renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-19 10:44:14 +08:00
Code

drm/radeon/kms: bail early for eDP in hotplug callback

Browse Source 
Don't try and en/disable the port as it may be a hpd event from
powering up/down the panel during a modeset or dpms.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2011-05-20 04:34:30 -04:00 committed by Dave Airlie
parent 1e85e1d07b
commit 7c3ed0fd9b
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/radeon/radeon_connectors.c
View File

@ -52,6 +52,12 @@ void radeon_connector_hotplug(struct drm_connector *connector)
radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
/* powering up/down the eDP panel generates hpd events which
* can interfere with modesetting.
*/
if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
return;
/* pre-r600 did not always have the hpd pins mapped accurately to connectors */
if (rdev->family >= CHIP_R600) {
if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))