Set the drm_bridge's ycbcr_420_allowed flag if the YCbCr 420 output is
supported by the hardware.

Cc: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 0031f3c54882..996733ed2c00 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -3503,6 +3503,9 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
 	hdmi->bridge.of_node = pdev->dev.of_node;
 	hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
 
+	if (hdmi->version >= 0x200a)
+		hdmi->bridge.ycbcr_420_allowed = plat_data->ycbcr_420_allowed;
+
 	memset(&pdevinfo, 0, sizeof(pdevinfo));
 	pdevinfo.parent = dev;
 	pdevinfo.id = PLATFORM_DEVID_AUTO;

-- 
2.39.5

On 18/10/2024 23:49, Dmitry Baryshkov wrote:
> Set the drm_bridge's ycbcr_420_allowed flag if the YCbCr 420 output is
> supported by the hardware.
> 
> Cc: Alexander Stein <alexander.stein@ew.tq-group.com>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> ---
>   drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> index 0031f3c54882..996733ed2c00 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
> @@ -3503,6 +3503,9 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
>   	hdmi->bridge.of_node = pdev->dev.of_node;
>   	hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
>   
> +	if (hdmi->version >= 0x200a)
> +		hdmi->bridge.ycbcr_420_allowed = plat_data->ycbcr_420_allowed;
> +
>   	memset(&pdevinfo, 0, sizeof(pdevinfo));
>   	pdevinfo.parent = dev;
>   	pdevinfo.id = PLATFORM_DEVID_AUTO;
> 

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>