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drm/edid: Parse and handle HDMI deep color modes.

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Check the HDMI cea block for deep color mode bits. If available,
assign the highest supported bpc for a hdmi display, corresponding
to the given deep color modes.

Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mario Kleiner
2014-03-27 19:59:39 +01:00
committed by Alex Deucher
parent 89b92339c1
commit d0c94692e0
2 changed files with 113 additions and 2 deletions
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5
include/drm/drm_edid.h
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@@ -202,6 +202,11 @@ struct detailed_timing {
#define DRM_EDID_FEATURE_PM_SUSPEND (1 << 6)
#define DRM_EDID_FEATURE_PM_STANDBY (1 << 7)
#define DRM_EDID_HDMI_DC_48 (1 << 6)
#define DRM_EDID_HDMI_DC_36 (1 << 5)
#define DRM_EDID_HDMI_DC_30 (1 << 4)
#define DRM_EDID_HDMI_DC_Y444 (1 << 3)
struct edid {
u8 header[8];
/* Vendor & product info */