linux-kernel - Re: [PATCH 0/5] Revert series "CMDQ refinement of Mediatek DRM driver"

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Date:   Tue, 12 Oct 2021 08:13:21 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Enric Balletbo Serra <eballetbo@...il.com>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH 0/5] Revert series "CMDQ refinement of Mediatek DRM driver"

Enric Balletbo Serra <eballetbo@...il.com> 於 2021年10月8日 週五 下午9:33寫道：
>
> Hi Chun-Kuang,
>
> Thank you to take time to send this, for full series
>
> Tested-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
>
> Display is now working again.

Applied to mediatek-drm-fixes [1].

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-fixes

Regards,
Chun-Kuang.

>
> Thanks,
>   Enric
>
>
> Missatge de Chun-Kuang Hu <chunkuang.hu@...nel.org> del dia dv., 8
> d’oct. 2021 a les 1:53:
> >
> > Commit c1ec54b7b5af
> > ("drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb")
> > would cause numerous mtk cmdq mailbox driver warning:
> >
> > WARNING: CPU: 0 PID: 0 at drivers/mailbox/mtk-cmdq-mailbox.c:198
> > cmdq_task_exec_done+0xb8/0xe0
> >
> > So revert that patch and all the patches depend on that patch.
> >
> > Chun-Kuang Hu (5):
> >   Revert "drm/mediatek: Clear pending flag when cmdq packet is done"
> >   Revert "drm/mediatek: Add cmdq_handle in mtk_crtc"
> >   Revert "drm/mediatek: Detect CMDQ execution timeout"
> >   Revert "drm/mediatek: Remove struct cmdq_client"
> >   Revert "drm/mediatek: Use mailbox rx_callback instead of cmdq_task_cb"
> >
> >  drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 157 ++++--------------------
> >  1 file changed, 24 insertions(+), 133 deletions(-)
> >
> > --
> > 2.25.1
> >