diff options
| author | Zhao Yakui <yakui.zhao@intel.com> | 2010-07-19 09:43:14 +0100 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-08-01 19:40:38 -0700 |
| commit | 7de56f43e06ec6e17f548dfb359d395adbfbb87d (patch) | |
| tree | f5b6344313f2435d25b3f3f85fbba2d003300df0 /drivers/gpu/drm | |
| parent | 0d3a1beecfa54b938edf3ed046902f072e1e180a (diff) | |
| download | blackbird-op-linux-7de56f43e06ec6e17f548dfb359d395adbfbb87d.tar.gz blackbird-op-linux-7de56f43e06ec6e17f548dfb359d395adbfbb87d.zip | |
drm/i915: Validate the mode for eDP by using fixed panel size
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 233e6fd89328..40be1fa65be1 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -150,9 +150,21 @@ intel_dp_mode_valid(struct drm_connector *connector, { struct drm_encoder *encoder = intel_attached_encoder(connector); struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder); + struct intel_dp_priv *dp_priv = intel_encoder->dev_priv; + struct drm_device *dev = connector->dev; + struct drm_i915_private *dev_priv = dev->dev_private; int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_encoder)); int max_lanes = intel_dp_max_lane_count(intel_encoder); + if ((IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) && + dev_priv->panel_fixed_mode) { + if (mode->hdisplay > dev_priv->panel_fixed_mode->hdisplay) + return MODE_PANEL; + + if (mode->vdisplay > dev_priv->panel_fixed_mode->vdisplay) + return MODE_PANEL; + } + /* only refuse the mode on non eDP since we have seen some wierd eDP panels which are outside spec tolerances but somehow work by magic */ if (!IS_eDP(intel_encoder) && |
