Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2006-2007 Intel Corporation |
| 3 | * Copyright (c) 2006 Dave Airlie <airlied@linux.ie> |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 6 | * copy of this software and associated documentation files (the "Software"), |
| 7 | * to deal in the Software without restriction, including without limitation |
| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
| 10 | * Software is furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice (including the next |
| 13 | * paragraph) shall be included in all copies or substantial portions of the |
| 14 | * Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 22 | * DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | * Authors: |
| 25 | * Eric Anholt <eric@anholt.net> |
| 26 | * Dave Airlie <airlied@linux.ie> |
| 27 | * Jesse Barnes <jesse.barnes@intel.com> |
| 28 | */ |
| 29 | |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 30 | #include <acpi/button.h> |
Paul Collins | 565dcd4 | 2009-02-04 23:05:41 +1300 | [diff] [blame] | 31 | #include <linux/dmi.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 32 | #include <linux/i2c.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 33 | #include <linux/slab.h> |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 34 | #include <drm/drmP.h> |
Matt Roper | c6f95f2 | 2015-01-22 16:50:32 -0800 | [diff] [blame] | 35 | #include <drm/drm_atomic_helper.h> |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 36 | #include <drm/drm_crtc.h> |
| 37 | #include <drm/drm_edid.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 38 | #include "intel_drv.h" |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 39 | #include <drm/i915_drm.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 40 | #include "i915_drv.h" |
Zhao Yakui | e99da35 | 2009-06-26 09:46:18 +0800 | [diff] [blame] | 41 | #include <linux/acpi.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 42 | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 43 | /* Private structure for the integrated LVDS support */ |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 44 | struct intel_lvds_connector { |
| 45 | struct intel_connector base; |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 46 | |
| 47 | struct notifier_block lid_notifier; |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 48 | }; |
| 49 | |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 50 | struct intel_lvds_encoder { |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 51 | struct intel_encoder base; |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 52 | |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 53 | bool is_dual_link; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 54 | u32 reg; |
Paulo Zanoni | 1f835a7 | 2014-07-04 13:38:36 -0300 | [diff] [blame] | 55 | u32 a3_power; |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 56 | |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 57 | struct intel_lvds_connector *attached_connector; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 58 | }; |
| 59 | |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 60 | static struct intel_lvds_encoder *to_lvds_encoder(struct drm_encoder *encoder) |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 61 | { |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 62 | return container_of(encoder, struct intel_lvds_encoder, base.base); |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 63 | } |
| 64 | |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 65 | static struct intel_lvds_connector *to_lvds_connector(struct drm_connector *connector) |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 66 | { |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 67 | return container_of(connector, struct intel_lvds_connector, base.base); |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 68 | } |
| 69 | |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 70 | static bool intel_lvds_get_hw_state(struct intel_encoder *encoder, |
| 71 | enum pipe *pipe) |
| 72 | { |
| 73 | struct drm_device *dev = encoder->base.dev; |
| 74 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 75 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
Paulo Zanoni | 34a6c70 | 2014-07-04 13:38:35 -0300 | [diff] [blame] | 76 | enum intel_display_power_domain power_domain; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 77 | u32 tmp; |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 78 | |
Paulo Zanoni | 34a6c70 | 2014-07-04 13:38:35 -0300 | [diff] [blame] | 79 | power_domain = intel_display_port_power_domain(encoder); |
Daniel Vetter | f458ebb | 2014-09-30 10:56:39 +0200 | [diff] [blame] | 80 | if (!intel_display_power_is_enabled(dev_priv, power_domain)) |
Paulo Zanoni | 34a6c70 | 2014-07-04 13:38:35 -0300 | [diff] [blame] | 81 | return false; |
| 82 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 83 | tmp = I915_READ(lvds_encoder->reg); |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 84 | |
| 85 | if (!(tmp & LVDS_PORT_EN)) |
| 86 | return false; |
| 87 | |
| 88 | if (HAS_PCH_CPT(dev)) |
| 89 | *pipe = PORT_TO_PIPE_CPT(tmp); |
| 90 | else |
| 91 | *pipe = PORT_TO_PIPE(tmp); |
| 92 | |
| 93 | return true; |
| 94 | } |
| 95 | |
Jesse Barnes | 045ac3b | 2013-05-14 17:08:26 -0700 | [diff] [blame] | 96 | static void intel_lvds_get_config(struct intel_encoder *encoder, |
Ander Conselvan de Oliveira | 5cec258 | 2015-01-15 14:55:21 +0200 | [diff] [blame] | 97 | struct intel_crtc_state *pipe_config) |
Jesse Barnes | 045ac3b | 2013-05-14 17:08:26 -0700 | [diff] [blame] | 98 | { |
| 99 | struct drm_device *dev = encoder->base.dev; |
| 100 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 101 | u32 lvds_reg, tmp, flags = 0; |
Ville Syrjälä | 18442d0 | 2013-09-13 16:00:08 +0300 | [diff] [blame] | 102 | int dotclock; |
Jesse Barnes | 045ac3b | 2013-05-14 17:08:26 -0700 | [diff] [blame] | 103 | |
| 104 | if (HAS_PCH_SPLIT(dev)) |
| 105 | lvds_reg = PCH_LVDS; |
| 106 | else |
| 107 | lvds_reg = LVDS; |
| 108 | |
| 109 | tmp = I915_READ(lvds_reg); |
| 110 | if (tmp & LVDS_HSYNC_POLARITY) |
| 111 | flags |= DRM_MODE_FLAG_NHSYNC; |
| 112 | else |
| 113 | flags |= DRM_MODE_FLAG_PHSYNC; |
| 114 | if (tmp & LVDS_VSYNC_POLARITY) |
| 115 | flags |= DRM_MODE_FLAG_NVSYNC; |
| 116 | else |
| 117 | flags |= DRM_MODE_FLAG_PVSYNC; |
| 118 | |
Ander Conselvan de Oliveira | 2d112de | 2015-01-15 14:55:22 +0200 | [diff] [blame] | 119 | pipe_config->base.adjusted_mode.flags |= flags; |
Daniel Vetter | 0692282 | 2013-07-11 13:35:40 +0200 | [diff] [blame] | 120 | |
Daniel Vetter | 6b89cdd | 2014-07-09 22:35:53 +0200 | [diff] [blame] | 121 | /* gen2/3 store dither state in pfit control, needs to match */ |
| 122 | if (INTEL_INFO(dev)->gen < 4) { |
| 123 | tmp = I915_READ(PFIT_CONTROL); |
| 124 | |
| 125 | pipe_config->gmch_pfit.control |= tmp & PANEL_8TO6_DITHER_ENABLE; |
| 126 | } |
| 127 | |
Ville Syrjälä | 18442d0 | 2013-09-13 16:00:08 +0300 | [diff] [blame] | 128 | dotclock = pipe_config->port_clock; |
| 129 | |
| 130 | if (HAS_PCH_SPLIT(dev_priv->dev)) |
| 131 | ironlake_check_encoder_dotclock(pipe_config, dotclock); |
| 132 | |
Ander Conselvan de Oliveira | 2d112de | 2015-01-15 14:55:22 +0200 | [diff] [blame] | 133 | pipe_config->base.adjusted_mode.crtc_clock = dotclock; |
Jesse Barnes | 045ac3b | 2013-05-14 17:08:26 -0700 | [diff] [blame] | 134 | } |
| 135 | |
Daniel Vetter | f6736a1 | 2013-06-05 13:34:30 +0200 | [diff] [blame] | 136 | static void intel_pre_enable_lvds(struct intel_encoder *encoder) |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 137 | { |
| 138 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
| 139 | struct drm_device *dev = encoder->base.dev; |
| 140 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 55607e8 | 2013-06-16 21:42:39 +0200 | [diff] [blame] | 141 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); |
Ville Syrjälä | 124abe0 | 2015-09-08 13:40:45 +0300 | [diff] [blame] | 142 | const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode; |
Daniel Vetter | 55607e8 | 2013-06-16 21:42:39 +0200 | [diff] [blame] | 143 | int pipe = crtc->pipe; |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 144 | u32 temp; |
| 145 | |
Daniel Vetter | 55607e8 | 2013-06-16 21:42:39 +0200 | [diff] [blame] | 146 | if (HAS_PCH_SPLIT(dev)) { |
| 147 | assert_fdi_rx_pll_disabled(dev_priv, pipe); |
| 148 | assert_shared_dpll_disabled(dev_priv, |
| 149 | intel_crtc_to_shared_dpll(crtc)); |
| 150 | } else { |
| 151 | assert_pll_disabled(dev_priv, pipe); |
| 152 | } |
| 153 | |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 154 | temp = I915_READ(lvds_encoder->reg); |
| 155 | temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP; |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 156 | |
| 157 | if (HAS_PCH_CPT(dev)) { |
| 158 | temp &= ~PORT_TRANS_SEL_MASK; |
| 159 | temp |= PORT_TRANS_SEL_CPT(pipe); |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 160 | } else { |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 161 | if (pipe == 1) { |
| 162 | temp |= LVDS_PIPEB_SELECT; |
| 163 | } else { |
| 164 | temp &= ~LVDS_PIPEB_SELECT; |
| 165 | } |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 166 | } |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 167 | |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 168 | /* set the corresponsding LVDS_BORDER bit */ |
Daniel Vetter | 2fa2fe9 | 2013-05-07 23:34:16 +0200 | [diff] [blame] | 169 | temp &= ~LVDS_BORDER_ENABLE; |
Ander Conselvan de Oliveira | 6e3c971 | 2015-01-15 14:55:25 +0200 | [diff] [blame] | 170 | temp |= crtc->config->gmch_pfit.lvds_border_bits; |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 171 | /* Set the B0-B3 data pairs corresponding to whether we're going to |
| 172 | * set the DPLLs for dual-channel mode or not. |
| 173 | */ |
| 174 | if (lvds_encoder->is_dual_link) |
| 175 | temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; |
| 176 | else |
| 177 | temp &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP); |
| 178 | |
| 179 | /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP) |
| 180 | * appropriately here, but we need to look more thoroughly into how |
Paulo Zanoni | 1f835a7 | 2014-07-04 13:38:36 -0300 | [diff] [blame] | 181 | * panels behave in the two modes. For now, let's just maintain the |
| 182 | * value we got from the BIOS. |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 183 | */ |
Paulo Zanoni | 1f835a7 | 2014-07-04 13:38:36 -0300 | [diff] [blame] | 184 | temp &= ~LVDS_A3_POWER_MASK; |
| 185 | temp |= lvds_encoder->a3_power; |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 186 | |
| 187 | /* Set the dithering flag on LVDS as needed, note that there is no |
| 188 | * special lvds dither control bit on pch-split platforms, dithering is |
| 189 | * only controlled through the PIPECONF reg. */ |
| 190 | if (INTEL_INFO(dev)->gen == 4) { |
Daniel Vetter | d8b3224 | 2013-04-25 17:54:44 +0200 | [diff] [blame] | 191 | /* Bspec wording suggests that LVDS port dithering only exists |
| 192 | * for 18bpp panels. */ |
Ander Conselvan de Oliveira | 6e3c971 | 2015-01-15 14:55:25 +0200 | [diff] [blame] | 193 | if (crtc->config->dither && crtc->config->pipe_bpp == 18) |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 194 | temp |= LVDS_ENABLE_DITHER; |
| 195 | else |
| 196 | temp &= ~LVDS_ENABLE_DITHER; |
| 197 | } |
| 198 | temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY); |
Ville Syrjälä | 4c6df4b | 2013-09-02 21:13:39 +0300 | [diff] [blame] | 199 | if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 200 | temp |= LVDS_HSYNC_POLARITY; |
Ville Syrjälä | 4c6df4b | 2013-09-02 21:13:39 +0300 | [diff] [blame] | 201 | if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 202 | temp |= LVDS_VSYNC_POLARITY; |
| 203 | |
| 204 | I915_WRITE(lvds_encoder->reg, temp); |
| 205 | } |
| 206 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 207 | /** |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 208 | * Sets the power state for the panel. |
| 209 | */ |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 210 | static void intel_enable_lvds(struct intel_encoder *encoder) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 211 | { |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 212 | struct drm_device *dev = encoder->base.dev; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 213 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
Jesse Barnes | 752aa88 | 2013-10-31 18:55:49 +0200 | [diff] [blame] | 214 | struct intel_connector *intel_connector = |
| 215 | &lvds_encoder->attached_connector->base; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 216 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 217 | u32 ctl_reg, stat_reg; |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 218 | |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 219 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 220 | ctl_reg = PCH_PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 221 | stat_reg = PCH_PP_STATUS; |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 222 | } else { |
| 223 | ctl_reg = PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 224 | stat_reg = PP_STATUS; |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 225 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 226 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 227 | I915_WRITE(lvds_encoder->reg, I915_READ(lvds_encoder->reg) | LVDS_PORT_EN); |
Chris Wilson | e9e331a | 2010-09-13 01:16:10 +0100 | [diff] [blame] | 228 | |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 229 | I915_WRITE(ctl_reg, I915_READ(ctl_reg) | POWER_TARGET_ON); |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 230 | POSTING_READ(lvds_encoder->reg); |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 231 | if (wait_for((I915_READ(stat_reg) & PP_ON) != 0, 1000)) |
| 232 | DRM_ERROR("timed out waiting for panel to power on\n"); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 233 | |
Jesse Barnes | 752aa88 | 2013-10-31 18:55:49 +0200 | [diff] [blame] | 234 | intel_panel_enable_backlight(intel_connector); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 235 | } |
| 236 | |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 237 | static void intel_disable_lvds(struct intel_encoder *encoder) |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 238 | { |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 239 | struct drm_device *dev = encoder->base.dev; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 240 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 241 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 242 | u32 ctl_reg, stat_reg; |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 243 | |
| 244 | if (HAS_PCH_SPLIT(dev)) { |
| 245 | ctl_reg = PCH_PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 246 | stat_reg = PCH_PP_STATUS; |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 247 | } else { |
| 248 | ctl_reg = PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 249 | stat_reg = PP_STATUS; |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 250 | } |
| 251 | |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 252 | I915_WRITE(ctl_reg, I915_READ(ctl_reg) & ~POWER_TARGET_ON); |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 253 | if (wait_for((I915_READ(stat_reg) & PP_ON) == 0, 1000)) |
| 254 | DRM_ERROR("timed out waiting for panel to power off\n"); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 255 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 256 | I915_WRITE(lvds_encoder->reg, I915_READ(lvds_encoder->reg) & ~LVDS_PORT_EN); |
| 257 | POSTING_READ(lvds_encoder->reg); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 258 | } |
| 259 | |
Ville Syrjälä | d26a5b6 | 2015-07-02 17:42:46 +0300 | [diff] [blame] | 260 | static void gmch_disable_lvds(struct intel_encoder *encoder) |
| 261 | { |
| 262 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
| 263 | struct intel_connector *intel_connector = |
| 264 | &lvds_encoder->attached_connector->base; |
| 265 | |
| 266 | intel_panel_disable_backlight(intel_connector); |
| 267 | |
| 268 | intel_disable_lvds(encoder); |
| 269 | } |
| 270 | |
| 271 | static void pch_disable_lvds(struct intel_encoder *encoder) |
| 272 | { |
| 273 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
| 274 | struct intel_connector *intel_connector = |
| 275 | &lvds_encoder->attached_connector->base; |
| 276 | |
| 277 | intel_panel_disable_backlight(intel_connector); |
| 278 | } |
| 279 | |
| 280 | static void pch_post_disable_lvds(struct intel_encoder *encoder) |
| 281 | { |
| 282 | intel_disable_lvds(encoder); |
| 283 | } |
| 284 | |
Damien Lespiau | c19de8e | 2013-11-28 15:29:18 +0000 | [diff] [blame] | 285 | static enum drm_mode_status |
| 286 | intel_lvds_mode_valid(struct drm_connector *connector, |
| 287 | struct drm_display_mode *mode) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 288 | { |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 289 | struct intel_connector *intel_connector = to_intel_connector(connector); |
| 290 | struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode; |
Mika Kahola | 7f7b58c | 2015-08-18 14:37:00 +0300 | [diff] [blame] | 291 | int max_pixclk = to_i915(connector->dev)->max_dotclk_freq; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 292 | |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 293 | if (mode->hdisplay > fixed_mode->hdisplay) |
| 294 | return MODE_PANEL; |
| 295 | if (mode->vdisplay > fixed_mode->vdisplay) |
| 296 | return MODE_PANEL; |
Mika Kahola | 7f7b58c | 2015-08-18 14:37:00 +0300 | [diff] [blame] | 297 | if (fixed_mode->clock > max_pixclk) |
| 298 | return MODE_CLOCK_HIGH; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 299 | |
| 300 | return MODE_OK; |
| 301 | } |
| 302 | |
Daniel Vetter | 7ae8923 | 2013-03-27 00:44:52 +0100 | [diff] [blame] | 303 | static bool intel_lvds_compute_config(struct intel_encoder *intel_encoder, |
Ander Conselvan de Oliveira | 5cec258 | 2015-01-15 14:55:21 +0200 | [diff] [blame] | 304 | struct intel_crtc_state *pipe_config) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 305 | { |
Daniel Vetter | 7ae8923 | 2013-03-27 00:44:52 +0100 | [diff] [blame] | 306 | struct drm_device *dev = intel_encoder->base.dev; |
Daniel Vetter | 7ae8923 | 2013-03-27 00:44:52 +0100 | [diff] [blame] | 307 | struct intel_lvds_encoder *lvds_encoder = |
| 308 | to_lvds_encoder(&intel_encoder->base); |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 309 | struct intel_connector *intel_connector = |
| 310 | &lvds_encoder->attached_connector->base; |
Ander Conselvan de Oliveira | 2d112de | 2015-01-15 14:55:22 +0200 | [diff] [blame] | 311 | struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
Ander Conselvan de Oliveira | d21bd67 | 2015-03-20 16:18:14 +0200 | [diff] [blame] | 312 | struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->base.crtc); |
Daniel Vetter | 4e53c2e | 2013-03-27 00:44:58 +0100 | [diff] [blame] | 313 | unsigned int lvds_bpp; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 314 | |
| 315 | /* Should never happen!! */ |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 316 | if (INTEL_INFO(dev)->gen < 4 && intel_crtc->pipe == 0) { |
Keith Packard | 1ae8c0a | 2009-06-28 15:42:17 -0700 | [diff] [blame] | 317 | DRM_ERROR("Can't support LVDS on pipe A\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 318 | return false; |
| 319 | } |
| 320 | |
Paulo Zanoni | 1f835a7 | 2014-07-04 13:38:36 -0300 | [diff] [blame] | 321 | if (lvds_encoder->a3_power == LVDS_A3_POWER_UP) |
Daniel Vetter | 4e53c2e | 2013-03-27 00:44:58 +0100 | [diff] [blame] | 322 | lvds_bpp = 8*3; |
| 323 | else |
| 324 | lvds_bpp = 6*3; |
| 325 | |
Daniel Vetter | e29c22c | 2013-02-21 00:00:16 +0100 | [diff] [blame] | 326 | if (lvds_bpp != pipe_config->pipe_bpp && !pipe_config->bw_constrained) { |
Daniel Vetter | 4e53c2e | 2013-03-27 00:44:58 +0100 | [diff] [blame] | 327 | DRM_DEBUG_KMS("forcing display bpp (was %d) to LVDS (%d)\n", |
| 328 | pipe_config->pipe_bpp, lvds_bpp); |
| 329 | pipe_config->pipe_bpp = lvds_bpp; |
| 330 | } |
Daniel Vetter | d8b3224 | 2013-04-25 17:54:44 +0200 | [diff] [blame] | 331 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 332 | /* |
Chris Wilson | 7167704 | 2010-07-17 13:38:43 +0100 | [diff] [blame] | 333 | * We have timings from the BIOS for the panel, put them in |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 334 | * to the adjusted mode. The CRTC will be set up for this mode, |
| 335 | * with the panel scaling set up to source from the H/VDisplay |
| 336 | * of the original mode. |
| 337 | */ |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 338 | intel_fixed_panel_mode(intel_connector->panel.fixed_mode, |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 339 | adjusted_mode); |
Chris Wilson | 1d8e1c7 | 2010-08-07 11:01:28 +0100 | [diff] [blame] | 340 | |
| 341 | if (HAS_PCH_SPLIT(dev)) { |
Daniel Vetter | 5bfe2ac | 2013-03-27 00:44:55 +0100 | [diff] [blame] | 342 | pipe_config->has_pch_encoder = true; |
| 343 | |
Jesse Barnes | b074cec | 2013-04-25 12:55:02 -0700 | [diff] [blame] | 344 | intel_pch_panel_fitting(intel_crtc, pipe_config, |
| 345 | intel_connector->panel.fitting_mode); |
Jesse Barnes | 2dd2455 | 2013-04-25 12:55:01 -0700 | [diff] [blame] | 346 | } else { |
| 347 | intel_gmch_panel_fitting(intel_crtc, pipe_config, |
| 348 | intel_connector->panel.fitting_mode); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 349 | |
Daniel Vetter | 21d8a47 | 2013-07-12 08:07:30 +0200 | [diff] [blame] | 350 | } |
Daniel Vetter | f9bef08 | 2012-04-15 19:53:19 +0200 | [diff] [blame] | 351 | |
Zhao Yakui | a3e17eb | 2009-10-10 10:42:37 +0800 | [diff] [blame] | 352 | /* |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 353 | * XXX: It would be nice to support lower refresh rates on the |
| 354 | * panels to reduce power consumption, and perhaps match the |
| 355 | * user's requested refresh rate. |
| 356 | */ |
| 357 | |
| 358 | return true; |
| 359 | } |
| 360 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 361 | /** |
| 362 | * Detect the LVDS connection. |
| 363 | * |
Jesse Barnes | b42d4c5 | 2009-09-10 15:28:04 -0700 | [diff] [blame] | 364 | * Since LVDS doesn't have hotlug, we use the lid as a proxy. Open means |
| 365 | * connected and closed means disconnected. We also send hotplug events as |
| 366 | * needed, using lid status notification from the input layer. |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 367 | */ |
Chris Wilson | 7b334fc | 2010-09-09 23:51:02 +0100 | [diff] [blame] | 368 | static enum drm_connector_status |
Chris Wilson | 930a9e2 | 2010-09-14 11:07:23 +0100 | [diff] [blame] | 369 | intel_lvds_detect(struct drm_connector *connector, bool force) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 370 | { |
Jesse Barnes | 7b9c5ab | 2010-02-12 09:30:00 -0800 | [diff] [blame] | 371 | struct drm_device *dev = connector->dev; |
Chris Wilson | 6ee3b5a | 2011-03-24 13:26:43 +0000 | [diff] [blame] | 372 | enum drm_connector_status status; |
Jesse Barnes | b42d4c5 | 2009-09-10 15:28:04 -0700 | [diff] [blame] | 373 | |
Chris Wilson | 164c859 | 2013-07-20 20:27:08 +0100 | [diff] [blame] | 374 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
Jani Nikula | c23cc41 | 2014-06-03 14:56:17 +0300 | [diff] [blame] | 375 | connector->base.id, connector->name); |
Chris Wilson | 164c859 | 2013-07-20 20:27:08 +0100 | [diff] [blame] | 376 | |
Chris Wilson | fe16d94 | 2011-02-12 10:29:38 +0000 | [diff] [blame] | 377 | status = intel_panel_detect(dev); |
| 378 | if (status != connector_status_unknown) |
| 379 | return status; |
Chris Wilson | 01fe9db | 2011-01-16 19:37:30 +0000 | [diff] [blame] | 380 | |
Chris Wilson | 6ee3b5a | 2011-03-24 13:26:43 +0000 | [diff] [blame] | 381 | return connector_status_connected; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 382 | } |
| 383 | |
| 384 | /** |
| 385 | * Return the list of DDC modes if available, or the BIOS fixed mode otherwise. |
| 386 | */ |
| 387 | static int intel_lvds_get_modes(struct drm_connector *connector) |
| 388 | { |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 389 | struct intel_lvds_connector *lvds_connector = to_lvds_connector(connector); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 390 | struct drm_device *dev = connector->dev; |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 391 | struct drm_display_mode *mode; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 392 | |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 393 | /* use cached edid if we have one */ |
Chris Wilson | 2aa4f09 | 2012-11-21 16:14:04 +0000 | [diff] [blame] | 394 | if (!IS_ERR_OR_NULL(lvds_connector->base.edid)) |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 395 | return drm_add_edid_modes(connector, lvds_connector->base.edid); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 396 | |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 397 | mode = drm_mode_duplicate(dev, lvds_connector->base.panel.fixed_mode); |
Chris Wilson | 311bd68 | 2011-01-13 19:06:50 +0000 | [diff] [blame] | 398 | if (mode == NULL) |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 399 | return 0; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 400 | |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 401 | drm_mode_probed_add(connector, mode); |
| 402 | return 1; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 403 | } |
| 404 | |
Thomas Bächler | 0544edf | 2010-07-02 10:44:23 +0200 | [diff] [blame] | 405 | static int intel_no_modeset_on_lid_dmi_callback(const struct dmi_system_id *id) |
| 406 | { |
Daniel Vetter | bc0daf4 | 2012-04-01 13:16:49 +0200 | [diff] [blame] | 407 | DRM_INFO("Skipping forced modeset for %s\n", id->ident); |
Thomas Bächler | 0544edf | 2010-07-02 10:44:23 +0200 | [diff] [blame] | 408 | return 1; |
| 409 | } |
| 410 | |
| 411 | /* The GPU hangs up on these systems if modeset is performed on LID open */ |
| 412 | static const struct dmi_system_id intel_no_modeset_on_lid[] = { |
| 413 | { |
| 414 | .callback = intel_no_modeset_on_lid_dmi_callback, |
| 415 | .ident = "Toshiba Tecra A11", |
| 416 | .matches = { |
| 417 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 418 | DMI_MATCH(DMI_PRODUCT_NAME, "TECRA A11"), |
| 419 | }, |
| 420 | }, |
| 421 | |
| 422 | { } /* terminating entry */ |
| 423 | }; |
| 424 | |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 425 | /* |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 426 | * Lid events. Note the use of 'modeset': |
| 427 | * - we set it to MODESET_ON_LID_OPEN on lid close, |
| 428 | * and set it to MODESET_DONE on open |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 429 | * - we use it as a "only once" bit (ie we ignore |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 430 | * duplicate events where it was already properly set) |
| 431 | * - the suspend/resume paths will set it to |
| 432 | * MODESET_SUSPENDED and ignore the lid open event, |
| 433 | * because they restore the mode ("lid open"). |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 434 | */ |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 435 | static int intel_lid_notify(struct notifier_block *nb, unsigned long val, |
| 436 | void *unused) |
| 437 | { |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 438 | struct intel_lvds_connector *lvds_connector = |
| 439 | container_of(nb, struct intel_lvds_connector, lid_notifier); |
| 440 | struct drm_connector *connector = &lvds_connector->base.base; |
| 441 | struct drm_device *dev = connector->dev; |
| 442 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 443 | |
Alex Williamson | 2fb4e61 | 2011-04-21 16:08:14 -0600 | [diff] [blame] | 444 | if (dev->switch_power_state != DRM_SWITCH_POWER_ON) |
| 445 | return NOTIFY_OK; |
| 446 | |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 447 | mutex_lock(&dev_priv->modeset_restore_lock); |
| 448 | if (dev_priv->modeset_restore == MODESET_SUSPENDED) |
| 449 | goto exit; |
Zhao Yakui | a256537 | 2009-12-11 09:26:11 +0800 | [diff] [blame] | 450 | /* |
| 451 | * check and update the status of LVDS connector after receiving |
| 452 | * the LID nofication event. |
| 453 | */ |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 454 | connector->status = connector->funcs->detect(connector, false); |
Chris Wilson | 7b334fc | 2010-09-09 23:51:02 +0100 | [diff] [blame] | 455 | |
Thomas Bächler | 0544edf | 2010-07-02 10:44:23 +0200 | [diff] [blame] | 456 | /* Don't force modeset on machines where it causes a GPU lockup */ |
| 457 | if (dmi_check_system(intel_no_modeset_on_lid)) |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 458 | goto exit; |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 459 | if (!acpi_lid_open()) { |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 460 | /* do modeset on next lid open event */ |
| 461 | dev_priv->modeset_restore = MODESET_ON_LID_OPEN; |
| 462 | goto exit; |
Jesse Barnes | 06891e2 | 2009-09-14 10:58:48 -0700 | [diff] [blame] | 463 | } |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 464 | |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 465 | if (dev_priv->modeset_restore == MODESET_DONE) |
| 466 | goto exit; |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 467 | |
Daniel Vetter | 5be19d9 | 2013-10-09 10:47:12 +0200 | [diff] [blame] | 468 | /* |
| 469 | * Some old platform's BIOS love to wreak havoc while the lid is closed. |
| 470 | * We try to detect this here and undo any damage. The split for PCH |
| 471 | * platforms is rather conservative and a bit arbitrary expect that on |
| 472 | * those platforms VGA disabling requires actual legacy VGA I/O access, |
| 473 | * and as part of the cleanup in the hw state restore we also redisable |
| 474 | * the vga plane. |
| 475 | */ |
| 476 | if (!HAS_PCH_SPLIT(dev)) { |
| 477 | drm_modeset_lock_all(dev); |
Maarten Lankhorst | 043e9bd | 2015-07-13 16:30:25 +0200 | [diff] [blame] | 478 | intel_display_resume(dev); |
Daniel Vetter | 5be19d9 | 2013-10-09 10:47:12 +0200 | [diff] [blame] | 479 | drm_modeset_unlock_all(dev); |
| 480 | } |
Jesse Barnes | 0632419 | 2009-09-10 15:28:05 -0700 | [diff] [blame] | 481 | |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 482 | dev_priv->modeset_restore = MODESET_DONE; |
| 483 | |
| 484 | exit: |
| 485 | mutex_unlock(&dev_priv->modeset_restore_lock); |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 486 | return NOTIFY_OK; |
| 487 | } |
| 488 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 489 | /** |
| 490 | * intel_lvds_destroy - unregister and free LVDS structures |
| 491 | * @connector: connector to free |
| 492 | * |
| 493 | * Unregister the DDC bus for this connector then free the driver private |
| 494 | * structure. |
| 495 | */ |
| 496 | static void intel_lvds_destroy(struct drm_connector *connector) |
| 497 | { |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 498 | struct intel_lvds_connector *lvds_connector = |
| 499 | to_lvds_connector(connector); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 500 | |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 501 | if (lvds_connector->lid_notifier.notifier_call) |
| 502 | acpi_lid_notifier_unregister(&lvds_connector->lid_notifier); |
Matthew Garrett | aaa6fd2 | 2011-08-12 12:11:33 +0200 | [diff] [blame] | 503 | |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 504 | if (!IS_ERR_OR_NULL(lvds_connector->base.edid)) |
| 505 | kfree(lvds_connector->base.edid); |
| 506 | |
Jani Nikula | 1d50870 | 2012-10-19 14:51:49 +0300 | [diff] [blame] | 507 | intel_panel_fini(&lvds_connector->base.panel); |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 508 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 509 | drm_connector_cleanup(connector); |
| 510 | kfree(connector); |
| 511 | } |
| 512 | |
Jesse Barnes | 335041e | 2009-01-22 22:22:06 +1000 | [diff] [blame] | 513 | static int intel_lvds_set_property(struct drm_connector *connector, |
| 514 | struct drm_property *property, |
| 515 | uint64_t value) |
| 516 | { |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 517 | struct intel_connector *intel_connector = to_intel_connector(connector); |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 518 | struct drm_device *dev = connector->dev; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 519 | |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 520 | if (property == dev->mode_config.scaling_mode_property) { |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 521 | struct drm_crtc *crtc; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 522 | |
Jesse Barnes | 53bd838 | 2009-07-01 10:04:40 -0700 | [diff] [blame] | 523 | if (value == DRM_MODE_SCALE_NONE) { |
| 524 | DRM_DEBUG_KMS("no scaling not supported\n"); |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 525 | return -EINVAL; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 526 | } |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 527 | |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 528 | if (intel_connector->panel.fitting_mode == value) { |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 529 | /* the LVDS scaling property is not changed */ |
| 530 | return 0; |
| 531 | } |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 532 | intel_connector->panel.fitting_mode = value; |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 533 | |
| 534 | crtc = intel_attached_encoder(connector)->base.crtc; |
Matt Roper | 83d6573 | 2015-02-25 13:12:16 -0800 | [diff] [blame] | 535 | if (crtc && crtc->state->enable) { |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 536 | /* |
| 537 | * If the CRTC is enabled, the display will be changed |
| 538 | * according to the new panel fitting mode. |
| 539 | */ |
Chris Wilson | c0c36b94 | 2012-12-19 16:08:43 +0000 | [diff] [blame] | 540 | intel_crtc_restore_mode(crtc); |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 541 | } |
| 542 | } |
| 543 | |
Jesse Barnes | 335041e | 2009-01-22 22:22:06 +1000 | [diff] [blame] | 544 | return 0; |
| 545 | } |
| 546 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 547 | static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs = { |
| 548 | .get_modes = intel_lvds_get_modes, |
| 549 | .mode_valid = intel_lvds_mode_valid, |
Chris Wilson | df0e924 | 2010-09-09 16:20:55 +0100 | [diff] [blame] | 550 | .best_encoder = intel_best_encoder, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 551 | }; |
| 552 | |
| 553 | static const struct drm_connector_funcs intel_lvds_connector_funcs = { |
Maarten Lankhorst | 4d688a2 | 2015-08-05 12:37:06 +0200 | [diff] [blame] | 554 | .dpms = drm_atomic_helper_connector_dpms, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 555 | .detect = intel_lvds_detect, |
| 556 | .fill_modes = drm_helper_probe_single_connector_modes, |
Jesse Barnes | 335041e | 2009-01-22 22:22:06 +1000 | [diff] [blame] | 557 | .set_property = intel_lvds_set_property, |
Matt Roper | 2545e4a | 2015-01-22 16:51:27 -0800 | [diff] [blame] | 558 | .atomic_get_property = intel_connector_atomic_get_property, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 559 | .destroy = intel_lvds_destroy, |
Matt Roper | c6f95f2 | 2015-01-22 16:50:32 -0800 | [diff] [blame] | 560 | .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, |
Ander Conselvan de Oliveira | 9896972 | 2015-03-20 16:18:06 +0200 | [diff] [blame] | 561 | .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 562 | }; |
| 563 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 564 | static const struct drm_encoder_funcs intel_lvds_enc_funcs = { |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 565 | .destroy = intel_encoder_destroy, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 566 | }; |
| 567 | |
Mathias Krause | bbe1c27 | 2014-08-27 18:41:19 +0200 | [diff] [blame] | 568 | static int intel_no_lvds_dmi_callback(const struct dmi_system_id *id) |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 569 | { |
Daniel Vetter | bc0daf4 | 2012-04-01 13:16:49 +0200 | [diff] [blame] | 570 | DRM_INFO("Skipping LVDS initialization for %s\n", id->ident); |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 571 | return 1; |
| 572 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 573 | |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 574 | /* These systems claim to have LVDS, but really don't */ |
Jaswinder Singh Rajput | 93c05f2 | 2009-06-04 09:41:19 +1000 | [diff] [blame] | 575 | static const struct dmi_system_id intel_no_lvds[] = { |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 576 | { |
| 577 | .callback = intel_no_lvds_dmi_callback, |
| 578 | .ident = "Apple Mac Mini (Core series)", |
| 579 | .matches = { |
Keith Packard | 98acd46 | 2009-06-14 12:31:58 -0700 | [diff] [blame] | 580 | DMI_MATCH(DMI_SYS_VENDOR, "Apple"), |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 581 | DMI_MATCH(DMI_PRODUCT_NAME, "Macmini1,1"), |
| 582 | }, |
| 583 | }, |
| 584 | { |
| 585 | .callback = intel_no_lvds_dmi_callback, |
| 586 | .ident = "Apple Mac Mini (Core 2 series)", |
| 587 | .matches = { |
Keith Packard | 98acd46 | 2009-06-14 12:31:58 -0700 | [diff] [blame] | 588 | DMI_MATCH(DMI_SYS_VENDOR, "Apple"), |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 589 | DMI_MATCH(DMI_PRODUCT_NAME, "Macmini2,1"), |
| 590 | }, |
| 591 | }, |
| 592 | { |
| 593 | .callback = intel_no_lvds_dmi_callback, |
| 594 | .ident = "MSI IM-945GSE-A", |
| 595 | .matches = { |
| 596 | DMI_MATCH(DMI_SYS_VENDOR, "MSI"), |
| 597 | DMI_MATCH(DMI_PRODUCT_NAME, "A9830IMS"), |
| 598 | }, |
| 599 | }, |
| 600 | { |
| 601 | .callback = intel_no_lvds_dmi_callback, |
| 602 | .ident = "Dell Studio Hybrid", |
| 603 | .matches = { |
| 604 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
| 605 | DMI_MATCH(DMI_PRODUCT_NAME, "Studio Hybrid 140g"), |
| 606 | }, |
| 607 | }, |
Jarod Wilson | 70aa96c | 2009-05-27 17:20:39 -0400 | [diff] [blame] | 608 | { |
| 609 | .callback = intel_no_lvds_dmi_callback, |
Pieterjan Camerlynck | b066254 | 2011-07-26 16:23:54 +0200 | [diff] [blame] | 610 | .ident = "Dell OptiPlex FX170", |
| 611 | .matches = { |
| 612 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
| 613 | DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex FX170"), |
| 614 | }, |
| 615 | }, |
| 616 | { |
| 617 | .callback = intel_no_lvds_dmi_callback, |
Jarod Wilson | 70aa96c | 2009-05-27 17:20:39 -0400 | [diff] [blame] | 618 | .ident = "AOpen Mini PC", |
| 619 | .matches = { |
| 620 | DMI_MATCH(DMI_SYS_VENDOR, "AOpen"), |
| 621 | DMI_MATCH(DMI_PRODUCT_NAME, "i965GMx-IF"), |
| 622 | }, |
| 623 | }, |
Michael Cousin | fa0864b | 2009-06-05 21:16:22 +0200 | [diff] [blame] | 624 | { |
| 625 | .callback = intel_no_lvds_dmi_callback, |
Tormod Volden | ed8c754 | 2009-07-13 22:26:48 +0200 | [diff] [blame] | 626 | .ident = "AOpen Mini PC MP915", |
| 627 | .matches = { |
| 628 | DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"), |
| 629 | DMI_MATCH(DMI_BOARD_NAME, "i915GMx-F"), |
| 630 | }, |
| 631 | }, |
| 632 | { |
| 633 | .callback = intel_no_lvds_dmi_callback, |
Knut Petersen | 22ab70d | 2011-01-14 15:38:10 +0000 | [diff] [blame] | 634 | .ident = "AOpen i915GMm-HFS", |
| 635 | .matches = { |
| 636 | DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"), |
| 637 | DMI_MATCH(DMI_BOARD_NAME, "i915GMm-HFS"), |
| 638 | }, |
| 639 | }, |
| 640 | { |
| 641 | .callback = intel_no_lvds_dmi_callback, |
Daniel Vetter | e57b688 | 2012-02-08 16:42:52 +0100 | [diff] [blame] | 642 | .ident = "AOpen i45GMx-I", |
| 643 | .matches = { |
| 644 | DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"), |
| 645 | DMI_MATCH(DMI_BOARD_NAME, "i45GMx-I"), |
| 646 | }, |
| 647 | }, |
| 648 | { |
| 649 | .callback = intel_no_lvds_dmi_callback, |
Michael Cousin | fa0864b | 2009-06-05 21:16:22 +0200 | [diff] [blame] | 650 | .ident = "Aopen i945GTt-VFA", |
| 651 | .matches = { |
| 652 | DMI_MATCH(DMI_PRODUCT_VERSION, "AO00001JW"), |
| 653 | }, |
| 654 | }, |
Stefan Bader | 9875557ee8 | 2010-03-29 17:53:12 +0200 | [diff] [blame] | 655 | { |
| 656 | .callback = intel_no_lvds_dmi_callback, |
| 657 | .ident = "Clientron U800", |
| 658 | .matches = { |
| 659 | DMI_MATCH(DMI_SYS_VENDOR, "Clientron"), |
| 660 | DMI_MATCH(DMI_PRODUCT_NAME, "U800"), |
| 661 | }, |
| 662 | }, |
Hans de Goede | 6a574b5 | 2011-06-04 15:39:21 +0200 | [diff] [blame] | 663 | { |
Joel Sass | 44306ab | 2012-01-10 13:03:55 -0500 | [diff] [blame] | 664 | .callback = intel_no_lvds_dmi_callback, |
| 665 | .ident = "Clientron E830", |
| 666 | .matches = { |
| 667 | DMI_MATCH(DMI_SYS_VENDOR, "Clientron"), |
| 668 | DMI_MATCH(DMI_PRODUCT_NAME, "E830"), |
| 669 | }, |
| 670 | }, |
| 671 | { |
Hans de Goede | 6a574b5 | 2011-06-04 15:39:21 +0200 | [diff] [blame] | 672 | .callback = intel_no_lvds_dmi_callback, |
| 673 | .ident = "Asus EeeBox PC EB1007", |
| 674 | .matches = { |
| 675 | DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), |
| 676 | DMI_MATCH(DMI_PRODUCT_NAME, "EB1007"), |
| 677 | }, |
| 678 | }, |
Adam Jackson | 0999bbe | 2011-11-28 12:22:56 -0500 | [diff] [blame] | 679 | { |
| 680 | .callback = intel_no_lvds_dmi_callback, |
| 681 | .ident = "Asus AT5NM10T-I", |
| 682 | .matches = { |
| 683 | DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), |
| 684 | DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"), |
| 685 | }, |
| 686 | }, |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 687 | { |
| 688 | .callback = intel_no_lvds_dmi_callback, |
Ben Mesman | 45a211d | 2013-04-16 20:00:28 +0200 | [diff] [blame] | 689 | .ident = "Hewlett-Packard HP t5740", |
Jan-Benedict Glaw | 3347111 | 2012-05-22 15:21:53 +0200 | [diff] [blame] | 690 | .matches = { |
| 691 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
Ben Mesman | 45a211d | 2013-04-16 20:00:28 +0200 | [diff] [blame] | 692 | DMI_MATCH(DMI_PRODUCT_NAME, " t5740"), |
Jan-Benedict Glaw | 3347111 | 2012-05-22 15:21:53 +0200 | [diff] [blame] | 693 | }, |
| 694 | }, |
| 695 | { |
| 696 | .callback = intel_no_lvds_dmi_callback, |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 697 | .ident = "Hewlett-Packard t5745", |
| 698 | .matches = { |
| 699 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
Marc Gariepy | 6200497 | 2012-05-01 13:37:57 -0400 | [diff] [blame] | 700 | DMI_MATCH(DMI_PRODUCT_NAME, "hp t5745"), |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 701 | }, |
| 702 | }, |
| 703 | { |
| 704 | .callback = intel_no_lvds_dmi_callback, |
| 705 | .ident = "Hewlett-Packard st5747", |
| 706 | .matches = { |
| 707 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
Marc Gariepy | 6200497 | 2012-05-01 13:37:57 -0400 | [diff] [blame] | 708 | DMI_MATCH(DMI_PRODUCT_NAME, "hp st5747"), |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 709 | }, |
| 710 | }, |
Anisse Astier | 97effad | 2012-03-07 18:36:35 +0100 | [diff] [blame] | 711 | { |
| 712 | .callback = intel_no_lvds_dmi_callback, |
| 713 | .ident = "MSI Wind Box DC500", |
| 714 | .matches = { |
| 715 | DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"), |
| 716 | DMI_MATCH(DMI_BOARD_NAME, "MS-7469"), |
| 717 | }, |
| 718 | }, |
Sjoerd Simons | 9756fe3 | 2012-06-22 09:43:07 +0200 | [diff] [blame] | 719 | { |
| 720 | .callback = intel_no_lvds_dmi_callback, |
Calvin Walton | a51d4ed | 2012-08-24 07:56:31 -0400 | [diff] [blame] | 721 | .ident = "Gigabyte GA-D525TUD", |
| 722 | .matches = { |
| 723 | DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co., Ltd."), |
| 724 | DMI_MATCH(DMI_BOARD_NAME, "D525TUD"), |
| 725 | }, |
| 726 | }, |
Chris Wilson | c31407a | 2012-10-18 21:07:01 +0100 | [diff] [blame] | 727 | { |
| 728 | .callback = intel_no_lvds_dmi_callback, |
| 729 | .ident = "Supermicro X7SPA-H", |
| 730 | .matches = { |
| 731 | DMI_MATCH(DMI_SYS_VENDOR, "Supermicro"), |
| 732 | DMI_MATCH(DMI_PRODUCT_NAME, "X7SPA-H"), |
| 733 | }, |
| 734 | }, |
Christian Lamparter | 9e9dd0e | 2013-04-03 14:34:11 +0200 | [diff] [blame] | 735 | { |
| 736 | .callback = intel_no_lvds_dmi_callback, |
| 737 | .ident = "Fujitsu Esprimo Q900", |
| 738 | .matches = { |
| 739 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), |
| 740 | DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Q900"), |
| 741 | }, |
| 742 | }, |
Chris Wilson | e5614f0 | 2013-07-03 15:05:03 -0700 | [diff] [blame] | 743 | { |
| 744 | .callback = intel_no_lvds_dmi_callback, |
Rob Pearce | 645378d | 2013-10-27 16:13:42 +0000 | [diff] [blame] | 745 | .ident = "Intel D410PT", |
| 746 | .matches = { |
| 747 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel"), |
| 748 | DMI_MATCH(DMI_BOARD_NAME, "D410PT"), |
| 749 | }, |
| 750 | }, |
| 751 | { |
| 752 | .callback = intel_no_lvds_dmi_callback, |
| 753 | .ident = "Intel D425KT", |
| 754 | .matches = { |
| 755 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel"), |
| 756 | DMI_EXACT_MATCH(DMI_BOARD_NAME, "D425KT"), |
| 757 | }, |
| 758 | }, |
| 759 | { |
| 760 | .callback = intel_no_lvds_dmi_callback, |
Chris Wilson | e5614f0 | 2013-07-03 15:05:03 -0700 | [diff] [blame] | 761 | .ident = "Intel D510MO", |
| 762 | .matches = { |
| 763 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel"), |
| 764 | DMI_EXACT_MATCH(DMI_BOARD_NAME, "D510MO"), |
| 765 | }, |
| 766 | }, |
Jani Nikula | dcf6d29 | 2013-07-03 15:05:05 -0700 | [diff] [blame] | 767 | { |
| 768 | .callback = intel_no_lvds_dmi_callback, |
| 769 | .ident = "Intel D525MW", |
| 770 | .matches = { |
| 771 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel"), |
| 772 | DMI_EXACT_MATCH(DMI_BOARD_NAME, "D525MW"), |
| 773 | }, |
| 774 | }, |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 775 | |
| 776 | { } /* terminating entry */ |
| 777 | }; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 778 | |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 779 | /* |
| 780 | * Enumerate the child dev array parsed from VBT to check whether |
| 781 | * the LVDS is present. |
| 782 | * If it is present, return 1. |
| 783 | * If it is not present, return false. |
| 784 | * If no child dev is parsed from VBT, it assumes that the LVDS is present. |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 785 | */ |
Chris Wilson | 270eea0 | 2010-09-24 01:15:02 +0100 | [diff] [blame] | 786 | static bool lvds_is_present_in_vbt(struct drm_device *dev, |
| 787 | u8 *i2c_pin) |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 788 | { |
| 789 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 790 | int i; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 791 | |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 792 | if (!dev_priv->vbt.child_dev_num) |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 793 | return true; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 794 | |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 795 | for (i = 0; i < dev_priv->vbt.child_dev_num; i++) { |
Paulo Zanoni | 768f69c | 2013-09-11 18:02:47 -0300 | [diff] [blame] | 796 | union child_device_config *uchild = dev_priv->vbt.child_dev + i; |
| 797 | struct old_child_dev_config *child = &uchild->old; |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 798 | |
| 799 | /* If the device type is not LFP, continue. |
| 800 | * We have to check both the new identifiers as well as the |
| 801 | * old for compatibility with some BIOSes. |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 802 | */ |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 803 | if (child->device_type != DEVICE_TYPE_INT_LFP && |
| 804 | child->device_type != DEVICE_TYPE_LFP) |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 805 | continue; |
| 806 | |
Jani Nikula | 88ac793 | 2015-03-27 00:20:22 +0200 | [diff] [blame] | 807 | if (intel_gmbus_is_valid_pin(dev_priv, child->i2c_pin)) |
Daniel Kurtz | 3bd7d90 | 2012-03-28 02:36:14 +0800 | [diff] [blame] | 808 | *i2c_pin = child->i2c_pin; |
Chris Wilson | 270eea0 | 2010-09-24 01:15:02 +0100 | [diff] [blame] | 809 | |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 810 | /* However, we cannot trust the BIOS writers to populate |
| 811 | * the VBT correctly. Since LVDS requires additional |
| 812 | * information from AIM blocks, a non-zero addin offset is |
| 813 | * a good indicator that the LVDS is actually present. |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 814 | */ |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 815 | if (child->addin_offset) |
| 816 | return true; |
| 817 | |
| 818 | /* But even then some BIOS writers perform some black magic |
| 819 | * and instantiate the device without reference to any |
| 820 | * additional data. Trust that if the VBT was written into |
| 821 | * the OpRegion then they have validated the LVDS's existence. |
| 822 | */ |
| 823 | if (dev_priv->opregion.vbt) |
| 824 | return true; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 825 | } |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 826 | |
| 827 | return false; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 828 | } |
| 829 | |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 830 | static int intel_dual_link_lvds_callback(const struct dmi_system_id *id) |
| 831 | { |
| 832 | DRM_INFO("Forcing lvds to dual link mode on %s\n", id->ident); |
| 833 | return 1; |
| 834 | } |
| 835 | |
| 836 | static const struct dmi_system_id intel_dual_link_lvds[] = { |
| 837 | { |
| 838 | .callback = intel_dual_link_lvds_callback, |
Lukas Wunner | 3916e3f | 2015-05-04 15:06:49 +0200 | [diff] [blame] | 839 | .ident = "Apple MacBook Pro 15\" (2010)", |
| 840 | .matches = { |
| 841 | DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), |
| 842 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro6,2"), |
| 843 | }, |
| 844 | }, |
| 845 | { |
| 846 | .callback = intel_dual_link_lvds_callback, |
| 847 | .ident = "Apple MacBook Pro 15\" (2011)", |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 848 | .matches = { |
| 849 | DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), |
| 850 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro8,2"), |
| 851 | }, |
| 852 | }, |
Lukas Wunner | 3916e3f | 2015-05-04 15:06:49 +0200 | [diff] [blame] | 853 | { |
| 854 | .callback = intel_dual_link_lvds_callback, |
| 855 | .ident = "Apple MacBook Pro 15\" (2012)", |
| 856 | .matches = { |
| 857 | DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), |
| 858 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro9,1"), |
| 859 | }, |
| 860 | }, |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 861 | { } /* terminating entry */ |
| 862 | }; |
| 863 | |
| 864 | bool intel_is_dual_link_lvds(struct drm_device *dev) |
| 865 | { |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 866 | struct intel_encoder *encoder; |
| 867 | struct intel_lvds_encoder *lvds_encoder; |
| 868 | |
Damien Lespiau | b2784e1 | 2014-08-05 11:29:37 +0100 | [diff] [blame] | 869 | for_each_intel_encoder(dev, encoder) { |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 870 | if (encoder->type == INTEL_OUTPUT_LVDS) { |
| 871 | lvds_encoder = to_lvds_encoder(&encoder->base); |
| 872 | |
| 873 | return lvds_encoder->is_dual_link; |
| 874 | } |
| 875 | } |
| 876 | |
| 877 | return false; |
| 878 | } |
| 879 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 880 | static bool compute_is_dual_link_lvds(struct intel_lvds_encoder *lvds_encoder) |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 881 | { |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 882 | struct drm_device *dev = lvds_encoder->base.base.dev; |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 883 | unsigned int val; |
| 884 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 885 | |
| 886 | /* use the module option value if specified */ |
Jani Nikula | d330a95 | 2014-01-21 11:24:25 +0200 | [diff] [blame] | 887 | if (i915.lvds_channel_mode > 0) |
| 888 | return i915.lvds_channel_mode == 2; |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 889 | |
Lukas Wunner | 6f317cf | 2015-04-12 21:10:35 +0200 | [diff] [blame] | 890 | /* single channel LVDS is limited to 112 MHz */ |
| 891 | if (lvds_encoder->attached_connector->base.panel.fixed_mode->clock |
| 892 | > 112999) |
| 893 | return true; |
| 894 | |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 895 | if (dmi_check_system(intel_dual_link_lvds)) |
| 896 | return true; |
| 897 | |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 898 | /* BIOS should set the proper LVDS register value at boot, but |
| 899 | * in reality, it doesn't set the value when the lid is closed; |
| 900 | * we need to check "the value to be set" in VBT when LVDS |
| 901 | * register is uninitialized. |
| 902 | */ |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 903 | val = I915_READ(lvds_encoder->reg); |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 904 | if (!(val & ~(LVDS_PIPE_MASK | LVDS_DETECTED))) |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 905 | val = dev_priv->vbt.bios_lvds_val; |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 906 | |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 907 | return (val & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP; |
| 908 | } |
| 909 | |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 910 | static bool intel_lvds_supported(struct drm_device *dev) |
| 911 | { |
| 912 | /* With the introduction of the PCH we gained a dedicated |
| 913 | * LVDS presence pin, use it. */ |
Paulo Zanoni | 311e359 | 2013-03-06 20:03:19 -0300 | [diff] [blame] | 914 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 915 | return true; |
| 916 | |
| 917 | /* Otherwise LVDS was only attached to mobile products, |
| 918 | * except for the inglorious 830gm */ |
Paulo Zanoni | 311e359 | 2013-03-06 20:03:19 -0300 | [diff] [blame] | 919 | if (INTEL_INFO(dev)->gen <= 4 && IS_MOBILE(dev) && !IS_I830(dev)) |
| 920 | return true; |
| 921 | |
| 922 | return false; |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 923 | } |
| 924 | |
Zhao Yakui | 18f9ed1 | 2009-11-20 03:24:16 +0000 | [diff] [blame] | 925 | /** |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 926 | * intel_lvds_init - setup LVDS connectors on this device |
| 927 | * @dev: drm device |
| 928 | * |
| 929 | * Create the connector, register the LVDS DDC bus, and try to figure out what |
| 930 | * modes we can display on the LVDS panel (if present). |
| 931 | */ |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 932 | void intel_lvds_init(struct drm_device *dev) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 933 | { |
| 934 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 935 | struct intel_lvds_encoder *lvds_encoder; |
Eric Anholt | 21d40d3 | 2010-03-25 11:11:14 -0700 | [diff] [blame] | 936 | struct intel_encoder *intel_encoder; |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 937 | struct intel_lvds_connector *lvds_connector; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 938 | struct intel_connector *intel_connector; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 939 | struct drm_connector *connector; |
| 940 | struct drm_encoder *encoder; |
| 941 | struct drm_display_mode *scan; /* *modes, *bios_mode; */ |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 942 | struct drm_display_mode *fixed_mode = NULL; |
Vandana Kannan | 4b6ed68 | 2014-02-11 14:26:36 +0530 | [diff] [blame] | 943 | struct drm_display_mode *downclock_mode = NULL; |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 944 | struct edid *edid; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 945 | struct drm_crtc *crtc; |
| 946 | u32 lvds; |
Chris Wilson | 270eea0 | 2010-09-24 01:15:02 +0100 | [diff] [blame] | 947 | int pipe; |
| 948 | u8 pin; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 949 | |
Daniel Vetter | b0616c5 | 2014-12-01 17:56:54 +0100 | [diff] [blame] | 950 | /* |
| 951 | * Unlock registers and just leave them unlocked. Do this before |
| 952 | * checking quirk lists to avoid bogus WARNINGs. |
| 953 | */ |
| 954 | if (HAS_PCH_SPLIT(dev)) { |
| 955 | I915_WRITE(PCH_PP_CONTROL, |
| 956 | I915_READ(PCH_PP_CONTROL) | PANEL_UNLOCK_REGS); |
Imre Deak | c5796b7 | 2015-09-03 16:24:35 +0300 | [diff] [blame] | 957 | } else if (INTEL_INFO(dev_priv)->gen < 5) { |
Daniel Vetter | b0616c5 | 2014-12-01 17:56:54 +0100 | [diff] [blame] | 958 | I915_WRITE(PP_CONTROL, |
| 959 | I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS); |
| 960 | } |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 961 | if (!intel_lvds_supported(dev)) |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 962 | return; |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 963 | |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 964 | /* Skip init on machines we know falsely report LVDS */ |
| 965 | if (dmi_check_system(intel_no_lvds)) |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 966 | return; |
Paul Collins | 565dcd4 | 2009-02-04 23:05:41 +1300 | [diff] [blame] | 967 | |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 968 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 969 | if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0) |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 970 | return; |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 971 | if (dev_priv->vbt.edp_support) { |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 972 | DRM_DEBUG_KMS("disable LVDS for eDP support\n"); |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 973 | return; |
Zhenyu Wang | 32f9d65 | 2009-07-24 01:00:32 +0800 | [diff] [blame] | 974 | } |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 975 | } |
| 976 | |
Chris Wilson | eebaed6 | 2015-06-19 13:57:43 +0100 | [diff] [blame] | 977 | pin = GMBUS_PIN_PANEL; |
| 978 | if (!lvds_is_present_in_vbt(dev, &pin)) { |
| 979 | u32 reg = HAS_PCH_SPLIT(dev) ? PCH_LVDS : LVDS; |
| 980 | if ((I915_READ(reg) & LVDS_PORT_EN) == 0) { |
| 981 | DRM_DEBUG_KMS("LVDS is not present in VBT\n"); |
| 982 | return; |
| 983 | } |
| 984 | DRM_DEBUG_KMS("LVDS is not present in VBT, but enabled anyway\n"); |
| 985 | } |
| 986 | |
Imre Deak | 96d12cb | 2015-09-03 16:24:36 +0300 | [diff] [blame] | 987 | /* Set the Panel Power On/Off timings if uninitialized. */ |
| 988 | if (INTEL_INFO(dev_priv)->gen < 5 && |
| 989 | I915_READ(PP_ON_DELAYS) == 0 && I915_READ(PP_OFF_DELAYS) == 0) { |
| 990 | /* Set T2 to 40ms and T5 to 200ms */ |
| 991 | I915_WRITE(PP_ON_DELAYS, 0x019007d0); |
| 992 | |
| 993 | /* Set T3 to 35ms and Tx to 200ms */ |
| 994 | I915_WRITE(PP_OFF_DELAYS, 0x015e07d0); |
| 995 | |
| 996 | DRM_DEBUG_KMS("Panel power timings uninitialized, setting defaults\n"); |
| 997 | } |
| 998 | |
Daniel Vetter | b14c567 | 2013-09-19 12:18:32 +0200 | [diff] [blame] | 999 | lvds_encoder = kzalloc(sizeof(*lvds_encoder), GFP_KERNEL); |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 1000 | if (!lvds_encoder) |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 1001 | return; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1002 | |
Daniel Vetter | b14c567 | 2013-09-19 12:18:32 +0200 | [diff] [blame] | 1003 | lvds_connector = kzalloc(sizeof(*lvds_connector), GFP_KERNEL); |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 1004 | if (!lvds_connector) { |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 1005 | kfree(lvds_encoder); |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 1006 | return; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1007 | } |
| 1008 | |
Ander Conselvan de Oliveira | 9bdbd0b | 2015-04-10 10:59:10 +0300 | [diff] [blame] | 1009 | if (intel_connector_init(&lvds_connector->base) < 0) { |
| 1010 | kfree(lvds_connector); |
| 1011 | kfree(lvds_encoder); |
| 1012 | return; |
| 1013 | } |
| 1014 | |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 1015 | lvds_encoder->attached_connector = lvds_connector; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 1016 | |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 1017 | intel_encoder = &lvds_encoder->base; |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 1018 | encoder = &intel_encoder->base; |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 1019 | intel_connector = &lvds_connector->base; |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 1020 | connector = &intel_connector->base; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 1021 | drm_connector_init(dev, &intel_connector->base, &intel_lvds_connector_funcs, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1022 | DRM_MODE_CONNECTOR_LVDS); |
| 1023 | |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 1024 | drm_encoder_init(dev, &intel_encoder->base, &intel_lvds_enc_funcs, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1025 | DRM_MODE_ENCODER_LVDS); |
| 1026 | |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 1027 | intel_encoder->enable = intel_enable_lvds; |
Daniel Vetter | f6736a1 | 2013-06-05 13:34:30 +0200 | [diff] [blame] | 1028 | intel_encoder->pre_enable = intel_pre_enable_lvds; |
Daniel Vetter | 7ae8923 | 2013-03-27 00:44:52 +0100 | [diff] [blame] | 1029 | intel_encoder->compute_config = intel_lvds_compute_config; |
Ville Syrjälä | d26a5b6 | 2015-07-02 17:42:46 +0300 | [diff] [blame] | 1030 | if (HAS_PCH_SPLIT(dev_priv)) { |
| 1031 | intel_encoder->disable = pch_disable_lvds; |
| 1032 | intel_encoder->post_disable = pch_post_disable_lvds; |
| 1033 | } else { |
| 1034 | intel_encoder->disable = gmch_disable_lvds; |
| 1035 | } |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 1036 | intel_encoder->get_hw_state = intel_lvds_get_hw_state; |
Jesse Barnes | 045ac3b | 2013-05-14 17:08:26 -0700 | [diff] [blame] | 1037 | intel_encoder->get_config = intel_lvds_get_config; |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 1038 | intel_connector->get_hw_state = intel_connector_get_hw_state; |
Imre Deak | 4932e2c | 2014-02-11 17:12:48 +0200 | [diff] [blame] | 1039 | intel_connector->unregister = intel_connector_unregister; |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 1040 | |
Chris Wilson | df0e924 | 2010-09-09 16:20:55 +0100 | [diff] [blame] | 1041 | intel_connector_attach_encoder(intel_connector, intel_encoder); |
Eric Anholt | 21d40d3 | 2010-03-25 11:11:14 -0700 | [diff] [blame] | 1042 | intel_encoder->type = INTEL_OUTPUT_LVDS; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1043 | |
Ville Syrjälä | bc079e8 | 2014-03-03 16:15:28 +0200 | [diff] [blame] | 1044 | intel_encoder->cloneable = 0; |
Jesse Barnes | 27f8227 | 2011-09-02 12:54:37 -0700 | [diff] [blame] | 1045 | if (HAS_PCH_SPLIT(dev)) |
| 1046 | intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2); |
Daniel Vetter | 0b9f43a | 2012-06-05 10:07:11 +0200 | [diff] [blame] | 1047 | else if (IS_GEN4(dev)) |
| 1048 | intel_encoder->crtc_mask = (1 << 0) | (1 << 1); |
Jesse Barnes | 27f8227 | 2011-09-02 12:54:37 -0700 | [diff] [blame] | 1049 | else |
| 1050 | intel_encoder->crtc_mask = (1 << 1); |
| 1051 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1052 | drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs); |
| 1053 | connector->display_info.subpixel_order = SubPixelHorizontalRGB; |
| 1054 | connector->interlace_allowed = false; |
| 1055 | connector->doublescan_allowed = false; |
| 1056 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 1057 | if (HAS_PCH_SPLIT(dev)) { |
| 1058 | lvds_encoder->reg = PCH_LVDS; |
| 1059 | } else { |
| 1060 | lvds_encoder->reg = LVDS; |
| 1061 | } |
| 1062 | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 1063 | /* create the scaling mode property */ |
| 1064 | drm_mode_create_scaling_mode_property(dev); |
Rob Clark | 662595d | 2012-10-11 20:36:04 -0500 | [diff] [blame] | 1065 | drm_object_attach_property(&connector->base, |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 1066 | dev->mode_config.scaling_mode_property, |
Jesse Barnes | dd1ea37 | 2010-06-24 11:05:10 -0700 | [diff] [blame] | 1067 | DRM_MODE_SCALE_ASPECT); |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 1068 | intel_connector->panel.fitting_mode = DRM_MODE_SCALE_ASPECT; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1069 | /* |
| 1070 | * LVDS discovery: |
| 1071 | * 1) check for EDID on DDC |
| 1072 | * 2) check for VBT data |
| 1073 | * 3) check to see if LVDS is already on |
| 1074 | * if none of the above, no panel |
| 1075 | * 4) make sure lid is open |
| 1076 | * if closed, act like it's not there for now |
| 1077 | */ |
| 1078 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1079 | /* |
| 1080 | * Attempt to get the fixed panel mode from DDC. Assume that the |
| 1081 | * preferred mode is the right one. |
| 1082 | */ |
Daniel Vetter | 4da9854 | 2014-03-21 23:22:35 +0100 | [diff] [blame] | 1083 | mutex_lock(&dev->mode_config.mutex); |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1084 | edid = drm_get_edid(connector, intel_gmbus_get_adapter(dev_priv, pin)); |
| 1085 | if (edid) { |
| 1086 | if (drm_add_edid_modes(connector, edid)) { |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 1087 | drm_mode_connector_update_edid_property(connector, |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1088 | edid); |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 1089 | } else { |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1090 | kfree(edid); |
| 1091 | edid = ERR_PTR(-EINVAL); |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 1092 | } |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1093 | } else { |
| 1094 | edid = ERR_PTR(-ENOENT); |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 1095 | } |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1096 | lvds_connector->base.edid = edid; |
| 1097 | |
| 1098 | if (IS_ERR_OR_NULL(edid)) { |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 1099 | /* Didn't get an EDID, so |
| 1100 | * Set wide sync ranges so we get all modes |
| 1101 | * handed to valid_mode for checking |
| 1102 | */ |
| 1103 | connector->display_info.min_vfreq = 0; |
| 1104 | connector->display_info.max_vfreq = 200; |
| 1105 | connector->display_info.min_hfreq = 0; |
| 1106 | connector->display_info.max_hfreq = 200; |
| 1107 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1108 | |
| 1109 | list_for_each_entry(scan, &connector->probed_modes, head) { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1110 | if (scan->type & DRM_MODE_TYPE_PREFERRED) { |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1111 | DRM_DEBUG_KMS("using preferred mode from EDID: "); |
| 1112 | drm_mode_debug_printmodeline(scan); |
| 1113 | |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1114 | fixed_mode = drm_mode_duplicate(dev, scan); |
Daniel Vetter | c329a4e | 2015-06-18 10:30:23 +0200 | [diff] [blame] | 1115 | if (fixed_mode) |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1116 | goto out; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1117 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1118 | } |
| 1119 | |
| 1120 | /* Failed to get EDID, what about VBT? */ |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 1121 | if (dev_priv->vbt.lfp_lvds_vbt_mode) { |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1122 | DRM_DEBUG_KMS("using mode from VBT: "); |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 1123 | drm_mode_debug_printmodeline(dev_priv->vbt.lfp_lvds_vbt_mode); |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1124 | |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 1125 | fixed_mode = drm_mode_duplicate(dev, dev_priv->vbt.lfp_lvds_vbt_mode); |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1126 | if (fixed_mode) { |
| 1127 | fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; |
Jesse Barnes | e285f3cd | 2009-01-14 10:53:36 -0800 | [diff] [blame] | 1128 | goto out; |
| 1129 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1130 | } |
| 1131 | |
| 1132 | /* |
| 1133 | * If we didn't get EDID, try checking if the panel is already turned |
| 1134 | * on. If so, assume that whatever is currently programmed is the |
| 1135 | * correct mode. |
| 1136 | */ |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 1137 | |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 1138 | /* Ironlake: FIXME if still fail, not try pipe mode now */ |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 1139 | if (HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 1140 | goto failed; |
| 1141 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1142 | lvds = I915_READ(LVDS); |
| 1143 | pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0; |
Chris Wilson | f875c15 | 2010-09-09 15:44:14 +0100 | [diff] [blame] | 1144 | crtc = intel_get_crtc_for_pipe(dev, pipe); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1145 | |
| 1146 | if (crtc && (lvds & LVDS_PORT_EN)) { |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1147 | fixed_mode = intel_crtc_mode_get(dev, crtc); |
| 1148 | if (fixed_mode) { |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1149 | DRM_DEBUG_KMS("using current (BIOS) mode: "); |
| 1150 | drm_mode_debug_printmodeline(fixed_mode); |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1151 | fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; |
Paul Collins | 565dcd4 | 2009-02-04 23:05:41 +1300 | [diff] [blame] | 1152 | goto out; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1153 | } |
| 1154 | } |
| 1155 | |
| 1156 | /* If we still don't have a mode after all that, give up. */ |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1157 | if (!fixed_mode) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1158 | goto failed; |
| 1159 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1160 | out: |
Daniel Vetter | 4da9854 | 2014-03-21 23:22:35 +0100 | [diff] [blame] | 1161 | mutex_unlock(&dev->mode_config.mutex); |
| 1162 | |
Lukas Wunner | 6f317cf | 2015-04-12 21:10:35 +0200 | [diff] [blame] | 1163 | intel_panel_init(&intel_connector->panel, fixed_mode, downclock_mode); |
| 1164 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 1165 | lvds_encoder->is_dual_link = compute_is_dual_link_lvds(lvds_encoder); |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 1166 | DRM_DEBUG_KMS("detected %s-link lvds configuration\n", |
| 1167 | lvds_encoder->is_dual_link ? "dual" : "single"); |
| 1168 | |
Paulo Zanoni | 1f835a7 | 2014-07-04 13:38:36 -0300 | [diff] [blame] | 1169 | lvds_encoder->a3_power = I915_READ(lvds_encoder->reg) & |
| 1170 | LVDS_A3_POWER_MASK; |
| 1171 | |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 1172 | lvds_connector->lid_notifier.notifier_call = intel_lid_notify; |
| 1173 | if (acpi_lid_notifier_register(&lvds_connector->lid_notifier)) { |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 1174 | DRM_DEBUG_KMS("lid notifier registration failed\n"); |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 1175 | lvds_connector->lid_notifier.notifier_call = NULL; |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 1176 | } |
Thomas Wood | 34ea3d3 | 2014-05-29 16:57:41 +0100 | [diff] [blame] | 1177 | drm_connector_register(connector); |
Matthew Garrett | aaa6fd2 | 2011-08-12 12:11:33 +0200 | [diff] [blame] | 1178 | |
Ville Syrjälä | 6517d27 | 2014-11-07 11:16:02 +0200 | [diff] [blame] | 1179 | intel_panel_setup_backlight(connector, INVALID_PIPE); |
Matthew Garrett | aaa6fd2 | 2011-08-12 12:11:33 +0200 | [diff] [blame] | 1180 | |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 1181 | return; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1182 | |
| 1183 | failed: |
Daniel Vetter | 4da9854 | 2014-03-21 23:22:35 +0100 | [diff] [blame] | 1184 | mutex_unlock(&dev->mode_config.mutex); |
| 1185 | |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 1186 | DRM_DEBUG_KMS("No LVDS modes found, disabling.\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1187 | drm_connector_cleanup(connector); |
Shaohua Li | 1991bdf | 2009-11-17 17:19:23 +0800 | [diff] [blame] | 1188 | drm_encoder_cleanup(encoder); |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 1189 | kfree(lvds_encoder); |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 1190 | kfree(lvds_connector); |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 1191 | return; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1192 | } |