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Message-ID: <c817740e-4d44-c3a2-0229-06c653a8d8d9@st.com>
Date:   Thu, 23 Jan 2020 09:55:40 +0000
From:   Philippe CORNU <philippe.cornu@...com>
To:     Yannick FERTRE <yannick.fertre@...com>,
        Benjamin GAIGNARD <benjamin.gaignard@...com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        "Alexandre TORGUE" <alexandre.torgue@...com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/bridge/synopsys: dsi: missing post disable

Dear Yannick,
Thank you for your patch,

Reviewed-by: Philippe Cornu <philippe.cornu@...com>

Philippe :-)

On 1/21/20 11:24 AM, Yannick Fertre wrote:
> From: Yannick Fertré <yannick.fertre@...com>
> 
> Sometime the post_disable function is missing (not registered).
> 
> Signed-off-by: Yannick Fertré <yannick.fertre@...com>
> ---
>   drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> index b18351b..12823ae 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> @@ -824,7 +824,8 @@ static void dw_mipi_dsi_bridge_post_disable(struct drm_bridge *bridge)
>   	 * This needs to be fixed in the drm_bridge framework and the API
>   	 * needs to be updated to manage our own call chains...
>   	 */
> -	dsi->panel_bridge->funcs->post_disable(dsi->panel_bridge);
> +	if (dsi->panel_bridge->funcs->post_disable)
> +		dsi->panel_bridge->funcs->post_disable(dsi->panel_bridge);
>   
>   	if (phy_ops->power_off)
>   		phy_ops->power_off(dsi->plat_data->priv_data);
> 

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