diff mbox series

[v3,2/3] drm/bridge: dw-hdmi: truly enforce 420-only formats when drm mode demands it

Message ID 6e6a217c180584a67ed7992c785764ba54af9151.1687702042.git.adrian.larumbe@collabora.com (mailing list archive)
State New, archived
Delegated to: Neil Armstrong
Headers show
Series Add additional YUV420 bus format check for dw-meson's bridge enable | expand

Commit Message

Adrián Larumbe June 25, 2023, 2:17 p.m. UTC 
The current output bus format selection logic is enforcing YUV420 even
when the drm mode allows for other bus formats as well.
Fix it by adding check for 420-only drm modes.

Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index e6a456b72610..3a788316e2e5 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2710,9 +2710,10 @@  static u32 *dw_hdmi_bridge_atomic_get_output_bus_fmts(struct drm_bridge *bridge,
 		/* Default 8bit fallback */
 		output_fmts[i++] = MEDIA_BUS_FMT_UYYVYY8_0_5X24;
 
-		*num_output_fmts = i;
-
-		return output_fmts;
+		if (drm_mode_is_420_only(info, mode)) {
+			*num_output_fmts = i;
+			return output_fmts;
+		}
 	}
 
 	/*