shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 20:07:46 +09:00
Code Issues Packages Projects Releases Wiki Activity

UPSTREAM: drm/edid: Clear old dvi_dual/max_tmds_clock before parsing the new EDID

Browse Source 
Clear out old max_tmds_clock and dvi_dual information (possibly from a
previous EDID) before parsing the current EDID. Tne current EDID might
not even have these in its HDMI VSDB, which would mean that we'd leave
the old stale values in place.

Change-Id: Ia0acb9ca673f8bf9badfda1cf99899298bae464b
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1475070703-6435-3-git-send-email-ville.syrjala@linux.intel.com
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
(cherry picked from commit 75d7e542bd)
This commit is contained in:
Ville Syrjälä
2016-09-28 16:51:35 +03:00
committed by Zheng Yang
parent 7dc29946bd
commit a9541c5897
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/drm_edid.c
View File

@@ -3705,6 +3705,9 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
connector->video_latency[1] = 0;
connector->audio_latency[1] = 0;
connector->max_tmds_clock = 0;
connector->dvi_dual = false;
cea = drm_find_cea_extension(edid);
if (!cea) {
DRM_DEBUG_KMS("ELD: no CEA Extension found\n");