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Nikolaus Schaller" Cc: Discussions about the Letux Kernel , linux-omap , Linux Kernel Mailing List , "open list:DRM PANEL DRIVERS" , Laurent Pinchart Subject: Re: [drm:simple_bridge_attach [simple_bridge]] *ERROR* Fix bridge driver to make connector optional! Message-ID: <20200417124422.fl35igitvd7thpr5@gilmour.lan> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="uebxnokcear6r3sc" Content-Disposition: inline In-Reply-To: Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org --uebxnokcear6r3sc Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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. >=20 > What I see in the log is: >=20 > [ 28.567840] [drm:simple_bridge_attach [simple_bridge]] *ERROR* Fix bri= dge driver to make connector optional! > [ 28.567871] omapdrm omapdrm.0: unable to attach bridge /ocp@68000000/d= ss@48050000/encoder@48050c00 > [ 28.786529] omapdrm omapdrm.0: omap_modeset_init failed: ret=3D-22 > [ 28.841552] omapdrm: probe of omapdrm.0 failed with error -22 >=20 > 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. >=20 > The opa362 is sitting in the video out path from >=20 > omapdrm -> venc -> opa362 -> video-out-connector. >=20 > 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 be= t on something I guess it would be https://lore.kernel.org/dri-devel/20200226112514.12455-1-laurent.pinchart@i= deasonboard.com/ Maxime --uebxnokcear6r3sc Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXpmkpgAKCRDj7w1vZxhR xQiLAQCJ2xQosSagOkqyXxot5lEViVcLssIszdTzpkTitzEG6AEAvPbauwwDo1R9 7QwBbCXIj9aSKnpQcBvxDQ0ooUEpIw8= =Tp4p -----END PGP SIGNATURE----- --uebxnokcear6r3sc--