linux-kernel - Re: [PATCH v2 1/4] drm: mediatek: fix unbind functions

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Date:   Thu, 30 May 2019 10:13:35 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     Hsin-Yi Wang <hsinyi@...omium.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/4] drm: mediatek: fix unbind functions

Hi, Hsin-Yi:

On Wed, 2019-05-29 at 18:25 +0800, Hsin-Yi Wang wrote:
> detatch panel in mtk_dsi_destroy_conn_enc(), since .bind will try to
> attach it again.
> 

Reviewed-by: CK Hu <ck.hu@...iatek.com>

> Fixes: 2e54c14e310f ("drm/mediatek: Add DSI sub driver")
> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> ---
> change log v1->v2:
> * mipi_dsi_host_unregister() should be fixed in another patch on the list.
> ---
>  drivers/gpu/drm/mediatek/mtk_dsi.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index b00eb2d2e086..1ae3be99e0ff 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -844,6 +844,8 @@ static void mtk_dsi_destroy_conn_enc(struct mtk_dsi *dsi)
>  	/* Skip connector cleanup if creation was delegated to the bridge */
>  	if (dsi->conn.dev)
>  		drm_connector_cleanup(&dsi->conn);
> +	if (dsi->panel)
> +		drm_panel_detach(dsi->panel);
>  }
>  
>  static void mtk_dsi_ddp_start(struct mtk_ddp_comp *comp)