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Date:   Wed, 20 Sep 2023 11:15:10 +0200
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Subject: Re: [PATCH v2] drm/mediatek: Add spinlock for setting vblank event in
 atomic_begin
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To:     "Jason-JH.Lin" <jason-jh.lin@mediatek.com>,
        Chun-Kuang Hu <chunkuang.hu@kernel.org>
Cc:     Alexandre Mergnat <amergnat@baylibre.com>,
        Jason-ch Chen <jason-ch.chen@mediatek.com>,
        Johnson Wang <johnson.wang@mediatek.com>,
        Singo Chang <singo.chang@mediatek.com>,
        Nancy Lin <nancy.lin@mediatek.com>,
        Shawn Sung <shawn.sung@mediatek.com>,
        dri-devel@lists.freedesktop.org,
        linux-mediatek@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Project_Global_Chrome_Upstream_Group@mediatek.com,
        Fei Shao <fshao@chromium.org>
References: <20230920090658.31181-1-jason-jh.lin@mediatek.com>
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
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Il 20/09/23 11:06, Jason-JH.Lin ha scritto:
> Add spinlock protection to avoid race condition on vblank event
> between mtk_drm_crtc_atomic_begin() and mtk_drm_finish_page_flip().
> 
> Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
> Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
> Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
> Reviewed-by: Fei Shao <fshao@chromium.org>
> Tested-by: Fei Shao <fshao@chromium.org>

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

Cheers!