From: Maxime Ripard <maxime@cerno.tech>
To: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: Discussions about the Letux Kernel <letux-kernel@openphoenux.org>,
linux-omap <linux-omap@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"open list:DRM PANEL DRIVERS" <dri-devel@lists.freedesktop.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Subject: Re: [drm:simple_bridge_attach [simple_bridge]] *ERROR* Fix bridge driver to make connector optional!
Date: Fri, 17 Apr 2020 14:44:22 +0200 [thread overview]
Message-ID: <20200417124422.fl35igitvd7thpr5@gilmour.lan> (raw)
In-Reply-To: <CB5A5B81-F06C-4CBE-95DE-96C8723D2AC5@goldelico.com>
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Hi,
Cc'ing Laurent
On Fri, Apr 17, 2020 at 02:18:11PM +0200, H. Nikolaus Schaller wrote:
> Hi Maxime,
> I have started to test v5.7-rc1 and can't fully boot the GTA04
> device any more.
>
> What I see in the log is:
>
> [ 28.567840] [drm:simple_bridge_attach [simple_bridge]] *ERROR* Fix bridge driver to make connector optional!
> [ 28.567871] omapdrm omapdrm.0: unable to attach bridge /ocp@68000000/dss@48050000/encoder@48050c00
> [ 28.786529] omapdrm omapdrm.0: omap_modeset_init failed: ret=-22
> [ 28.841552] omapdrm: probe of omapdrm.0 failed with error -22
>
> This device uses the ti,opa362 chip which did have a dedicated
> omapdss driver before (which is removed now) and which seems to
> be supported by the simple_bridge now.
>
> The opa362 is sitting in the video out path from
>
> omapdrm -> venc -> opa362 -> video-out-connector.
>
> What does this error mean? How can it be fixed?
-22 is usually EINVAL, which can be pretty much anything. A good thing to do
would be to bisect to see which actual commit broke it, but if I was to bet on
something I guess it would be
https://lore.kernel.org/dri-devel/20200226112514.12455-1-laurent.pinchart@ideasonboard.com/
Maxime
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next parent reply other threads:[~2020-04-17 12:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CB5A5B81-F06C-4CBE-95DE-96C8723D2AC5@goldelico.com>
2020-04-17 12:44 ` Maxime Ripard [this message]
2020-04-17 12:58 ` [drm:simple_bridge_attach [simple_bridge]] *ERROR* Fix bridge driver to make connector optional! Laurent Pinchart
2020-04-17 13:53 ` H. Nikolaus Schaller
2020-04-21 12:18 ` Daniel Vetter
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