| 7672 | } |
| 7673 | |
| 7674 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 7675 | base.head) { |
| 7676 | if (encoder->base.crtc == &encoder->new_crtc->base) |
| 7677 | continue; |
| 7678 | |
| 7679 | if (encoder->base.crtc) { |
| 7680 | tmp_crtc = encoder->base.crtc; |
| 7681 | |
| 7682 | *prepare_pipes |= 1 << to_intel_crtc(tmp_crtc)->pipe; |
| 7683 | } |
| 7684 | |
| 7685 | if (encoder->new_crtc) |
| 7686 | *prepare_pipes |= 1 << encoder->new_crtc->pipe; |
| 7687 | } |
| 7688 | |
| 7689 | /* Check for any pipes that will be fully disabled ... */ |
| 7690 | list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, |
| 7691 | base.head) { |
| 7692 | bool used = false; |
| 7693 | |
| 7694 | /* Don't try to disable disabled crtcs. */ |
| 7695 | if (!intel_crtc->base.enabled) |
| 7696 | continue; |
| 7697 | |
| 7698 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 7699 | base.head) { |
| 7700 | if (encoder->new_crtc == intel_crtc) |
| 7701 | used = true; |
| 7702 | } |
| 7703 | |
| 7704 | if (!used) |
| 7705 | *disable_pipes |= 1 << intel_crtc->pipe; |
| 7706 | } |
| 7707 | |
| 7708 | |
| 7709 | /* set_mode is also used to update properties on life display pipes. */ |
| 7710 | intel_crtc = to_intel_crtc(crtc); |
| 7711 | if (crtc->enabled) |
| 7712 | *prepare_pipes |= 1 << intel_crtc->pipe; |
| 7713 | |
| 7714 | /* We only support modeset on one single crtc, hence we need to do that |
| 7715 | * only for the passed in crtc iff we change anything else than just |
| 7716 | * disable crtcs. |
| 7717 | * |
| 7718 | * This is actually not true, to be fully compatible with the old crtc |
| 7719 | * helper we automatically disable _any_ output (i.e. doesn't need to be |
| 7720 | * connected to the crtc we're modesetting on) if it's disconnected. |
| 7721 | * Which is a rather nutty api (since changed the output configuration |
| 7722 | * without userspace's explicit request can lead to confusion), but |
| 7723 | * alas. Hence we currently need to modeset on all pipes we prepare. */ |
| 7724 | if (*prepare_pipes) |
| 7725 | *modeset_pipes = *prepare_pipes; |
| 7726 | |
| 7727 | /* ... and mask these out. */ |
| 7728 | *modeset_pipes &= ~(*disable_pipes); |
| 7729 | *prepare_pipes &= ~(*disable_pipes); |
| 7730 | } |
| 7731 | |
Daniel Vetter | ea9d758 | 2012-07-10 10:42:52 +0200 | [diff] [blame] | 7732 | static bool intel_crtc_in_use(struct drm_crtc *crtc) |
| 7733 | { |
| 7734 | struct drm_encoder *encoder; |
| 7735 | struct drm_device *dev = crtc->dev; |
| 7736 | |
| 7737 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) |
| 7738 | if (encoder->crtc == crtc) |
| 7739 | return true; |
| 7740 | |
| 7741 | return false; |
| 7742 | } |
| 7743 | |
| 7744 | static void |
| 7745 | intel_modeset_update_state(struct drm_device *dev, unsigned prepare_pipes) |
| 7746 | { |
| 7747 | struct intel_encoder *intel_encoder; |
| 7748 | struct intel_crtc *intel_crtc; |
| 7749 | struct drm_connector *connector; |
| 7750 | |
| 7751 | list_for_each_entry(intel_encoder, &dev->mode_config.encoder_list, |
| 7752 | base.head) { |
| 7753 | if (!intel_encoder->base.crtc) |
| 7754 | continue; |
| 7755 | |
| 7756 | intel_crtc = to_intel_crtc(intel_encoder->base.crtc); |
| 7757 | |
| 7758 | if (prepare_pipes & (1 << intel_crtc->pipe)) |
| 7759 | intel_encoder->connectors_active = false; |
| 7760 | } |
| 7761 | |
| 7762 | intel_modeset_commit_output_state(dev); |
| 7763 | |
| 7764 | /* Update computed state. */ |
| 7765 | list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, |
| 7766 | base.head) { |
| 7767 | intel_crtc->base.enabled = intel_crtc_in_use(&intel_crtc->base); |
| 7768 | } |
| 7769 | |
| 7770 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
| 7771 | if (!connector->encoder || !connector->encoder->crtc) |
| 7772 | continue; |
| 7773 | |
| 7774 | intel_crtc = to_intel_crtc(connector->encoder->crtc); |
| 7775 | |
| 7776 | if (prepare_pipes & (1 << intel_crtc->pipe)) { |
Daniel Vetter | 68d3472 | 2012-09-06 22:08:35 +0200 | [diff] [blame] | 7777 | struct drm_property *dpms_property = |
| 7778 | dev->mode_config.dpms_property; |
| 7779 | |
Daniel Vetter | ea9d758 | 2012-07-10 10:42:52 +0200 | [diff] [blame] | 7780 | connector->dpms = DRM_MODE_DPMS_ON; |
Rob Clark | 662595d | 2012-10-11 20:36:04 -0500 | [diff] [blame] | 7781 | drm_object_property_set_value(&connector->base, |
Daniel Vetter | 68d3472 | 2012-09-06 22:08:35 +0200 | [diff] [blame] | 7782 | dpms_property, |
| 7783 | DRM_MODE_DPMS_ON); |
Daniel Vetter | ea9d758 | 2012-07-10 10:42:52 +0200 | [diff] [blame] | 7784 | |
| 7785 | intel_encoder = to_intel_encoder(connector->encoder); |
| 7786 | intel_encoder->connectors_active = true; |
| 7787 | } |
| 7788 | } |
| 7789 | |
| 7790 | } |
| 7791 | |
Daniel Vetter | 25c5b26 | 2012-07-08 22:08:04 +0200 | [diff] [blame] | 7792 | #define for_each_intel_crtc_masked(dev, mask, intel_crtc) \ |
| 7793 | list_for_each_entry((intel_crtc), \ |
| 7794 | &(dev)->mode_config.crtc_list, \ |
| 7795 | base.head) \ |
| 7796 | if (mask & (1 <<(intel_crtc)->pipe)) \ |
| 7797 | |
Daniel Vetter | b980514 | 2012-08-31 17:37:33 +0200 | [diff] [blame] | 7798 | void |
Daniel Vetter | 8af6cf8 | 2012-07-10 09:50:11 +0200 | [diff] [blame] | 7799 | intel_modeset_check_state(struct drm_device *dev) |
| 7800 | { |
| 7801 | struct intel_crtc *crtc; |
| 7802 | struct intel_encoder *encoder; |
| 7803 | struct intel_connector *connector; |
| 7804 | |
| 7805 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
| 7806 | base.head) { |
| 7807 | /* This also checks the encoder/connector hw state with the |
| 7808 | * ->get_hw_state callbacks. */ |
| 7809 | intel_connector_check_state(connector); |
| 7810 | |
| 7811 | WARN(&connector->new_encoder->base != connector->base.encoder, |
| 7812 | "connector's staged encoder doesn't match current encoder\n"); |
| 7813 | } |
| 7814 | |
| 7815 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 7816 | base.head) { |
| 7817 | bool enabled = false; |
| 7818 | bool active = false; |
| 7819 | enum pipe pipe, tracked_pipe; |
| 7820 | |
| 7821 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", |
| 7822 | encoder->base.base.id, |
| 7823 | drm_get_encoder_name(&encoder->base)); |
| 7824 | |
| 7825 | WARN(&encoder->new_crtc->base != encoder->base.crtc, |
| 7826 | "encoder's stage crtc doesn't match current crtc\n"); |
| 7827 | WARN(encoder->connectors_active && !encoder->base.crtc, |
| 7828 | "encoder's active_connectors set, but no crtc\n"); |
| 7829 | |
| 7830 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
| 7831 | base.head) { |
| 7832 | if (connector->base.encoder != &encoder->base) |
| 7833 | continue; |
| 7834 | enabled = true; |
| 7835 | if (connector->base.dpms != DRM_MODE_DPMS_OFF) |
| 7836 | active = true; |
| 7837 | } |
| 7838 | WARN(!!encoder->base.crtc != enabled, |
| 7839 | "encoder's enabled state mismatch " |
| 7840 | "(expected %i, found %i)\n", |
| 7841 | !!encoder->base.crtc, enabled); |
| 7842 | WARN(active && !encoder->base.crtc, |
| 7843 | "active encoder with no crtc\n"); |
| 7844 | |
| 7845 | WARN(encoder->connectors_active != active, |
| 7846 | "encoder's computed active state doesn't match tracked active state " |
| 7847 | "(expected %i, found %i)\n", active, encoder->connectors_active); |
| 7848 | |
| 7849 | active = encoder->get_hw_state(encoder, &pipe); |
| 7850 | WARN(active != encoder->connectors_active, |
| 7851 | "encoder's hw state doesn't match sw tracking " |
| 7852 | "(expected %i, found %i)\n", |
| 7853 | encoder->connectors_active, active); |
| 7854 | |
| 7855 | if (!encoder->base.crtc) |
| 7856 | continue; |
| 7857 | |
| 7858 | tracked_pipe = to_intel_crtc(encoder->base.crtc)->pipe; |
| 7859 | WARN(active && pipe != tracked_pipe, |
| 7860 | "active encoder's pipe doesn't match" |
| 7861 | "(expected %i, found %i)\n", |
| 7862 | tracked_pipe, pipe); |
| 7863 | |
| 7864 | } |
| 7865 | |
| 7866 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, |
| 7867 | base.head) { |
| 7868 | bool enabled = false; |
| 7869 | bool active = false; |
| 7870 | |
| 7871 | DRM_DEBUG_KMS("[CRTC:%d]\n", |
| 7872 | crtc->base.base.id); |
| 7873 | |
| 7874 | WARN(crtc->active && !crtc->base.enabled, |
| 7875 | "active crtc, but not enabled in sw tracking\n"); |
| 7876 | |
| 7877 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 7878 | base.head) { |
| 7879 | if (encoder->base.crtc != &crtc->base) |
| 7880 | continue; |
| 7881 | enabled = true; |
| 7882 | if (encoder->connectors_active) |
| 7883 | active = true; |
| 7884 | } |
| 7885 | WARN(active != crtc->active, |
| 7886 | "crtc's computed active state doesn't match tracked active state " |
| 7887 | "(expected %i, found %i)\n", active, crtc->active); |
| 7888 | WARN(enabled != crtc->base.enabled, |
| 7889 | "crtc's computed enabled state doesn't match tracked enabled state " |
| 7890 | "(expected %i, found %i)\n", enabled, crtc->base.enabled); |
| 7891 | |
| 7892 | assert_pipe(dev->dev_private, crtc->pipe, crtc->active); |
| 7893 | } |
| 7894 | } |
| 7895 | |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7896 | bool intel_set_mode(struct drm_crtc *crtc, |
| 7897 | struct drm_display_mode *mode, |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 7898 | int x, int y, struct drm_framebuffer *fb) |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7899 | { |
| 7900 | struct drm_device *dev = crtc->dev; |
Daniel Vetter | dbf2b54e | 2012-07-02 11:18:29 +0200 | [diff] [blame] | 7901 | drm_i915_private_t *dev_priv = dev->dev_private; |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7902 | struct drm_display_mode *adjusted_mode, saved_mode, saved_hwmode; |
Daniel Vetter | 25c5b26 | 2012-07-08 22:08:04 +0200 | [diff] [blame] | 7903 | struct intel_crtc *intel_crtc; |
| 7904 | unsigned disable_pipes, prepare_pipes, modeset_pipes; |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7905 | bool ret = true; |
| 7906 | |
Daniel Vetter | e2e1ed4 | 2012-07-08 21:14:38 +0200 | [diff] [blame] | 7907 | intel_modeset_affected_pipes(crtc, &modeset_pipes, |
Daniel Vetter | 25c5b26 | 2012-07-08 22:08:04 +0200 | [diff] [blame] | 7908 | &prepare_pipes, &disable_pipes); |
| 7909 | |
| 7910 | DRM_DEBUG_KMS("set mode pipe masks: modeset: %x, prepare: %x, disable: %x\n", |
| 7911 | modeset_pipes, prepare_pipes, disable_pipes); |
Daniel Vetter | e2e1ed4 | 2012-07-08 21:14:38 +0200 | [diff] [blame] | 7912 | |
Daniel Vetter | 976f8a2 | 2012-07-08 22:34:21 +0200 | [diff] [blame] | 7913 | for_each_intel_crtc_masked(dev, disable_pipes, intel_crtc) |
| 7914 | intel_crtc_disable(&intel_crtc->base); |
| 7915 | |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7916 | saved_hwmode = crtc->hwmode; |
| 7917 | saved_mode = crtc->mode; |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7918 | |
Daniel Vetter | 25c5b26 | 2012-07-08 22:08:04 +0200 | [diff] [blame] | 7919 | /* Hack: Because we don't (yet) support global modeset on multiple |
| 7920 | * crtcs, we don't keep track of the new mode for more than one crtc. |
| 7921 | * Hence simply check whether any bit is set in modeset_pipes in all the |
| 7922 | * pieces of code that are not yet converted to deal with mutliple crtcs |
| 7923 | * changing their mode at the same time. */ |
| 7924 | adjusted_mode = NULL; |
| 7925 | if (modeset_pipes) { |
| 7926 | adjusted_mode = intel_modeset_adjusted_mode(crtc, mode); |
| 7927 | if (IS_ERR(adjusted_mode)) { |
| 7928 | return false; |
| 7929 | } |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7930 | } |
| 7931 | |
Daniel Vetter | ea9d758 | 2012-07-10 10:42:52 +0200 | [diff] [blame] | 7932 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) { |
| 7933 | if (intel_crtc->base.enabled) |
| 7934 | dev_priv->display.crtc_disable(&intel_crtc->base); |
| 7935 | } |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7936 | |
Daniel Vetter | 6c4c86f | 2012-09-10 21:58:30 +0200 | [diff] [blame] | 7937 | /* crtc->mode is already used by the ->mode_set callbacks, hence we need |
| 7938 | * to set it here already despite that we pass it down the callchain. |
| 7939 | */ |
| 7940 | if (modeset_pipes) |
Daniel Vetter | 25c5b26 | 2012-07-08 22:08:04 +0200 | [diff] [blame] | 7941 | crtc->mode = *mode; |
Daniel Vetter | 7758a11 | 2012-07-08 19:40:39 +0200 | [diff] [blame] | 7942 | |
Daniel Vetter | ea9d758 | 2012-07-10 10:42:52 +0200 | [diff] [blame] | 7943 | /* Only after disabling all output pipelines that will be changed can we |
| 7944 | * update the the output configuration. */ |
| 7945 | intel_modeset_update_state(dev, prepare_pipes); |
| 7946 | |
Daniel Vetter | 47fab73 | 2012-10-26 10:58:18 +0200 | [diff] [blame] | 7947 | if (dev_priv->display.modeset_global_resources) |
| 7948 | dev_priv->display.modeset_global_resources(dev); |
| 7949 | |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7950 | /* Set up the DPLL and any encoders state that needs to adjust or depend |
| 7951 | * on the DPLL. |
| 7952 | */ |
Daniel Vetter | 25c5b26 | 2012-07-08 22:08:04 +0200 | [diff] [blame] | 7953 | for_each_intel_crtc_masked(dev, modeset_pipes, intel_crtc) { |
| 7954 | ret = !intel_crtc_mode_set(&intel_crtc->base, |
| 7955 | mode, adjusted_mode, |
| 7956 | x, y, fb); |
| 7957 | if (!ret) |
| 7958 | goto done; |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7959 | } |
| 7960 | |
| 7961 | /* Now enable the clocks, plane, pipe, and connectors that we set up. */ |
Daniel Vetter | 25c5b26 | 2012-07-08 22:08:04 +0200 | [diff] [blame] | 7962 | for_each_intel_crtc_masked(dev, prepare_pipes, intel_crtc) |
| 7963 | dev_priv->display.crtc_enable(&intel_crtc->base); |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7964 | |
Daniel Vetter | 25c5b26 | 2012-07-08 22:08:04 +0200 | [diff] [blame] | 7965 | if (modeset_pipes) { |
| 7966 | /* Store real post-adjustment hardware mode. */ |
| 7967 | crtc->hwmode = *adjusted_mode; |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7968 | |
Daniel Vetter | 25c5b26 | 2012-07-08 22:08:04 +0200 | [diff] [blame] | 7969 | /* Calculate and store various constants which |
| 7970 | * are later needed by vblank and swap-completion |
| 7971 | * timestamping. They are derived from true hwmode. |
| 7972 | */ |
| 7973 | drm_calc_timestamping_constants(crtc); |
| 7974 | } |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7975 | |
| 7976 | /* FIXME: add subpixel order */ |
| 7977 | done: |
| 7978 | drm_mode_destroy(dev, adjusted_mode); |
Daniel Vetter | 25c5b26 | 2012-07-08 22:08:04 +0200 | [diff] [blame] | 7979 | if (!ret && crtc->enabled) { |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7980 | crtc->hwmode = saved_hwmode; |
| 7981 | crtc->mode = saved_mode; |
Daniel Vetter | 8af6cf8 | 2012-07-10 09:50:11 +0200 | [diff] [blame] | 7982 | } else { |
| 7983 | intel_modeset_check_state(dev); |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 7984 | } |
| 7985 | |
| 7986 | return ret; |
| 7987 | } |
| 7988 | |
Daniel Vetter | 25c5b26 | 2012-07-08 22:08:04 +0200 | [diff] [blame] | 7989 | #undef for_each_intel_crtc_masked |
| 7990 | |
Daniel Vetter | d9e5560 | 2012-07-04 22:16:09 +0200 | [diff] [blame] | 7991 | static void intel_set_config_free(struct intel_set_config *config) |
| 7992 | { |
| 7993 | if (!config) |
| 7994 | return; |
| 7995 | |
Daniel Vetter | 1aa4b62 | 2012-07-05 16:20:48 +0200 | [diff] [blame] | 7996 | kfree(config->save_connector_encoders); |
| 7997 | kfree(config->save_encoder_crtcs); |
Daniel Vetter | d9e5560 | 2012-07-04 22:16:09 +0200 | [diff] [blame] | 7998 | kfree(config); |
| 7999 | } |
| 8000 | |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8001 | static int intel_set_config_save_state(struct drm_device *dev, |
| 8002 | struct intel_set_config *config) |
| 8003 | { |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8004 | struct drm_encoder *encoder; |
| 8005 | struct drm_connector *connector; |
| 8006 | int count; |
| 8007 | |
Daniel Vetter | 1aa4b62 | 2012-07-05 16:20:48 +0200 | [diff] [blame] | 8008 | config->save_encoder_crtcs = |
| 8009 | kcalloc(dev->mode_config.num_encoder, |
| 8010 | sizeof(struct drm_crtc *), GFP_KERNEL); |
| 8011 | if (!config->save_encoder_crtcs) |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8012 | return -ENOMEM; |
| 8013 | |
Daniel Vetter | 1aa4b62 | 2012-07-05 16:20:48 +0200 | [diff] [blame] | 8014 | config->save_connector_encoders = |
| 8015 | kcalloc(dev->mode_config.num_connector, |
| 8016 | sizeof(struct drm_encoder *), GFP_KERNEL); |
| 8017 | if (!config->save_connector_encoders) |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8018 | return -ENOMEM; |
| 8019 | |
| 8020 | /* Copy data. Note that driver private data is not affected. |
| 8021 | * Should anything bad happen only the expected state is |
| 8022 | * restored, not the drivers personal bookkeeping. |
| 8023 | */ |
| 8024 | count = 0; |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8025 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
Daniel Vetter | 1aa4b62 | 2012-07-05 16:20:48 +0200 | [diff] [blame] | 8026 | config->save_encoder_crtcs[count++] = encoder->crtc; |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8027 | } |
| 8028 | |
| 8029 | count = 0; |
| 8030 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
Daniel Vetter | 1aa4b62 | 2012-07-05 16:20:48 +0200 | [diff] [blame] | 8031 | config->save_connector_encoders[count++] = connector->encoder; |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8032 | } |
| 8033 | |
| 8034 | return 0; |
| 8035 | } |
| 8036 | |
| 8037 | static void intel_set_config_restore_state(struct drm_device *dev, |
| 8038 | struct intel_set_config *config) |
| 8039 | { |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8040 | struct intel_encoder *encoder; |
| 8041 | struct intel_connector *connector; |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8042 | int count; |
| 8043 | |
| 8044 | count = 0; |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8045 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { |
| 8046 | encoder->new_crtc = |
| 8047 | to_intel_crtc(config->save_encoder_crtcs[count++]); |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8048 | } |
| 8049 | |
| 8050 | count = 0; |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8051 | list_for_each_entry(connector, &dev->mode_config.connector_list, base.head) { |
| 8052 | connector->new_encoder = |
| 8053 | to_intel_encoder(config->save_connector_encoders[count++]); |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8054 | } |
| 8055 | } |
| 8056 | |
Daniel Vetter | 5e2b584 | 2012-07-04 22:41:29 +0200 | [diff] [blame] | 8057 | static void |
| 8058 | intel_set_config_compute_mode_changes(struct drm_mode_set *set, |
| 8059 | struct intel_set_config *config) |
| 8060 | { |
| 8061 | |
| 8062 | /* We should be able to check here if the fb has the same properties |
| 8063 | * and then just flip_or_move it */ |
| 8064 | if (set->crtc->fb != set->fb) { |
| 8065 | /* If we have no fb then treat it as a full mode set */ |
| 8066 | if (set->crtc->fb == NULL) { |
| 8067 | DRM_DEBUG_KMS("crtc has no fb, full mode set\n"); |
| 8068 | config->mode_changed = true; |
| 8069 | } else if (set->fb == NULL) { |
| 8070 | config->mode_changed = true; |
| 8071 | } else if (set->fb->depth != set->crtc->fb->depth) { |
| 8072 | config->mode_changed = true; |
| 8073 | } else if (set->fb->bits_per_pixel != |
| 8074 | set->crtc->fb->bits_per_pixel) { |
| 8075 | config->mode_changed = true; |
| 8076 | } else |
| 8077 | config->fb_changed = true; |
| 8078 | } |
| 8079 | |
Daniel Vetter | 835c587 | 2012-07-10 18:11:08 +0200 | [diff] [blame] | 8080 | if (set->fb && (set->x != set->crtc->x || set->y != set->crtc->y)) |
Daniel Vetter | 5e2b584 | 2012-07-04 22:41:29 +0200 | [diff] [blame] | 8081 | config->fb_changed = true; |
| 8082 | |
| 8083 | if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) { |
| 8084 | DRM_DEBUG_KMS("modes are different, full mode set\n"); |
| 8085 | drm_mode_debug_printmodeline(&set->crtc->mode); |
| 8086 | drm_mode_debug_printmodeline(set->mode); |
| 8087 | config->mode_changed = true; |
| 8088 | } |
| 8089 | } |
| 8090 | |
Daniel Vetter | 2e43105 | 2012-07-04 22:42:15 +0200 | [diff] [blame] | 8091 | static int |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8092 | intel_modeset_stage_output_state(struct drm_device *dev, |
| 8093 | struct drm_mode_set *set, |
| 8094 | struct intel_set_config *config) |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8095 | { |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8096 | struct drm_crtc *new_crtc; |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8097 | struct intel_connector *connector; |
| 8098 | struct intel_encoder *encoder; |
Daniel Vetter | 2e43105 | 2012-07-04 22:42:15 +0200 | [diff] [blame] | 8099 | int count, ro; |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8100 | |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8101 | /* The upper layers ensure that we either disabl a crtc or have a list |
| 8102 | * of connectors. For paranoia, double-check this. */ |
| 8103 | WARN_ON(!set->fb && (set->num_connectors != 0)); |
| 8104 | WARN_ON(set->fb && (set->num_connectors == 0)); |
| 8105 | |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8106 | count = 0; |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8107 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
| 8108 | base.head) { |
| 8109 | /* Otherwise traverse passed in connector list and get encoders |
| 8110 | * for them. */ |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8111 | for (ro = 0; ro < set->num_connectors; ro++) { |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8112 | if (set->connectors[ro] == &connector->base) { |
| 8113 | connector->new_encoder = connector->encoder; |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8114 | break; |
| 8115 | } |
| 8116 | } |
| 8117 | |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8118 | /* If we disable the crtc, disable all its connectors. Also, if |
| 8119 | * the connector is on the changing crtc but not on the new |
| 8120 | * connector list, disable it. */ |
| 8121 | if ((!set->fb || ro == set->num_connectors) && |
| 8122 | connector->base.encoder && |
| 8123 | connector->base.encoder->crtc == set->crtc) { |
| 8124 | connector->new_encoder = NULL; |
| 8125 | |
| 8126 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [NOCRTC]\n", |
| 8127 | connector->base.base.id, |
| 8128 | drm_get_connector_name(&connector->base)); |
| 8129 | } |
| 8130 | |
| 8131 | |
| 8132 | if (&connector->new_encoder->base != connector->base.encoder) { |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8133 | DRM_DEBUG_KMS("encoder changed, full mode switch\n"); |
Daniel Vetter | 5e2b584 | 2012-07-04 22:41:29 +0200 | [diff] [blame] | 8134 | config->mode_changed = true; |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8135 | } |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8136 | |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8137 | /* Disable all disconnected encoders. */ |
| 8138 | if (connector->base.status == connector_status_disconnected) |
| 8139 | connector->new_encoder = NULL; |
| 8140 | } |
| 8141 | /* connector->new_encoder is now updated for all connectors. */ |
| 8142 | |
| 8143 | /* Update crtc of enabled connectors. */ |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8144 | count = 0; |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8145 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
| 8146 | base.head) { |
| 8147 | if (!connector->new_encoder) |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8148 | continue; |
| 8149 | |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8150 | new_crtc = connector->new_encoder->base.crtc; |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8151 | |
| 8152 | for (ro = 0; ro < set->num_connectors; ro++) { |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8153 | if (set->connectors[ro] == &connector->base) |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8154 | new_crtc = set->crtc; |
| 8155 | } |
| 8156 | |
| 8157 | /* Make sure the new CRTC will work with the encoder */ |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8158 | if (!intel_encoder_crtc_ok(&connector->new_encoder->base, |
| 8159 | new_crtc)) { |
Daniel Vetter | 5e2b584 | 2012-07-04 22:41:29 +0200 | [diff] [blame] | 8160 | return -EINVAL; |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8161 | } |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8162 | connector->encoder->new_crtc = to_intel_crtc(new_crtc); |
| 8163 | |
| 8164 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] to [CRTC:%d]\n", |
| 8165 | connector->base.base.id, |
| 8166 | drm_get_connector_name(&connector->base), |
| 8167 | new_crtc->base.id); |
| 8168 | } |
| 8169 | |
| 8170 | /* Check for any encoders that needs to be disabled. */ |
| 8171 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 8172 | base.head) { |
| 8173 | list_for_each_entry(connector, |
| 8174 | &dev->mode_config.connector_list, |
| 8175 | base.head) { |
| 8176 | if (connector->new_encoder == encoder) { |
| 8177 | WARN_ON(!connector->new_encoder->new_crtc); |
| 8178 | |
| 8179 | goto next_encoder; |
| 8180 | } |
| 8181 | } |
| 8182 | encoder->new_crtc = NULL; |
| 8183 | next_encoder: |
| 8184 | /* Only now check for crtc changes so we don't miss encoders |
| 8185 | * that will be disabled. */ |
| 8186 | if (&encoder->new_crtc->base != encoder->base.crtc) { |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8187 | DRM_DEBUG_KMS("crtc changed, full mode switch\n"); |
Daniel Vetter | 5e2b584 | 2012-07-04 22:41:29 +0200 | [diff] [blame] | 8188 | config->mode_changed = true; |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8189 | } |
| 8190 | } |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8191 | /* Now we've also updated encoder->new_crtc for all encoders. */ |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8192 | |
Daniel Vetter | 2e43105 | 2012-07-04 22:42:15 +0200 | [diff] [blame] | 8193 | return 0; |
| 8194 | } |
| 8195 | |
| 8196 | static int intel_crtc_set_config(struct drm_mode_set *set) |
| 8197 | { |
| 8198 | struct drm_device *dev; |
Daniel Vetter | 2e43105 | 2012-07-04 22:42:15 +0200 | [diff] [blame] | 8199 | struct drm_mode_set save_set; |
| 8200 | struct intel_set_config *config; |
| 8201 | int ret; |
Daniel Vetter | 2e43105 | 2012-07-04 22:42:15 +0200 | [diff] [blame] | 8202 | |
Daniel Vetter | 8d3e375 | 2012-07-05 16:09:09 +0200 | [diff] [blame] | 8203 | BUG_ON(!set); |
| 8204 | BUG_ON(!set->crtc); |
| 8205 | BUG_ON(!set->crtc->helper_private); |
Daniel Vetter | 2e43105 | 2012-07-04 22:42:15 +0200 | [diff] [blame] | 8206 | |
| 8207 | if (!set->mode) |
| 8208 | set->fb = NULL; |
| 8209 | |
Daniel Vetter | 431e50f | 2012-07-10 17:53:42 +0200 | [diff] [blame] | 8210 | /* The fb helper likes to play gross jokes with ->mode_set_config. |
| 8211 | * Unfortunately the crtc helper doesn't do much at all for this case, |
| 8212 | * so we have to cope with this madness until the fb helper is fixed up. */ |
| 8213 | if (set->fb && set->num_connectors == 0) |
| 8214 | return 0; |
| 8215 | |
Daniel Vetter | 2e43105 | 2012-07-04 22:42:15 +0200 | [diff] [blame] | 8216 | if (set->fb) { |
| 8217 | DRM_DEBUG_KMS("[CRTC:%d] [FB:%d] #connectors=%d (x y) (%i %i)\n", |
| 8218 | set->crtc->base.id, set->fb->base.id, |
| 8219 | (int)set->num_connectors, set->x, set->y); |
| 8220 | } else { |
| 8221 | DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id); |
Daniel Vetter | 2e43105 | 2012-07-04 22:42:15 +0200 | [diff] [blame] | 8222 | } |
| 8223 | |
| 8224 | dev = set->crtc->dev; |
| 8225 | |
| 8226 | ret = -ENOMEM; |
| 8227 | config = kzalloc(sizeof(*config), GFP_KERNEL); |
| 8228 | if (!config) |
| 8229 | goto out_config; |
| 8230 | |
| 8231 | ret = intel_set_config_save_state(dev, config); |
| 8232 | if (ret) |
| 8233 | goto out_config; |
| 8234 | |
| 8235 | save_set.crtc = set->crtc; |
| 8236 | save_set.mode = &set->crtc->mode; |
| 8237 | save_set.x = set->crtc->x; |
| 8238 | save_set.y = set->crtc->y; |
| 8239 | save_set.fb = set->crtc->fb; |
| 8240 | |
| 8241 | /* Compute whether we need a full modeset, only an fb base update or no |
| 8242 | * change at all. In the future we might also check whether only the |
| 8243 | * mode changed, e.g. for LVDS where we only change the panel fitter in |
| 8244 | * such cases. */ |
| 8245 | intel_set_config_compute_mode_changes(set, config); |
| 8246 | |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 8247 | ret = intel_modeset_stage_output_state(dev, set, config); |
Daniel Vetter | 2e43105 | 2012-07-04 22:42:15 +0200 | [diff] [blame] | 8248 | if (ret) |
| 8249 | goto fail; |
| 8250 | |
Daniel Vetter | 5e2b584 | 2012-07-04 22:41:29 +0200 | [diff] [blame] | 8251 | if (config->mode_changed) { |
Daniel Vetter | 87f1faa | 2012-07-05 23:36:17 +0200 | [diff] [blame] | 8252 | if (set->mode) { |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8253 | DRM_DEBUG_KMS("attempting to set mode from" |
| 8254 | " userspace\n"); |
| 8255 | drm_mode_debug_printmodeline(set->mode); |
Daniel Vetter | 87f1faa | 2012-07-05 23:36:17 +0200 | [diff] [blame] | 8256 | } |
| 8257 | |
| 8258 | if (!intel_set_mode(set->crtc, set->mode, |
| 8259 | set->x, set->y, set->fb)) { |
| 8260 | DRM_ERROR("failed to set mode on [CRTC:%d]\n", |
| 8261 | set->crtc->base.id); |
| 8262 | ret = -EINVAL; |
| 8263 | goto fail; |
| 8264 | } |
Daniel Vetter | 5e2b584 | 2012-07-04 22:41:29 +0200 | [diff] [blame] | 8265 | } else if (config->fb_changed) { |
Daniel Vetter | 4f660f4 | 2012-07-02 09:47:37 +0200 | [diff] [blame] | 8266 | ret = intel_pipe_set_base(set->crtc, |
Daniel Vetter | 94352cf | 2012-07-05 22:51:56 +0200 | [diff] [blame] | 8267 | set->x, set->y, set->fb); |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8268 | } |
| 8269 | |
Daniel Vetter | d9e5560 | 2012-07-04 22:16:09 +0200 | [diff] [blame] | 8270 | intel_set_config_free(config); |
| 8271 | |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8272 | return 0; |
| 8273 | |
| 8274 | fail: |
Daniel Vetter | 85f9eb7 | 2012-07-04 22:24:08 +0200 | [diff] [blame] | 8275 | intel_set_config_restore_state(dev, config); |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8276 | |
| 8277 | /* Try to restore the config */ |
Daniel Vetter | 5e2b584 | 2012-07-04 22:41:29 +0200 | [diff] [blame] | 8278 | if (config->mode_changed && |
Daniel Vetter | a6778b3 | 2012-07-02 09:56:42 +0200 | [diff] [blame] | 8279 | !intel_set_mode(save_set.crtc, save_set.mode, |
| 8280 | save_set.x, save_set.y, save_set.fb)) |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8281 | DRM_ERROR("failed to restore config after modeset failure\n"); |
| 8282 | |
Daniel Vetter | d9e5560 | 2012-07-04 22:16:09 +0200 | [diff] [blame] | 8283 | out_config: |
| 8284 | intel_set_config_free(config); |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8285 | return ret; |
| 8286 | } |
| 8287 | |
Chris Wilson | f6e5b16 | 2011-04-12 18:06:51 +0100 | [diff] [blame] | 8288 | static const struct drm_crtc_funcs intel_crtc_funcs = { |
Chris Wilson | f6e5b16 | 2011-04-12 18:06:51 +0100 | [diff] [blame] | 8289 | .cursor_set = intel_crtc_cursor_set, |
| 8290 | .cursor_move = intel_crtc_cursor_move, |
| 8291 | .gamma_set = intel_crtc_gamma_set, |
Daniel Vetter | 50f5611 | 2012-07-02 09:35:43 +0200 | [diff] [blame] | 8292 | .set_config = intel_crtc_set_config, |
Chris Wilson | f6e5b16 | 2011-04-12 18:06:51 +0100 | [diff] [blame] | 8293 | .destroy = intel_crtc_destroy, |
| 8294 | .page_flip = intel_crtc_page_flip, |
| 8295 | }; |
| 8296 | |
Paulo Zanoni | 79f689a | 2012-10-05 12:05:52 -0300 | [diff] [blame] | 8297 | static void intel_cpu_pll_init(struct drm_device *dev) |
| 8298 | { |
| 8299 | if (IS_HASWELL(dev)) |
| 8300 | intel_ddi_pll_init(dev); |
| 8301 | } |
| 8302 | |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 8303 | static void intel_pch_pll_init(struct drm_device *dev) |
| 8304 | { |
| 8305 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 8306 | int i; |
| 8307 | |
| 8308 | if (dev_priv->num_pch_pll == 0) { |
| 8309 | DRM_DEBUG_KMS("No PCH PLLs on this hardware, skipping initialisation\n"); |
| 8310 | return; |
| 8311 | } |
| 8312 | |
| 8313 | for (i = 0; i < dev_priv->num_pch_pll; i++) { |
| 8314 | dev_priv->pch_plls[i].pll_reg = _PCH_DPLL(i); |
| 8315 | dev_priv->pch_plls[i].fp0_reg = _PCH_FP0(i); |
| 8316 | dev_priv->pch_plls[i].fp1_reg = _PCH_FP1(i); |
| 8317 | } |
| 8318 | } |
| 8319 | |
Hannes Eder | b358d0a | 2008-12-18 21:18:47 +0100 | [diff] [blame] | 8320 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8321 | { |
Jesse Barnes | 22fd0fa | 2009-12-02 13:42:53 -0800 | [diff] [blame] | 8322 | drm_i915_private_t *dev_priv = dev->dev_private; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8323 | struct intel_crtc *intel_crtc; |
| 8324 | int i; |
| 8325 | |
| 8326 | intel_crtc = kzalloc(sizeof(struct intel_crtc) + (INTELFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); |
| 8327 | if (intel_crtc == NULL) |
| 8328 | return; |
| 8329 | |
| 8330 | drm_crtc_init(dev, &intel_crtc->base, &intel_crtc_funcs); |
| 8331 | |
| 8332 | drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8333 | for (i = 0; i < 256; i++) { |
| 8334 | intel_crtc->lut_r[i] = i; |
| 8335 | intel_crtc->lut_g[i] = i; |
| 8336 | intel_crtc->lut_b[i] = i; |
| 8337 | } |
| 8338 | |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 8339 | /* Swap pipes & planes for FBC on pre-965 */ |
| 8340 | intel_crtc->pipe = pipe; |
| 8341 | intel_crtc->plane = pipe; |
Paulo Zanoni | a5c961d | 2012-10-24 15:59:34 -0200 | [diff] [blame] | 8342 | intel_crtc->cpu_transcoder = pipe; |
Chris Wilson | e2e767a | 2010-09-13 16:53:12 +0100 | [diff] [blame] | 8343 | if (IS_MOBILE(dev) && IS_GEN3(dev)) { |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 8344 | DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); |
Chris Wilson | e2e767a | 2010-09-13 16:53:12 +0100 | [diff] [blame] | 8345 | intel_crtc->plane = !pipe; |
Jesse Barnes | 8082400 | 2009-09-10 15:28:06 -0700 | [diff] [blame] | 8346 | } |
| 8347 | |
Jesse Barnes | 22fd0fa | 2009-12-02 13:42:53 -0800 | [diff] [blame] | 8348 | BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || |
| 8349 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL); |
| 8350 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base; |
| 8351 | dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base; |
| 8352 | |
Jesse Barnes | 5a35420 | 2011-06-24 12:19:22 -0700 | [diff] [blame] | 8353 | intel_crtc->bpp = 24; /* default for pre-Ironlake */ |
Jesse Barnes | 7e7d76c | 2010-09-10 10:47:20 -0700 | [diff] [blame] | 8354 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8355 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8356 | } |
| 8357 | |
Carl Worth | 08d7b3d | 2009-04-29 14:43:54 -0700 | [diff] [blame] | 8358 | int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 8359 | struct drm_file *file) |
Carl Worth | 08d7b3d | 2009-04-29 14:43:54 -0700 | [diff] [blame] | 8360 | { |
Carl Worth | 08d7b3d | 2009-04-29 14:43:54 -0700 | [diff] [blame] | 8361 | struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; |
Daniel Vetter | c05422d | 2009-08-11 16:05:30 +0200 | [diff] [blame] | 8362 | struct drm_mode_object *drmmode_obj; |
| 8363 | struct intel_crtc *crtc; |
Carl Worth | 08d7b3d | 2009-04-29 14:43:54 -0700 | [diff] [blame] | 8364 | |
Daniel Vetter | 1cff8f6 | 2012-04-24 09:55:08 +0200 | [diff] [blame] | 8365 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 8366 | return -ENODEV; |
Carl Worth | 08d7b3d | 2009-04-29 14:43:54 -0700 | [diff] [blame] | 8367 | |
Daniel Vetter | c05422d | 2009-08-11 16:05:30 +0200 | [diff] [blame] | 8368 | drmmode_obj = drm_mode_object_find(dev, pipe_from_crtc_id->crtc_id, |
| 8369 | DRM_MODE_OBJECT_CRTC); |
Carl Worth | 08d7b3d | 2009-04-29 14:43:54 -0700 | [diff] [blame] | 8370 | |
Daniel Vetter | c05422d | 2009-08-11 16:05:30 +0200 | [diff] [blame] | 8371 | if (!drmmode_obj) { |
Carl Worth | 08d7b3d | 2009-04-29 14:43:54 -0700 | [diff] [blame] | 8372 | DRM_ERROR("no such CRTC id\n"); |
| 8373 | return -EINVAL; |
| 8374 | } |
| 8375 | |
Daniel Vetter | c05422d | 2009-08-11 16:05:30 +0200 | [diff] [blame] | 8376 | crtc = to_intel_crtc(obj_to_crtc(drmmode_obj)); |
| 8377 | pipe_from_crtc_id->pipe = crtc->pipe; |
Carl Worth | 08d7b3d | 2009-04-29 14:43:54 -0700 | [diff] [blame] | 8378 | |
Daniel Vetter | c05422d | 2009-08-11 16:05:30 +0200 | [diff] [blame] | 8379 | return 0; |
Carl Worth | 08d7b3d | 2009-04-29 14:43:54 -0700 | [diff] [blame] | 8380 | } |
| 8381 | |
Daniel Vetter | 66a9278 | 2012-07-12 20:08:18 +0200 | [diff] [blame] | 8382 | static int intel_encoder_clones(struct intel_encoder *encoder) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8383 | { |
Daniel Vetter | 66a9278 | 2012-07-12 20:08:18 +0200 | [diff] [blame] | 8384 | struct drm_device *dev = encoder->base.dev; |
| 8385 | struct intel_encoder *source_encoder; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8386 | int index_mask = 0; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8387 | int entry = 0; |
| 8388 | |
Daniel Vetter | 66a9278 | 2012-07-12 20:08:18 +0200 | [diff] [blame] | 8389 | list_for_each_entry(source_encoder, |
| 8390 | &dev->mode_config.encoder_list, base.head) { |
| 8391 | |
| 8392 | if (encoder == source_encoder) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8393 | index_mask |= (1 << entry); |
Daniel Vetter | 66a9278 | 2012-07-12 20:08:18 +0200 | [diff] [blame] | 8394 | |
| 8395 | /* Intel hw has only one MUX where enocoders could be cloned. */ |
| 8396 | if (encoder->cloneable && source_encoder->cloneable) |
| 8397 | index_mask |= (1 << entry); |
| 8398 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8399 | entry++; |
| 8400 | } |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 8401 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8402 | return index_mask; |
| 8403 | } |
| 8404 | |
Chris Wilson | 4d30244 | 2010-12-14 19:21:29 +0000 | [diff] [blame] | 8405 | static bool has_edp_a(struct drm_device *dev) |
| 8406 | { |
| 8407 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 8408 | |
| 8409 | if (!IS_MOBILE(dev)) |
| 8410 | return false; |
| 8411 | |
| 8412 | if ((I915_READ(DP_A) & DP_DETECTED) == 0) |
| 8413 | return false; |
| 8414 | |
| 8415 | if (IS_GEN5(dev) && |
| 8416 | (I915_READ(ILK_DISPLAY_CHICKEN_FUSES) & ILK_eDP_A_DISABLE)) |
| 8417 | return false; |
| 8418 | |
| 8419 | return true; |
| 8420 | } |
| 8421 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8422 | static void intel_setup_outputs(struct drm_device *dev) |
| 8423 | { |
Eric Anholt | 725e30a | 2009-01-22 13:01:02 -0800 | [diff] [blame] | 8424 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 8425 | struct intel_encoder *encoder; |
Adam Jackson | cb0953d | 2010-07-16 14:46:29 -0400 | [diff] [blame] | 8426 | bool dpd_is_edp = false; |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 8427 | bool has_lvds; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8428 | |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 8429 | has_lvds = intel_lvds_init(dev); |
Chris Wilson | c5d1b51 | 2010-11-29 18:00:23 +0000 | [diff] [blame] | 8430 | if (!has_lvds && !HAS_PCH_SPLIT(dev)) { |
| 8431 | /* disable the panel fitter on everything but LVDS */ |
| 8432 | I915_WRITE(PFIT_CONTROL, 0); |
| 8433 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8434 | |
Paulo Zanoni | 79935fc | 2012-11-20 13:27:40 -0200 | [diff] [blame] | 8435 | if (!(IS_HASWELL(dev) && |
| 8436 | (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES))) |
| 8437 | intel_crt_init(dev); |
Adam Jackson | cb0953d | 2010-07-16 14:46:29 -0400 | [diff] [blame] | 8438 | |
Eugeni Dodonov | 0e72a5b | 2012-05-09 15:37:27 -0300 | [diff] [blame] | 8439 | if (IS_HASWELL(dev)) { |
| 8440 | int found; |
| 8441 | |
| 8442 | /* Haswell uses DDI functions to detect digital outputs */ |
| 8443 | found = I915_READ(DDI_BUF_CTL_A) & DDI_INIT_DISPLAY_DETECTED; |
| 8444 | /* DDI A only supports eDP */ |
| 8445 | if (found) |
| 8446 | intel_ddi_init(dev, PORT_A); |
| 8447 | |
| 8448 | /* DDI B, C and D detection is indicated by the SFUSE_STRAP |
| 8449 | * register */ |
| 8450 | found = I915_READ(SFUSE_STRAP); |
| 8451 | |
| 8452 | if (found & SFUSE_STRAP_DDIB_DETECTED) |
| 8453 | intel_ddi_init(dev, PORT_B); |
| 8454 | if (found & SFUSE_STRAP_DDIC_DETECTED) |
| 8455 | intel_ddi_init(dev, PORT_C); |
| 8456 | if (found & SFUSE_STRAP_DDID_DETECTED) |
| 8457 | intel_ddi_init(dev, PORT_D); |
| 8458 | } else if (HAS_PCH_SPLIT(dev)) { |
Adam Jackson | cb0953d | 2010-07-16 14:46:29 -0400 | [diff] [blame] | 8459 | int found; |
Daniel Vetter | 270b304 | 2012-10-27 15:52:05 +0200 | [diff] [blame] | 8460 | dpd_is_edp = intel_dpd_is_edp(dev); |
| 8461 | |
| 8462 | if (has_edp_a(dev)) |
| 8463 | intel_dp_init(dev, DP_A, PORT_A); |
Adam Jackson | cb0953d | 2010-07-16 14:46:29 -0400 | [diff] [blame] | 8464 | |
Zhenyu Wang | 30ad48b | 2009-06-05 15:38:43 +0800 | [diff] [blame] | 8465 | if (I915_READ(HDMIB) & PORT_DETECTED) { |
Zhao Yakui | 461ed3c | 2010-03-30 15:11:33 +0800 | [diff] [blame] | 8466 | /* PCH SDVOB multiplex with HDMIB */ |
Daniel Vetter | eef4eac | 2012-03-23 23:43:35 +0100 | [diff] [blame] | 8467 | found = intel_sdvo_init(dev, PCH_SDVOB, true); |
Zhenyu Wang | 30ad48b | 2009-06-05 15:38:43 +0800 | [diff] [blame] | 8468 | if (!found) |
Daniel Vetter | 08d644a | 2012-07-12 20:19:59 +0200 | [diff] [blame] | 8469 | intel_hdmi_init(dev, HDMIB, PORT_B); |
Zhenyu Wang | 5eb08b6 | 2009-07-24 01:00:31 +0800 | [diff] [blame] | 8470 | if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED)) |
Paulo Zanoni | ab9d7c3 | 2012-07-17 17:53:45 -0300 | [diff] [blame] | 8471 | intel_dp_init(dev, PCH_DP_B, PORT_B); |
Zhenyu Wang | 30ad48b | 2009-06-05 15:38:43 +0800 | [diff] [blame] | 8472 | } |
| 8473 | |
| 8474 | if (I915_READ(HDMIC) & PORT_DETECTED) |
Daniel Vetter | 08d644a | 2012-07-12 20:19:59 +0200 | [diff] [blame] | 8475 | intel_hdmi_init(dev, HDMIC, PORT_C); |
Zhenyu Wang | 30ad48b | 2009-06-05 15:38:43 +0800 | [diff] [blame] | 8476 | |
Jesse Barnes | b708a1d | 2012-06-11 14:39:56 -0400 | [diff] [blame] | 8477 | if (!dpd_is_edp && I915_READ(HDMID) & PORT_DETECTED) |
Daniel Vetter | 08d644a | 2012-07-12 20:19:59 +0200 | [diff] [blame] | 8478 | intel_hdmi_init(dev, HDMID, PORT_D); |
Zhenyu Wang | 30ad48b | 2009-06-05 15:38:43 +0800 | [diff] [blame] | 8479 | |
Zhenyu Wang | 5eb08b6 | 2009-07-24 01:00:31 +0800 | [diff] [blame] | 8480 | if (I915_READ(PCH_DP_C) & DP_DETECTED) |
Paulo Zanoni | ab9d7c3 | 2012-07-17 17:53:45 -0300 | [diff] [blame] | 8481 | intel_dp_init(dev, PCH_DP_C, PORT_C); |
Zhenyu Wang | 5eb08b6 | 2009-07-24 01:00:31 +0800 | [diff] [blame] | 8482 | |
Daniel Vetter | 270b304 | 2012-10-27 15:52:05 +0200 | [diff] [blame] | 8483 | if (I915_READ(PCH_DP_D) & DP_DETECTED) |
Paulo Zanoni | ab9d7c3 | 2012-07-17 17:53:45 -0300 | [diff] [blame] | 8484 | intel_dp_init(dev, PCH_DP_D, PORT_D); |
Jesse Barnes | 4a87d65 | 2012-06-15 11:55:16 -0700 | [diff] [blame] | 8485 | } else if (IS_VALLEYVIEW(dev)) { |
| 8486 | int found; |
Zhenyu Wang | 5eb08b6 | 2009-07-24 01:00:31 +0800 | [diff] [blame] | 8487 | |
Gajanan Bhat | 19c0392 | 2012-09-27 19:13:07 +0530 | [diff] [blame] | 8488 | /* Check for built-in panel first. Shares lanes with HDMI on SDVOC */ |
| 8489 | if (I915_READ(DP_C) & DP_DETECTED) |
| 8490 | intel_dp_init(dev, DP_C, PORT_C); |
| 8491 | |
Jesse Barnes | 4a87d65 | 2012-06-15 11:55:16 -0700 | [diff] [blame] | 8492 | if (I915_READ(SDVOB) & PORT_DETECTED) { |
| 8493 | /* SDVOB multiplex with HDMIB */ |
| 8494 | found = intel_sdvo_init(dev, SDVOB, true); |
| 8495 | if (!found) |
Daniel Vetter | 08d644a | 2012-07-12 20:19:59 +0200 | [diff] [blame] | 8496 | intel_hdmi_init(dev, SDVOB, PORT_B); |
Jesse Barnes | 4a87d65 | 2012-06-15 11:55:16 -0700 | [diff] [blame] | 8497 | if (!found && (I915_READ(DP_B) & DP_DETECTED)) |
Paulo Zanoni | ab9d7c3 | 2012-07-17 17:53:45 -0300 | [diff] [blame] | 8498 | intel_dp_init(dev, DP_B, PORT_B); |
Jesse Barnes | 4a87d65 | 2012-06-15 11:55:16 -0700 | [diff] [blame] | 8499 | } |
| 8500 | |
| 8501 | if (I915_READ(SDVOC) & PORT_DETECTED) |
Daniel Vetter | 08d644a | 2012-07-12 20:19:59 +0200 | [diff] [blame] | 8502 | intel_hdmi_init(dev, SDVOC, PORT_C); |
Jesse Barnes | 4a87d65 | 2012-06-15 11:55:16 -0700 | [diff] [blame] | 8503 | |
Zhenyu Wang | 103a196 | 2009-11-27 11:44:36 +0800 | [diff] [blame] | 8504 | } else if (SUPPORTS_DIGITAL_OUTPUTS(dev)) { |
Ma Ling | 27185ae | 2009-08-24 13:50:23 +0800 | [diff] [blame] | 8505 | bool found = false; |
Eric Anholt | 7d57382 | 2009-01-02 13:33:00 -0800 | [diff] [blame] | 8506 | |
Eric Anholt | 725e30a | 2009-01-22 13:01:02 -0800 | [diff] [blame] | 8507 | if (I915_READ(SDVOB) & SDVO_DETECTED) { |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8508 | DRM_DEBUG_KMS("probing SDVOB\n"); |
Daniel Vetter | eef4eac | 2012-03-23 23:43:35 +0100 | [diff] [blame] | 8509 | found = intel_sdvo_init(dev, SDVOB, true); |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8510 | if (!found && SUPPORTS_INTEGRATED_HDMI(dev)) { |
| 8511 | DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); |
Daniel Vetter | 08d644a | 2012-07-12 20:19:59 +0200 | [diff] [blame] | 8512 | intel_hdmi_init(dev, SDVOB, PORT_B); |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8513 | } |
Ma Ling | 27185ae | 2009-08-24 13:50:23 +0800 | [diff] [blame] | 8514 | |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8515 | if (!found && SUPPORTS_INTEGRATED_DP(dev)) { |
| 8516 | DRM_DEBUG_KMS("probing DP_B\n"); |
Paulo Zanoni | ab9d7c3 | 2012-07-17 17:53:45 -0300 | [diff] [blame] | 8517 | intel_dp_init(dev, DP_B, PORT_B); |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8518 | } |
Eric Anholt | 725e30a | 2009-01-22 13:01:02 -0800 | [diff] [blame] | 8519 | } |
Kristian Høgsberg | 13520b0 | 2009-03-13 15:42:14 -0400 | [diff] [blame] | 8520 | |
| 8521 | /* Before G4X SDVOC doesn't have its own detect register */ |
Kristian Høgsberg | 13520b0 | 2009-03-13 15:42:14 -0400 | [diff] [blame] | 8522 | |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8523 | if (I915_READ(SDVOB) & SDVO_DETECTED) { |
| 8524 | DRM_DEBUG_KMS("probing SDVOC\n"); |
Daniel Vetter | eef4eac | 2012-03-23 23:43:35 +0100 | [diff] [blame] | 8525 | found = intel_sdvo_init(dev, SDVOC, false); |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8526 | } |
Ma Ling | 27185ae | 2009-08-24 13:50:23 +0800 | [diff] [blame] | 8527 | |
| 8528 | if (!found && (I915_READ(SDVOC) & SDVO_DETECTED)) { |
| 8529 | |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8530 | if (SUPPORTS_INTEGRATED_HDMI(dev)) { |
| 8531 | DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); |
Daniel Vetter | 08d644a | 2012-07-12 20:19:59 +0200 | [diff] [blame] | 8532 | intel_hdmi_init(dev, SDVOC, PORT_C); |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8533 | } |
| 8534 | if (SUPPORTS_INTEGRATED_DP(dev)) { |
| 8535 | DRM_DEBUG_KMS("probing DP_C\n"); |
Paulo Zanoni | ab9d7c3 | 2012-07-17 17:53:45 -0300 | [diff] [blame] | 8536 | intel_dp_init(dev, DP_C, PORT_C); |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8537 | } |
Eric Anholt | 725e30a | 2009-01-22 13:01:02 -0800 | [diff] [blame] | 8538 | } |
Ma Ling | 27185ae | 2009-08-24 13:50:23 +0800 | [diff] [blame] | 8539 | |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8540 | if (SUPPORTS_INTEGRATED_DP(dev) && |
| 8541 | (I915_READ(DP_D) & DP_DETECTED)) { |
| 8542 | DRM_DEBUG_KMS("probing DP_D\n"); |
Paulo Zanoni | ab9d7c3 | 2012-07-17 17:53:45 -0300 | [diff] [blame] | 8543 | intel_dp_init(dev, DP_D, PORT_D); |
Jesse Barnes | b01f2c3 | 2009-12-11 11:07:17 -0800 | [diff] [blame] | 8544 | } |
Eric Anholt | bad720f | 2009-10-22 16:11:14 -0700 | [diff] [blame] | 8545 | } else if (IS_GEN2(dev)) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8546 | intel_dvo_init(dev); |
| 8547 | |
Zhenyu Wang | 103a196 | 2009-11-27 11:44:36 +0800 | [diff] [blame] | 8548 | if (SUPPORTS_TV(dev)) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8549 | intel_tv_init(dev); |
| 8550 | |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 8551 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head) { |
| 8552 | encoder->base.possible_crtcs = encoder->crtc_mask; |
| 8553 | encoder->base.possible_clones = |
Daniel Vetter | 66a9278 | 2012-07-12 20:08:18 +0200 | [diff] [blame] | 8554 | intel_encoder_clones(encoder); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8555 | } |
Chris Wilson | 47356eb | 2011-01-11 17:06:04 +0000 | [diff] [blame] | 8556 | |
Paulo Zanoni | dde86e2 | 2012-12-01 12:04:25 -0200 | [diff] [blame] | 8557 | intel_init_pch_refclk(dev); |
Daniel Vetter | 270b304 | 2012-10-27 15:52:05 +0200 | [diff] [blame] | 8558 | |
| 8559 | drm_helper_move_panel_connectors_to_head(dev); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8560 | } |
| 8561 | |
| 8562 | static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) |
| 8563 | { |
| 8564 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8565 | |
| 8566 | drm_framebuffer_cleanup(fb); |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 8567 | drm_gem_object_unreference_unlocked(&intel_fb->obj->base); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8568 | |
| 8569 | kfree(intel_fb); |
| 8570 | } |
| 8571 | |
| 8572 | static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 8573 | struct drm_file *file, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8574 | unsigned int *handle) |
| 8575 | { |
| 8576 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 8577 | struct drm_i915_gem_object *obj = intel_fb->obj; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8578 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 8579 | return drm_gem_handle_create(file, &obj->base, handle); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8580 | } |
| 8581 | |
| 8582 | static const struct drm_framebuffer_funcs intel_fb_funcs = { |
| 8583 | .destroy = intel_user_framebuffer_destroy, |
| 8584 | .create_handle = intel_user_framebuffer_create_handle, |
| 8585 | }; |
| 8586 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 8587 | int intel_framebuffer_init(struct drm_device *dev, |
| 8588 | struct intel_framebuffer *intel_fb, |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 8589 | struct drm_mode_fb_cmd2 *mode_cmd, |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 8590 | struct drm_i915_gem_object *obj) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8591 | { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8592 | int ret; |
| 8593 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 8594 | if (obj->tiling_mode == I915_TILING_Y) |
Chris Wilson | 57cd650 | 2010-08-08 12:34:44 +0100 | [diff] [blame] | 8595 | return -EINVAL; |
| 8596 | |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 8597 | if (mode_cmd->pitches[0] & 63) |
Chris Wilson | 57cd650 | 2010-08-08 12:34:44 +0100 | [diff] [blame] | 8598 | return -EINVAL; |
| 8599 | |
Ville Syrjälä | 5d7bd70 | 2012-10-31 17:50:18 +0200 | [diff] [blame] | 8600 | /* FIXME <= Gen4 stride limits are bit unclear */ |
| 8601 | if (mode_cmd->pitches[0] > 32768) |
| 8602 | return -EINVAL; |
| 8603 | |
| 8604 | if (obj->tiling_mode != I915_TILING_NONE && |
| 8605 | mode_cmd->pitches[0] != obj->stride) |
| 8606 | return -EINVAL; |
| 8607 | |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 8608 | /* Reject formats not supported by any plane early. */ |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 8609 | switch (mode_cmd->pixel_format) { |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 8610 | case DRM_FORMAT_C8: |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 8611 | case DRM_FORMAT_RGB565: |
| 8612 | case DRM_FORMAT_XRGB8888: |
| 8613 | case DRM_FORMAT_ARGB8888: |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 8614 | break; |
| 8615 | case DRM_FORMAT_XRGB1555: |
| 8616 | case DRM_FORMAT_ARGB1555: |
| 8617 | if (INTEL_INFO(dev)->gen > 3) |
| 8618 | return -EINVAL; |
| 8619 | break; |
| 8620 | case DRM_FORMAT_XBGR8888: |
| 8621 | case DRM_FORMAT_ABGR8888: |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 8622 | case DRM_FORMAT_XRGB2101010: |
| 8623 | case DRM_FORMAT_ARGB2101010: |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 8624 | case DRM_FORMAT_XBGR2101010: |
| 8625 | case DRM_FORMAT_ABGR2101010: |
| 8626 | if (INTEL_INFO(dev)->gen < 4) |
| 8627 | return -EINVAL; |
Jesse Barnes | b562674 | 2011-06-24 12:19:27 -0700 | [diff] [blame] | 8628 | break; |
Ville Syrjälä | 04b3924 | 2011-11-17 18:05:13 +0200 | [diff] [blame] | 8629 | case DRM_FORMAT_YUYV: |
| 8630 | case DRM_FORMAT_UYVY: |
| 8631 | case DRM_FORMAT_YVYU: |
| 8632 | case DRM_FORMAT_VYUY: |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 8633 | if (INTEL_INFO(dev)->gen < 6) |
| 8634 | return -EINVAL; |
Chris Wilson | 57cd650 | 2010-08-08 12:34:44 +0100 | [diff] [blame] | 8635 | break; |
| 8636 | default: |
Ville Syrjälä | 57779d0 | 2012-10-31 17:50:14 +0200 | [diff] [blame] | 8637 | DRM_DEBUG_KMS("unsupported pixel format 0x%08x\n", mode_cmd->pixel_format); |
Chris Wilson | 57cd650 | 2010-08-08 12:34:44 +0100 | [diff] [blame] | 8638 | return -EINVAL; |
| 8639 | } |
| 8640 | |
Ville Syrjälä | 90f9a33 | 2012-10-31 17:50:19 +0200 | [diff] [blame] | 8641 | /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ |
| 8642 | if (mode_cmd->offsets[0] != 0) |
| 8643 | return -EINVAL; |
| 8644 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8645 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); |
| 8646 | if (ret) { |
| 8647 | DRM_ERROR("framebuffer init failed %d\n", ret); |
| 8648 | return ret; |
| 8649 | } |
| 8650 | |
| 8651 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8652 | intel_fb->obj = obj; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8653 | return 0; |
| 8654 | } |
| 8655 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8656 | static struct drm_framebuffer * |
| 8657 | intel_user_framebuffer_create(struct drm_device *dev, |
| 8658 | struct drm_file *filp, |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 8659 | struct drm_mode_fb_cmd2 *mode_cmd) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8660 | { |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 8661 | struct drm_i915_gem_object *obj; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8662 | |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 8663 | obj = to_intel_bo(drm_gem_object_lookup(dev, filp, |
| 8664 | mode_cmd->handles[0])); |
Chris Wilson | c872522 | 2011-02-19 11:31:06 +0000 | [diff] [blame] | 8665 | if (&obj->base == NULL) |
Chris Wilson | cce13ff | 2010-08-08 13:36:38 +0100 | [diff] [blame] | 8666 | return ERR_PTR(-ENOENT); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8667 | |
Chris Wilson | d2dff87 | 2011-04-19 08:36:26 +0100 | [diff] [blame] | 8668 | return intel_framebuffer_create(dev, mode_cmd, obj); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8669 | } |
| 8670 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8671 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8672 | .fb_create = intel_user_framebuffer_create, |
Dave Airlie | eb1f8e4 | 2010-05-07 06:42:51 +0000 | [diff] [blame] | 8673 | .output_poll_changed = intel_fb_output_poll_changed, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8674 | }; |
| 8675 | |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 8676 | /* Set up chip specific display functions */ |
| 8677 | static void intel_init_display(struct drm_device *dev) |
| 8678 | { |
| 8679 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 8680 | |
| 8681 | /* We always want a DPMS function */ |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 8682 | if (IS_HASWELL(dev)) { |
| 8683 | dev_priv->display.crtc_mode_set = haswell_crtc_mode_set; |
Paulo Zanoni | 4f771f1 | 2012-10-23 18:29:51 -0200 | [diff] [blame] | 8684 | dev_priv->display.crtc_enable = haswell_crtc_enable; |
| 8685 | dev_priv->display.crtc_disable = haswell_crtc_disable; |
Paulo Zanoni | 6441ab5 | 2012-10-05 12:05:58 -0300 | [diff] [blame] | 8686 | dev_priv->display.off = haswell_crtc_off; |
Paulo Zanoni | 09b4ddf | 2012-10-05 12:05:55 -0300 | [diff] [blame] | 8687 | dev_priv->display.update_plane = ironlake_update_plane; |
| 8688 | } else if (HAS_PCH_SPLIT(dev)) { |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 8689 | dev_priv->display.crtc_mode_set = ironlake_crtc_mode_set; |
Daniel Vetter | 76e5a89 | 2012-06-29 22:39:33 +0200 | [diff] [blame] | 8690 | dev_priv->display.crtc_enable = ironlake_crtc_enable; |
| 8691 | dev_priv->display.crtc_disable = ironlake_crtc_disable; |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 8692 | dev_priv->display.off = ironlake_crtc_off; |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 8693 | dev_priv->display.update_plane = ironlake_update_plane; |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 8694 | } else { |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 8695 | dev_priv->display.crtc_mode_set = i9xx_crtc_mode_set; |
Daniel Vetter | 76e5a89 | 2012-06-29 22:39:33 +0200 | [diff] [blame] | 8696 | dev_priv->display.crtc_enable = i9xx_crtc_enable; |
| 8697 | dev_priv->display.crtc_disable = i9xx_crtc_disable; |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 8698 | dev_priv->display.off = i9xx_crtc_off; |
Jesse Barnes | 17638cd | 2011-06-24 12:19:23 -0700 | [diff] [blame] | 8699 | dev_priv->display.update_plane = i9xx_update_plane; |
Eric Anholt | f564048e | 2011-03-30 13:01:02 -0700 | [diff] [blame] | 8700 | } |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 8701 | |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 8702 | /* Returns the core display clock speed */ |
Jesse Barnes | 25eb05fc | 2012-03-28 13:39:23 -0700 | [diff] [blame] | 8703 | if (IS_VALLEYVIEW(dev)) |
| 8704 | dev_priv->display.get_display_clock_speed = |
| 8705 | valleyview_get_display_clock_speed; |
| 8706 | else if (IS_I945G(dev) || (IS_G33(dev) && !IS_PINEVIEW_M(dev))) |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 8707 | dev_priv->display.get_display_clock_speed = |
| 8708 | i945_get_display_clock_speed; |
| 8709 | else if (IS_I915G(dev)) |
| 8710 | dev_priv->display.get_display_clock_speed = |
| 8711 | i915_get_display_clock_speed; |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 8712 | else if (IS_I945GM(dev) || IS_845G(dev) || IS_PINEVIEW_M(dev)) |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 8713 | dev_priv->display.get_display_clock_speed = |
| 8714 | i9xx_misc_get_display_clock_speed; |
| 8715 | else if (IS_I915GM(dev)) |
| 8716 | dev_priv->display.get_display_clock_speed = |
| 8717 | i915gm_get_display_clock_speed; |
| 8718 | else if (IS_I865G(dev)) |
| 8719 | dev_priv->display.get_display_clock_speed = |
| 8720 | i865_get_display_clock_speed; |
Daniel Vetter | f0f8a9c | 2009-09-15 22:57:33 +0200 | [diff] [blame] | 8721 | else if (IS_I85X(dev)) |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 8722 | dev_priv->display.get_display_clock_speed = |
| 8723 | i855_get_display_clock_speed; |
| 8724 | else /* 852, 830 */ |
| 8725 | dev_priv->display.get_display_clock_speed = |
| 8726 | i830_get_display_clock_speed; |
| 8727 | |
Zhenyu Wang | 7f8a856 | 2010-04-01 13:07:53 +0800 | [diff] [blame] | 8728 | if (HAS_PCH_SPLIT(dev)) { |
Chris Wilson | f00a3dd | 2010-10-21 14:57:17 +0100 | [diff] [blame] | 8729 | if (IS_GEN5(dev)) { |
Jesse Barnes | 674cf96 | 2011-04-28 14:27:04 -0700 | [diff] [blame] | 8730 | dev_priv->display.fdi_link_train = ironlake_fdi_link_train; |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 8731 | dev_priv->display.write_eld = ironlake_write_eld; |
Yuanhan Liu | 1398261 | 2010-12-15 15:42:31 +0800 | [diff] [blame] | 8732 | } else if (IS_GEN6(dev)) { |
Jesse Barnes | 674cf96 | 2011-04-28 14:27:04 -0700 | [diff] [blame] | 8733 | dev_priv->display.fdi_link_train = gen6_fdi_link_train; |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 8734 | dev_priv->display.write_eld = ironlake_write_eld; |
Jesse Barnes | 357555c | 2011-04-28 15:09:55 -0700 | [diff] [blame] | 8735 | } else if (IS_IVYBRIDGE(dev)) { |
| 8736 | /* FIXME: detect B0+ stepping and use auto training */ |
| 8737 | dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 8738 | dev_priv->display.write_eld = ironlake_write_eld; |
Daniel Vetter | 01a415f | 2012-10-27 15:58:40 +0200 | [diff] [blame] | 8739 | dev_priv->display.modeset_global_resources = |
| 8740 | ivb_modeset_global_resources; |
Eugeni Dodonov | c82e4d2 | 2012-05-09 15:37:21 -0300 | [diff] [blame] | 8741 | } else if (IS_HASWELL(dev)) { |
| 8742 | dev_priv->display.fdi_link_train = hsw_fdi_link_train; |
Wang Xingchao | 83358c85 | 2012-08-16 22:43:37 +0800 | [diff] [blame] | 8743 | dev_priv->display.write_eld = haswell_write_eld; |
Zhenyu Wang | 7f8a856 | 2010-04-01 13:07:53 +0800 | [diff] [blame] | 8744 | } else |
| 8745 | dev_priv->display.update_wm = NULL; |
Jesse Barnes | 6067aae | 2011-04-28 15:04:31 -0700 | [diff] [blame] | 8746 | } else if (IS_G4X(dev)) { |
Wu Fengguang | e0dac65 | 2011-09-05 14:25:34 +0800 | [diff] [blame] | 8747 | dev_priv->display.write_eld = g4x_write_eld; |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 8748 | } |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 8749 | |
| 8750 | /* Default just returns -ENODEV to indicate unsupported */ |
| 8751 | dev_priv->display.queue_flip = intel_default_queue_flip; |
| 8752 | |
| 8753 | switch (INTEL_INFO(dev)->gen) { |
| 8754 | case 2: |
| 8755 | dev_priv->display.queue_flip = intel_gen2_queue_flip; |
| 8756 | break; |
| 8757 | |
| 8758 | case 3: |
| 8759 | dev_priv->display.queue_flip = intel_gen3_queue_flip; |
| 8760 | break; |
| 8761 | |
| 8762 | case 4: |
| 8763 | case 5: |
| 8764 | dev_priv->display.queue_flip = intel_gen4_queue_flip; |
| 8765 | break; |
| 8766 | |
| 8767 | case 6: |
| 8768 | dev_priv->display.queue_flip = intel_gen6_queue_flip; |
| 8769 | break; |
Jesse Barnes | 7c9017e | 2011-06-16 12:18:54 -0700 | [diff] [blame] | 8770 | case 7: |
| 8771 | dev_priv->display.queue_flip = intel_gen7_queue_flip; |
| 8772 | break; |
Jesse Barnes | 8c9f3aa | 2011-06-16 09:19:13 -0700 | [diff] [blame] | 8773 | } |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 8774 | } |
| 8775 | |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8776 | /* |
| 8777 | * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, |
| 8778 | * resume, or other times. This quirk makes sure that's the case for |
| 8779 | * affected systems. |
| 8780 | */ |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 8781 | static void quirk_pipea_force(struct drm_device *dev) |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8782 | { |
| 8783 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 8784 | |
| 8785 | dev_priv->quirks |= QUIRK_PIPEA_FORCE; |
Daniel Vetter | bc0daf4 | 2012-04-01 13:16:49 +0200 | [diff] [blame] | 8786 | DRM_INFO("applying pipe a force quirk\n"); |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8787 | } |
| 8788 | |
Keith Packard | 435793d | 2011-07-12 14:56:22 -0700 | [diff] [blame] | 8789 | /* |
| 8790 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason |
| 8791 | */ |
| 8792 | static void quirk_ssc_force_disable(struct drm_device *dev) |
| 8793 | { |
| 8794 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 8795 | dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; |
Daniel Vetter | bc0daf4 | 2012-04-01 13:16:49 +0200 | [diff] [blame] | 8796 | DRM_INFO("applying lvds SSC disable quirk\n"); |
Keith Packard | 435793d | 2011-07-12 14:56:22 -0700 | [diff] [blame] | 8797 | } |
| 8798 | |
Carsten Emde | 4dca20e | 2012-03-15 15:56:26 +0100 | [diff] [blame] | 8799 | /* |
Carsten Emde | 5a15ab5 | 2012-03-15 15:56:27 +0100 | [diff] [blame] | 8800 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
| 8801 | * brightness value |
Carsten Emde | 4dca20e | 2012-03-15 15:56:26 +0100 | [diff] [blame] | 8802 | */ |
| 8803 | static void quirk_invert_brightness(struct drm_device *dev) |
| 8804 | { |
| 8805 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 8806 | dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; |
Daniel Vetter | bc0daf4 | 2012-04-01 13:16:49 +0200 | [diff] [blame] | 8807 | DRM_INFO("applying inverted panel brightness quirk\n"); |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8808 | } |
| 8809 | |
| 8810 | struct intel_quirk { |
| 8811 | int device; |
| 8812 | int subsystem_vendor; |
| 8813 | int subsystem_device; |
| 8814 | void (*hook)(struct drm_device *dev); |
| 8815 | }; |
| 8816 | |
Egbert Eich | 5f85f176 | 2012-10-14 15:46:38 +0200 | [diff] [blame] | 8817 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
| 8818 | struct intel_dmi_quirk { |
| 8819 | void (*hook)(struct drm_device *dev); |
| 8820 | const struct dmi_system_id (*dmi_id_list)[]; |
| 8821 | }; |
| 8822 | |
| 8823 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) |
| 8824 | { |
| 8825 | DRM_INFO("Backlight polarity reversed on %s\n", id->ident); |
| 8826 | return 1; |
| 8827 | } |
| 8828 | |
| 8829 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { |
| 8830 | { |
| 8831 | .dmi_id_list = &(const struct dmi_system_id[]) { |
| 8832 | { |
| 8833 | .callback = intel_dmi_reverse_brightness, |
| 8834 | .ident = "NCR Corporation", |
| 8835 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), |
| 8836 | DMI_MATCH(DMI_PRODUCT_NAME, ""), |
| 8837 | }, |
| 8838 | }, |
| 8839 | { } /* terminating entry */ |
| 8840 | }, |
| 8841 | .hook = quirk_invert_brightness, |
| 8842 | }, |
| 8843 | }; |
| 8844 | |
Ben Widawsky | c43b563 | 2012-04-16 14:07:40 -0700 | [diff] [blame] | 8845 | static struct intel_quirk intel_quirks[] = { |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8846 | /* HP Mini needs pipe A force quirk (LP: #322104) */ |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 8847 | { 0x27ae, 0x103c, 0x361a, quirk_pipea_force }, |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8848 | |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8849 | /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ |
| 8850 | { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, |
| 8851 | |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8852 | /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ |
| 8853 | { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, |
| 8854 | |
Daniel Vetter | ccd0d36 | 2012-10-10 23:13:59 +0200 | [diff] [blame] | 8855 | /* 830/845 need to leave pipe A & dpll A up */ |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8856 | { 0x2562, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, |
Daniel Vetter | dcdaed6 | 2012-08-12 21:19:34 +0200 | [diff] [blame] | 8857 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, |
Keith Packard | 435793d | 2011-07-12 14:56:22 -0700 | [diff] [blame] | 8858 | |
| 8859 | /* Lenovo U160 cannot use SSC on LVDS */ |
| 8860 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, |
Michel Alexandre Salim | 070d329 | 2011-07-28 18:52:06 +0200 | [diff] [blame] | 8861 | |
| 8862 | /* Sony Vaio Y cannot use SSC on LVDS */ |
| 8863 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, |
Carsten Emde | 5a15ab5 | 2012-03-15 15:56:27 +0100 | [diff] [blame] | 8864 | |
| 8865 | /* Acer Aspire 5734Z must invert backlight brightness */ |
| 8866 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8867 | }; |
| 8868 | |
| 8869 | static void intel_init_quirks(struct drm_device *dev) |
| 8870 | { |
| 8871 | struct pci_dev *d = dev->pdev; |
| 8872 | int i; |
| 8873 | |
| 8874 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { |
| 8875 | struct intel_quirk *q = &intel_quirks[i]; |
| 8876 | |
| 8877 | if (d->device == q->device && |
| 8878 | (d->subsystem_vendor == q->subsystem_vendor || |
| 8879 | q->subsystem_vendor == PCI_ANY_ID) && |
| 8880 | (d->subsystem_device == q->subsystem_device || |
| 8881 | q->subsystem_device == PCI_ANY_ID)) |
| 8882 | q->hook(dev); |
| 8883 | } |
Egbert Eich | 5f85f176 | 2012-10-14 15:46:38 +0200 | [diff] [blame] | 8884 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
| 8885 | if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) |
| 8886 | intel_dmi_quirks[i].hook(dev); |
| 8887 | } |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8888 | } |
| 8889 | |
Jesse Barnes | 9cce37f | 2010-08-13 15:11:26 -0700 | [diff] [blame] | 8890 | /* Disable the VGA plane that we never use */ |
| 8891 | static void i915_disable_vga(struct drm_device *dev) |
| 8892 | { |
| 8893 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 8894 | u8 sr1; |
| 8895 | u32 vga_reg; |
| 8896 | |
| 8897 | if (HAS_PCH_SPLIT(dev)) |
| 8898 | vga_reg = CPU_VGACNTRL; |
| 8899 | else |
| 8900 | vga_reg = VGACNTRL; |
| 8901 | |
| 8902 | vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); |
Jesse Barnes | 3fdcf43 | 2012-04-06 11:46:27 -0700 | [diff] [blame] | 8903 | outb(SR01, VGA_SR_INDEX); |
Jesse Barnes | 9cce37f | 2010-08-13 15:11:26 -0700 | [diff] [blame] | 8904 | sr1 = inb(VGA_SR_DATA); |
| 8905 | outb(sr1 | 1<<5, VGA_SR_DATA); |
| 8906 | vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); |
| 8907 | udelay(300); |
| 8908 | |
| 8909 | I915_WRITE(vga_reg, VGA_DISP_DISABLE); |
| 8910 | POSTING_READ(vga_reg); |
| 8911 | } |
| 8912 | |
Daniel Vetter | f817586 | 2012-04-10 15:50:11 +0200 | [diff] [blame] | 8913 | void intel_modeset_init_hw(struct drm_device *dev) |
| 8914 | { |
Eugeni Dodonov | 0232e92 | 2012-07-06 15:42:36 -0300 | [diff] [blame] | 8915 | /* We attempt to init the necessary power wells early in the initialization |
| 8916 | * time, so the subsystems that expect power to be enabled can work. |
| 8917 | */ |
| 8918 | intel_init_power_wells(dev); |
| 8919 | |
Eugeni Dodonov | a8f78b5 | 2012-06-28 15:55:35 -0300 | [diff] [blame] | 8920 | intel_prepare_ddi(dev); |
| 8921 | |
Daniel Vetter | f817586 | 2012-04-10 15:50:11 +0200 | [diff] [blame] | 8922 | intel_init_clock_gating(dev); |
| 8923 | |
Daniel Vetter | 79f5b2c | 2012-06-24 16:42:33 +0200 | [diff] [blame] | 8924 | mutex_lock(&dev->struct_mutex); |
Daniel Vetter | 8090c6b | 2012-06-24 16:42:32 +0200 | [diff] [blame] | 8925 | intel_enable_gt_powersave(dev); |
Daniel Vetter | 79f5b2c | 2012-06-24 16:42:33 +0200 | [diff] [blame] | 8926 | mutex_unlock(&dev->struct_mutex); |
Daniel Vetter | f817586 | 2012-04-10 15:50:11 +0200 | [diff] [blame] | 8927 | } |
| 8928 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8929 | void intel_modeset_init(struct drm_device *dev) |
| 8930 | { |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 8931 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | b840d907f | 2011-12-13 13:19:38 -0800 | [diff] [blame] | 8932 | int i, ret; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8933 | |
| 8934 | drm_mode_config_init(dev); |
| 8935 | |
| 8936 | dev->mode_config.min_width = 0; |
| 8937 | dev->mode_config.min_height = 0; |
| 8938 | |
Dave Airlie | 019d96c | 2011-09-29 16:20:42 +0100 | [diff] [blame] | 8939 | dev->mode_config.preferred_depth = 24; |
| 8940 | dev->mode_config.prefer_shadow = 1; |
| 8941 | |
Laurent Pinchart | e6ecefa | 2012-05-17 13:27:23 +0200 | [diff] [blame] | 8942 | dev->mode_config.funcs = &intel_mode_funcs; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8943 | |
Jesse Barnes | b690e96 | 2010-07-19 13:53:12 -0700 | [diff] [blame] | 8944 | intel_init_quirks(dev); |
| 8945 | |
Eugeni Dodonov | 1fa6110 | 2012-04-18 15:29:26 -0300 | [diff] [blame] | 8946 | intel_init_pm(dev); |
| 8947 | |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 8948 | intel_init_display(dev); |
| 8949 | |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 8950 | if (IS_GEN2(dev)) { |
| 8951 | dev->mode_config.max_width = 2048; |
| 8952 | dev->mode_config.max_height = 2048; |
| 8953 | } else if (IS_GEN3(dev)) { |
Keith Packard | 5e4d6fa | 2009-07-12 23:53:17 -0700 | [diff] [blame] | 8954 | dev->mode_config.max_width = 4096; |
| 8955 | dev->mode_config.max_height = 4096; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8956 | } else { |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 8957 | dev->mode_config.max_width = 8192; |
| 8958 | dev->mode_config.max_height = 8192; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8959 | } |
Daniel Vetter | dd2757f | 2012-06-07 15:55:57 +0200 | [diff] [blame] | 8960 | dev->mode_config.fb_base = dev_priv->mm.gtt_base_addr; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8961 | |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 8962 | DRM_DEBUG_KMS("%d display pipe%s available.\n", |
Dave Airlie | a3524f1 | 2010-06-06 18:59:41 +1000 | [diff] [blame] | 8963 | dev_priv->num_pipe, dev_priv->num_pipe > 1 ? "s" : ""); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8964 | |
Dave Airlie | a3524f1 | 2010-06-06 18:59:41 +1000 | [diff] [blame] | 8965 | for (i = 0; i < dev_priv->num_pipe; i++) { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8966 | intel_crtc_init(dev, i); |
Jesse Barnes | 00c2064b | 2012-01-13 15:48:39 -0800 | [diff] [blame] | 8967 | ret = intel_plane_init(dev, i); |
| 8968 | if (ret) |
| 8969 | DRM_DEBUG_KMS("plane %d init failed: %d\n", i, ret); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8970 | } |
| 8971 | |
Paulo Zanoni | 79f689a | 2012-10-05 12:05:52 -0300 | [diff] [blame] | 8972 | intel_cpu_pll_init(dev); |
Jesse Barnes | ee7b9f9 | 2012-04-20 17:11:53 +0100 | [diff] [blame] | 8973 | intel_pch_pll_init(dev); |
| 8974 | |
Jesse Barnes | 9cce37f | 2010-08-13 15:11:26 -0700 | [diff] [blame] | 8975 | /* Just disable it once at startup */ |
| 8976 | i915_disable_vga(dev); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 8977 | intel_setup_outputs(dev); |
Chris Wilson | 2c7111d | 2011-03-29 10:40:27 +0100 | [diff] [blame] | 8978 | } |
Jesse Barnes | d5bb081 | 2011-01-05 12:01:26 -0800 | [diff] [blame] | 8979 | |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 8980 | static void |
| 8981 | intel_connector_break_all_links(struct intel_connector *connector) |
| 8982 | { |
| 8983 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
| 8984 | connector->base.encoder = NULL; |
| 8985 | connector->encoder->connectors_active = false; |
| 8986 | connector->encoder->base.crtc = NULL; |
| 8987 | } |
| 8988 | |
Daniel Vetter | 7fad798 | 2012-07-04 17:51:47 +0200 | [diff] [blame] | 8989 | static void intel_enable_pipe_a(struct drm_device *dev) |
| 8990 | { |
| 8991 | struct intel_connector *connector; |
| 8992 | struct drm_connector *crt = NULL; |
| 8993 | struct intel_load_detect_pipe load_detect_temp; |
| 8994 | |
| 8995 | /* We can't just switch on the pipe A, we need to set things up with a |
| 8996 | * proper mode and output configuration. As a gross hack, enable pipe A |
| 8997 | * by enabling the load detect pipe once. */ |
| 8998 | list_for_each_entry(connector, |
| 8999 | &dev->mode_config.connector_list, |
| 9000 | base.head) { |
| 9001 | if (connector->encoder->type == INTEL_OUTPUT_ANALOG) { |
| 9002 | crt = &connector->base; |
| 9003 | break; |
| 9004 | } |
| 9005 | } |
| 9006 | |
| 9007 | if (!crt) |
| 9008 | return; |
| 9009 | |
| 9010 | if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp)) |
| 9011 | intel_release_load_detect_pipe(crt, &load_detect_temp); |
| 9012 | |
| 9013 | |
| 9014 | } |
| 9015 | |
Daniel Vetter | fa55583 | 2012-10-10 23:14:00 +0200 | [diff] [blame] | 9016 | static bool |
| 9017 | intel_check_plane_mapping(struct intel_crtc *crtc) |
| 9018 | { |
| 9019 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
| 9020 | u32 reg, val; |
| 9021 | |
| 9022 | if (dev_priv->num_pipe == 1) |
| 9023 | return true; |
| 9024 | |
| 9025 | reg = DSPCNTR(!crtc->plane); |
| 9026 | val = I915_READ(reg); |
| 9027 | |
| 9028 | if ((val & DISPLAY_PLANE_ENABLE) && |
| 9029 | (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe)) |
| 9030 | return false; |
| 9031 | |
| 9032 | return true; |
| 9033 | } |
| 9034 | |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9035 | static void intel_sanitize_crtc(struct intel_crtc *crtc) |
| 9036 | { |
| 9037 | struct drm_device *dev = crtc->base.dev; |
| 9038 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | fa55583 | 2012-10-10 23:14:00 +0200 | [diff] [blame] | 9039 | u32 reg; |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9040 | |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9041 | /* Clear any frame start delays used for debugging left by the BIOS */ |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 9042 | reg = PIPECONF(crtc->cpu_transcoder); |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9043 | I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); |
| 9044 | |
| 9045 | /* We need to sanitize the plane -> pipe mapping first because this will |
Daniel Vetter | fa55583 | 2012-10-10 23:14:00 +0200 | [diff] [blame] | 9046 | * disable the crtc (and hence change the state) if it is wrong. Note |
| 9047 | * that gen4+ has a fixed plane -> pipe mapping. */ |
| 9048 | if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) { |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9049 | struct intel_connector *connector; |
| 9050 | bool plane; |
| 9051 | |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9052 | DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n", |
| 9053 | crtc->base.base.id); |
| 9054 | |
| 9055 | /* Pipe has the wrong plane attached and the plane is active. |
| 9056 | * Temporarily change the plane mapping and disable everything |
| 9057 | * ... */ |
| 9058 | plane = crtc->plane; |
| 9059 | crtc->plane = !plane; |
| 9060 | dev_priv->display.crtc_disable(&crtc->base); |
| 9061 | crtc->plane = plane; |
| 9062 | |
| 9063 | /* ... and break all links. */ |
| 9064 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
| 9065 | base.head) { |
| 9066 | if (connector->encoder->base.crtc != &crtc->base) |
| 9067 | continue; |
| 9068 | |
| 9069 | intel_connector_break_all_links(connector); |
| 9070 | } |
| 9071 | |
| 9072 | WARN_ON(crtc->active); |
| 9073 | crtc->base.enabled = false; |
| 9074 | } |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9075 | |
Daniel Vetter | 7fad798 | 2012-07-04 17:51:47 +0200 | [diff] [blame] | 9076 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
| 9077 | crtc->pipe == PIPE_A && !crtc->active) { |
| 9078 | /* BIOS forgot to enable pipe A, this mostly happens after |
| 9079 | * resume. Force-enable the pipe to fix this, the update_dpms |
| 9080 | * call below we restore the pipe to the right state, but leave |
| 9081 | * the required bits on. */ |
| 9082 | intel_enable_pipe_a(dev); |
| 9083 | } |
| 9084 | |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9085 | /* Adjust the state of the output pipe according to whether we |
| 9086 | * have active connectors/encoders. */ |
| 9087 | intel_crtc_update_dpms(&crtc->base); |
| 9088 | |
| 9089 | if (crtc->active != crtc->base.enabled) { |
| 9090 | struct intel_encoder *encoder; |
| 9091 | |
| 9092 | /* This can happen either due to bugs in the get_hw_state |
| 9093 | * functions or because the pipe is force-enabled due to the |
| 9094 | * pipe A quirk. */ |
| 9095 | DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was %s, now %s\n", |
| 9096 | crtc->base.base.id, |
| 9097 | crtc->base.enabled ? "enabled" : "disabled", |
| 9098 | crtc->active ? "enabled" : "disabled"); |
| 9099 | |
| 9100 | crtc->base.enabled = crtc->active; |
| 9101 | |
| 9102 | /* Because we only establish the connector -> encoder -> |
| 9103 | * crtc links if something is active, this means the |
| 9104 | * crtc is now deactivated. Break the links. connector |
| 9105 | * -> encoder links are only establish when things are |
| 9106 | * actually up, hence no need to break them. */ |
| 9107 | WARN_ON(crtc->active); |
| 9108 | |
| 9109 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) { |
| 9110 | WARN_ON(encoder->connectors_active); |
| 9111 | encoder->base.crtc = NULL; |
| 9112 | } |
| 9113 | } |
| 9114 | } |
| 9115 | |
| 9116 | static void intel_sanitize_encoder(struct intel_encoder *encoder) |
| 9117 | { |
| 9118 | struct intel_connector *connector; |
| 9119 | struct drm_device *dev = encoder->base.dev; |
| 9120 | |
| 9121 | /* We need to check both for a crtc link (meaning that the |
| 9122 | * encoder is active and trying to read from a pipe) and the |
| 9123 | * pipe itself being active. */ |
| 9124 | bool has_active_crtc = encoder->base.crtc && |
| 9125 | to_intel_crtc(encoder->base.crtc)->active; |
| 9126 | |
| 9127 | if (encoder->connectors_active && !has_active_crtc) { |
| 9128 | DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", |
| 9129 | encoder->base.base.id, |
| 9130 | drm_get_encoder_name(&encoder->base)); |
| 9131 | |
| 9132 | /* Connector is active, but has no active pipe. This is |
| 9133 | * fallout from our resume register restoring. Disable |
| 9134 | * the encoder manually again. */ |
| 9135 | if (encoder->base.crtc) { |
| 9136 | DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", |
| 9137 | encoder->base.base.id, |
| 9138 | drm_get_encoder_name(&encoder->base)); |
| 9139 | encoder->disable(encoder); |
| 9140 | } |
| 9141 | |
| 9142 | /* Inconsistent output/port/pipe state happens presumably due to |
| 9143 | * a bug in one of the get_hw_state functions. Or someplace else |
| 9144 | * in our code, like the register restore mess on resume. Clamp |
| 9145 | * things to off as a safer default. */ |
| 9146 | list_for_each_entry(connector, |
| 9147 | &dev->mode_config.connector_list, |
| 9148 | base.head) { |
| 9149 | if (connector->encoder != encoder) |
| 9150 | continue; |
| 9151 | |
| 9152 | intel_connector_break_all_links(connector); |
| 9153 | } |
| 9154 | } |
| 9155 | /* Enabled encoders without active connectors will be fixed in |
| 9156 | * the crtc fixup. */ |
| 9157 | } |
| 9158 | |
| 9159 | /* Scan out the current hw modeset state, sanitizes it and maps it into the drm |
| 9160 | * and i915 state tracking structures. */ |
Daniel Vetter | 45e2b5f | 2012-11-23 18:16:34 +0100 | [diff] [blame] | 9161 | void intel_modeset_setup_hw_state(struct drm_device *dev, |
| 9162 | bool force_restore) |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9163 | { |
| 9164 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 9165 | enum pipe pipe; |
| 9166 | u32 tmp; |
| 9167 | struct intel_crtc *crtc; |
| 9168 | struct intel_encoder *encoder; |
| 9169 | struct intel_connector *connector; |
| 9170 | |
Paulo Zanoni | e28d54c | 2012-10-24 16:09:25 -0200 | [diff] [blame] | 9171 | if (IS_HASWELL(dev)) { |
| 9172 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); |
| 9173 | |
| 9174 | if (tmp & TRANS_DDI_FUNC_ENABLE) { |
| 9175 | switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { |
| 9176 | case TRANS_DDI_EDP_INPUT_A_ON: |
| 9177 | case TRANS_DDI_EDP_INPUT_A_ONOFF: |
| 9178 | pipe = PIPE_A; |
| 9179 | break; |
| 9180 | case TRANS_DDI_EDP_INPUT_B_ONOFF: |
| 9181 | pipe = PIPE_B; |
| 9182 | break; |
| 9183 | case TRANS_DDI_EDP_INPUT_C_ONOFF: |
| 9184 | pipe = PIPE_C; |
| 9185 | break; |
| 9186 | } |
| 9187 | |
| 9188 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
| 9189 | crtc->cpu_transcoder = TRANSCODER_EDP; |
| 9190 | |
| 9191 | DRM_DEBUG_KMS("Pipe %c using transcoder EDP\n", |
| 9192 | pipe_name(pipe)); |
| 9193 | } |
| 9194 | } |
| 9195 | |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9196 | for_each_pipe(pipe) { |
| 9197 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
| 9198 | |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 9199 | tmp = I915_READ(PIPECONF(crtc->cpu_transcoder)); |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9200 | if (tmp & PIPECONF_ENABLE) |
| 9201 | crtc->active = true; |
| 9202 | else |
| 9203 | crtc->active = false; |
| 9204 | |
| 9205 | crtc->base.enabled = crtc->active; |
| 9206 | |
| 9207 | DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n", |
| 9208 | crtc->base.base.id, |
| 9209 | crtc->active ? "enabled" : "disabled"); |
| 9210 | } |
| 9211 | |
Paulo Zanoni | 6441ab5 | 2012-10-05 12:05:58 -0300 | [diff] [blame] | 9212 | if (IS_HASWELL(dev)) |
| 9213 | intel_ddi_setup_hw_pll_state(dev); |
| 9214 | |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9215 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 9216 | base.head) { |
| 9217 | pipe = 0; |
| 9218 | |
| 9219 | if (encoder->get_hw_state(encoder, &pipe)) { |
| 9220 | encoder->base.crtc = |
| 9221 | dev_priv->pipe_to_crtc_mapping[pipe]; |
| 9222 | } else { |
| 9223 | encoder->base.crtc = NULL; |
| 9224 | } |
| 9225 | |
| 9226 | encoder->connectors_active = false; |
| 9227 | DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe=%i\n", |
| 9228 | encoder->base.base.id, |
| 9229 | drm_get_encoder_name(&encoder->base), |
| 9230 | encoder->base.crtc ? "enabled" : "disabled", |
| 9231 | pipe); |
| 9232 | } |
| 9233 | |
| 9234 | list_for_each_entry(connector, &dev->mode_config.connector_list, |
| 9235 | base.head) { |
| 9236 | if (connector->get_hw_state(connector)) { |
| 9237 | connector->base.dpms = DRM_MODE_DPMS_ON; |
| 9238 | connector->encoder->connectors_active = true; |
| 9239 | connector->base.encoder = &connector->encoder->base; |
| 9240 | } else { |
| 9241 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
| 9242 | connector->base.encoder = NULL; |
| 9243 | } |
| 9244 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] hw state readout: %s\n", |
| 9245 | connector->base.base.id, |
| 9246 | drm_get_connector_name(&connector->base), |
| 9247 | connector->base.encoder ? "enabled" : "disabled"); |
| 9248 | } |
| 9249 | |
| 9250 | /* HW state is read out, now we need to sanitize this mess. */ |
| 9251 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 9252 | base.head) { |
| 9253 | intel_sanitize_encoder(encoder); |
| 9254 | } |
| 9255 | |
| 9256 | for_each_pipe(pipe) { |
| 9257 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
| 9258 | intel_sanitize_crtc(crtc); |
| 9259 | } |
Daniel Vetter | 9a93585 | 2012-07-05 22:34:27 +0200 | [diff] [blame] | 9260 | |
Daniel Vetter | 45e2b5f | 2012-11-23 18:16:34 +0100 | [diff] [blame] | 9261 | if (force_restore) { |
| 9262 | for_each_pipe(pipe) { |
| 9263 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
| 9264 | intel_set_mode(&crtc->base, &crtc->base.mode, |
| 9265 | crtc->base.x, crtc->base.y, crtc->base.fb); |
| 9266 | } |
| 9267 | } else { |
| 9268 | intel_modeset_update_staged_output_state(dev); |
| 9269 | } |
Daniel Vetter | 8af6cf8 | 2012-07-10 09:50:11 +0200 | [diff] [blame] | 9270 | |
| 9271 | intel_modeset_check_state(dev); |
Daniel Vetter | 2e93889 | 2012-10-11 20:08:24 +0200 | [diff] [blame] | 9272 | |
| 9273 | drm_mode_config_reset(dev); |
Chris Wilson | 2c7111d | 2011-03-29 10:40:27 +0100 | [diff] [blame] | 9274 | } |
| 9275 | |
| 9276 | void intel_modeset_gem_init(struct drm_device *dev) |
| 9277 | { |
Chris Wilson | 1833b13 | 2012-05-09 11:56:28 +0100 | [diff] [blame] | 9278 | intel_modeset_init_hw(dev); |
Daniel Vetter | 02e792f | 2009-09-15 22:57:34 +0200 | [diff] [blame] | 9279 | |
| 9280 | intel_setup_overlay(dev); |
Daniel Vetter | 2492935 | 2012-07-02 20:28:59 +0200 | [diff] [blame] | 9281 | |
Daniel Vetter | 45e2b5f | 2012-11-23 18:16:34 +0100 | [diff] [blame] | 9282 | intel_modeset_setup_hw_state(dev, false); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 9283 | } |
| 9284 | |
| 9285 | void intel_modeset_cleanup(struct drm_device *dev) |
| 9286 | { |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 9287 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 9288 | struct drm_crtc *crtc; |
| 9289 | struct intel_crtc *intel_crtc; |
| 9290 | |
Keith Packard | f87ea76 | 2010-10-03 19:36:26 -0700 | [diff] [blame] | 9291 | drm_kms_helper_poll_fini(dev); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 9292 | mutex_lock(&dev->struct_mutex); |
| 9293 | |
Jesse Barnes | 723bfd7 | 2010-10-07 16:01:13 -0700 | [diff] [blame] | 9294 | intel_unregister_dsm_handler(); |
| 9295 | |
| 9296 | |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 9297 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 9298 | /* Skip inactive CRTCs */ |
| 9299 | if (!crtc->fb) |
| 9300 | continue; |
| 9301 | |
| 9302 | intel_crtc = to_intel_crtc(crtc); |
Daniel Vetter | 3dec009 | 2010-08-20 21:40:52 +0200 | [diff] [blame] | 9303 | intel_increase_pllclock(crtc); |
Jesse Barnes | 652c393 | 2009-08-17 13:31:43 -0700 | [diff] [blame] | 9304 | } |
| 9305 | |
Chris Wilson | 973d04f | 2011-07-08 12:22:37 +0100 | [diff] [blame] | 9306 | intel_disable_fbc(dev); |
Jesse Barnes | e70236a | 2009-09-21 10:42:27 -0700 | [diff] [blame] | 9307 | |
Daniel Vetter | 8090c6b | 2012-06-24 16:42:32 +0200 | [diff] [blame] | 9308 | intel_disable_gt_powersave(dev); |
Chris Wilson | 0cdab21 | 2010-12-05 17:27:06 +0000 | [diff] [blame] | 9309 | |
Daniel Vetter | 930ebb4 | 2012-06-29 23:32:16 +0200 | [diff] [blame] | 9310 | ironlake_teardown_rc6(dev); |
| 9311 | |
Jesse Barnes | 57f350b | 2012-03-28 13:39:25 -0700 | [diff] [blame] | 9312 | if (IS_VALLEYVIEW(dev)) |
| 9313 | vlv_init_dpio(dev); |
| 9314 | |
Kristian Høgsberg | 69341a5 | 2009-11-11 12:19:17 -0500 | [diff] [blame] | 9315 | mutex_unlock(&dev->struct_mutex); |
| 9316 | |
Daniel Vetter | 6c0d9350 | 2010-08-20 18:26:46 +0200 | [diff] [blame] | 9317 | /* Disable the irq before mode object teardown, for the irq might |
| 9318 | * enqueue unpin/hotplug work. */ |
| 9319 | drm_irq_uninstall(dev); |
| 9320 | cancel_work_sync(&dev_priv->hotplug_work); |
Daniel Vetter | c6a828d | 2012-08-08 23:35:35 +0200 | [diff] [blame] | 9321 | cancel_work_sync(&dev_priv->rps.work); |
Daniel Vetter | 6c0d9350 | 2010-08-20 18:26:46 +0200 | [diff] [blame] | 9322 | |
Chris Wilson | 1630fe7 | 2011-07-08 12:22:42 +0100 | [diff] [blame] | 9323 | /* flush any delayed tasks or pending work */ |
| 9324 | flush_scheduled_work(); |
| 9325 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 9326 | drm_mode_config_cleanup(dev); |
| 9327 | } |
| 9328 | |
Dave Airlie | 28d5204 | 2009-09-21 14:33:58 +1000 | [diff] [blame] | 9329 | /* |
Zhenyu Wang | f1c79df | 2010-03-30 14:39:29 +0800 | [diff] [blame] | 9330 | * Return which encoder is currently attached for connector. |
| 9331 | */ |
Chris Wilson | df0e924 | 2010-09-09 16:20:55 +0100 | [diff] [blame] | 9332 | struct drm_encoder *intel_best_encoder(struct drm_connector *connector) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 9333 | { |
Chris Wilson | df0e924 | 2010-09-09 16:20:55 +0100 | [diff] [blame] | 9334 | return &intel_attached_encoder(connector)->base; |
| 9335 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 9336 | |
Chris Wilson | df0e924 | 2010-09-09 16:20:55 +0100 | [diff] [blame] | 9337 | void intel_connector_attach_encoder(struct intel_connector *connector, |
| 9338 | struct intel_encoder *encoder) |
| 9339 | { |
| 9340 | connector->encoder = encoder; |
| 9341 | drm_mode_connector_attach_encoder(&connector->base, |
| 9342 | &encoder->base); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 9343 | } |
Dave Airlie | 28d5204 | 2009-09-21 14:33:58 +1000 | [diff] [blame] | 9344 | |
| 9345 | /* |
| 9346 | * set vga decode state - true == enable VGA decode |
| 9347 | */ |
| 9348 | int intel_modeset_vga_set_state(struct drm_device *dev, bool state) |
| 9349 | { |
| 9350 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 9351 | u16 gmch_ctrl; |
| 9352 | |
| 9353 | pci_read_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, &gmch_ctrl); |
| 9354 | if (state) |
| 9355 | gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; |
| 9356 | else |
| 9357 | gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; |
| 9358 | pci_write_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, gmch_ctrl); |
| 9359 | return 0; |
| 9360 | } |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9361 | |
| 9362 | #ifdef CONFIG_DEBUG_FS |
| 9363 | #include <linux/seq_file.h> |
| 9364 | |
| 9365 | struct intel_display_error_state { |
| 9366 | struct intel_cursor_error_state { |
| 9367 | u32 control; |
| 9368 | u32 position; |
| 9369 | u32 base; |
| 9370 | u32 size; |
Damien Lespiau | 5233130 | 2012-08-15 19:23:25 +0100 | [diff] [blame] | 9371 | } cursor[I915_MAX_PIPES]; |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9372 | |
| 9373 | struct intel_pipe_error_state { |
| 9374 | u32 conf; |
| 9375 | u32 source; |
| 9376 | |
| 9377 | u32 htotal; |
| 9378 | u32 hblank; |
| 9379 | u32 hsync; |
| 9380 | u32 vtotal; |
| 9381 | u32 vblank; |
| 9382 | u32 vsync; |
Damien Lespiau | 5233130 | 2012-08-15 19:23:25 +0100 | [diff] [blame] | 9383 | } pipe[I915_MAX_PIPES]; |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9384 | |
| 9385 | struct intel_plane_error_state { |
| 9386 | u32 control; |
| 9387 | u32 stride; |
| 9388 | u32 size; |
| 9389 | u32 pos; |
| 9390 | u32 addr; |
| 9391 | u32 surface; |
| 9392 | u32 tile_offset; |
Damien Lespiau | 5233130 | 2012-08-15 19:23:25 +0100 | [diff] [blame] | 9393 | } plane[I915_MAX_PIPES]; |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9394 | }; |
| 9395 | |
| 9396 | struct intel_display_error_state * |
| 9397 | intel_display_capture_error_state(struct drm_device *dev) |
| 9398 | { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 9399 | drm_i915_private_t *dev_priv = dev->dev_private; |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9400 | struct intel_display_error_state *error; |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 9401 | enum transcoder cpu_transcoder; |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9402 | int i; |
| 9403 | |
| 9404 | error = kmalloc(sizeof(*error), GFP_ATOMIC); |
| 9405 | if (error == NULL) |
| 9406 | return NULL; |
| 9407 | |
Damien Lespiau | 5233130 | 2012-08-15 19:23:25 +0100 | [diff] [blame] | 9408 | for_each_pipe(i) { |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 9409 | cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, i); |
| 9410 | |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9411 | error->cursor[i].control = I915_READ(CURCNTR(i)); |
| 9412 | error->cursor[i].position = I915_READ(CURPOS(i)); |
| 9413 | error->cursor[i].base = I915_READ(CURBASE(i)); |
| 9414 | |
| 9415 | error->plane[i].control = I915_READ(DSPCNTR(i)); |
| 9416 | error->plane[i].stride = I915_READ(DSPSTRIDE(i)); |
| 9417 | error->plane[i].size = I915_READ(DSPSIZE(i)); |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 9418 | error->plane[i].pos = I915_READ(DSPPOS(i)); |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9419 | error->plane[i].addr = I915_READ(DSPADDR(i)); |
| 9420 | if (INTEL_INFO(dev)->gen >= 4) { |
| 9421 | error->plane[i].surface = I915_READ(DSPSURF(i)); |
| 9422 | error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); |
| 9423 | } |
| 9424 | |
Paulo Zanoni | 702e7a5 | 2012-10-23 18:29:59 -0200 | [diff] [blame] | 9425 | error->pipe[i].conf = I915_READ(PIPECONF(cpu_transcoder)); |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9426 | error->pipe[i].source = I915_READ(PIPESRC(i)); |
Paulo Zanoni | fe2b8f9 | 2012-10-23 18:30:02 -0200 | [diff] [blame] | 9427 | error->pipe[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); |
| 9428 | error->pipe[i].hblank = I915_READ(HBLANK(cpu_transcoder)); |
| 9429 | error->pipe[i].hsync = I915_READ(HSYNC(cpu_transcoder)); |
| 9430 | error->pipe[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); |
| 9431 | error->pipe[i].vblank = I915_READ(VBLANK(cpu_transcoder)); |
| 9432 | error->pipe[i].vsync = I915_READ(VSYNC(cpu_transcoder)); |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9433 | } |
| 9434 | |
| 9435 | return error; |
| 9436 | } |
| 9437 | |
| 9438 | void |
| 9439 | intel_display_print_error_state(struct seq_file *m, |
| 9440 | struct drm_device *dev, |
| 9441 | struct intel_display_error_state *error) |
| 9442 | { |
Damien Lespiau | 5233130 | 2012-08-15 19:23:25 +0100 | [diff] [blame] | 9443 | drm_i915_private_t *dev_priv = dev->dev_private; |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9444 | int i; |
| 9445 | |
Damien Lespiau | 5233130 | 2012-08-15 19:23:25 +0100 | [diff] [blame] | 9446 | seq_printf(m, "Num Pipes: %d\n", dev_priv->num_pipe); |
| 9447 | for_each_pipe(i) { |
Chris Wilson | c4a1d9e | 2010-11-21 13:12:35 +0000 | [diff] [blame] | 9448 | seq_printf(m, "Pipe [%d]:\n", i); |
| 9449 | seq_printf(m, " CONF: %08x\n", error->pipe[i].conf); |
| 9450 | seq_printf(m, " SRC: %08x\n", error->pipe[i].source); |
| 9451 | seq_printf(m, " HTOTAL: %08x\n", error->pipe[i].htotal); |
| 9452 | seq_printf(m, " HBLANK: %08x\n", error->pipe[i].hblank); |
| 9453 | seq_printf(m, " HSYNC: %08x\n", error->pipe[i].hsync); |
| 9454 | seq_printf(m, " VTOTAL: %08x\n", error->pipe[i].vtotal); |
| 9455 | seq_printf(m, " VBLANK: %08x\n", error->pipe[i].vblank); |
| 9456 | seq_printf(m, " VSYNC: %08x\n", error->pipe[i].vsync); |
| 9457 | |
| 9458 | seq_printf(m, "Plane [%d]:\n", i); |
| 9459 | seq_printf(m, " CNTR: %08x\n", error->plane[i].control); |
| 9460 | seq_printf(m, " STRIDE: %08x\n", error->plane[i].stride); |
| 9461 | seq_printf(m, " SIZE: %08x\n", error->plane[i].size); |
| 9462 | seq_printf(m, " POS: %08x\n", error->plane[i].pos); |
| 9463 | seq_printf(m, " ADDR: %08x\n", error->plane[i].addr); |
| 9464 | if (INTEL_INFO(dev)->gen >= 4) { |
| 9465 | seq_printf(m, " SURF: %08x\n", error->plane[i].surface); |
| 9466 | seq_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset); |
| 9467 | } |
| 9468 | |
| 9469 | seq_printf(m, "Cursor [%d]:\n", i); |
| 9470 | seq_printf(m, " CNTR: %08x\n", error->cursor[i].control); |
| 9471 | seq_printf(m, " POS: %08x\n", error->cursor[i].position); |
| 9472 | seq_printf(m, " BASE: %08x\n", error->cursor[i].base); |
| 9473 | } |
| 9474 | } |
| 9475 | #endif |