Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-27 14:41:39 +00:00
Code Issues Packages Projects Releases Wiki Activity

drm: ignore EDID with really tiny modes.

Browse Source 
Some EDIDs lie and report tiny modes that aren't possible. Ignore
these modes.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Adam Jackson 2009-06-04 10:20:34 +10:00 committed by Dave Airlie
parent 6c51d1cfa0
commit fc43896630
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/drm_edid.c
View File

@ -289,6 +289,11 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
struct drm_display_mode *mode;
struct detailed_pixel_timing *pt = &timing->data.pixel_data;
/* ignore tiny modes */
if (((pt->hactive_hi << 8) | pt->hactive_lo) < 64 ||
((pt->vactive_hi << 8) | pt->hactive_lo) < 64)
return NULL;
if (pt->stereo) {
printk(KERN_WARNING "stereo mode not supported\n");
return NULL;