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 | |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 52 | bool is_dual_link; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 53 | u32 reg; |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 54 | |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 55 | struct intel_lvds_connector *attached_connector; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 56 | }; |
| 57 | |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 58 | static struct intel_lvds_encoder *to_lvds_encoder(struct drm_encoder *encoder) |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 59 | { |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 60 | return container_of(encoder, struct intel_lvds_encoder, base.base); |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 61 | } |
| 62 | |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 63 | static struct intel_lvds_connector *to_lvds_connector(struct drm_connector *connector) |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 64 | { |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 65 | return container_of(connector, struct intel_lvds_connector, base.base); |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 66 | } |
| 67 | |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 68 | static bool intel_lvds_get_hw_state(struct intel_encoder *encoder, |
| 69 | enum pipe *pipe) |
| 70 | { |
| 71 | struct drm_device *dev = encoder->base.dev; |
| 72 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 73 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
Paulo Zanoni | 34a6c70 | 2014-07-04 13:38:35 -0300 | [diff] [blame^] | 74 | enum intel_display_power_domain power_domain; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 75 | u32 tmp; |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 76 | |
Paulo Zanoni | 34a6c70 | 2014-07-04 13:38:35 -0300 | [diff] [blame^] | 77 | power_domain = intel_display_port_power_domain(encoder); |
| 78 | if (!intel_display_power_enabled(dev_priv, power_domain)) |
| 79 | return false; |
| 80 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 81 | tmp = I915_READ(lvds_encoder->reg); |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 82 | |
| 83 | if (!(tmp & LVDS_PORT_EN)) |
| 84 | return false; |
| 85 | |
| 86 | if (HAS_PCH_CPT(dev)) |
| 87 | *pipe = PORT_TO_PIPE_CPT(tmp); |
| 88 | else |
| 89 | *pipe = PORT_TO_PIPE(tmp); |
| 90 | |
| 91 | return true; |
| 92 | } |
| 93 | |
Jesse Barnes | 045ac3b | 2013-05-14 17:08:26 -0700 | [diff] [blame] | 94 | static void intel_lvds_get_config(struct intel_encoder *encoder, |
| 95 | struct intel_crtc_config *pipe_config) |
| 96 | { |
| 97 | struct drm_device *dev = encoder->base.dev; |
| 98 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 99 | u32 lvds_reg, tmp, flags = 0; |
Ville Syrjälä | 18442d0 | 2013-09-13 16:00:08 +0300 | [diff] [blame] | 100 | int dotclock; |
Jesse Barnes | 045ac3b | 2013-05-14 17:08:26 -0700 | [diff] [blame] | 101 | |
| 102 | if (HAS_PCH_SPLIT(dev)) |
| 103 | lvds_reg = PCH_LVDS; |
| 104 | else |
| 105 | lvds_reg = LVDS; |
| 106 | |
| 107 | tmp = I915_READ(lvds_reg); |
| 108 | if (tmp & LVDS_HSYNC_POLARITY) |
| 109 | flags |= DRM_MODE_FLAG_NHSYNC; |
| 110 | else |
| 111 | flags |= DRM_MODE_FLAG_PHSYNC; |
| 112 | if (tmp & LVDS_VSYNC_POLARITY) |
| 113 | flags |= DRM_MODE_FLAG_NVSYNC; |
| 114 | else |
| 115 | flags |= DRM_MODE_FLAG_PVSYNC; |
| 116 | |
| 117 | pipe_config->adjusted_mode.flags |= flags; |
Daniel Vetter | 0692282 | 2013-07-11 13:35:40 +0200 | [diff] [blame] | 118 | |
Ville Syrjälä | 18442d0 | 2013-09-13 16:00:08 +0300 | [diff] [blame] | 119 | dotclock = pipe_config->port_clock; |
| 120 | |
| 121 | if (HAS_PCH_SPLIT(dev_priv->dev)) |
| 122 | ironlake_check_encoder_dotclock(pipe_config, dotclock); |
| 123 | |
Damien Lespiau | 241bfc3 | 2013-09-25 16:45:37 +0100 | [diff] [blame] | 124 | pipe_config->adjusted_mode.crtc_clock = dotclock; |
Jesse Barnes | 045ac3b | 2013-05-14 17:08:26 -0700 | [diff] [blame] | 125 | } |
| 126 | |
Daniel Vetter | f6736a1 | 2013-06-05 13:34:30 +0200 | [diff] [blame] | 127 | static void intel_pre_enable_lvds(struct intel_encoder *encoder) |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 128 | { |
| 129 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
| 130 | struct drm_device *dev = encoder->base.dev; |
| 131 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 55607e8 | 2013-06-16 21:42:39 +0200 | [diff] [blame] | 132 | struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); |
Ville Syrjälä | 4c6df4b | 2013-09-02 21:13:39 +0300 | [diff] [blame] | 133 | const struct drm_display_mode *adjusted_mode = |
| 134 | &crtc->config.adjusted_mode; |
Daniel Vetter | 55607e8 | 2013-06-16 21:42:39 +0200 | [diff] [blame] | 135 | int pipe = crtc->pipe; |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 136 | u32 temp; |
| 137 | |
Daniel Vetter | 55607e8 | 2013-06-16 21:42:39 +0200 | [diff] [blame] | 138 | if (HAS_PCH_SPLIT(dev)) { |
| 139 | assert_fdi_rx_pll_disabled(dev_priv, pipe); |
| 140 | assert_shared_dpll_disabled(dev_priv, |
| 141 | intel_crtc_to_shared_dpll(crtc)); |
| 142 | } else { |
| 143 | assert_pll_disabled(dev_priv, pipe); |
| 144 | } |
| 145 | |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 146 | temp = I915_READ(lvds_encoder->reg); |
| 147 | temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP; |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 148 | |
| 149 | if (HAS_PCH_CPT(dev)) { |
| 150 | temp &= ~PORT_TRANS_SEL_MASK; |
| 151 | temp |= PORT_TRANS_SEL_CPT(pipe); |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 152 | } else { |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 153 | if (pipe == 1) { |
| 154 | temp |= LVDS_PIPEB_SELECT; |
| 155 | } else { |
| 156 | temp &= ~LVDS_PIPEB_SELECT; |
| 157 | } |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 158 | } |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 159 | |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 160 | /* set the corresponsding LVDS_BORDER bit */ |
Daniel Vetter | 2fa2fe9 | 2013-05-07 23:34:16 +0200 | [diff] [blame] | 161 | temp &= ~LVDS_BORDER_ENABLE; |
Daniel Vetter | 55607e8 | 2013-06-16 21:42:39 +0200 | [diff] [blame] | 162 | temp |= crtc->config.gmch_pfit.lvds_border_bits; |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 163 | /* Set the B0-B3 data pairs corresponding to whether we're going to |
| 164 | * set the DPLLs for dual-channel mode or not. |
| 165 | */ |
| 166 | if (lvds_encoder->is_dual_link) |
| 167 | temp |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; |
| 168 | else |
| 169 | temp &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP); |
| 170 | |
| 171 | /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP) |
| 172 | * appropriately here, but we need to look more thoroughly into how |
| 173 | * panels behave in the two modes. |
| 174 | */ |
Daniel Vetter | 62810e5 | 2012-11-26 17:22:13 +0100 | [diff] [blame] | 175 | |
| 176 | /* Set the dithering flag on LVDS as needed, note that there is no |
| 177 | * special lvds dither control bit on pch-split platforms, dithering is |
| 178 | * only controlled through the PIPECONF reg. */ |
| 179 | if (INTEL_INFO(dev)->gen == 4) { |
Daniel Vetter | d8b3224 | 2013-04-25 17:54:44 +0200 | [diff] [blame] | 180 | /* Bspec wording suggests that LVDS port dithering only exists |
| 181 | * for 18bpp panels. */ |
Daniel Vetter | 55607e8 | 2013-06-16 21:42:39 +0200 | [diff] [blame] | 182 | if (crtc->config.dither && crtc->config.pipe_bpp == 18) |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 183 | temp |= LVDS_ENABLE_DITHER; |
| 184 | else |
| 185 | temp &= ~LVDS_ENABLE_DITHER; |
| 186 | } |
| 187 | temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY); |
Ville Syrjälä | 4c6df4b | 2013-09-02 21:13:39 +0300 | [diff] [blame] | 188 | if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 189 | temp |= LVDS_HSYNC_POLARITY; |
Ville Syrjälä | 4c6df4b | 2013-09-02 21:13:39 +0300 | [diff] [blame] | 190 | if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) |
Daniel Vetter | fc68309 | 2012-11-26 17:22:12 +0100 | [diff] [blame] | 191 | temp |= LVDS_VSYNC_POLARITY; |
| 192 | |
| 193 | I915_WRITE(lvds_encoder->reg, temp); |
| 194 | } |
| 195 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 196 | /** |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 197 | * Sets the power state for the panel. |
| 198 | */ |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 199 | static void intel_enable_lvds(struct intel_encoder *encoder) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 200 | { |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 201 | struct drm_device *dev = encoder->base.dev; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 202 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
Jesse Barnes | 752aa88 | 2013-10-31 18:55:49 +0200 | [diff] [blame] | 203 | struct intel_connector *intel_connector = |
| 204 | &lvds_encoder->attached_connector->base; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 205 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 206 | u32 ctl_reg, stat_reg; |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 207 | |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 208 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 209 | ctl_reg = PCH_PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 210 | stat_reg = PCH_PP_STATUS; |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 211 | } else { |
| 212 | ctl_reg = PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 213 | stat_reg = PP_STATUS; |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 214 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 215 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 216 | 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] | 217 | |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 218 | I915_WRITE(ctl_reg, I915_READ(ctl_reg) | POWER_TARGET_ON); |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 219 | POSTING_READ(lvds_encoder->reg); |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 220 | if (wait_for((I915_READ(stat_reg) & PP_ON) != 0, 1000)) |
| 221 | DRM_ERROR("timed out waiting for panel to power on\n"); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 222 | |
Jesse Barnes | 752aa88 | 2013-10-31 18:55:49 +0200 | [diff] [blame] | 223 | intel_panel_enable_backlight(intel_connector); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 224 | } |
| 225 | |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 226 | static void intel_disable_lvds(struct intel_encoder *encoder) |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 227 | { |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 228 | struct drm_device *dev = encoder->base.dev; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 229 | struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base); |
Jesse Barnes | 752aa88 | 2013-10-31 18:55:49 +0200 | [diff] [blame] | 230 | struct intel_connector *intel_connector = |
| 231 | &lvds_encoder->attached_connector->base; |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 232 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 233 | u32 ctl_reg, stat_reg; |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 234 | |
| 235 | if (HAS_PCH_SPLIT(dev)) { |
| 236 | ctl_reg = PCH_PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 237 | stat_reg = PCH_PP_STATUS; |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 238 | } else { |
| 239 | ctl_reg = PP_CONTROL; |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 240 | stat_reg = PP_STATUS; |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 241 | } |
| 242 | |
Jesse Barnes | 752aa88 | 2013-10-31 18:55:49 +0200 | [diff] [blame] | 243 | intel_panel_disable_backlight(intel_connector); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 244 | |
| 245 | I915_WRITE(ctl_reg, I915_READ(ctl_reg) & ~POWER_TARGET_ON); |
Keith Packard | de842ef | 2011-08-06 10:30:45 -0700 | [diff] [blame] | 246 | if (wait_for((I915_READ(stat_reg) & PP_ON) == 0, 1000)) |
| 247 | DRM_ERROR("timed out waiting for panel to power off\n"); |
Chris Wilson | 2a1292f | 2010-12-05 19:21:18 +0000 | [diff] [blame] | 248 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 249 | I915_WRITE(lvds_encoder->reg, I915_READ(lvds_encoder->reg) & ~LVDS_PORT_EN); |
| 250 | POSTING_READ(lvds_encoder->reg); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 251 | } |
| 252 | |
Damien Lespiau | c19de8e | 2013-11-28 15:29:18 +0000 | [diff] [blame] | 253 | static enum drm_mode_status |
| 254 | intel_lvds_mode_valid(struct drm_connector *connector, |
| 255 | struct drm_display_mode *mode) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 256 | { |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 257 | struct intel_connector *intel_connector = to_intel_connector(connector); |
| 258 | struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 259 | |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 260 | if (mode->hdisplay > fixed_mode->hdisplay) |
| 261 | return MODE_PANEL; |
| 262 | if (mode->vdisplay > fixed_mode->vdisplay) |
| 263 | return MODE_PANEL; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 264 | |
| 265 | return MODE_OK; |
| 266 | } |
| 267 | |
Daniel Vetter | 7ae8923 | 2013-03-27 00:44:52 +0100 | [diff] [blame] | 268 | static bool intel_lvds_compute_config(struct intel_encoder *intel_encoder, |
| 269 | struct intel_crtc_config *pipe_config) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 270 | { |
Daniel Vetter | 7ae8923 | 2013-03-27 00:44:52 +0100 | [diff] [blame] | 271 | struct drm_device *dev = intel_encoder->base.dev; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 272 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 7ae8923 | 2013-03-27 00:44:52 +0100 | [diff] [blame] | 273 | struct intel_lvds_encoder *lvds_encoder = |
| 274 | to_lvds_encoder(&intel_encoder->base); |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 275 | struct intel_connector *intel_connector = |
| 276 | &lvds_encoder->attached_connector->base; |
Daniel Vetter | 7ae8923 | 2013-03-27 00:44:52 +0100 | [diff] [blame] | 277 | struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 278 | struct intel_crtc *intel_crtc = lvds_encoder->base.new_crtc; |
Daniel Vetter | 4e53c2e | 2013-03-27 00:44:58 +0100 | [diff] [blame] | 279 | unsigned int lvds_bpp; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 280 | |
| 281 | /* Should never happen!! */ |
Chris Wilson | a6c45cf | 2010-09-17 00:32:17 +0100 | [diff] [blame] | 282 | if (INTEL_INFO(dev)->gen < 4 && intel_crtc->pipe == 0) { |
Keith Packard | 1ae8c0a | 2009-06-28 15:42:17 -0700 | [diff] [blame] | 283 | DRM_ERROR("Can't support LVDS on pipe A\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 284 | return false; |
| 285 | } |
| 286 | |
Daniel Vetter | 4e53c2e | 2013-03-27 00:44:58 +0100 | [diff] [blame] | 287 | if ((I915_READ(lvds_encoder->reg) & LVDS_A3_POWER_MASK) == |
| 288 | LVDS_A3_POWER_UP) |
| 289 | lvds_bpp = 8*3; |
| 290 | else |
| 291 | lvds_bpp = 6*3; |
| 292 | |
Daniel Vetter | e29c22c | 2013-02-21 00:00:16 +0100 | [diff] [blame] | 293 | if (lvds_bpp != pipe_config->pipe_bpp && !pipe_config->bw_constrained) { |
Daniel Vetter | 4e53c2e | 2013-03-27 00:44:58 +0100 | [diff] [blame] | 294 | DRM_DEBUG_KMS("forcing display bpp (was %d) to LVDS (%d)\n", |
| 295 | pipe_config->pipe_bpp, lvds_bpp); |
| 296 | pipe_config->pipe_bpp = lvds_bpp; |
| 297 | } |
Daniel Vetter | d8b3224 | 2013-04-25 17:54:44 +0200 | [diff] [blame] | 298 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 299 | /* |
Chris Wilson | 7167704 | 2010-07-17 13:38:43 +0100 | [diff] [blame] | 300 | * We have timings from the BIOS for the panel, put them in |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 301 | * to the adjusted mode. The CRTC will be set up for this mode, |
| 302 | * with the panel scaling set up to source from the H/VDisplay |
| 303 | * of the original mode. |
| 304 | */ |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 305 | intel_fixed_panel_mode(intel_connector->panel.fixed_mode, |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 306 | adjusted_mode); |
Chris Wilson | 1d8e1c7 | 2010-08-07 11:01:28 +0100 | [diff] [blame] | 307 | |
| 308 | if (HAS_PCH_SPLIT(dev)) { |
Daniel Vetter | 5bfe2ac | 2013-03-27 00:44:55 +0100 | [diff] [blame] | 309 | pipe_config->has_pch_encoder = true; |
| 310 | |
Jesse Barnes | b074cec | 2013-04-25 12:55:02 -0700 | [diff] [blame] | 311 | intel_pch_panel_fitting(intel_crtc, pipe_config, |
| 312 | intel_connector->panel.fitting_mode); |
Jesse Barnes | 2dd2455 | 2013-04-25 12:55:01 -0700 | [diff] [blame] | 313 | } else { |
| 314 | intel_gmch_panel_fitting(intel_crtc, pipe_config, |
| 315 | intel_connector->panel.fitting_mode); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 316 | |
Daniel Vetter | 21d8a47 | 2013-07-12 08:07:30 +0200 | [diff] [blame] | 317 | } |
Daniel Vetter | f9bef08 | 2012-04-15 19:53:19 +0200 | [diff] [blame] | 318 | |
Zhao Yakui | a3e17eb | 2009-10-10 10:42:37 +0800 | [diff] [blame] | 319 | /* |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 320 | * XXX: It would be nice to support lower refresh rates on the |
| 321 | * panels to reduce power consumption, and perhaps match the |
| 322 | * user's requested refresh rate. |
| 323 | */ |
| 324 | |
| 325 | return true; |
| 326 | } |
| 327 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 328 | /** |
| 329 | * Detect the LVDS connection. |
| 330 | * |
Jesse Barnes | b42d4c5 | 2009-09-10 15:28:04 -0700 | [diff] [blame] | 331 | * Since LVDS doesn't have hotlug, we use the lid as a proxy. Open means |
| 332 | * connected and closed means disconnected. We also send hotplug events as |
| 333 | * needed, using lid status notification from the input layer. |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 334 | */ |
Chris Wilson | 7b334fc | 2010-09-09 23:51:02 +0100 | [diff] [blame] | 335 | static enum drm_connector_status |
Chris Wilson | 930a9e2 | 2010-09-14 11:07:23 +0100 | [diff] [blame] | 336 | intel_lvds_detect(struct drm_connector *connector, bool force) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 337 | { |
Jesse Barnes | 7b9c5ab | 2010-02-12 09:30:00 -0800 | [diff] [blame] | 338 | struct drm_device *dev = connector->dev; |
Chris Wilson | 6ee3b5a | 2011-03-24 13:26:43 +0000 | [diff] [blame] | 339 | enum drm_connector_status status; |
Jesse Barnes | b42d4c5 | 2009-09-10 15:28:04 -0700 | [diff] [blame] | 340 | |
Chris Wilson | 164c859 | 2013-07-20 20:27:08 +0100 | [diff] [blame] | 341 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
Jani Nikula | c23cc41 | 2014-06-03 14:56:17 +0300 | [diff] [blame] | 342 | connector->base.id, connector->name); |
Chris Wilson | 164c859 | 2013-07-20 20:27:08 +0100 | [diff] [blame] | 343 | |
Chris Wilson | fe16d94 | 2011-02-12 10:29:38 +0000 | [diff] [blame] | 344 | status = intel_panel_detect(dev); |
| 345 | if (status != connector_status_unknown) |
| 346 | return status; |
Chris Wilson | 01fe9db | 2011-01-16 19:37:30 +0000 | [diff] [blame] | 347 | |
Chris Wilson | 6ee3b5a | 2011-03-24 13:26:43 +0000 | [diff] [blame] | 348 | return connector_status_connected; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 349 | } |
| 350 | |
| 351 | /** |
| 352 | * Return the list of DDC modes if available, or the BIOS fixed mode otherwise. |
| 353 | */ |
| 354 | static int intel_lvds_get_modes(struct drm_connector *connector) |
| 355 | { |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 356 | struct intel_lvds_connector *lvds_connector = to_lvds_connector(connector); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 357 | struct drm_device *dev = connector->dev; |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 358 | struct drm_display_mode *mode; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 359 | |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 360 | /* use cached edid if we have one */ |
Chris Wilson | 2aa4f09 | 2012-11-21 16:14:04 +0000 | [diff] [blame] | 361 | if (!IS_ERR_OR_NULL(lvds_connector->base.edid)) |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 362 | return drm_add_edid_modes(connector, lvds_connector->base.edid); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 363 | |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 364 | mode = drm_mode_duplicate(dev, lvds_connector->base.panel.fixed_mode); |
Chris Wilson | 311bd68 | 2011-01-13 19:06:50 +0000 | [diff] [blame] | 365 | if (mode == NULL) |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 366 | return 0; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 367 | |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 368 | drm_mode_probed_add(connector, mode); |
| 369 | return 1; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 370 | } |
| 371 | |
Thomas Bächler | 0544edf | 2010-07-02 10:44:23 +0200 | [diff] [blame] | 372 | static int intel_no_modeset_on_lid_dmi_callback(const struct dmi_system_id *id) |
| 373 | { |
Daniel Vetter | bc0daf4 | 2012-04-01 13:16:49 +0200 | [diff] [blame] | 374 | DRM_INFO("Skipping forced modeset for %s\n", id->ident); |
Thomas Bächler | 0544edf | 2010-07-02 10:44:23 +0200 | [diff] [blame] | 375 | return 1; |
| 376 | } |
| 377 | |
| 378 | /* The GPU hangs up on these systems if modeset is performed on LID open */ |
| 379 | static const struct dmi_system_id intel_no_modeset_on_lid[] = { |
| 380 | { |
| 381 | .callback = intel_no_modeset_on_lid_dmi_callback, |
| 382 | .ident = "Toshiba Tecra A11", |
| 383 | .matches = { |
| 384 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), |
| 385 | DMI_MATCH(DMI_PRODUCT_NAME, "TECRA A11"), |
| 386 | }, |
| 387 | }, |
| 388 | |
| 389 | { } /* terminating entry */ |
| 390 | }; |
| 391 | |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 392 | /* |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 393 | * Lid events. Note the use of 'modeset': |
| 394 | * - we set it to MODESET_ON_LID_OPEN on lid close, |
| 395 | * and set it to MODESET_DONE on open |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 396 | * - we use it as a "only once" bit (ie we ignore |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 397 | * duplicate events where it was already properly set) |
| 398 | * - the suspend/resume paths will set it to |
| 399 | * MODESET_SUSPENDED and ignore the lid open event, |
| 400 | * because they restore the mode ("lid open"). |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 401 | */ |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 402 | static int intel_lid_notify(struct notifier_block *nb, unsigned long val, |
| 403 | void *unused) |
| 404 | { |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 405 | struct intel_lvds_connector *lvds_connector = |
| 406 | container_of(nb, struct intel_lvds_connector, lid_notifier); |
| 407 | struct drm_connector *connector = &lvds_connector->base.base; |
| 408 | struct drm_device *dev = connector->dev; |
| 409 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 410 | |
Alex Williamson | 2fb4e61 | 2011-04-21 16:08:14 -0600 | [diff] [blame] | 411 | if (dev->switch_power_state != DRM_SWITCH_POWER_ON) |
| 412 | return NOTIFY_OK; |
| 413 | |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 414 | mutex_lock(&dev_priv->modeset_restore_lock); |
| 415 | if (dev_priv->modeset_restore == MODESET_SUSPENDED) |
| 416 | goto exit; |
Zhao Yakui | a256537 | 2009-12-11 09:26:11 +0800 | [diff] [blame] | 417 | /* |
| 418 | * check and update the status of LVDS connector after receiving |
| 419 | * the LID nofication event. |
| 420 | */ |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 421 | connector->status = connector->funcs->detect(connector, false); |
Chris Wilson | 7b334fc | 2010-09-09 23:51:02 +0100 | [diff] [blame] | 422 | |
Thomas Bächler | 0544edf | 2010-07-02 10:44:23 +0200 | [diff] [blame] | 423 | /* Don't force modeset on machines where it causes a GPU lockup */ |
| 424 | if (dmi_check_system(intel_no_modeset_on_lid)) |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 425 | goto exit; |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 426 | if (!acpi_lid_open()) { |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 427 | /* do modeset on next lid open event */ |
| 428 | dev_priv->modeset_restore = MODESET_ON_LID_OPEN; |
| 429 | goto exit; |
Jesse Barnes | 06891e2 | 2009-09-14 10:58:48 -0700 | [diff] [blame] | 430 | } |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 431 | |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 432 | if (dev_priv->modeset_restore == MODESET_DONE) |
| 433 | goto exit; |
Linus Torvalds | c9354c8 | 2009-11-02 09:29:55 -0800 | [diff] [blame] | 434 | |
Daniel Vetter | 5be19d9 | 2013-10-09 10:47:12 +0200 | [diff] [blame] | 435 | /* |
| 436 | * Some old platform's BIOS love to wreak havoc while the lid is closed. |
| 437 | * We try to detect this here and undo any damage. The split for PCH |
| 438 | * platforms is rather conservative and a bit arbitrary expect that on |
| 439 | * those platforms VGA disabling requires actual legacy VGA I/O access, |
| 440 | * and as part of the cleanup in the hw state restore we also redisable |
| 441 | * the vga plane. |
| 442 | */ |
| 443 | if (!HAS_PCH_SPLIT(dev)) { |
| 444 | drm_modeset_lock_all(dev); |
| 445 | intel_modeset_setup_hw_state(dev, true); |
| 446 | drm_modeset_unlock_all(dev); |
| 447 | } |
Jesse Barnes | 0632419 | 2009-09-10 15:28:05 -0700 | [diff] [blame] | 448 | |
Zhang Rui | b8efb17 | 2013-02-05 15:41:53 +0800 | [diff] [blame] | 449 | dev_priv->modeset_restore = MODESET_DONE; |
| 450 | |
| 451 | exit: |
| 452 | mutex_unlock(&dev_priv->modeset_restore_lock); |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 453 | return NOTIFY_OK; |
| 454 | } |
| 455 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 456 | /** |
| 457 | * intel_lvds_destroy - unregister and free LVDS structures |
| 458 | * @connector: connector to free |
| 459 | * |
| 460 | * Unregister the DDC bus for this connector then free the driver private |
| 461 | * structure. |
| 462 | */ |
| 463 | static void intel_lvds_destroy(struct drm_connector *connector) |
| 464 | { |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 465 | struct intel_lvds_connector *lvds_connector = |
| 466 | to_lvds_connector(connector); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 467 | |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 468 | if (lvds_connector->lid_notifier.notifier_call) |
| 469 | acpi_lid_notifier_unregister(&lvds_connector->lid_notifier); |
Matthew Garrett | aaa6fd2 | 2011-08-12 12:11:33 +0200 | [diff] [blame] | 470 | |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 471 | if (!IS_ERR_OR_NULL(lvds_connector->base.edid)) |
| 472 | kfree(lvds_connector->base.edid); |
| 473 | |
Jani Nikula | 1d50870 | 2012-10-19 14:51:49 +0300 | [diff] [blame] | 474 | intel_panel_fini(&lvds_connector->base.panel); |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 475 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 476 | drm_connector_cleanup(connector); |
| 477 | kfree(connector); |
| 478 | } |
| 479 | |
Jesse Barnes | 335041e | 2009-01-22 22:22:06 +1000 | [diff] [blame] | 480 | static int intel_lvds_set_property(struct drm_connector *connector, |
| 481 | struct drm_property *property, |
| 482 | uint64_t value) |
| 483 | { |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 484 | struct intel_connector *intel_connector = to_intel_connector(connector); |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 485 | struct drm_device *dev = connector->dev; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 486 | |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 487 | if (property == dev->mode_config.scaling_mode_property) { |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 488 | struct drm_crtc *crtc; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 489 | |
Jesse Barnes | 53bd838 | 2009-07-01 10:04:40 -0700 | [diff] [blame] | 490 | if (value == DRM_MODE_SCALE_NONE) { |
| 491 | DRM_DEBUG_KMS("no scaling not supported\n"); |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 492 | return -EINVAL; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 493 | } |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 494 | |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 495 | if (intel_connector->panel.fitting_mode == value) { |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 496 | /* the LVDS scaling property is not changed */ |
| 497 | return 0; |
| 498 | } |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 499 | intel_connector->panel.fitting_mode = value; |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 500 | |
| 501 | crtc = intel_attached_encoder(connector)->base.crtc; |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 502 | if (crtc && crtc->enabled) { |
| 503 | /* |
| 504 | * If the CRTC is enabled, the display will be changed |
| 505 | * according to the new panel fitting mode. |
| 506 | */ |
Chris Wilson | c0c36b94 | 2012-12-19 16:08:43 +0000 | [diff] [blame] | 507 | intel_crtc_restore_mode(crtc); |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 508 | } |
| 509 | } |
| 510 | |
Jesse Barnes | 335041e | 2009-01-22 22:22:06 +1000 | [diff] [blame] | 511 | return 0; |
| 512 | } |
| 513 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 514 | static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs = { |
| 515 | .get_modes = intel_lvds_get_modes, |
| 516 | .mode_valid = intel_lvds_mode_valid, |
Chris Wilson | df0e924 | 2010-09-09 16:20:55 +0100 | [diff] [blame] | 517 | .best_encoder = intel_best_encoder, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 518 | }; |
| 519 | |
| 520 | static const struct drm_connector_funcs intel_lvds_connector_funcs = { |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 521 | .dpms = intel_connector_dpms, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 522 | .detect = intel_lvds_detect, |
| 523 | .fill_modes = drm_helper_probe_single_connector_modes, |
Jesse Barnes | 335041e | 2009-01-22 22:22:06 +1000 | [diff] [blame] | 524 | .set_property = intel_lvds_set_property, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 525 | .destroy = intel_lvds_destroy, |
| 526 | }; |
| 527 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 528 | static const struct drm_encoder_funcs intel_lvds_enc_funcs = { |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 529 | .destroy = intel_encoder_destroy, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 530 | }; |
| 531 | |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 532 | static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id) |
| 533 | { |
Daniel Vetter | bc0daf4 | 2012-04-01 13:16:49 +0200 | [diff] [blame] | 534 | DRM_INFO("Skipping LVDS initialization for %s\n", id->ident); |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 535 | return 1; |
| 536 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 537 | |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 538 | /* These systems claim to have LVDS, but really don't */ |
Jaswinder Singh Rajput | 93c05f2 | 2009-06-04 09:41:19 +1000 | [diff] [blame] | 539 | static const struct dmi_system_id intel_no_lvds[] = { |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 540 | { |
| 541 | .callback = intel_no_lvds_dmi_callback, |
| 542 | .ident = "Apple Mac Mini (Core series)", |
| 543 | .matches = { |
Keith Packard | 98acd46 | 2009-06-14 12:31:58 -0700 | [diff] [blame] | 544 | DMI_MATCH(DMI_SYS_VENDOR, "Apple"), |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 545 | DMI_MATCH(DMI_PRODUCT_NAME, "Macmini1,1"), |
| 546 | }, |
| 547 | }, |
| 548 | { |
| 549 | .callback = intel_no_lvds_dmi_callback, |
| 550 | .ident = "Apple Mac Mini (Core 2 series)", |
| 551 | .matches = { |
Keith Packard | 98acd46 | 2009-06-14 12:31:58 -0700 | [diff] [blame] | 552 | DMI_MATCH(DMI_SYS_VENDOR, "Apple"), |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 553 | DMI_MATCH(DMI_PRODUCT_NAME, "Macmini2,1"), |
| 554 | }, |
| 555 | }, |
| 556 | { |
| 557 | .callback = intel_no_lvds_dmi_callback, |
| 558 | .ident = "MSI IM-945GSE-A", |
| 559 | .matches = { |
| 560 | DMI_MATCH(DMI_SYS_VENDOR, "MSI"), |
| 561 | DMI_MATCH(DMI_PRODUCT_NAME, "A9830IMS"), |
| 562 | }, |
| 563 | }, |
| 564 | { |
| 565 | .callback = intel_no_lvds_dmi_callback, |
| 566 | .ident = "Dell Studio Hybrid", |
| 567 | .matches = { |
| 568 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
| 569 | DMI_MATCH(DMI_PRODUCT_NAME, "Studio Hybrid 140g"), |
| 570 | }, |
| 571 | }, |
Jarod Wilson | 70aa96c | 2009-05-27 17:20:39 -0400 | [diff] [blame] | 572 | { |
| 573 | .callback = intel_no_lvds_dmi_callback, |
Pieterjan Camerlynck | b066254 | 2011-07-26 16:23:54 +0200 | [diff] [blame] | 574 | .ident = "Dell OptiPlex FX170", |
| 575 | .matches = { |
| 576 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
| 577 | DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex FX170"), |
| 578 | }, |
| 579 | }, |
| 580 | { |
| 581 | .callback = intel_no_lvds_dmi_callback, |
Jarod Wilson | 70aa96c | 2009-05-27 17:20:39 -0400 | [diff] [blame] | 582 | .ident = "AOpen Mini PC", |
| 583 | .matches = { |
| 584 | DMI_MATCH(DMI_SYS_VENDOR, "AOpen"), |
| 585 | DMI_MATCH(DMI_PRODUCT_NAME, "i965GMx-IF"), |
| 586 | }, |
| 587 | }, |
Michael Cousin | fa0864b | 2009-06-05 21:16:22 +0200 | [diff] [blame] | 588 | { |
| 589 | .callback = intel_no_lvds_dmi_callback, |
Tormod Volden | ed8c754 | 2009-07-13 22:26:48 +0200 | [diff] [blame] | 590 | .ident = "AOpen Mini PC MP915", |
| 591 | .matches = { |
| 592 | DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"), |
| 593 | DMI_MATCH(DMI_BOARD_NAME, "i915GMx-F"), |
| 594 | }, |
| 595 | }, |
| 596 | { |
| 597 | .callback = intel_no_lvds_dmi_callback, |
Knut Petersen | 22ab70d | 2011-01-14 15:38:10 +0000 | [diff] [blame] | 598 | .ident = "AOpen i915GMm-HFS", |
| 599 | .matches = { |
| 600 | DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"), |
| 601 | DMI_MATCH(DMI_BOARD_NAME, "i915GMm-HFS"), |
| 602 | }, |
| 603 | }, |
| 604 | { |
| 605 | .callback = intel_no_lvds_dmi_callback, |
Daniel Vetter | e57b688 | 2012-02-08 16:42:52 +0100 | [diff] [blame] | 606 | .ident = "AOpen i45GMx-I", |
| 607 | .matches = { |
| 608 | DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"), |
| 609 | DMI_MATCH(DMI_BOARD_NAME, "i45GMx-I"), |
| 610 | }, |
| 611 | }, |
| 612 | { |
| 613 | .callback = intel_no_lvds_dmi_callback, |
Michael Cousin | fa0864b | 2009-06-05 21:16:22 +0200 | [diff] [blame] | 614 | .ident = "Aopen i945GTt-VFA", |
| 615 | .matches = { |
| 616 | DMI_MATCH(DMI_PRODUCT_VERSION, "AO00001JW"), |
| 617 | }, |
| 618 | }, |
Stefan Bader | 9875557ee8 | 2010-03-29 17:53:12 +0200 | [diff] [blame] | 619 | { |
| 620 | .callback = intel_no_lvds_dmi_callback, |
| 621 | .ident = "Clientron U800", |
| 622 | .matches = { |
| 623 | DMI_MATCH(DMI_SYS_VENDOR, "Clientron"), |
| 624 | DMI_MATCH(DMI_PRODUCT_NAME, "U800"), |
| 625 | }, |
| 626 | }, |
Hans de Goede | 6a574b5 | 2011-06-04 15:39:21 +0200 | [diff] [blame] | 627 | { |
Joel Sass | 44306ab | 2012-01-10 13:03:55 -0500 | [diff] [blame] | 628 | .callback = intel_no_lvds_dmi_callback, |
| 629 | .ident = "Clientron E830", |
| 630 | .matches = { |
| 631 | DMI_MATCH(DMI_SYS_VENDOR, "Clientron"), |
| 632 | DMI_MATCH(DMI_PRODUCT_NAME, "E830"), |
| 633 | }, |
| 634 | }, |
| 635 | { |
Hans de Goede | 6a574b5 | 2011-06-04 15:39:21 +0200 | [diff] [blame] | 636 | .callback = intel_no_lvds_dmi_callback, |
| 637 | .ident = "Asus EeeBox PC EB1007", |
| 638 | .matches = { |
| 639 | DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), |
| 640 | DMI_MATCH(DMI_PRODUCT_NAME, "EB1007"), |
| 641 | }, |
| 642 | }, |
Adam Jackson | 0999bbe | 2011-11-28 12:22:56 -0500 | [diff] [blame] | 643 | { |
| 644 | .callback = intel_no_lvds_dmi_callback, |
| 645 | .ident = "Asus AT5NM10T-I", |
| 646 | .matches = { |
| 647 | DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), |
| 648 | DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"), |
| 649 | }, |
| 650 | }, |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 651 | { |
| 652 | .callback = intel_no_lvds_dmi_callback, |
Ben Mesman | 45a211d | 2013-04-16 20:00:28 +0200 | [diff] [blame] | 653 | .ident = "Hewlett-Packard HP t5740", |
Jan-Benedict Glaw | 3347111 | 2012-05-22 15:21:53 +0200 | [diff] [blame] | 654 | .matches = { |
| 655 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
Ben Mesman | 45a211d | 2013-04-16 20:00:28 +0200 | [diff] [blame] | 656 | DMI_MATCH(DMI_PRODUCT_NAME, " t5740"), |
Jan-Benedict Glaw | 3347111 | 2012-05-22 15:21:53 +0200 | [diff] [blame] | 657 | }, |
| 658 | }, |
| 659 | { |
| 660 | .callback = intel_no_lvds_dmi_callback, |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 661 | .ident = "Hewlett-Packard t5745", |
| 662 | .matches = { |
| 663 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
Marc Gariepy | 6200497 | 2012-05-01 13:37:57 -0400 | [diff] [blame] | 664 | DMI_MATCH(DMI_PRODUCT_NAME, "hp t5745"), |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 665 | }, |
| 666 | }, |
| 667 | { |
| 668 | .callback = intel_no_lvds_dmi_callback, |
| 669 | .ident = "Hewlett-Packard st5747", |
| 670 | .matches = { |
| 671 | DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), |
Marc Gariepy | 6200497 | 2012-05-01 13:37:57 -0400 | [diff] [blame] | 672 | DMI_MATCH(DMI_PRODUCT_NAME, "hp st5747"), |
Marc Gariepy | f5b8a7e | 2012-02-09 09:35:21 -0500 | [diff] [blame] | 673 | }, |
| 674 | }, |
Anisse Astier | 97effad | 2012-03-07 18:36:35 +0100 | [diff] [blame] | 675 | { |
| 676 | .callback = intel_no_lvds_dmi_callback, |
| 677 | .ident = "MSI Wind Box DC500", |
| 678 | .matches = { |
| 679 | DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"), |
| 680 | DMI_MATCH(DMI_BOARD_NAME, "MS-7469"), |
| 681 | }, |
| 682 | }, |
Sjoerd Simons | 9756fe3 | 2012-06-22 09:43:07 +0200 | [diff] [blame] | 683 | { |
| 684 | .callback = intel_no_lvds_dmi_callback, |
Calvin Walton | a51d4ed | 2012-08-24 07:56:31 -0400 | [diff] [blame] | 685 | .ident = "Gigabyte GA-D525TUD", |
| 686 | .matches = { |
| 687 | DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co., Ltd."), |
| 688 | DMI_MATCH(DMI_BOARD_NAME, "D525TUD"), |
| 689 | }, |
| 690 | }, |
Chris Wilson | c31407a | 2012-10-18 21:07:01 +0100 | [diff] [blame] | 691 | { |
| 692 | .callback = intel_no_lvds_dmi_callback, |
| 693 | .ident = "Supermicro X7SPA-H", |
| 694 | .matches = { |
| 695 | DMI_MATCH(DMI_SYS_VENDOR, "Supermicro"), |
| 696 | DMI_MATCH(DMI_PRODUCT_NAME, "X7SPA-H"), |
| 697 | }, |
| 698 | }, |
Christian Lamparter | 9e9dd0e | 2013-04-03 14:34:11 +0200 | [diff] [blame] | 699 | { |
| 700 | .callback = intel_no_lvds_dmi_callback, |
| 701 | .ident = "Fujitsu Esprimo Q900", |
| 702 | .matches = { |
| 703 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), |
| 704 | DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Q900"), |
| 705 | }, |
| 706 | }, |
Chris Wilson | e5614f0 | 2013-07-03 15:05:03 -0700 | [diff] [blame] | 707 | { |
| 708 | .callback = intel_no_lvds_dmi_callback, |
Rob Pearce | 645378d | 2013-10-27 16:13:42 +0000 | [diff] [blame] | 709 | .ident = "Intel D410PT", |
| 710 | .matches = { |
| 711 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel"), |
| 712 | DMI_MATCH(DMI_BOARD_NAME, "D410PT"), |
| 713 | }, |
| 714 | }, |
| 715 | { |
| 716 | .callback = intel_no_lvds_dmi_callback, |
| 717 | .ident = "Intel D425KT", |
| 718 | .matches = { |
| 719 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel"), |
| 720 | DMI_EXACT_MATCH(DMI_BOARD_NAME, "D425KT"), |
| 721 | }, |
| 722 | }, |
| 723 | { |
| 724 | .callback = intel_no_lvds_dmi_callback, |
Chris Wilson | e5614f0 | 2013-07-03 15:05:03 -0700 | [diff] [blame] | 725 | .ident = "Intel D510MO", |
| 726 | .matches = { |
| 727 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel"), |
| 728 | DMI_EXACT_MATCH(DMI_BOARD_NAME, "D510MO"), |
| 729 | }, |
| 730 | }, |
Jani Nikula | dcf6d29 | 2013-07-03 15:05:05 -0700 | [diff] [blame] | 731 | { |
| 732 | .callback = intel_no_lvds_dmi_callback, |
| 733 | .ident = "Intel D525MW", |
| 734 | .matches = { |
| 735 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel"), |
| 736 | DMI_EXACT_MATCH(DMI_BOARD_NAME, "D525MW"), |
| 737 | }, |
| 738 | }, |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 739 | |
| 740 | { } /* terminating entry */ |
| 741 | }; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 742 | |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 743 | /* |
| 744 | * Enumerate the child dev array parsed from VBT to check whether |
| 745 | * the LVDS is present. |
| 746 | * If it is present, return 1. |
| 747 | * If it is not present, return false. |
| 748 | * 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] | 749 | */ |
Chris Wilson | 270eea0 | 2010-09-24 01:15:02 +0100 | [diff] [blame] | 750 | static bool lvds_is_present_in_vbt(struct drm_device *dev, |
| 751 | u8 *i2c_pin) |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 752 | { |
| 753 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 754 | int i; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 755 | |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 756 | if (!dev_priv->vbt.child_dev_num) |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 757 | return true; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 758 | |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 759 | for (i = 0; i < dev_priv->vbt.child_dev_num; i++) { |
Paulo Zanoni | 768f69c | 2013-09-11 18:02:47 -0300 | [diff] [blame] | 760 | union child_device_config *uchild = dev_priv->vbt.child_dev + i; |
| 761 | struct old_child_dev_config *child = &uchild->old; |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 762 | |
| 763 | /* If the device type is not LFP, continue. |
| 764 | * We have to check both the new identifiers as well as the |
| 765 | * old for compatibility with some BIOSes. |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 766 | */ |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 767 | if (child->device_type != DEVICE_TYPE_INT_LFP && |
| 768 | child->device_type != DEVICE_TYPE_LFP) |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 769 | continue; |
| 770 | |
Daniel Kurtz | 3bd7d90 | 2012-03-28 02:36:14 +0800 | [diff] [blame] | 771 | if (intel_gmbus_is_port_valid(child->i2c_pin)) |
| 772 | *i2c_pin = child->i2c_pin; |
Chris Wilson | 270eea0 | 2010-09-24 01:15:02 +0100 | [diff] [blame] | 773 | |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 774 | /* However, we cannot trust the BIOS writers to populate |
| 775 | * the VBT correctly. Since LVDS requires additional |
| 776 | * information from AIM blocks, a non-zero addin offset is |
| 777 | * a good indicator that the LVDS is actually present. |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 778 | */ |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 779 | if (child->addin_offset) |
| 780 | return true; |
| 781 | |
| 782 | /* But even then some BIOS writers perform some black magic |
| 783 | * and instantiate the device without reference to any |
| 784 | * additional data. Trust that if the VBT was written into |
| 785 | * the OpRegion then they have validated the LVDS's existence. |
| 786 | */ |
| 787 | if (dev_priv->opregion.vbt) |
| 788 | return true; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 789 | } |
Chris Wilson | 425904d | 2010-08-22 18:21:42 +0100 | [diff] [blame] | 790 | |
| 791 | return false; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 792 | } |
| 793 | |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 794 | static int intel_dual_link_lvds_callback(const struct dmi_system_id *id) |
| 795 | { |
| 796 | DRM_INFO("Forcing lvds to dual link mode on %s\n", id->ident); |
| 797 | return 1; |
| 798 | } |
| 799 | |
| 800 | static const struct dmi_system_id intel_dual_link_lvds[] = { |
| 801 | { |
| 802 | .callback = intel_dual_link_lvds_callback, |
| 803 | .ident = "Apple MacBook Pro (Core i5/i7 Series)", |
| 804 | .matches = { |
| 805 | DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), |
| 806 | DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro8,2"), |
| 807 | }, |
| 808 | }, |
| 809 | { } /* terminating entry */ |
| 810 | }; |
| 811 | |
| 812 | bool intel_is_dual_link_lvds(struct drm_device *dev) |
| 813 | { |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 814 | struct intel_encoder *encoder; |
| 815 | struct intel_lvds_encoder *lvds_encoder; |
| 816 | |
| 817 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 818 | base.head) { |
| 819 | if (encoder->type == INTEL_OUTPUT_LVDS) { |
| 820 | lvds_encoder = to_lvds_encoder(&encoder->base); |
| 821 | |
| 822 | return lvds_encoder->is_dual_link; |
| 823 | } |
| 824 | } |
| 825 | |
| 826 | return false; |
| 827 | } |
| 828 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 829 | 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] | 830 | { |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 831 | struct drm_device *dev = lvds_encoder->base.base.dev; |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 832 | unsigned int val; |
| 833 | struct drm_i915_private *dev_priv = dev->dev_private; |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 834 | |
| 835 | /* use the module option value if specified */ |
Jani Nikula | d330a95 | 2014-01-21 11:24:25 +0200 | [diff] [blame] | 836 | if (i915.lvds_channel_mode > 0) |
| 837 | return i915.lvds_channel_mode == 2; |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 838 | |
| 839 | if (dmi_check_system(intel_dual_link_lvds)) |
| 840 | return true; |
| 841 | |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 842 | /* BIOS should set the proper LVDS register value at boot, but |
| 843 | * in reality, it doesn't set the value when the lid is closed; |
| 844 | * we need to check "the value to be set" in VBT when LVDS |
| 845 | * register is uninitialized. |
| 846 | */ |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 847 | val = I915_READ(lvds_encoder->reg); |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 848 | if (!(val & ~(LVDS_PIPE_MASK | LVDS_DETECTED))) |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 849 | val = dev_priv->vbt.bios_lvds_val; |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 850 | |
Daniel Vetter | 1974cad | 2012-11-26 17:22:09 +0100 | [diff] [blame] | 851 | return (val & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP; |
| 852 | } |
| 853 | |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 854 | static bool intel_lvds_supported(struct drm_device *dev) |
| 855 | { |
| 856 | /* With the introduction of the PCH we gained a dedicated |
| 857 | * LVDS presence pin, use it. */ |
Paulo Zanoni | 311e359 | 2013-03-06 20:03:19 -0300 | [diff] [blame] | 858 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 859 | return true; |
| 860 | |
| 861 | /* Otherwise LVDS was only attached to mobile products, |
| 862 | * except for the inglorious 830gm */ |
Paulo Zanoni | 311e359 | 2013-03-06 20:03:19 -0300 | [diff] [blame] | 863 | if (INTEL_INFO(dev)->gen <= 4 && IS_MOBILE(dev) && !IS_I830(dev)) |
| 864 | return true; |
| 865 | |
| 866 | return false; |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 867 | } |
| 868 | |
Zhao Yakui | 18f9ed1 | 2009-11-20 03:24:16 +0000 | [diff] [blame] | 869 | /** |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 870 | * intel_lvds_init - setup LVDS connectors on this device |
| 871 | * @dev: drm device |
| 872 | * |
| 873 | * Create the connector, register the LVDS DDC bus, and try to figure out what |
| 874 | * modes we can display on the LVDS panel (if present). |
| 875 | */ |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 876 | void intel_lvds_init(struct drm_device *dev) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 877 | { |
| 878 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 879 | struct intel_lvds_encoder *lvds_encoder; |
Eric Anholt | 21d40d3 | 2010-03-25 11:11:14 -0700 | [diff] [blame] | 880 | struct intel_encoder *intel_encoder; |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 881 | struct intel_lvds_connector *lvds_connector; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 882 | struct intel_connector *intel_connector; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 883 | struct drm_connector *connector; |
| 884 | struct drm_encoder *encoder; |
| 885 | struct drm_display_mode *scan; /* *modes, *bios_mode; */ |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 886 | struct drm_display_mode *fixed_mode = NULL; |
Vandana Kannan | 4b6ed68 | 2014-02-11 14:26:36 +0530 | [diff] [blame] | 887 | struct drm_display_mode *downclock_mode = NULL; |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 888 | struct edid *edid; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 889 | struct drm_crtc *crtc; |
| 890 | u32 lvds; |
Chris Wilson | 270eea0 | 2010-09-24 01:15:02 +0100 | [diff] [blame] | 891 | int pipe; |
| 892 | u8 pin; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 893 | |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 894 | if (!intel_lvds_supported(dev)) |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 895 | return; |
Chris Wilson | f3cfcba | 2012-02-09 09:35:53 +0000 | [diff] [blame] | 896 | |
Jarod Wilson | 425d244 | 2009-05-05 10:00:25 -0400 | [diff] [blame] | 897 | /* Skip init on machines we know falsely report LVDS */ |
| 898 | if (dmi_check_system(intel_no_lvds)) |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 899 | return; |
Paul Collins | 565dcd4 | 2009-02-04 23:05:41 +1300 | [diff] [blame] | 900 | |
Chris Wilson | 270eea0 | 2010-09-24 01:15:02 +0100 | [diff] [blame] | 901 | pin = GMBUS_PORT_PANEL; |
| 902 | if (!lvds_is_present_in_vbt(dev, &pin)) { |
Matthew Garrett | 11ba159 | 2009-12-15 13:55:24 -0500 | [diff] [blame] | 903 | DRM_DEBUG_KMS("LVDS is not present in VBT\n"); |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 904 | return; |
Zhao Yakui | 7cf4f69 | 2009-11-24 09:48:47 +0800 | [diff] [blame] | 905 | } |
Zhao Yakui | e99da35 | 2009-06-26 09:46:18 +0800 | [diff] [blame] | 906 | |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 907 | if (HAS_PCH_SPLIT(dev)) { |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 908 | if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0) |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 909 | return; |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 910 | if (dev_priv->vbt.edp_support) { |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 911 | DRM_DEBUG_KMS("disable LVDS for eDP support\n"); |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 912 | return; |
Zhenyu Wang | 32f9d65 | 2009-07-24 01:00:32 +0800 | [diff] [blame] | 913 | } |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 914 | } |
| 915 | |
Daniel Vetter | b14c567 | 2013-09-19 12:18:32 +0200 | [diff] [blame] | 916 | lvds_encoder = kzalloc(sizeof(*lvds_encoder), GFP_KERNEL); |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 917 | if (!lvds_encoder) |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 918 | return; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 919 | |
Daniel Vetter | b14c567 | 2013-09-19 12:18:32 +0200 | [diff] [blame] | 920 | lvds_connector = kzalloc(sizeof(*lvds_connector), GFP_KERNEL); |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 921 | if (!lvds_connector) { |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 922 | kfree(lvds_encoder); |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 923 | return; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 924 | } |
| 925 | |
Jani Nikula | 62165e0 | 2012-10-19 14:51:47 +0300 | [diff] [blame] | 926 | lvds_encoder->attached_connector = lvds_connector; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 927 | |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 928 | intel_encoder = &lvds_encoder->base; |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 929 | encoder = &intel_encoder->base; |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 930 | intel_connector = &lvds_connector->base; |
Chris Wilson | ea5b213 | 2010-08-04 13:50:23 +0100 | [diff] [blame] | 931 | connector = &intel_connector->base; |
Zhenyu Wang | bb8a356 | 2010-03-29 16:40:50 +0800 | [diff] [blame] | 932 | drm_connector_init(dev, &intel_connector->base, &intel_lvds_connector_funcs, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 933 | DRM_MODE_CONNECTOR_LVDS); |
| 934 | |
Chris Wilson | 4ef69c7 | 2010-09-09 15:14:28 +0100 | [diff] [blame] | 935 | drm_encoder_init(dev, &intel_encoder->base, &intel_lvds_enc_funcs, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 936 | DRM_MODE_ENCODER_LVDS); |
| 937 | |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 938 | intel_encoder->enable = intel_enable_lvds; |
Daniel Vetter | f6736a1 | 2013-06-05 13:34:30 +0200 | [diff] [blame] | 939 | intel_encoder->pre_enable = intel_pre_enable_lvds; |
Daniel Vetter | 7ae8923 | 2013-03-27 00:44:52 +0100 | [diff] [blame] | 940 | intel_encoder->compute_config = intel_lvds_compute_config; |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 941 | intel_encoder->disable = intel_disable_lvds; |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 942 | intel_encoder->get_hw_state = intel_lvds_get_hw_state; |
Jesse Barnes | 045ac3b | 2013-05-14 17:08:26 -0700 | [diff] [blame] | 943 | intel_encoder->get_config = intel_lvds_get_config; |
Daniel Vetter | b1dc332 | 2012-07-02 21:09:00 +0200 | [diff] [blame] | 944 | intel_connector->get_hw_state = intel_connector_get_hw_state; |
Imre Deak | 4932e2c | 2014-02-11 17:12:48 +0200 | [diff] [blame] | 945 | intel_connector->unregister = intel_connector_unregister; |
Daniel Vetter | c22834e | 2012-06-30 15:31:28 +0200 | [diff] [blame] | 946 | |
Chris Wilson | df0e924 | 2010-09-09 16:20:55 +0100 | [diff] [blame] | 947 | intel_connector_attach_encoder(intel_connector, intel_encoder); |
Eric Anholt | 21d40d3 | 2010-03-25 11:11:14 -0700 | [diff] [blame] | 948 | intel_encoder->type = INTEL_OUTPUT_LVDS; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 949 | |
Ville Syrjälä | bc079e8 | 2014-03-03 16:15:28 +0200 | [diff] [blame] | 950 | intel_encoder->cloneable = 0; |
Jesse Barnes | 27f8227 | 2011-09-02 12:54:37 -0700 | [diff] [blame] | 951 | if (HAS_PCH_SPLIT(dev)) |
| 952 | intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2); |
Daniel Vetter | 0b9f43a | 2012-06-05 10:07:11 +0200 | [diff] [blame] | 953 | else if (IS_GEN4(dev)) |
| 954 | intel_encoder->crtc_mask = (1 << 0) | (1 << 1); |
Jesse Barnes | 27f8227 | 2011-09-02 12:54:37 -0700 | [diff] [blame] | 955 | else |
| 956 | intel_encoder->crtc_mask = (1 << 1); |
| 957 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 958 | drm_connector_helper_add(connector, &intel_lvds_connector_helper_funcs); |
| 959 | connector->display_info.subpixel_order = SubPixelHorizontalRGB; |
| 960 | connector->interlace_allowed = false; |
| 961 | connector->doublescan_allowed = false; |
| 962 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 963 | if (HAS_PCH_SPLIT(dev)) { |
| 964 | lvds_encoder->reg = PCH_LVDS; |
| 965 | } else { |
| 966 | lvds_encoder->reg = LVDS; |
| 967 | } |
| 968 | |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 969 | /* create the scaling mode property */ |
| 970 | drm_mode_create_scaling_mode_property(dev); |
Rob Clark | 662595d | 2012-10-11 20:36:04 -0500 | [diff] [blame] | 971 | drm_object_attach_property(&connector->base, |
Zhao Yakui | 3fbe18d | 2009-06-22 15:31:25 +0800 | [diff] [blame] | 972 | dev->mode_config.scaling_mode_property, |
Jesse Barnes | dd1ea37 | 2010-06-24 11:05:10 -0700 | [diff] [blame] | 973 | DRM_MODE_SCALE_ASPECT); |
Jani Nikula | 4d89152 | 2012-10-26 12:03:59 +0300 | [diff] [blame] | 974 | intel_connector->panel.fitting_mode = DRM_MODE_SCALE_ASPECT; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 975 | /* |
| 976 | * LVDS discovery: |
| 977 | * 1) check for EDID on DDC |
| 978 | * 2) check for VBT data |
| 979 | * 3) check to see if LVDS is already on |
| 980 | * if none of the above, no panel |
| 981 | * 4) make sure lid is open |
| 982 | * if closed, act like it's not there for now |
| 983 | */ |
| 984 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 985 | /* |
| 986 | * Attempt to get the fixed panel mode from DDC. Assume that the |
| 987 | * preferred mode is the right one. |
| 988 | */ |
Daniel Vetter | 4da9854 | 2014-03-21 23:22:35 +0100 | [diff] [blame] | 989 | mutex_lock(&dev->mode_config.mutex); |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 990 | edid = drm_get_edid(connector, intel_gmbus_get_adapter(dev_priv, pin)); |
| 991 | if (edid) { |
| 992 | if (drm_add_edid_modes(connector, edid)) { |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 993 | drm_mode_connector_update_edid_property(connector, |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 994 | edid); |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 995 | } else { |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 996 | kfree(edid); |
| 997 | edid = ERR_PTR(-EINVAL); |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 998 | } |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 999 | } else { |
| 1000 | edid = ERR_PTR(-ENOENT); |
Chris Wilson | 3f8ff0e | 2010-11-08 23:20:52 +0000 | [diff] [blame] | 1001 | } |
Jani Nikula | 9cd300e | 2012-10-19 14:51:52 +0300 | [diff] [blame] | 1002 | lvds_connector->base.edid = edid; |
| 1003 | |
| 1004 | if (IS_ERR_OR_NULL(edid)) { |
Chris Wilson | 788319d | 2010-09-12 17:34:41 +0100 | [diff] [blame] | 1005 | /* Didn't get an EDID, so |
| 1006 | * Set wide sync ranges so we get all modes |
| 1007 | * handed to valid_mode for checking |
| 1008 | */ |
| 1009 | connector->display_info.min_vfreq = 0; |
| 1010 | connector->display_info.max_vfreq = 200; |
| 1011 | connector->display_info.min_hfreq = 0; |
| 1012 | connector->display_info.max_hfreq = 200; |
| 1013 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1014 | |
| 1015 | list_for_each_entry(scan, &connector->probed_modes, head) { |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1016 | if (scan->type & DRM_MODE_TYPE_PREFERRED) { |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1017 | DRM_DEBUG_KMS("using preferred mode from EDID: "); |
| 1018 | drm_mode_debug_printmodeline(scan); |
| 1019 | |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1020 | fixed_mode = drm_mode_duplicate(dev, scan); |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1021 | if (fixed_mode) { |
Vandana Kannan | 4b6ed68 | 2014-02-11 14:26:36 +0530 | [diff] [blame] | 1022 | downclock_mode = |
Vandana Kannan | ec9ed19 | 2013-12-10 13:37:36 +0530 | [diff] [blame] | 1023 | intel_find_panel_downclock(dev, |
| 1024 | fixed_mode, connector); |
Vandana Kannan | 4b6ed68 | 2014-02-11 14:26:36 +0530 | [diff] [blame] | 1025 | if (downclock_mode != NULL && |
| 1026 | i915.lvds_downclock) { |
Vandana Kannan | ec9ed19 | 2013-12-10 13:37:36 +0530 | [diff] [blame] | 1027 | /* We found the downclock for LVDS. */ |
| 1028 | dev_priv->lvds_downclock_avail = true; |
| 1029 | dev_priv->lvds_downclock = |
Vandana Kannan | ec9ed19 | 2013-12-10 13:37:36 +0530 | [diff] [blame] | 1030 | downclock_mode->clock; |
| 1031 | DRM_DEBUG_KMS("LVDS downclock is found" |
| 1032 | " in EDID. Normal clock %dKhz, " |
| 1033 | "downclock %dKhz\n", |
| 1034 | fixed_mode->clock, |
| 1035 | dev_priv->lvds_downclock); |
| 1036 | } |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1037 | goto out; |
| 1038 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1039 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1040 | } |
| 1041 | |
| 1042 | /* Failed to get EDID, what about VBT? */ |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 1043 | if (dev_priv->vbt.lfp_lvds_vbt_mode) { |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1044 | DRM_DEBUG_KMS("using mode from VBT: "); |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 1045 | drm_mode_debug_printmodeline(dev_priv->vbt.lfp_lvds_vbt_mode); |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1046 | |
Rodrigo Vivi | 41aa344 | 2013-05-09 20:03:18 -0300 | [diff] [blame] | 1047 | 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] | 1048 | if (fixed_mode) { |
| 1049 | fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; |
Jesse Barnes | e285f3cd | 2009-01-14 10:53:36 -0800 | [diff] [blame] | 1050 | goto out; |
| 1051 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1052 | } |
| 1053 | |
| 1054 | /* |
| 1055 | * If we didn't get EDID, try checking if the panel is already turned |
| 1056 | * on. If so, assume that whatever is currently programmed is the |
| 1057 | * correct mode. |
| 1058 | */ |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 1059 | |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 1060 | /* Ironlake: FIXME if still fail, not try pipe mode now */ |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 1061 | if (HAS_PCH_SPLIT(dev)) |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 1062 | goto failed; |
| 1063 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1064 | lvds = I915_READ(LVDS); |
| 1065 | pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0; |
Chris Wilson | f875c15 | 2010-09-09 15:44:14 +0100 | [diff] [blame] | 1066 | crtc = intel_get_crtc_for_pipe(dev, pipe); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1067 | |
| 1068 | if (crtc && (lvds & LVDS_PORT_EN)) { |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1069 | fixed_mode = intel_crtc_mode_get(dev, crtc); |
| 1070 | if (fixed_mode) { |
Chris Wilson | 6a9d51b | 2012-11-21 16:14:03 +0000 | [diff] [blame] | 1071 | DRM_DEBUG_KMS("using current (BIOS) mode: "); |
| 1072 | drm_mode_debug_printmodeline(fixed_mode); |
Jani Nikula | dd06f90 | 2012-10-19 14:51:50 +0300 | [diff] [blame] | 1073 | fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; |
Paul Collins | 565dcd4 | 2009-02-04 23:05:41 +1300 | [diff] [blame] | 1074 | goto out; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1075 | } |
| 1076 | } |
| 1077 | |
| 1078 | /* 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] | 1079 | if (!fixed_mode) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1080 | goto failed; |
| 1081 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1082 | out: |
Daniel Vetter | 4da9854 | 2014-03-21 23:22:35 +0100 | [diff] [blame] | 1083 | mutex_unlock(&dev->mode_config.mutex); |
| 1084 | |
Daniel Vetter | 7dec060 | 2012-09-11 14:12:25 +0200 | [diff] [blame] | 1085 | lvds_encoder->is_dual_link = compute_is_dual_link_lvds(lvds_encoder); |
Daniel Vetter | 13c7d87 | 2012-11-26 17:22:10 +0100 | [diff] [blame] | 1086 | DRM_DEBUG_KMS("detected %s-link lvds configuration\n", |
| 1087 | lvds_encoder->is_dual_link ? "dual" : "single"); |
| 1088 | |
Daniel Vetter | 24ded20 | 2012-06-05 12:14:54 +0200 | [diff] [blame] | 1089 | /* |
| 1090 | * Unlock registers and just |
| 1091 | * leave them unlocked |
| 1092 | */ |
Eric Anholt | c619eed | 2010-01-28 16:45:52 -0800 | [diff] [blame] | 1093 | if (HAS_PCH_SPLIT(dev)) { |
Keith Packard | ed10fca | 2011-08-06 10:33:12 -0700 | [diff] [blame] | 1094 | I915_WRITE(PCH_PP_CONTROL, |
| 1095 | I915_READ(PCH_PP_CONTROL) | PANEL_UNLOCK_REGS); |
| 1096 | } else { |
Keith Packard | ed10fca | 2011-08-06 10:33:12 -0700 | [diff] [blame] | 1097 | I915_WRITE(PP_CONTROL, |
| 1098 | I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS); |
Zhenyu Wang | 541998a | 2009-06-05 15:38:44 +0800 | [diff] [blame] | 1099 | } |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 1100 | lvds_connector->lid_notifier.notifier_call = intel_lid_notify; |
| 1101 | if (acpi_lid_notifier_register(&lvds_connector->lid_notifier)) { |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 1102 | DRM_DEBUG_KMS("lid notifier registration failed\n"); |
Jani Nikula | db1740a | 2012-10-19 14:51:45 +0300 | [diff] [blame] | 1103 | lvds_connector->lid_notifier.notifier_call = NULL; |
Jesse Barnes | c1c7af6 | 2009-09-10 15:28:03 -0700 | [diff] [blame] | 1104 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1105 | drm_sysfs_connector_add(connector); |
Matthew Garrett | aaa6fd2 | 2011-08-12 12:11:33 +0200 | [diff] [blame] | 1106 | |
Vandana Kannan | 4b6ed68 | 2014-02-11 14:26:36 +0530 | [diff] [blame] | 1107 | intel_panel_init(&intel_connector->panel, fixed_mode, downclock_mode); |
Jani Nikula | 0657b6b | 2012-10-19 14:51:46 +0300 | [diff] [blame] | 1108 | intel_panel_setup_backlight(connector); |
Matthew Garrett | aaa6fd2 | 2011-08-12 12:11:33 +0200 | [diff] [blame] | 1109 | |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 1110 | return; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1111 | |
| 1112 | failed: |
Daniel Vetter | 4da9854 | 2014-03-21 23:22:35 +0100 | [diff] [blame] | 1113 | mutex_unlock(&dev->mode_config.mutex); |
| 1114 | |
Zhao Yakui | 8a4c47f | 2009-07-20 13:48:04 +0800 | [diff] [blame] | 1115 | DRM_DEBUG_KMS("No LVDS modes found, disabling.\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1116 | drm_connector_cleanup(connector); |
Shaohua Li | 1991bdf | 2009-11-17 17:19:23 +0800 | [diff] [blame] | 1117 | drm_encoder_cleanup(encoder); |
Jani Nikula | 29b99b4 | 2012-10-19 14:51:43 +0300 | [diff] [blame] | 1118 | kfree(lvds_encoder); |
Jani Nikula | c7362c4 | 2012-10-19 14:51:44 +0300 | [diff] [blame] | 1119 | kfree(lvds_connector); |
Daniel Vetter | c909335 | 2013-06-06 22:22:47 +0200 | [diff] [blame] | 1120 | return; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1121 | } |