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drm: parse color format support for digital displays

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EDID 1.4 digital displays report the color spaces they support in the
features block.  Add support for grabbing this data and stuffing it into
the display_info struct for driver use.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jesse Barnes
2011-04-15 13:48:57 -07:00
committed by Dave Airlie
parent 3b11228b54
commit da05a5a71a
3 changed files with 19 additions and 1 deletions
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5
include/drm/drm_crtc.h
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@ -183,7 +183,9 @@ enum subpixel_order {
SubPixelNone,
};
#define DRM_COLOR_FORMAT_RGB444 (1<<0)
#define DRM_COLOR_FORMAT_YCRCB444 (1<<1)
#define DRM_COLOR_FORMAT_YCRCB422 (1<<2)
/*
* Describes a given display (e.g. CRT or flat panel) and its limitations.
*/
@ -201,6 +203,7 @@ struct drm_display_info {
unsigned int bpc;
enum subpixel_order subpixel_order;
u32 color_formats;
char *raw_edid; /* if any */
};