linux-kernel - Re: [PATCH v2] drm/mediatek: dpi: Use mt8183 output formats for mt8192

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Message-ID: <ba1d3b7b-9bcf-9c45-c487-91da767b83f5@collabora.com>
Date:   Fri, 8 Apr 2022 10:18:59 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>, Philipp Zabel <p.zabel@...gutronix.de>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>
Cc:     kernel@...labora.com, Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Jitao Shi <jitao.shi@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Rex-BC Chen <rex-bc.chen@...iatek.com>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2] drm/mediatek: dpi: Use mt8183 output formats for
 mt8192

Il 08/04/22 03:39, Nícolas F. R. A. Prado ha scritto:
> The configuration for mt8192 was incorrectly using the output formats
> from mt8173. Since the output formats for mt8192 are instead the same
> ones as for mt8183, which require two bus samples per pixel, the
> pixelclock and DDR edge setting were misconfigured. This made external
> displays unable to show the image.
> 
> Fix the issue by correcting the output format for mt8192 to be the same
> as for mt8183, fixing the usage of external displays for mt8192.
> 
> Fixes: be63f6e8601f ("drm/mediatek: dpi: Add output bus formats to driver data")
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@...labora.com>
> 

Lovely!

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>