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@xxxxxxxxxxxxx>
Acked-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
---
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
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;
+ }
}
/*
--
2.40.0
