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drm/edid: Fix preferred mode parse for EDID 1.4

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In 1.4, the first detailed mode is always the preferred mode.  The bit
that used to mean that, now means "this mode is the physical size in
pixels".

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Adam Jackson 2010-03-29 21:43:25 +00:00 committed by Dave Airlie
parent 59d8aff6e4
commit a327f6b806
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/drm_edid.c
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@ -1295,7 +1295,10 @@ static int add_detailed_info(struct drm_connector *connector,
for (i = 0; i < EDID_DETAILED_TIMINGS; i++) {
struct detailed_timing *timing = &edid->detailed_timings[i];
int preferred = (i == 0) && (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
int preferred = (i == 0);
if (preferred && edid->version == 1 && edid->revision < 4)
preferred = (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
/* In 1.0, only timings are allowed */
if (!timing->pixel_clock && edid->version == 1 &&