linux-kernel - Re: [PATCH v14 15/15] drm/mediatek: dpi: Only enable dpi after the bridge is enabled

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Date:   Mon, 27 Jun 2022 12:52:33 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Bo-Chen Chen <rex-bc.chen@...iatek.com>, chunkuang.hu@...nel.org,
        p.zabel@...gutronix.de, daniel@...ll.ch, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, matthias.bgg@...il.com,
        airlied@...ux.ie
Cc:     msp@...libre.com, granquet@...libre.com, jitao.shi@...iatek.com,
        wenst@...omium.org, ck.hu@...iatek.com,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v14 15/15] drm/mediatek: dpi: Only enable dpi after the
 bridge is enabled

Il 24/06/22 05:09, Bo-Chen Chen ha scritto:
> From: Guillaume Ranquet <granquet@...libre.com>
> 
> Enabling the dpi too early causes glitches on screen.
> 
> Move the call to mtk_dpi_enable() at the end of the bridge_enable
> callback to ensure everything is setup properly before enabling dpi.
> 
> Fixes: 9e629c17aa8d ("drm/mediatek: Add DPI sub driver")
> Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
> Signed-off-by: Bo-Chen Chen <rex-bc.chen@...iatek.com>

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