linux-kernel - Re: [PATCH v5 5/6] drm/mediatek: Add mbox_free_channel in mtk_drm_crtc

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Date:   Thu, 28 Oct 2021 07:30:35 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     "jason-jh.lin" <jason-jh.lin@...iatek.com>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>, fshao@...omium.org,
        Nancy Lin <nancy.lin@...iatek.com>, singo.chang@...iatek.com
Subject: Re: [PATCH v5 5/6] drm/mediatek: Add mbox_free_channel in mtk_drm_crtc_destroy

Hi, Jason:

jason-jh.lin <jason-jh.lin@...iatek.com> 於 2021年10月27日 週三 上午10:19寫道：
>
> Add mbox_free_channel in mtk_drm_crtc_destroy.
>
> Signed-off-by: jason-jh.lin <jason-jh.lin@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index ffa54b416ca7..31f05efc1bc0 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> @@ -156,6 +156,10 @@ static void mtk_drm_crtc_destroy(struct drm_crtc *crtc)
>         mtk_mutex_put(mtk_crtc->mutex);
>  #if IS_REACHABLE(CONFIG_MTK_CMDQ)
>         mtk_drm_cmdq_pkt_destroy(&mtk_crtc->cmdq_handle);
> +
> +       if (mtk_crtc->cmdq_client.chan)
> +               mbox_free_channel(mtk_crtc->cmdq_client.chan);
> +                                 mtk_crtc->cmdq_client.chan = NULL;

Except the indent,

Reviewed-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>

>  #endif
>         drm_crtc_cleanup(crtc);
>  }
> --
> 2.18.0
>