drm: add bit depth parsing

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>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index d94684b7ba34..ee1cb7012e56 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -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;