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drm: add bit depth parsing

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EDID 1.4 digital monitors report the bit depth supported in the input
field.  Add support for parsing this out and storing the info in the
display_info structure for use by drivers.

[airlied: tweaked to fix inter-patch dependency]
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jesse Barnes
2011-04-15 12:49:23 -07:00
committed by Dave Airlie
parent e8e7a2b8cc
commit 3b11228b54
3 changed files with 69 additions and 3 deletions
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include/drm/drm_crtc.h
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@ -198,6 +198,7 @@ struct drm_display_info {
unsigned int min_vfreq, max_vfreq;
unsigned int min_hfreq, max_hfreq;
unsigned int pixel_clock;
unsigned int bpc;
enum subpixel_order subpixel_order;