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> |
| 35 | #include <drm/drm_crtc.h> |
| 36 | #include <drm/drm_edid.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 37 | #include "intel_drv.h" |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 38 | #include <drm/i915_drm.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 39 | #include "i915_drv.h" |
Zhao Yakui | e99da35 | 2009-06-26 09:46:18 +0800 | [diff] [blame] | 40 | #include <linux/acpi.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 41 | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 42 | /* Private structure for the integrated LVDS support */ |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 43 | struct intel_lvds_connector { |
| 44 | struct intel_connector base; |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 45 | |
| 46 | struct notifier_block lid_notifier; |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 47 | }; |
| 48 | |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 49 | struct intel_lvds_encoder { |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 50 | struct intel_encoder base; |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 51 | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 52 | u32 pfit_control; |
| 53 | u32 pfit_pgm_ratios; |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 54 | bool is_dual_link; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 55 | u32 reg; |
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); |
| 76 | u32 tmp; |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 77 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 78 | tmp = I915_READ(lvds_encoder->reg); |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 79 | |
| 80 | if (!(tmp & LVDS_PORT_EN)) |
| 81 | return false; |
| 82 | |
| 83 | if (HAS_PCH_CPT(dev)) |
| 84 | *pipe = PORT_TO_PIPE_CPT(tmp); |
| 85 | else |
| 86 | *pipe = PORT_TO_PIPE(tmp); |
| 87 | |
| 88 | return true; |
| 89 | } |
| 90 | |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 91 | /* The LVDS pin pair needs to be on before the DPLLs are enabled. |
| 92 | * This is an exception to the general rule that mode_set doesn't turn |
| 93 | * things on. |
| 94 | */ |
| 95 | static void intel_pre_pll_enable_lvds(struct intel_encoder *encoder) |
| 96 | { |
| 97 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
| 98 | struct drm_device *dev = encoder->base.dev; |
| 99 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 100 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); |
| 101 | struct drm_display_mode *fixed_mode = |
| 102 | lvds_encoder->attached_connector->base.panel.fixed_mode; |
| 103 | int pipe = intel_crtc->pipe; |
| 104 | u32 temp; |
| 105 | |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 106 | temp = I915_READ(lvds_encoder->reg); |
| 107 | temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP; |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 108 | |
| 109 | if (HAS_PCH_CPT(dev)) { |
| 110 | temp &= ~PORT_TRANS_SEL_MASK; |
| 111 | temp |= PORT_TRANS_SEL_CPT(pipe); |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 112 | } else { |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 113 | if (pipe == 1) { |
| 114 | temp |= LVDS_PIPEB_SELECT; |
| 115 | } else { |
| 116 | temp &= ~LVDS_PIPEB_SELECT; |
| 117 | } |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 118 | } |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 119 | |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 120 | /* set the corresponsding LVDS_BORDER bit */ |
| 121 | temp |= dev_priv->lvds_border_bits; |
| 122 | /* Set the B0-B3 data pairs corresponding to whether we're going to |
| 123 | * set the DPLLs for dual-channel mode or not. |
| 124 | */ |
| 125 | if (lvds_encoder->is_dual_link) |
| 126 | temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; |
| 127 | else |
| 128 | temp &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP); |
| 129 | |
| 130 | /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP) |
| 131 | * appropriately here, but we need to look more thoroughly into how |
| 132 | * panels behave in the two modes. |
| 133 | */ |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 134 | |
| 135 | /* Set the dithering flag on LVDS as needed, note that there is no |
| 136 | * special lvds dither control bit on pch-split platforms, dithering is |
| 137 | * only controlled through the PIPECONF reg. */ |
| 138 | if (INTEL_INFO(dev)->gen == 4) { |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 139 | if (dev_priv->lvds_dither) |
| 140 | temp |= LVDS_ENABLE_DITHER; |
| 141 | else |
| 142 | temp &= ~LVDS_ENABLE_DITHER; |
| 143 | } |
| 144 | temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY); |
| 145 | if (fixed_mode->flags & DRM_MODE_FLAG_NHSYNC) |
| 146 | temp |= LVDS_HSYNC_POLARITY; |
| 147 | if (fixed_mode->flags & DRM_MODE_FLAG_NVSYNC) |
| 148 | temp |= LVDS_VSYNC_POLARITY; |
| 149 | |
| 150 | I915_WRITE(lvds_encoder->reg, temp); |
| 151 | } |
| 152 | |
Mika Kuoppala | 9d6d9f1 | 2013-02-08 16:35:38 +0200 | [diff] [blame] | 153 | static void intel_pre_enable_lvds(struct intel_encoder *encoder) |
| 154 | { |
| 155 | struct drm_device *dev = encoder->base.dev; |
| 156 | struct intel_lvds_encoder *enc = to_lvds_encoder(&encoder->base); |
| 157 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 158 | |
| 159 | if (HAS_PCH_SPLIT(dev) || !enc->pfit_control) |
| 160 | return; |
| 161 | |
| 162 | /* |
| 163 | * Enable automatic panel scaling so that non-native modes |
| 164 | * fill the screen. The panel fitter should only be |
| 165 | * adjusted whilst the pipe is disabled, according to |
| 166 | * register description and PRM. |
| 167 | */ |
| 168 | DRM_DEBUG_KMS("applying panel-fitter: %x, %x\n", |
| 169 | enc->pfit_control, |
| 170 | enc->pfit_pgm_ratios); |
| 171 | |
| 172 | I915_WRITE(PFIT_PGM_RATIOS, enc->pfit_pgm_ratios); |
| 173 | I915_WRITE(PFIT_CONTROL, enc->pfit_control); |
| 174 | } |
| 175 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 176 | /** |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 177 | * Sets the power state for the panel. |
| 178 | */ |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 179 | static void intel_enable_lvds(struct intel_encoder *encoder) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 180 | { |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 181 | struct drm_device *dev = encoder->base.dev; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 182 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 183 | struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 184 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 185 | u32 ctl_reg, stat_reg; |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 186 | |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 187 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 188 | ctl_reg = PCH_PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 189 | stat_reg = PCH_PP_STATUS; |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 190 | } else { |
| 191 | ctl_reg = PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 192 | stat_reg = PP_STATUS; |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 193 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 194 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 195 | 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] | 196 | |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 197 | I915_WRITE(ctl_reg, I915_READ(ctl_reg) | POWER_TARGET_ON); |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 198 | POSTING_READ(lvds_encoder->reg); |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 199 | if (wait_for((I915_READ(stat_reg) & PP_ON) != 0, 1000)) |
| 200 | DRM_ERROR("timed out waiting for panel to power on\n"); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 201 | |
Daniel Vetter | 24ded20 | 2012-06-05 12:14:54 +0200 | [diff] [blame] | 202 | intel_panel_enable_backlight(dev, intel_crtc->pipe); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 203 | } |
| 204 | |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 205 | static void intel_disable_lvds(struct intel_encoder *encoder) |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 206 | { |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 207 | struct drm_device *dev = encoder->base.dev; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 208 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 209 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 210 | u32 ctl_reg, stat_reg; |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 211 | |
| 212 | if (HAS_PCH_SPLIT(dev)) { |
| 213 | ctl_reg = PCH_PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 214 | stat_reg = PCH_PP_STATUS; |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 215 | } else { |
| 216 | ctl_reg = PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 217 | stat_reg = PP_STATUS; |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 218 | } |
| 219 | |
Chris Wilson | 47356eb | 2011-01-11 17:06:04 +0000 | [diff] [blame] | 220 | intel_panel_disable_backlight(dev); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 221 | |
| 222 | I915_WRITE(ctl_reg, I915_READ(ctl_reg) & ~POWER_TARGET_ON); |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 223 | if (wait_for((I915_READ(stat_reg) & PP_ON) == 0, 1000)) |
| 224 | DRM_ERROR("timed out waiting for panel to power off\n"); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 225 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 226 | I915_WRITE(lvds_encoder->reg, I915_READ(lvds_encoder->reg) & ~LVDS_PORT_EN); |
| 227 | POSTING_READ(lvds_encoder->reg); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 228 | } |
| 229 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 230 | static int intel_lvds_mode_valid(struct drm_connector *connector, |
| 231 | struct drm_display_mode *mode) |
| 232 | { |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 233 | struct intel_connector *intel_connector = to_intel_connector(connector); |
| 234 | struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 235 | |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 236 | if (mode->hdisplay > fixed_mode->hdisplay) |
| 237 | return MODE_PANEL; |
| 238 | if (mode->vdisplay > fixed_mode->vdisplay) |
| 239 | return MODE_PANEL; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 240 | |
| 241 | return MODE_OK; |
| 242 | } |
| 243 | |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 244 | static void |
| 245 | centre_horizontally(struct drm_display_mode *mode, |
| 246 | int width) |
| 247 | { |
| 248 | u32 border, sync_pos, blank_width, sync_width; |
| 249 | |
| 250 | /* keep the hsync and hblank widths constant */ |
| 251 | sync_width = mode->crtc_hsync_end - mode->crtc_hsync_start; |
| 252 | blank_width = mode->crtc_hblank_end - mode->crtc_hblank_start; |
| 253 | sync_pos = (blank_width - sync_width + 1) / 2; |
| 254 | |
| 255 | border = (mode->hdisplay - width + 1) / 2; |
| 256 | border += border & 1; /* make the border even */ |
| 257 | |
| 258 | mode->crtc_hdisplay = width; |
| 259 | mode->crtc_hblank_start = width + border; |
| 260 | mode->crtc_hblank_end = mode->crtc_hblank_start + blank_width; |
| 261 | |
| 262 | mode->crtc_hsync_start = mode->crtc_hblank_start + sync_pos; |
| 263 | mode->crtc_hsync_end = mode->crtc_hsync_start + sync_width; |
Daniel Vetter | f9bef08 | 2012-04-15 19:53:19 +0200 | [diff] [blame] | 264 | |
| 265 | mode->private_flags |= INTEL_MODE_CRTC_TIMINGS_SET; |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 266 | } |
| 267 | |
| 268 | static void |
| 269 | centre_vertically(struct drm_display_mode *mode, |
| 270 | int height) |
| 271 | { |
| 272 | u32 border, sync_pos, blank_width, sync_width; |
| 273 | |
| 274 | /* keep the vsync and vblank widths constant */ |
| 275 | sync_width = mode->crtc_vsync_end - mode->crtc_vsync_start; |
| 276 | blank_width = mode->crtc_vblank_end - mode->crtc_vblank_start; |
| 277 | sync_pos = (blank_width - sync_width + 1) / 2; |
| 278 | |
| 279 | border = (mode->vdisplay - height + 1) / 2; |
| 280 | |
| 281 | mode->crtc_vdisplay = height; |
| 282 | mode->crtc_vblank_start = height + border; |
| 283 | mode->crtc_vblank_end = mode->crtc_vblank_start + blank_width; |
| 284 | |
| 285 | mode->crtc_vsync_start = mode->crtc_vblank_start + sync_pos; |
| 286 | mode->crtc_vsync_end = mode->crtc_vsync_start + sync_width; |
Daniel Vetter | f9bef08 | 2012-04-15 19:53:19 +0200 | [diff] [blame] | 287 | |
| 288 | mode->private_flags |= INTEL_MODE_CRTC_TIMINGS_SET; |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 289 | } |
| 290 | |
| 291 | static inline u32 panel_fitter_scaling(u32 source, u32 target) |
| 292 | { |
| 293 | /* |
| 294 | * Floating point operation is not supported. So the FACTOR |
| 295 | * is defined, which can avoid the floating point computation |
| 296 | * when calculating the panel ratio. |
| 297 | */ |
| 298 | #define ACCURACY 12 |
| 299 | #define FACTOR (1 << ACCURACY) |
| 300 | u32 ratio = source * FACTOR / target; |
| 301 | return (FACTOR * ratio + FACTOR/2) / FACTOR; |
| 302 | } |
| 303 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 304 | static bool intel_lvds_mode_fixup(struct drm_encoder *encoder, |
Laurent Pinchart | e811f5a | 2012-07-17 17:56:50 +0200 | [diff] [blame] | 305 | const struct drm_display_mode *mode, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 306 | struct drm_display_mode *adjusted_mode) |
| 307 | { |
| 308 | struct drm_device *dev = encoder->dev; |
| 309 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 310 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(encoder); |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 311 | struct intel_connector *intel_connector = |
| 312 | &lvds_encoder->attached_connector->base; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 313 | struct intel_crtc *intel_crtc = lvds_encoder->base.new_crtc; |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 314 | u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0; |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 315 | int pipe; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 316 | |
| 317 | /* Should never happen!! */ |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 318 | if (INTEL_INFO(dev)->gen < 4 && intel_crtc->pipe == 0) { |
Keith Packard | 1ae8c0a | 2009-06-28 15:42:17 -0700 | [diff] [blame] | 319 | DRM_ERROR("Can't support LVDS on pipe A\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 320 | return false; |
| 321 | } |
| 322 | |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 323 | if (intel_encoder_check_is_cloned(&lvds_encoder->base)) |
Daniel Vetter | e24c5c2 | 2012-07-08 20:17:15 +0200 | [diff] [blame] | 324 | return false; |
Chris Wilson | 1d8e1c7 | 2010-08-07 11:01:28 +0100 | [diff] [blame] | 325 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 326 | /* |
Chris Wilson | 7167704 | 2010-07-17 13:38:43 +0100 | [diff] [blame] | 327 | * We have timings from the BIOS for the panel, put them in |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 328 | * to the adjusted mode. The CRTC will be set up for this mode, |
| 329 | * with the panel scaling set up to source from the H/VDisplay |
| 330 | * of the original mode. |
| 331 | */ |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 332 | intel_fixed_panel_mode(intel_connector->panel.fixed_mode, |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 333 | adjusted_mode); |
Chris Wilson | 1d8e1c7 | 2010-08-07 11:01:28 +0100 | [diff] [blame] | 334 | |
| 335 | if (HAS_PCH_SPLIT(dev)) { |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 336 | intel_pch_panel_fitting(dev, |
| 337 | intel_connector->panel.fitting_mode, |
Chris Wilson | 1d8e1c7 | 2010-08-07 11:01:28 +0100 | [diff] [blame] | 338 | mode, adjusted_mode); |
| 339 | return true; |
| 340 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 341 | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 342 | /* Native modes don't need fitting */ |
| 343 | if (adjusted_mode->hdisplay == mode->hdisplay && |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 344 | adjusted_mode->vdisplay == mode->vdisplay) |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 345 | goto out; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 346 | |
| 347 | /* 965+ wants fuzzy fitting */ |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 348 | if (INTEL_INFO(dev)->gen >= 4) |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 349 | pfit_control |= ((intel_crtc->pipe << PFIT_PIPE_SHIFT) | |
| 350 | PFIT_FILTER_FUZZY); |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 351 | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 352 | /* |
| 353 | * Enable automatic panel scaling for non-native modes so that they fill |
| 354 | * the screen. Should be enabled before the pipe is enabled, according |
| 355 | * to register description and PRM. |
| 356 | * Change the value here to see the borders for debugging |
| 357 | */ |
Jesse Barnes | 9db4a9c | 2011-02-07 12:26:52 -0800 | [diff] [blame] | 358 | for_each_pipe(pipe) |
| 359 | I915_WRITE(BCLRPAT(pipe), 0); |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 360 | |
Daniel Vetter | f9bef08 | 2012-04-15 19:53:19 +0200 | [diff] [blame] | 361 | drm_mode_set_crtcinfo(adjusted_mode, 0); |
| 362 | |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 363 | switch (intel_connector->panel.fitting_mode) { |
Jesse Barnes | 53bd838 | 2009-07-01 10:04:40 -0700 | [diff] [blame] | 364 | case DRM_MODE_SCALE_CENTER: |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 365 | /* |
| 366 | * For centered modes, we have to calculate border widths & |
| 367 | * heights and modify the values programmed into the CRTC. |
| 368 | */ |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 369 | centre_horizontally(adjusted_mode, mode->hdisplay); |
| 370 | centre_vertically(adjusted_mode, mode->vdisplay); |
| 371 | border = LVDS_BORDER_ENABLE; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 372 | break; |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 373 | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 374 | case DRM_MODE_SCALE_ASPECT: |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 375 | /* Scale but preserve the aspect ratio */ |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 376 | if (INTEL_INFO(dev)->gen >= 4) { |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 377 | u32 scaled_width = adjusted_mode->hdisplay * mode->vdisplay; |
| 378 | u32 scaled_height = mode->hdisplay * adjusted_mode->vdisplay; |
| 379 | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 380 | /* 965+ is easy, it does everything in hw */ |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 381 | if (scaled_width > scaled_height) |
Chris Wilson | 257e48f | 2010-11-29 16:19:24 +0000 | [diff] [blame] | 382 | pfit_control |= PFIT_ENABLE | PFIT_SCALING_PILLAR; |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 383 | else if (scaled_width < scaled_height) |
Chris Wilson | 257e48f | 2010-11-29 16:19:24 +0000 | [diff] [blame] | 384 | pfit_control |= PFIT_ENABLE | PFIT_SCALING_LETTER; |
| 385 | else if (adjusted_mode->hdisplay != mode->hdisplay) |
| 386 | pfit_control |= PFIT_ENABLE | PFIT_SCALING_AUTO; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 387 | } else { |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 388 | u32 scaled_width = adjusted_mode->hdisplay * mode->vdisplay; |
| 389 | u32 scaled_height = mode->hdisplay * adjusted_mode->vdisplay; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 390 | /* |
| 391 | * For earlier chips we have to calculate the scaling |
| 392 | * ratio by hand and program it into the |
| 393 | * PFIT_PGM_RATIO register |
| 394 | */ |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 395 | if (scaled_width > scaled_height) { /* pillar */ |
| 396 | centre_horizontally(adjusted_mode, scaled_height / mode->vdisplay); |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 397 | |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 398 | border = LVDS_BORDER_ENABLE; |
| 399 | if (mode->vdisplay != adjusted_mode->vdisplay) { |
| 400 | u32 bits = panel_fitter_scaling(mode->vdisplay, adjusted_mode->vdisplay); |
| 401 | pfit_pgm_ratios |= (bits << PFIT_HORIZ_SCALE_SHIFT | |
| 402 | bits << PFIT_VERT_SCALE_SHIFT); |
| 403 | pfit_control |= (PFIT_ENABLE | |
| 404 | VERT_INTERP_BILINEAR | |
| 405 | HORIZ_INTERP_BILINEAR); |
| 406 | } |
| 407 | } else if (scaled_width < scaled_height) { /* letter */ |
| 408 | centre_vertically(adjusted_mode, scaled_width / mode->hdisplay); |
| 409 | |
| 410 | border = LVDS_BORDER_ENABLE; |
| 411 | if (mode->hdisplay != adjusted_mode->hdisplay) { |
| 412 | u32 bits = panel_fitter_scaling(mode->hdisplay, adjusted_mode->hdisplay); |
| 413 | pfit_pgm_ratios |= (bits << PFIT_HORIZ_SCALE_SHIFT | |
| 414 | bits << PFIT_VERT_SCALE_SHIFT); |
| 415 | pfit_control |= (PFIT_ENABLE | |
| 416 | VERT_INTERP_BILINEAR | |
| 417 | HORIZ_INTERP_BILINEAR); |
| 418 | } |
| 419 | } else |
| 420 | /* Aspects match, Let hw scale both directions */ |
| 421 | pfit_control |= (PFIT_ENABLE | |
| 422 | VERT_AUTO_SCALE | HORIZ_AUTO_SCALE | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 423 | VERT_INTERP_BILINEAR | |
| 424 | HORIZ_INTERP_BILINEAR); |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 425 | } |
| 426 | break; |
| 427 | |
| 428 | case DRM_MODE_SCALE_FULLSCREEN: |
| 429 | /* |
| 430 | * Full scaling, even if it changes the aspect ratio. |
| 431 | * Fortunately this is all done for us in hw. |
| 432 | */ |
Chris Wilson | 257e48f | 2010-11-29 16:19:24 +0000 | [diff] [blame] | 433 | if (mode->vdisplay != adjusted_mode->vdisplay || |
| 434 | mode->hdisplay != adjusted_mode->hdisplay) { |
| 435 | pfit_control |= PFIT_ENABLE; |
| 436 | if (INTEL_INFO(dev)->gen >= 4) |
| 437 | pfit_control |= PFIT_SCALING_AUTO; |
| 438 | else |
| 439 | pfit_control |= (VERT_AUTO_SCALE | |
| 440 | VERT_INTERP_BILINEAR | |
| 441 | HORIZ_AUTO_SCALE | |
| 442 | HORIZ_INTERP_BILINEAR); |
| 443 | } |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 444 | break; |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 445 | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 446 | default: |
| 447 | break; |
| 448 | } |
| 449 | |
| 450 | out: |
Chris Wilson | 72389a3 | 2011-02-06 15:50:52 +0000 | [diff] [blame] | 451 | /* If not enabling scaling, be consistent and always use 0. */ |
Chris Wilson | bee17e5 | 2011-01-11 18:09:58 +0000 | [diff] [blame] | 452 | if ((pfit_control & PFIT_ENABLE) == 0) { |
| 453 | pfit_control = 0; |
| 454 | pfit_pgm_ratios = 0; |
| 455 | } |
Chris Wilson | 72389a3 | 2011-02-06 15:50:52 +0000 | [diff] [blame] | 456 | |
| 457 | /* Make sure pre-965 set dither correctly */ |
| 458 | if (INTEL_INFO(dev)->gen < 4 && dev_priv->lvds_dither) |
| 459 | pfit_control |= PANEL_8TO6_DITHER_ENABLE; |
| 460 | |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 461 | if (pfit_control != lvds_encoder->pfit_control || |
| 462 | pfit_pgm_ratios != lvds_encoder->pfit_pgm_ratios) { |
| 463 | lvds_encoder->pfit_control = pfit_control; |
| 464 | lvds_encoder->pfit_pgm_ratios = pfit_pgm_ratios; |
Chris Wilson | e9e331a | 2010-09-13 01:16:10 +0100 | [diff] [blame] | 465 | } |
Chris Wilson | 49be663 | 2010-07-18 12:05:54 +0100 | [diff] [blame] | 466 | dev_priv->lvds_border_bits = border; |
| 467 | |
Zhao Yakui | a3e17eb | 2009-10-10 10:42:37 +0800 | [diff] [blame] | 468 | /* |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 469 | * XXX: It would be nice to support lower refresh rates on the |
| 470 | * panels to reduce power consumption, and perhaps match the |
| 471 | * user's requested refresh rate. |
| 472 | */ |
| 473 | |
| 474 | return true; |
| 475 | } |
| 476 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 477 | static void intel_lvds_mode_set(struct drm_encoder *encoder, |
| 478 | struct drm_display_mode *mode, |
| 479 | struct drm_display_mode *adjusted_mode) |
| 480 | { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 481 | /* |
| 482 | * The LVDS pin pair will already have been turned on in the |
| 483 | * intel_crtc_mode_set since it has a large impact on the DPLL |
| 484 | * settings. |
| 485 | */ |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 486 | } |
| 487 | |
| 488 | /** |
| 489 | * Detect the LVDS connection. |
| 490 | * |
Jesse Barnes | b42d4c5 | 2009-09-10 15:28:04 -0700 | [diff] [blame] | 491 | * Since LVDS doesn't have hotlug, we use the lid as a proxy. Open means |
| 492 | * connected and closed means disconnected. We also send hotplug events as |
| 493 | * needed, using lid status notification from the input layer. |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 494 | */ |
Chris Wilson | 7b334fc | 2010-09-09 23:51:02 +0100 | [diff] [blame] | 495 | static enum drm_connector_status |
Chris Wilson | 930a9e2 | 2010-09-14 11:07:23 +0100 | [diff] [blame] | 496 | intel_lvds_detect(struct drm_connector *connector, bool force) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 497 | { |
Jesse Barnes | 7b9c5ab | 2010-02-12 09:30:00 -0800 | [diff] [blame] | 498 | struct drm_device *dev = connector->dev; |
Chris Wilson | 6ee3b5a | 2011-03-24 13:26:43 +0000 | [diff] [blame] | 499 | enum drm_connector_status status; |
Jesse Barnes | b42d4c5 | 2009-09-10 15:28:04 -0700 | [diff] [blame] | 500 | |
Chris Wilson | fe16d94 | 2011-02-12 10:29:38 +0000 | [diff] [blame] | 501 | status = intel_panel_detect(dev); |
| 502 | if (status != connector_status_unknown) |
| 503 | return status; |
Chris Wilson | 01fe9db | 2011-01-16 19:37:30 +0000 | [diff] [blame] | 504 | |
Chris Wilson | 6ee3b5a | 2011-03-24 13:26:43 +0000 | [diff] [blame] | 505 | return connector_status_connected; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 506 | } |
| 507 | |
| 508 | /** |
| 509 | * Return the list of DDC modes if available, or the BIOS fixed mode otherwise. |
| 510 | */ |
| 511 | static int intel_lvds_get_modes(struct drm_connector *connector) |
| 512 | { |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 513 | struct intel_lvds_connector *lvds_connector = to_lvds_connector(connector); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 514 | struct drm_device *dev = connector->dev; |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 515 | struct drm_display_mode *mode; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 516 | |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 517 | /* use cached edid if we have one */ |
Chris Wilson | 2aa4f09 | 2012-11-21 16:14:04 +0000 | [diff] [blame] | 518 | if (!IS_ERR_OR_NULL(lvds_connector->base.edid)) |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 519 | return drm_add_edid_modes(connector, lvds_connector->base.edid); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 520 | |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 521 | mode = drm_mode_duplicate(dev, lvds_connector->base.panel.fixed_mode); |
Chris Wilson | 311bd68 | 2011-01-13 19:06:50 +0000 | [diff] [blame] | 522 | if (mode == NULL) |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 523 | return 0; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 524 | |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 525 | drm_mode_probed_add(connector, mode); |
| 526 | return 1; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 527 | } |
| 528 | |
Thomas Bächler | 0544edf | 2010-07-02 10:44:23 +0200 | [diff] [blame] | 529 | static int intel_no_modeset_on_lid_dmi_callback(const struct dmi_system_id *id) |
| 530 | { |
Daniel Vetter | bc0daf4 | 2012-04-01 13:16:49 +0200 | [diff] [blame] | 531 | DRM_INFO("Skipping forced modeset for %s\n", id->ident); |
Thomas Bächler | 0544edf | 2010-07-02 10:44:23 +0200 | [diff] [blame] | 532 | return 1; |
| 533 | } |
| 534 | |
| 535 | /* The GPU hangs up on these systems if modeset is performed on LID open */ |
| 536 | static const struct dmi_system_id intel_no_modeset_on_lid[] = { |
| 537 | { |
| 538 | .callback = intel_no_modeset_on_lid_dmi_callback, |
| 539 | .ident = "Toshiba Tecra A11", |
| 540 | .matches = { |
| 541 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 542 | DMI_MATCH(DMI_PRODUCT_NAME, "TECRA A11"), |
| 543 | }, |
| 544 | }, |
| 545 | |
| 546 | { } /* terminating entry */ |
| 547 | }; |
| 548 | |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 549 | /* |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 550 | * Lid events. Note the use of 'modeset': |
| 551 | * - we set it to MODESET_ON_LID_OPEN on lid close, |
| 552 | * and set it to MODESET_DONE on open |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 553 | * - we use it as a "only once" bit (ie we ignore |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 554 | * duplicate events where it was already properly set) |
| 555 | * - the suspend/resume paths will set it to |
| 556 | * MODESET_SUSPENDED and ignore the lid open event, |
| 557 | * because they restore the mode ("lid open"). |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 558 | */ |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 559 | static int intel_lid_notify(struct notifier_block *nb, unsigned long val, |
| 560 | void *unused) |
| 561 | { |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 562 | struct intel_lvds_connector *lvds_connector = |
| 563 | container_of(nb, struct intel_lvds_connector, lid_notifier); |
| 564 | struct drm_connector *connector = &lvds_connector->base.base; |
| 565 | struct drm_device *dev = connector->dev; |
| 566 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 567 | |
Alex Williamson | 2fb4e61 | 2011-04-21 16:08:14 -0600 | [diff] [blame] | 568 | if (dev->switch_power_state != DRM_SWITCH_POWER_ON) |
| 569 | return NOTIFY_OK; |
| 570 | |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 571 | mutex_lock(&dev_priv->modeset_restore_lock); |
| 572 | if (dev_priv->modeset_restore == MODESET_SUSPENDED) |
| 573 | goto exit; |
Zhao Yakui | a256537 | 2009-12-11 09:26:11 +0800 | [diff] [blame] | 574 | /* |
| 575 | * check and update the status of LVDS connector after receiving |
| 576 | * the LID nofication event. |
| 577 | */ |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 578 | connector->status = connector->funcs->detect(connector, false); |
Chris Wilson | 7b334fc | 2010-09-09 23:51:02 +0100 | [diff] [blame] | 579 | |
Thomas Bächler | 0544edf | 2010-07-02 10:44:23 +0200 | [diff] [blame] | 580 | /* Don't force modeset on machines where it causes a GPU lockup */ |
| 581 | if (dmi_check_system(intel_no_modeset_on_lid)) |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 582 | goto exit; |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 583 | if (!acpi_lid_open()) { |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 584 | /* do modeset on next lid open event */ |
| 585 | dev_priv->modeset_restore = MODESET_ON_LID_OPEN; |
| 586 | goto exit; |
Jesse Barnes | 06891e2 | 2009-09-14 10:58:48 -0700 | [diff] [blame] | 587 | } |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 588 | |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 589 | if (dev_priv->modeset_restore == MODESET_DONE) |
| 590 | goto exit; |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 591 | |
Daniel Vetter | a0e99e6 | 2012-12-02 01:05:46 +0100 | [diff] [blame] | 592 | drm_modeset_lock_all(dev); |
Daniel Vetter | 45e2b5f | 2012-11-23 18:16:34 +0100 | [diff] [blame] | 593 | intel_modeset_setup_hw_state(dev, true); |
Daniel Vetter | a0e99e6 | 2012-12-02 01:05:46 +0100 | [diff] [blame] | 594 | drm_modeset_unlock_all(dev); |
Jesse Barnes | 0632419 | 2009-09-10 15:28:05 -0700 | [diff] [blame] | 595 | |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 596 | dev_priv->modeset_restore = MODESET_DONE; |
| 597 | |
| 598 | exit: |
| 599 | mutex_unlock(&dev_priv->modeset_restore_lock); |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 600 | return NOTIFY_OK; |
| 601 | } |
| 602 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 603 | /** |
| 604 | * intel_lvds_destroy - unregister and free LVDS structures |
| 605 | * @connector: connector to free |
| 606 | * |
| 607 | * Unregister the DDC bus for this connector then free the driver private |
| 608 | * structure. |
| 609 | */ |
| 610 | static void intel_lvds_destroy(struct drm_connector *connector) |
| 611 | { |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 612 | struct intel_lvds_connector *lvds_connector = |
| 613 | to_lvds_connector(connector); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 614 | |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 615 | if (lvds_connector->lid_notifier.notifier_call) |
| 616 | acpi_lid_notifier_unregister(&lvds_connector->lid_notifier); |
Matthew Garrett | aaa6fd2 | 2011-08-12 12:11:33 +0200 | [diff] [blame] | 617 | |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 618 | if (!IS_ERR_OR_NULL(lvds_connector->base.edid)) |
| 619 | kfree(lvds_connector->base.edid); |
| 620 | |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 621 | intel_panel_destroy_backlight(connector->dev); |
Jani Nikula | 1d50870 | 2012-10-19 14:51:49 +0300 | [diff] [blame] | 622 | intel_panel_fini(&lvds_connector->base.panel); |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 623 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 624 | drm_sysfs_connector_remove(connector); |
| 625 | drm_connector_cleanup(connector); |
| 626 | kfree(connector); |
| 627 | } |
| 628 | |
Jesse Barnes | 335041e | 2009-01-22 22:22:06 +1000 | [diff] [blame] | 629 | static int intel_lvds_set_property(struct drm_connector *connector, |
| 630 | struct drm_property *property, |
| 631 | uint64_t value) |
| 632 | { |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 633 | struct intel_connector *intel_connector = to_intel_connector(connector); |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 634 | struct drm_device *dev = connector->dev; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 635 | |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 636 | if (property == dev->mode_config.scaling_mode_property) { |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 637 | struct drm_crtc *crtc; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 638 | |
Jesse Barnes | 53bd838 | 2009-07-01 10:04:40 -0700 | [diff] [blame] | 639 | if (value == DRM_MODE_SCALE_NONE) { |
| 640 | DRM_DEBUG_KMS("no scaling not supported\n"); |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 641 | return -EINVAL; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 642 | } |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 643 | |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 644 | if (intel_connector->panel.fitting_mode == value) { |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 645 | /* the LVDS scaling property is not changed */ |
| 646 | return 0; |
| 647 | } |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 648 | intel_connector->panel.fitting_mode = value; |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 649 | |
| 650 | crtc = intel_attached_encoder(connector)->base.crtc; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 651 | if (crtc && crtc->enabled) { |
| 652 | /* |
| 653 | * If the CRTC is enabled, the display will be changed |
| 654 | * according to the new panel fitting mode. |
| 655 | */ |
Chris Wilson | c0c36b94 | 2012-12-19 16:08:43 +0000 | [diff] [blame] | 656 | intel_crtc_restore_mode(crtc); |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 657 | } |
| 658 | } |
| 659 | |
Jesse Barnes | 335041e | 2009-01-22 22:22:06 +1000 | [diff] [blame] | 660 | return 0; |
| 661 | } |
| 662 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 663 | static const struct drm_encoder_helper_funcs intel_lvds_helper_funcs = { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 664 | .mode_fixup = intel_lvds_mode_fixup, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 665 | .mode_set = intel_lvds_mode_set, |
Daniel Vetter | 1f70385 | 2012-07-11 16:51:39 +0200 | [diff] [blame] | 666 | .disable = intel_encoder_noop, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 667 | }; |
| 668 | |
| 669 | static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs = { |
| 670 | .get_modes = intel_lvds_get_modes, |
| 671 | .mode_valid = intel_lvds_mode_valid, |
Chris Wilson | df0e924 | 2010-09-09 16:20:55 +0100 | [diff] [blame] | 672 | .best_encoder = intel_best_encoder, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 673 | }; |
| 674 | |
| 675 | static const struct drm_connector_funcs intel_lvds_connector_funcs = { |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 676 | .dpms = intel_connector_dpms, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 677 | .detect = intel_lvds_detect, |
| 678 | .fill_modes = drm_helper_probe_single_connector_modes, |
Jesse Barnes | 335041e | 2009-01-22 22:22:06 +1000 | [diff] [blame] | 679 | .set_property = intel_lvds_set_property, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 680 | .destroy = intel_lvds_destroy, |
| 681 | }; |
| 682 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 683 | static const struct drm_encoder_funcs intel_lvds_enc_funcs = { |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 684 | .destroy = intel_encoder_destroy, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 685 | }; |
| 686 | |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 687 | static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id) |
| 688 | { |
Daniel Vetter | bc0daf4 | 2012-04-01 13:16:49 +0200 | [diff] [blame] | 689 | DRM_INFO("Skipping LVDS initialization for %s\n", id->ident); |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 690 | return 1; |
| 691 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 692 | |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 693 | /* These systems claim to have LVDS, but really don't */ |
Jaswinder Singh Rajput | 93c05f2 | 2009-06-04 09:41:19 +1000 | [diff] [blame] | 694 | static const struct dmi_system_id intel_no_lvds[] = { |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 695 | { |
| 696 | .callback = intel_no_lvds_dmi_callback, |
| 697 | .ident = "Apple Mac Mini (Core series)", |
| 698 | .matches = { |
Keith Packard | 98acd46 | 2009-06-14 12:31:58 -0700 | [diff] [blame] | 699 | DMI_MATCH(DMI_SYS_VENDOR, "Apple"), |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 700 | DMI_MATCH(DMI_PRODUCT_NAME, "Macmini1,1"), |
| 701 | }, |
| 702 | }, |
| 703 | { |
| 704 | .callback = intel_no_lvds_dmi_callback, |
| 705 | .ident = "Apple Mac Mini (Core 2 series)", |
| 706 | .matches = { |
Keith Packard | 98acd46 | 2009-06-14 12:31:58 -0700 | [diff] [blame] | 707 | DMI_MATCH(DMI_SYS_VENDOR, "Apple"), |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 708 | DMI_MATCH(DMI_PRODUCT_NAME, "Macmini2,1"), |
| 709 | }, |
| 710 | }, |
| 711 | { |
| 712 | .callback = intel_no_lvds_dmi_callback, |
| 713 | .ident = "MSI IM-945GSE-A", |
| 714 | .matches = { |
| 715 | DMI_MATCH(DMI_SYS_VENDOR, "MSI"), |
| 716 | DMI_MATCH(DMI_PRODUCT_NAME, "A9830IMS"), |
| 717 | }, |
| 718 | }, |
| 719 | { |
| 720 | .callback = intel_no_lvds_dmi_callback, |
| 721 | .ident = "Dell Studio Hybrid", |
| 722 | .matches = { |
| 723 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
| 724 | DMI_MATCH(DMI_PRODUCT_NAME, "Studio Hybrid 140g"), |
| 725 | }, |
| 726 | }, |
Jarod Wilson | 70aa96c | 2009-05-27 17:20:39 -0400 | [diff] [blame] | 727 | { |
| 728 | .callback = intel_no_lvds_dmi_callback, |
Pieterjan Camerlynck | b066254 | 2011-07-26 16:23:54 +0200 | [diff] [blame] | 729 | .ident = "Dell OptiPlex FX170", |
| 730 | .matches = { |
| 731 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
| 732 | DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex FX170"), |
| 733 | }, |
| 734 | }, |
| 735 | { |
| 736 | .callback = intel_no_lvds_dmi_callback, |
Jarod Wilson | 70aa96c | 2009-05-27 17:20:39 -0400 | [diff] [blame] | 737 | .ident = "AOpen Mini PC", |
| 738 | .matches = { |
| 739 | DMI_MATCH(DMI_SYS_VENDOR, "AOpen"), |
| 740 | DMI_MATCH(DMI_PRODUCT_NAME, "i965GMx-IF"), |
| 741 | }, |
| 742 | }, |
Michael Cousin | fa0864b | 2009-06-05 21:16:22 +0200 | [diff] [blame] | 743 | { |
| 744 | .callback = intel_no_lvds_dmi_callback, |
Tormod Volden | ed8c754 | 2009-07-13 22:26:48 +0200 | [diff] [blame] | 745 | .ident = "AOpen Mini PC MP915", |
| 746 | .matches = { |
| 747 | DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"), |
| 748 | DMI_MATCH(DMI_BOARD_NAME, "i915GMx-F"), |
| 749 | }, |
| 750 | }, |
| 751 | { |
| 752 | .callback = intel_no_lvds_dmi_callback, |
Knut Petersen | 22ab70d | 2011-01-14 15:38:10 +0000 | [diff] [blame] | 753 | .ident = "AOpen i915GMm-HFS", |
| 754 | .matches = { |
| 755 | DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"), |
| 756 | DMI_MATCH(DMI_BOARD_NAME, "i915GMm-HFS"), |
| 757 | }, |
| 758 | }, |
| 759 | { |
| 760 | .callback = intel_no_lvds_dmi_callback, |
Daniel Vetter | e57b688 | 2012-02-08 16:42:52 +0100 | [diff] [blame] | 761 | .ident = "AOpen i45GMx-I", |
| 762 | .matches = { |
| 763 | DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"), |
| 764 | DMI_MATCH(DMI_BOARD_NAME, "i45GMx-I"), |
| 765 | }, |
| 766 | }, |
| 767 | { |
| 768 | .callback = intel_no_lvds_dmi_callback, |
Michael Cousin | fa0864b | 2009-06-05 21:16:22 +0200 | [diff] [blame] | 769 | .ident = "Aopen i945GTt-VFA", |
| 770 | .matches = { |
| 771 | DMI_MATCH(DMI_PRODUCT_VERSION, "AO00001JW"), |
| 772 | }, |
| 773 | }, |
Stefan Bader | 9875557ee8 | 2010-03-29 17:53:12 +0200 | [diff] [blame] | 774 | { |
| 775 | .callback = intel_no_lvds_dmi_callback, |
| 776 | .ident = "Clientron U800", |
| 777 | .matches = { |
| 778 | DMI_MATCH(DMI_SYS_VENDOR, "Clientron"), |
| 779 | DMI_MATCH(DMI_PRODUCT_NAME, "U800"), |
| 780 | }, |
| 781 | }, |
Hans de Goede | 6a574b5 | 2011-06-04 15:39:21 +0200 | [diff] [blame] | 782 | { |
Joel Sass | 44306ab | 2012-01-10 13:03:55 -0500 | [diff] [blame] | 783 | .callback = intel_no_lvds_dmi_callback, |
| 784 | .ident = "Clientron E830", |
| 785 | .matches = { |
| 786 | DMI_MATCH(DMI_SYS_VENDOR, "Clientron"), |
| 787 | DMI_MATCH(DMI_PRODUCT_NAME, "E830"), |
| 788 | }, |
| 789 | }, |
| 790 | { |
Hans de Goede | 6a574b5 | 2011-06-04 15:39:21 +0200 | [diff] [blame] | 791 | .callback = intel_no_lvds_dmi_callback, |
| 792 | .ident = "Asus EeeBox PC EB1007", |
| 793 | .matches = { |
| 794 | DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), |
| 795 | DMI_MATCH(DMI_PRODUCT_NAME, "EB1007"), |
| 796 | }, |
| 797 | }, |
Adam Jackson | 0999bbe | 2011-11-28 12:22:56 -0500 | [diff] [blame] | 798 | { |
| 799 | .callback = intel_no_lvds_dmi_callback, |
| 800 | .ident = "Asus AT5NM10T-I", |
| 801 | .matches = { |
| 802 | DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), |
| 803 | DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"), |
| 804 | }, |
| 805 | }, |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 806 | { |
| 807 | .callback = intel_no_lvds_dmi_callback, |
Jan-Benedict Glaw | 3347111 | 2012-05-22 15:21:53 +0200 | [diff] [blame] | 808 | .ident = "Hewlett-Packard HP t5740e Thin Client", |
| 809 | .matches = { |
| 810 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
| 811 | DMI_MATCH(DMI_PRODUCT_NAME, "HP t5740e Thin Client"), |
| 812 | }, |
| 813 | }, |
| 814 | { |
| 815 | .callback = intel_no_lvds_dmi_callback, |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 816 | .ident = "Hewlett-Packard t5745", |
| 817 | .matches = { |
| 818 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
Marc Gariepy | 6200497 | 2012-05-01 13:37:57 -0400 | [diff] [blame] | 819 | DMI_MATCH(DMI_PRODUCT_NAME, "hp t5745"), |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 820 | }, |
| 821 | }, |
| 822 | { |
| 823 | .callback = intel_no_lvds_dmi_callback, |
| 824 | .ident = "Hewlett-Packard st5747", |
| 825 | .matches = { |
| 826 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
Marc Gariepy | 6200497 | 2012-05-01 13:37:57 -0400 | [diff] [blame] | 827 | DMI_MATCH(DMI_PRODUCT_NAME, "hp st5747"), |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 828 | }, |
| 829 | }, |
Anisse Astier | 97effad | 2012-03-07 18:36:35 +0100 | [diff] [blame] | 830 | { |
| 831 | .callback = intel_no_lvds_dmi_callback, |
| 832 | .ident = "MSI Wind Box DC500", |
| 833 | .matches = { |
| 834 | DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"), |
| 835 | DMI_MATCH(DMI_BOARD_NAME, "MS-7469"), |
| 836 | }, |
| 837 | }, |
Sjoerd Simons | 9756fe3 | 2012-06-22 09:43:07 +0200 | [diff] [blame] | 838 | { |
| 839 | .callback = intel_no_lvds_dmi_callback, |
Calvin Walton | a51d4ed | 2012-08-24 07:56:31 -0400 | [diff] [blame] | 840 | .ident = "Gigabyte GA-D525TUD", |
| 841 | .matches = { |
| 842 | DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co., Ltd."), |
| 843 | DMI_MATCH(DMI_BOARD_NAME, "D525TUD"), |
| 844 | }, |
| 845 | }, |
Chris Wilson | c31407a | 2012-10-18 21:07:01 +0100 | [diff] [blame] | 846 | { |
| 847 | .callback = intel_no_lvds_dmi_callback, |
| 848 | .ident = "Supermicro X7SPA-H", |
| 849 | .matches = { |
| 850 | DMI_MATCH(DMI_SYS_VENDOR, "Supermicro"), |
| 851 | DMI_MATCH(DMI_PRODUCT_NAME, "X7SPA-H"), |
| 852 | }, |
| 853 | }, |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 854 | |
| 855 | { } /* terminating entry */ |
| 856 | }; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 857 | |
| 858 | /** |
Zhao Yakui | 18f9ed1 | 2009-11-20 03:24:16 +0000 | [diff] [blame] | 859 | * intel_find_lvds_downclock - find the reduced downclock for LVDS in EDID |
| 860 | * @dev: drm device |
| 861 | * @connector: LVDS connector |
| 862 | * |
| 863 | * Find the reduced downclock for LVDS in EDID. |
| 864 | */ |
| 865 | static void intel_find_lvds_downclock(struct drm_device *dev, |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 866 | struct drm_display_mode *fixed_mode, |
| 867 | struct drm_connector *connector) |
Zhao Yakui | 18f9ed1 | 2009-11-20 03:24:16 +0000 | [diff] [blame] | 868 | { |
| 869 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 870 | struct drm_display_mode *scan; |
Zhao Yakui | 18f9ed1 | 2009-11-20 03:24:16 +0000 | [diff] [blame] | 871 | int temp_downclock; |
| 872 | |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 873 | temp_downclock = fixed_mode->clock; |
Zhao Yakui | 18f9ed1 | 2009-11-20 03:24:16 +0000 | [diff] [blame] | 874 | list_for_each_entry(scan, &connector->probed_modes, head) { |
| 875 | /* |
| 876 | * If one mode has the same resolution with the fixed_panel |
| 877 | * mode while they have the different refresh rate, it means |
| 878 | * that the reduced downclock is found for the LVDS. In such |
| 879 | * case we can set the different FPx0/1 to dynamically select |
| 880 | * between low and high frequency. |
| 881 | */ |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 882 | if (scan->hdisplay == fixed_mode->hdisplay && |
| 883 | scan->hsync_start == fixed_mode->hsync_start && |
| 884 | scan->hsync_end == fixed_mode->hsync_end && |
| 885 | scan->htotal == fixed_mode->htotal && |
| 886 | scan->vdisplay == fixed_mode->vdisplay && |
| 887 | scan->vsync_start == fixed_mode->vsync_start && |
| 888 | scan->vsync_end == fixed_mode->vsync_end && |
| 889 | scan->vtotal == fixed_mode->vtotal) { |
Zhao Yakui | 18f9ed1 | 2009-11-20 03:24:16 +0000 | [diff] [blame] | 890 | if (scan->clock < temp_downclock) { |
| 891 | /* |
| 892 | * The downclock is already found. But we |
| 893 | * expect to find the lower downclock. |
| 894 | */ |
| 895 | temp_downclock = scan->clock; |
| 896 | } |
| 897 | } |
| 898 | } |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 899 | if (temp_downclock < fixed_mode->clock && i915_lvds_downclock) { |
Zhao Yakui | 18f9ed1 | 2009-11-20 03:24:16 +0000 | [diff] [blame] | 900 | /* We found the downclock for LVDS. */ |
| 901 | dev_priv->lvds_downclock_avail = 1; |
| 902 | dev_priv->lvds_downclock = temp_downclock; |
| 903 | DRM_DEBUG_KMS("LVDS downclock is found in EDID. " |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 904 | "Normal clock %dKhz, downclock %dKhz\n", |
| 905 | fixed_mode->clock, temp_downclock); |
Zhao Yakui | 18f9ed1 | 2009-11-20 03:24:16 +0000 | [diff] [blame] | 906 | } |
Zhao Yakui | 18f9ed1 | 2009-11-20 03:24:16 +0000 | [diff] [blame] | 907 | } |
| 908 | |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 909 | /* |
| 910 | * Enumerate the child dev array parsed from VBT to check whether |
| 911 | * the LVDS is present. |
| 912 | * If it is present, return 1. |
| 913 | * If it is not present, return false. |
| 914 | * 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] | 915 | */ |
Chris Wilson | 270eea0 | 2010-09-24 01:15:02 +0100 | [diff] [blame] | 916 | static bool lvds_is_present_in_vbt(struct drm_device *dev, |
| 917 | u8 *i2c_pin) |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 918 | { |
| 919 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 920 | int i; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 921 | |
| 922 | if (!dev_priv->child_dev_num) |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 923 | return true; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 924 | |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 925 | for (i = 0; i < dev_priv->child_dev_num; i++) { |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 926 | struct child_device_config *child = dev_priv->child_dev + i; |
| 927 | |
| 928 | /* If the device type is not LFP, continue. |
| 929 | * We have to check both the new identifiers as well as the |
| 930 | * old for compatibility with some BIOSes. |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 931 | */ |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 932 | if (child->device_type != DEVICE_TYPE_INT_LFP && |
| 933 | child->device_type != DEVICE_TYPE_LFP) |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 934 | continue; |
| 935 | |
Daniel Kurtz | 3bd7d90 | 2012-03-28 02:36:14 +0800 | [diff] [blame] | 936 | if (intel_gmbus_is_port_valid(child->i2c_pin)) |
| 937 | *i2c_pin = child->i2c_pin; |
Chris Wilson | 270eea0 | 2010-09-24 01:15:02 +0100 | [diff] [blame] | 938 | |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 939 | /* However, we cannot trust the BIOS writers to populate |
| 940 | * the VBT correctly. Since LVDS requires additional |
| 941 | * information from AIM blocks, a non-zero addin offset is |
| 942 | * a good indicator that the LVDS is actually present. |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 943 | */ |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 944 | if (child->addin_offset) |
| 945 | return true; |
| 946 | |
| 947 | /* But even then some BIOS writers perform some black magic |
| 948 | * and instantiate the device without reference to any |
| 949 | * additional data. Trust that if the VBT was written into |
| 950 | * the OpRegion then they have validated the LVDS's existence. |
| 951 | */ |
| 952 | if (dev_priv->opregion.vbt) |
| 953 | return true; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 954 | } |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 955 | |
| 956 | return false; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 957 | } |
| 958 | |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 959 | static int intel_dual_link_lvds_callback(const struct dmi_system_id *id) |
| 960 | { |
| 961 | DRM_INFO("Forcing lvds to dual link mode on %s\n", id->ident); |
| 962 | return 1; |
| 963 | } |
| 964 | |
| 965 | static const struct dmi_system_id intel_dual_link_lvds[] = { |
| 966 | { |
| 967 | .callback = intel_dual_link_lvds_callback, |
| 968 | .ident = "Apple MacBook Pro (Core i5/i7 Series)", |
| 969 | .matches = { |
| 970 | DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), |
| 971 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro8,2"), |
| 972 | }, |
| 973 | }, |
| 974 | { } /* terminating entry */ |
| 975 | }; |
| 976 | |
| 977 | bool intel_is_dual_link_lvds(struct drm_device *dev) |
| 978 | { |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 979 | struct intel_encoder *encoder; |
| 980 | struct intel_lvds_encoder *lvds_encoder; |
| 981 | |
| 982 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 983 | base.head) { |
| 984 | if (encoder->type == INTEL_OUTPUT_LVDS) { |
| 985 | lvds_encoder = to_lvds_encoder(&encoder->base); |
| 986 | |
| 987 | return lvds_encoder->is_dual_link; |
| 988 | } |
| 989 | } |
| 990 | |
| 991 | return false; |
| 992 | } |
| 993 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 994 | 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] | 995 | { |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 996 | struct drm_device *dev = lvds_encoder->base.base.dev; |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 997 | unsigned int val; |
| 998 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 999 | |
| 1000 | /* use the module option value if specified */ |
| 1001 | if (i915_lvds_channel_mode > 0) |
| 1002 | return i915_lvds_channel_mode == 2; |
| 1003 | |
| 1004 | if (dmi_check_system(intel_dual_link_lvds)) |
| 1005 | return true; |
| 1006 | |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 1007 | /* BIOS should set the proper LVDS register value at boot, but |
| 1008 | * in reality, it doesn't set the value when the lid is closed; |
| 1009 | * we need to check "the value to be set" in VBT when LVDS |
| 1010 | * register is uninitialized. |
| 1011 | */ |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 1012 | val = I915_READ(lvds_encoder->reg); |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 1013 | if (!(val & ~(LVDS_PIPE_MASK | LVDS_DETECTED))) |
| 1014 | val = dev_priv->bios_lvds_val; |
| 1015 | |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 1016 | return (val & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP; |
| 1017 | } |
| 1018 | |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 1019 | static bool intel_lvds_supported(struct drm_device *dev) |
| 1020 | { |
| 1021 | /* With the introduction of the PCH we gained a dedicated |
| 1022 | * LVDS presence pin, use it. */ |
| 1023 | if (HAS_PCH_SPLIT(dev)) |
| 1024 | return true; |
| 1025 | |
| 1026 | /* Otherwise LVDS was only attached to mobile products, |
| 1027 | * except for the inglorious 830gm */ |
| 1028 | return IS_MOBILE(dev) && !IS_I830(dev); |
| 1029 | } |
| 1030 | |
Zhao Yakui | 18f9ed1 | 2009-11-20 03:24:16 +0000 | [diff] [blame] | 1031 | /** |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1032 | * intel_lvds_init - setup LVDS connectors on this device |
| 1033 | * @dev: drm device |
| 1034 | * |
| 1035 | * Create the connector, register the LVDS DDC bus, and try to figure out what |
| 1036 | * modes we can display on the LVDS panel (if present). |
| 1037 | */ |
Chris Wilson | c5d1b51 | 2010-11-29 18:00:23 +0000 | [diff] [blame] | 1038 | bool intel_lvds_init(struct drm_device *dev) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1039 | { |
| 1040 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 1041 | struct intel_lvds_encoder *lvds_encoder; |
Eric Anholt | 21d40d3 | 2010-03-25 11:11:14 -0700 | [diff] [blame] | 1042 | struct intel_encoder *intel_encoder; |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 1043 | struct intel_lvds_connector *lvds_connector; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 1044 | struct intel_connector *intel_connector; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1045 | struct drm_connector *connector; |
| 1046 | struct drm_encoder *encoder; |
| 1047 | struct drm_display_mode *scan; /* *modes, *bios_mode; */ |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1048 | struct drm_display_mode *fixed_mode = NULL; |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1049 | struct edid *edid; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1050 | struct drm_crtc *crtc; |
| 1051 | u32 lvds; |
Chris Wilson | 270eea0 | 2010-09-24 01:15:02 +0100 | [diff] [blame] | 1052 | int pipe; |
| 1053 | u8 pin; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1054 | |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 1055 | if (!intel_lvds_supported(dev)) |
| 1056 | return false; |
| 1057 | |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 1058 | /* Skip init on machines we know falsely report LVDS */ |
| 1059 | if (dmi_check_system(intel_no_lvds)) |
Chris Wilson | c5d1b51 | 2010-11-29 18:00:23 +0000 | [diff] [blame] | 1060 | return false; |
Paul Collins | 565dcd4 | 2009-02-04 23:05:41 +1300 | [diff] [blame] | 1061 | |
Chris Wilson | 270eea0 | 2010-09-24 01:15:02 +0100 | [diff] [blame] | 1062 | pin = GMBUS_PORT_PANEL; |
| 1063 | if (!lvds_is_present_in_vbt(dev, &pin)) { |
Matthew Garrett | 11ba159 | 2009-12-15 13:55:24 -0500 | [diff] [blame] | 1064 | DRM_DEBUG_KMS("LVDS is not present in VBT\n"); |
Chris Wilson | c5d1b51 | 2010-11-29 18:00:23 +0000 | [diff] [blame] | 1065 | return false; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 1066 | } |
Zhao Yakui | e99da35 | 2009-06-26 09:46:18 +0800 | [diff] [blame] | 1067 | |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 1068 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 1069 | if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0) |
Chris Wilson | c5d1b51 | 2010-11-29 18:00:23 +0000 | [diff] [blame] | 1070 | return false; |
Chris Wilson | 5ceb0f9 | 2010-09-24 10:24:28 +0100 | [diff] [blame] | 1071 | if (dev_priv->edp.support) { |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 1072 | DRM_DEBUG_KMS("disable LVDS for eDP support\n"); |
Chris Wilson | c5d1b51 | 2010-11-29 18:00:23 +0000 | [diff] [blame] | 1073 | return false; |
Zhenyu Wang | 32f9d65 | 2009-07-24 01:00:32 +0800 | [diff] [blame] | 1074 | } |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 1075 | } |
| 1076 | |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 1077 | lvds_encoder = kzalloc(sizeof(struct intel_lvds_encoder), GFP_KERNEL); |
| 1078 | if (!lvds_encoder) |
Chris Wilson | c5d1b51 | 2010-11-29 18:00:23 +0000 | [diff] [blame] | 1079 | return false; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1080 | |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 1081 | lvds_connector = kzalloc(sizeof(struct intel_lvds_connector), GFP_KERNEL); |
| 1082 | if (!lvds_connector) { |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 1083 | kfree(lvds_encoder); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1084 | return false; |
| 1085 | } |
| 1086 | |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 1087 | lvds_encoder->attached_connector = lvds_connector; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 1088 | |
Chris Wilson | e9e331a | 2010-09-13 01:16:10 +0100 | [diff] [blame] | 1089 | if (!HAS_PCH_SPLIT(dev)) { |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 1090 | lvds_encoder->pfit_control = I915_READ(PFIT_CONTROL); |
Chris Wilson | e9e331a | 2010-09-13 01:16:10 +0100 | [diff] [blame] | 1091 | } |
| 1092 | |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 1093 | intel_encoder = &lvds_encoder->base; |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 1094 | encoder = &intel_encoder->base; |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 1095 | intel_connector = &lvds_connector->base; |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 1096 | connector = &intel_connector->base; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 1097 | drm_connector_init(dev, &intel_connector->base, &intel_lvds_connector_funcs, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1098 | DRM_MODE_CONNECTOR_LVDS); |
| 1099 | |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 1100 | drm_encoder_init(dev, &intel_encoder->base, &intel_lvds_enc_funcs, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1101 | DRM_MODE_ENCODER_LVDS); |
| 1102 | |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 1103 | intel_encoder->enable = intel_enable_lvds; |
Mika Kuoppala | 9d6d9f1 | 2013-02-08 16:35:38 +0200 | [diff] [blame] | 1104 | intel_encoder->pre_enable = intel_pre_enable_lvds; |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 1105 | intel_encoder->pre_pll_enable = intel_pre_pll_enable_lvds; |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 1106 | intel_encoder->disable = intel_disable_lvds; |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 1107 | intel_encoder->get_hw_state = intel_lvds_get_hw_state; |
| 1108 | intel_connector->get_hw_state = intel_connector_get_hw_state; |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 1109 | |
Chris Wilson | df0e924 | 2010-09-09 16:20:55 +0100 | [diff] [blame] | 1110 | intel_connector_attach_encoder(intel_connector, intel_encoder); |
Eric Anholt | 21d40d3 | 2010-03-25 11:11:14 -0700 | [diff] [blame] | 1111 | intel_encoder->type = INTEL_OUTPUT_LVDS; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1112 | |
Daniel Vetter | 66a9278 | 2012-07-12 20:08:18 +0200 | [diff] [blame] | 1113 | intel_encoder->cloneable = false; |
Jesse Barnes | 27f8227 | 2011-09-02 12:54:37 -0700 | [diff] [blame] | 1114 | if (HAS_PCH_SPLIT(dev)) |
| 1115 | intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2); |
Daniel Vetter | 0b9f43a | 2012-06-05 10:07:11 +0200 | [diff] [blame] | 1116 | else if (IS_GEN4(dev)) |
| 1117 | intel_encoder->crtc_mask = (1 << 0) | (1 << 1); |
Jesse Barnes | 27f8227 | 2011-09-02 12:54:37 -0700 | [diff] [blame] | 1118 | else |
| 1119 | intel_encoder->crtc_mask = (1 << 1); |
| 1120 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1121 | drm_encoder_helper_add(encoder, &intel_lvds_helper_funcs); |
| 1122 | drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs); |
| 1123 | connector->display_info.subpixel_order = SubPixelHorizontalRGB; |
| 1124 | connector->interlace_allowed = false; |
| 1125 | connector->doublescan_allowed = false; |
| 1126 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 1127 | if (HAS_PCH_SPLIT(dev)) { |
| 1128 | lvds_encoder->reg = PCH_LVDS; |
| 1129 | } else { |
| 1130 | lvds_encoder->reg = LVDS; |
| 1131 | } |
| 1132 | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 1133 | /* create the scaling mode property */ |
| 1134 | drm_mode_create_scaling_mode_property(dev); |
Rob Clark | 662595d | 2012-10-11 20:36:04 -0500 | [diff] [blame] | 1135 | drm_object_attach_property(&connector->base, |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 1136 | dev->mode_config.scaling_mode_property, |
Jesse Barnes | dd1ea37 | 2010-06-24 11:05:10 -0700 | [diff] [blame] | 1137 | DRM_MODE_SCALE_ASPECT); |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 1138 | intel_connector->panel.fitting_mode = DRM_MODE_SCALE_ASPECT; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1139 | /* |
| 1140 | * LVDS discovery: |
| 1141 | * 1) check for EDID on DDC |
| 1142 | * 2) check for VBT data |
| 1143 | * 3) check to see if LVDS is already on |
| 1144 | * if none of the above, no panel |
| 1145 | * 4) make sure lid is open |
| 1146 | * if closed, act like it's not there for now |
| 1147 | */ |
| 1148 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1149 | /* |
| 1150 | * Attempt to get the fixed panel mode from DDC. Assume that the |
| 1151 | * preferred mode is the right one. |
| 1152 | */ |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1153 | edid = drm_get_edid(connector, intel_gmbus_get_adapter(dev_priv, pin)); |
| 1154 | if (edid) { |
| 1155 | if (drm_add_edid_modes(connector, edid)) { |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 1156 | drm_mode_connector_update_edid_property(connector, |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1157 | edid); |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 1158 | } else { |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1159 | kfree(edid); |
| 1160 | edid = ERR_PTR(-EINVAL); |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 1161 | } |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1162 | } else { |
| 1163 | edid = ERR_PTR(-ENOENT); |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 1164 | } |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1165 | lvds_connector->base.edid = edid; |
| 1166 | |
| 1167 | if (IS_ERR_OR_NULL(edid)) { |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 1168 | /* Didn't get an EDID, so |
| 1169 | * Set wide sync ranges so we get all modes |
| 1170 | * handed to valid_mode for checking |
| 1171 | */ |
| 1172 | connector->display_info.min_vfreq = 0; |
| 1173 | connector->display_info.max_vfreq = 200; |
| 1174 | connector->display_info.min_hfreq = 0; |
| 1175 | connector->display_info.max_hfreq = 200; |
| 1176 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1177 | |
| 1178 | list_for_each_entry(scan, &connector->probed_modes, head) { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1179 | if (scan->type & DRM_MODE_TYPE_PREFERRED) { |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1180 | DRM_DEBUG_KMS("using preferred mode from EDID: "); |
| 1181 | drm_mode_debug_printmodeline(scan); |
| 1182 | |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1183 | fixed_mode = drm_mode_duplicate(dev, scan); |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1184 | if (fixed_mode) { |
| 1185 | intel_find_lvds_downclock(dev, fixed_mode, |
| 1186 | connector); |
| 1187 | goto out; |
| 1188 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1189 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1190 | } |
| 1191 | |
| 1192 | /* Failed to get EDID, what about VBT? */ |
Ma Ling | 8863170 | 2009-05-13 11:19:55 +0800 | [diff] [blame] | 1193 | if (dev_priv->lfp_lvds_vbt_mode) { |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1194 | DRM_DEBUG_KMS("using mode from VBT: "); |
| 1195 | drm_mode_debug_printmodeline(dev_priv->lfp_lvds_vbt_mode); |
| 1196 | |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1197 | fixed_mode = drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode); |
| 1198 | if (fixed_mode) { |
| 1199 | fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; |
Jesse Barnes | e285f3cd | 2009-01-14 10:53:36 -0800 | [diff] [blame] | 1200 | goto out; |
| 1201 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1202 | } |
| 1203 | |
| 1204 | /* |
| 1205 | * If we didn't get EDID, try checking if the panel is already turned |
| 1206 | * on. If so, assume that whatever is currently programmed is the |
| 1207 | * correct mode. |
| 1208 | */ |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 1209 | |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 1210 | /* Ironlake: FIXME if still fail, not try pipe mode now */ |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 1211 | if (HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 1212 | goto failed; |
| 1213 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1214 | lvds = I915_READ(LVDS); |
| 1215 | pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0; |
Chris Wilson | f875c15 | 2010-09-09 15:44:14 +0100 | [diff] [blame] | 1216 | crtc = intel_get_crtc_for_pipe(dev, pipe); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1217 | |
| 1218 | if (crtc && (lvds & LVDS_PORT_EN)) { |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1219 | fixed_mode = intel_crtc_mode_get(dev, crtc); |
| 1220 | if (fixed_mode) { |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1221 | DRM_DEBUG_KMS("using current (BIOS) mode: "); |
| 1222 | drm_mode_debug_printmodeline(fixed_mode); |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1223 | fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; |
Paul Collins | 565dcd4 | 2009-02-04 23:05:41 +1300 | [diff] [blame] | 1224 | goto out; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | /* 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] | 1229 | if (!fixed_mode) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1230 | goto failed; |
| 1231 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1232 | out: |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 1233 | lvds_encoder->is_dual_link = compute_is_dual_link_lvds(lvds_encoder); |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 1234 | DRM_DEBUG_KMS("detected %s-link lvds configuration\n", |
| 1235 | lvds_encoder->is_dual_link ? "dual" : "single"); |
| 1236 | |
Daniel Vetter | 24ded20 | 2012-06-05 12:14:54 +0200 | [diff] [blame] | 1237 | /* |
| 1238 | * Unlock registers and just |
| 1239 | * leave them unlocked |
| 1240 | */ |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 1241 | if (HAS_PCH_SPLIT(dev)) { |
Keith Packard | ed10fca | 2011-08-06 10:33:12 -0700 | [diff] [blame] | 1242 | I915_WRITE(PCH_PP_CONTROL, |
| 1243 | I915_READ(PCH_PP_CONTROL) | PANEL_UNLOCK_REGS); |
| 1244 | } else { |
Keith Packard | ed10fca | 2011-08-06 10:33:12 -0700 | [diff] [blame] | 1245 | I915_WRITE(PP_CONTROL, |
| 1246 | I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS); |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 1247 | } |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 1248 | lvds_connector->lid_notifier.notifier_call = intel_lid_notify; |
| 1249 | if (acpi_lid_notifier_register(&lvds_connector->lid_notifier)) { |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 1250 | DRM_DEBUG_KMS("lid notifier registration failed\n"); |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 1251 | lvds_connector->lid_notifier.notifier_call = NULL; |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 1252 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1253 | drm_sysfs_connector_add(connector); |
Matthew Garrett | aaa6fd2 | 2011-08-12 12:11:33 +0200 | [diff] [blame] | 1254 | |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1255 | intel_panel_init(&intel_connector->panel, fixed_mode); |
Jani Nikula | 0657b6b | 2012-10-19 14:51:46 +0300 | [diff] [blame] | 1256 | intel_panel_setup_backlight(connector); |
Matthew Garrett | aaa6fd2 | 2011-08-12 12:11:33 +0200 | [diff] [blame] | 1257 | |
Chris Wilson | c5d1b51 | 2010-11-29 18:00:23 +0000 | [diff] [blame] | 1258 | return true; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1259 | |
| 1260 | failed: |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 1261 | DRM_DEBUG_KMS("No LVDS modes found, disabling.\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1262 | drm_connector_cleanup(connector); |
Shaohua Li | 1991bdf | 2009-11-17 17:19:23 +0800 | [diff] [blame] | 1263 | drm_encoder_cleanup(encoder); |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1264 | if (fixed_mode) |
| 1265 | drm_mode_destroy(dev, fixed_mode); |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 1266 | kfree(lvds_encoder); |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 1267 | kfree(lvds_connector); |
Chris Wilson | c5d1b51 | 2010-11-29 18:00:23 +0000 | [diff] [blame] | 1268 | return false; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1269 | } |