linux-kernel - Re: [v9,3/3] drm/bridge: anx7625: config hs packets end aligned to avoid screen shift

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Message-ID: <20220114102737.GA2606309@anxtwsw-Precision-3640-Tower>
Date:   Fri, 14 Jan 2022 18:27:37 +0800
From:   Xin Ji <xji@...logixsemi.com>
To:     Rex-BC Chen <rex-bc.chen@...iatek.com>, chunkuang.hu@...nel.org,
        matthias.bgg@...il.com, narmstrong@...libre.com,
        robert.foss@...aro.org, daniel@...ll.ch, airlied@...ux.ie,
        p.zabel@...gutronix.de
Cc:     jitao.shi@...iatek.com, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [v9,3/3] drm/bridge: anx7625: config hs packets end aligned to
 avoid screen shift

Hi Rex-BC Chen, thanks for your patch, it is OK for me.

Reviewed-by: Xin Ji <xji@...logixsemi.com>

Thanks,
Xin

On Fri, Jan 14, 2022 at 05:21:10PM +0800, Rex-BC Chen wrote:
> This device requires the packets on lanes aligned at the end to fix
> screen shift or scroll.
> 
> Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
> Signed-off-by: Rex-BC Chen <rex-bc.chen@...iatek.com>
> ---
>  drivers/gpu/drm/bridge/analogix/anx7625.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
> index 2346dbcc505f..fe32ab0878ae 100644
> --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> @@ -1673,7 +1673,8 @@ static int anx7625_attach_dsi(struct anx7625_data *ctx)
>  	dsi->format = MIPI_DSI_FMT_RGB888;
>  	dsi->mode_flags = MIPI_DSI_MODE_VIDEO	|
>  		MIPI_DSI_MODE_VIDEO_SYNC_PULSE	|
> -		MIPI_DSI_MODE_VIDEO_HSE;
> +		MIPI_DSI_MODE_VIDEO_HSE	|
> +		MIPI_DSI_HS_PKT_END_ALIGNED;
>  
>  	ret = devm_mipi_dsi_attach(dev, dsi);
>  	if (ret) {
> -- 
> 2.18.0