linux-kernel - Re: [PATCHv4 2/6] drm/omap: populate DSI platform bus earlier

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Message-ID: <20181117210205.GC22813@amd>
Date:   Sat, 17 Nov 2018 22:02:05 +0100
From:   Pavel Machek <pavel@....cz>
To:     Sebastian Reichel <sebastian.reichel@...labora.com>
Cc:     Sebastian Reichel <sre@...nel.org>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Tony Lindgren <tony@...mide.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        "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: [PATCHv4 2/6] drm/omap: populate DSI platform bus earlier

On Fri 2018-11-16 00:06:41, 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")
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>

Acked-by: Pavel Machek <pavel@....cz>

-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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