Subject: Re: [v9, 3/3] drm/bridge: anx7625: config hs packets end aligned to
 avoid screen shift
To:     Rex-BC Chen <rex-bc.chen@mediatek.com>, chunkuang.hu@kernel.org,
        matthias.bgg@gmail.com, narmstrong@baylibre.com,
        robert.foss@linaro.org, andrzej.hajda@intel.com, daniel@ffwll.ch,
        airlied@linux.ie, p.zabel@pengutronix.de
Cc:     xji@analogixsemi.com, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
        Project_Global_Chrome_Upstream_Group@mediatek.com,
        Jitao Shi <jitao.shi@mediatek.com>
References: <20220114092110.12137-1-rex-bc.chen@mediatek.com>
 <20220114092110.12137-4-rex-bc.chen@mediatek.com>
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
Message-ID: <cd19a827-d132-1011-9445-7e425817102a@collabora.com>
Date:   Fri, 14 Jan 2022 10:57:18 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101
 Thunderbird/78.13.0
MIME-Version: 1.0
In-Reply-To: <20220114092110.12137-4-rex-bc.chen@mediatek.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk

Il 14/01/22 10:21, Rex-BC Chen ha scritto:
> This device requires the packets on lanes aligned at the end to fix
> screen shift or scroll.
> 
> Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
> Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>

Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.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) {
>