[PATCH] drm: Use drm_mode_is_420_only() instead of open coding it

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Replace the open coded drm_mode_is_420_only() with the real thing.

No functional changes.

Cc: Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/drm_modes.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 33a93fa24eb1..12fcbb7ce179 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1176,16 +1176,11 @@ enum drm_mode_status
 drm_mode_validate_ycbcr420(const struct drm_display_mode *mode,
 			   struct drm_connector *connector)
 {
-	u8 vic = drm_match_cea_mode(mode);
-	enum drm_mode_status status = MODE_OK;
-	struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
-
-	if (test_bit(vic, hdmi->y420_vdb_modes)) {
-		if (!connector->ycbcr_420_allowed)
-			status = MODE_NO_420;
-	}
+	if (!connector->ycbcr_420_allowed &&
+	    drm_mode_is_420_only(&connector->display_info, mode))
+		return MODE_NO_420;
 
-	return status;
+	return MODE_OK;
 }
 EXPORT_SYMBOL(drm_mode_validate_ycbcr420);
 
-- 
2.26.3

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