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 <a...@redhat.com>
---
drivers/gpu/drm/drm_edid.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index c052623..fb7c2fc 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1307,7 +1307,10 @@ 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 &&
--
1.6.6.1
------------------------------------------------------------------------------
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