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| author | Zhao Yakui <yakui.zhao@intel.com> | 2010-07-19 09:43:11 +0100 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-08-01 19:40:00 -0700 |
| commit | b9efc4804b1e61ee01a0d824c5d27bfdb518fffe (patch) | |
| tree | 56b9e9b609629f7d39ffaec71d6f41fe593abe7f /drivers/gpu/drm/i915 | |
| parent | 81a14b46846fea0741902e8d8dfcc6c6c78154c8 (diff) | |
| download | blackbird-op-linux-b9efc4804b1e61ee01a0d824c5d27bfdb518fffe.tar.gz blackbird-op-linux-b9efc4804b1e61ee01a0d824c5d27bfdb518fffe.zip | |
drm/i915: Add fixed panel mode parsed from EDID for eDP without fixed mode in VBT
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/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f7410cffa8c9..2b99ab23dc8a 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1374,8 +1374,22 @@ static int intel_dp_get_modes(struct drm_connector *connector) */ ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus); - if (ret) + if (ret) { + if ((IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) && + !dev_priv->panel_fixed_mode) { + struct drm_display_mode *newmode; + list_for_each_entry(newmode, &connector->probed_modes, + head) { + if (newmode->type & DRM_MODE_TYPE_PREFERRED) { + dev_priv->panel_fixed_mode = + drm_mode_duplicate(dev, newmode); + break; + } + } + } + return ret; + } /* if eDP has no EDID, try to use fixed panel mode from VBT */ if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) { |
