linux-kernel - Re: [PATCH] drm/mediatek: Add spinlock for setting vblank event in atomic

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Message-ID: <e380a452-ce93-8af2-4075-ef23987d693a@baylibre.com>
Date:   Mon, 4 Sep 2023 14:09:32 +0200
From:   Alexandre Mergnat <amergnat@...libre.com>
To:     "Jason-JH.Lin" <jason-jh.lin@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>
Cc:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Eugen Hristev <eugen.hristev@...labora.com>,
        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] drm/mediatek: Add spinlock for setting vblank event in
 atomic_begin

Reviewed-by: Alexandre Mergnat <amergnat@...libre.com>

On 22/08/2023 15:26, Jason-JH.Lin wrote:
> Add spinlock protection to avoid race condition on vblank event
> between mtk_drm_crtc_atomic_begin() and mtk_drm_finish_page_flip().

-- 
Regards,
Alexandre