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| author | Alex Deucher | 2015-02-12 00:34:36 +0100 |
|---|---|---|
| committer | Alex Deucher | 2015-02-13 16:03:33 +0100 |
| commit | 66c2b84ba6256bc5399eed45582af9ebb3ba2c15 (patch) | |
| tree | 8f939eeed74c5ae392a4766d3df7eea4243363e3 /drivers/gpu/drm | |
| parent | Merge branch 'drm-next-3.20' of git://people.freedesktop.org/~agd5f/linux int... (diff) | |
| download | kernel-qcow2-linux-66c2b84ba6256bc5399eed45582af9ebb3ba2c15.tar.gz kernel-qcow2-linux-66c2b84ba6256bc5399eed45582af9ebb3ba2c15.tar.xz kernel-qcow2-linux-66c2b84ba6256bc5399eed45582af9ebb3ba2c15.zip | |
drm/radeon/dp: Set EDP_CONFIGURATION_SET for bridge chips if necessary
Don't restrict it to just eDP panels. Some LVDS bridge chips require
this. Fixes blank panels on resume on certain laptops. Noticed
by mrnuke on IRC.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=42960
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_dp.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index db42a670f995..5bf825dfaa09 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -623,10 +623,8 @@ static int radeon_dp_link_train_init(struct radeon_dp_link_train_info *dp_info) drm_dp_dpcd_writeb(dp_info->aux, DP_DOWNSPREAD_CTRL, 0); - if ((dp_info->connector->connector_type == DRM_MODE_CONNECTOR_eDP) && - (dig->panel_mode == DP_PANEL_MODE_INTERNAL_DP2_MODE)) { + if (dig->panel_mode == DP_PANEL_MODE_INTERNAL_DP2_MODE) drm_dp_dpcd_writeb(dp_info->aux, DP_EDP_CONFIGURATION_SET, 1); - } /* set the lane count on the sink */ tmp = dp_info->dp_lane_count; |