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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAC=S1njUVqt969Wv+dMc5wD3Uyu-2Cm4qCUwkp7kfeG_uBbpVw@mail.gmail.com>
Date:   Thu, 31 Aug 2023 16:12:55 +0900
From:   Fei Shao <fshao@...omium.org>
To:     "Jason-JH.Lin" <jason-jh.lin@...iatek.com>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Alexandre Mergnat <amergnat@...libre.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

On Tue, Aug 22, 2023 at 10:27 PM Jason-JH.Lin <jason-jh.lin@...iatek.com> wrote:
>
> 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@...iatek.com>

Reviewed-by: Fei Shao <fshao@...omium.org>