linux-kernel - Re: [PATCHv5 2/6] drm/omap: populate DSI platform bus earlier

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Message-ID: <d65157b6-59c7-7b51-d431-9f9cb5585593@ti.com>
Date:   Mon, 26 Nov 2018 11:27:06 +0200
From:   Tomi Valkeinen <tomi.valkeinen@...com>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>,
        Sebastian Reichel <sre@...nel.org>,
        Tony Lindgren <tony@...mide.com>, Pavel Machek <pavel@....cz>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
CC:     "H. Nikolaus Schaller" <hns@...delico.com>,
        <dri-devel@...ts.freedesktop.org>, <linux-omap@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <kernel@...labora.com>
Subject: Re: [PATCHv5 2/6] drm/omap: populate DSI platform bus earlier

On 21/11/18 18:09, Sebastian Reichel wrote:
> After the changes from 4.20 the DSI encoder tries to find the
> attached panel before populating the DSI bus. If the panel is
> not found -EPROBE_DEFER is returned, so the DSI bus is never
> populated and the panel never added.
> 
> Fix this by populating the DSI bus before searching for the
> video sink in dsi_init_output().
> 
> Fixes: 27d624527d992 ("drm/omap: dss: Acquire next dssdev at probe time")
> Acked-by: Pavel Machek <pavel@....cz>
> Tested-by: Tony Lindgren <tony@...mide.com>
> Tested-by: Pavel Machek <pavel@....cz>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> ---
>  drivers/gpu/drm/omapdrm/dss/dsi.c | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)

Reviewed-by: Tomi Valkeinen <tomi.valkeinen@...com>

 Tomi

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