aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu
diff options
context:
space:
mode:
authorAlex Deucher2015-02-11 18:34:36 -0500
committerAlex Deucher2015-02-13 10:03:33 -0500
commit66c2b84ba6256bc5399eed45582af9ebb3ba2c15 (patch)
tree8f939eeed74c5ae392a4766d3df7eea4243363e3 /drivers/gpu
parent96abd10ecc2e9ab5c8060697ce721683f387c64e (diff)
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')
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c4
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;