[PATCH resend 1/2] drm: Fix EDID color fromat parsing

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The code should obviously check the EDID feature field for EDID feature flags
and not the color_formats field of the drm_display_info struct. Also update the
color_formats field with new modes instead of overwriting the current mode.

Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
 drivers/gpu/drm/drm_edid.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 7ee7be1..a6bb2f5 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1700,10 +1700,10 @@ static void drm_add_display_info(struct edid *edid,
 	}
 
 	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;
+	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
+		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
+	if (edid->features & 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);
-- 
1.7.9

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