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

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Message-ID: <CAFqH_51hO2efxbQkkbzNHSk92zOZGeFJBu4Ocijk_cpxFDJ2fw@mail.gmail.com>
Date:   Fri, 8 Oct 2021 15:33:14 +0200
From:   Enric Balletbo Serra <eballetbo@...il.com>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>
Cc:     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"

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.

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
>