linux-kernel - Re: [PATCH RESEND v4 2/2] drm/mediatek: Fix iommu fault during crtc enabling

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Date:   Mon, 7 Aug 2023 11:45:35 +0200
From:   Alexandre Mergnat <amergnat@...libre.com>
To:     "Jason-JH.Lin" <jason-jh.lin@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     Jason-ch Chen <jason-ch.chen@...iatek.com>,
        Johnson Wang <johnson.wang@...iatek.com>,
        Singo Chang <singo.chang@...iatek.com>,
        Nancy Lin <nancy.lin@...iatek.com>,
        Shawn Sung <shawn.sung@...iatek.com>,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH RESEND v4 2/2] drm/mediatek: Fix iommu fault during crtc
 enabling

Hi Jason,

You forgot to put the Reviewed-by got from the V3 in your commit message.


On 07/08/2023 03:51, Jason-JH.Lin wrote:
> The plane_state of drm_atomic_state is not sync to the mtk_plane_state
> stored in mtk_crtc during crtc enabling.
> 
> So we need to update the mtk_plane_state stored in mtk_crtc by the
> drm_atomic_state carried from mtk_drm_crtc_atomic_enable().
> 
> While updating mtk_plane_state, OVL layer should be disabled when the fb
> in plane_state of drm_atomic_state is NULL.
> 
> Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
> Signed-off-by: Jason-JH.Lin <jason-jh.lin@...iatek.com>
> ---
> Change in RESEND v4:
> Remove redundant plane_state assigning.
> ---


-- 
Regards,
Alexandre