From da05a5a71ad8fc7c51d526151be193b7ef6e6c95 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Fri, 15 Apr 2011 13:48:57 -0700 Subject: drm: parse color format support for digital displays 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 Reviewed-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_edid.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/gpu/drm/drm_edid.c') diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index fe0d3dc..0a9357c 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1429,6 +1429,7 @@ static void drm_add_display_info(struct edid *edid, /* driver figures it out in this case */ info->bpc = 0; + info->color_formats = 0; /* Only defined for 1.4 with digital displays */ if (edid->revision < 4) @@ -1461,6 +1462,12 @@ static void drm_add_display_info(struct edid *edid, info->bpc = 0; break; } + + info->color_formats = DRM_COLOR_FORMAT_RGB444; + if (info->color_formats & DRM_EDID_FEATURE_RGB_YCRCB444) + info->color_formats = DRM_COLOR_FORMAT_YCRCB444; + if (info->color_formats & DRM_EDID_FEATURE_RGB_YCRCB422) + info->color_formats = DRM_COLOR_FORMAT_YCRCB422; } /** -- cgit v1.1