linux-kernel - Re: [PATCH 6/6] drm/bridge: dw-hdmi: set bridge's ycbcr_420

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Message-ID: <2bcb1942-f636-4e1e-aa32-7755309ca655@linaro.org>
Date: Mon, 21 Oct 2024 09:30:11 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
 Andrzej Hajda <andrzej.hajda@...el.com>, Robert Foss <rfoss@...nel.org>,
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Rob Clark <robdclark@...il.com>, Abhinav Kumar <quic_abhinavk@...cinc.com>,
 Sean Paul <sean@...rly.run>, Marijn Suijten <marijn.suijten@...ainline.org>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
 Alexander Stein <alexander.stein@...tq-group.com>
Subject: Re: [PATCH 6/6] drm/bridge: dw-hdmi: set bridge's ycbcr_420_allowed
 flag

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@...tq-group.com>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.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@...aro.org>