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path: root/drivers/gpu/drm/drm_edid.c
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Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 756af4d..7496d24 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1439,6 +1439,8 @@ EXPORT_SYMBOL(drm_detect_monitor_audio);
static void drm_add_display_info(struct edid *edid,
struct drm_display_info *info)
{
+ u8 *edid_ext;
+
info->width_mm = edid->width_cm * 10;
info->height_mm = edid->height_cm * 10;
@@ -1483,6 +1485,13 @@ static void drm_add_display_info(struct edid *edid,
info->color_formats = DRM_COLOR_FORMAT_YCRCB444;
if (info->color_formats & DRM_EDID_FEATURE_RGB_YCRCB422)
info->color_formats = DRM_COLOR_FORMAT_YCRCB422;
+
+ /* Get data from CEA blocks if present */
+ edid_ext = drm_find_cea_extension(edid);
+ if (!edid_ext)
+ return;
+
+ info->cea_rev = edid_ext[1];
}
/**
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