From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C8C42C433E0 for ; Wed, 10 Mar 2021 20:05:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9A6F264FC9 for ; Wed, 10 Mar 2021 20:05:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231941AbhCJUEb (ORCPT ); Wed, 10 Mar 2021 15:04:31 -0500 Received: from jabberwock.ucw.cz ([46.255.230.98]:56222 "EHLO jabberwock.ucw.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232099AbhCJUEK (ORCPT ); Wed, 10 Mar 2021 15:04:10 -0500 Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id A708F1C0B79; Wed, 10 Mar 2021 21:04:06 +0100 (CET) Date: Wed, 10 Mar 2021 21:04:06 +0100 From: Pavel Machek To: gregkh@linuxfoundation.org Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, "Jasper St. Pierre" , Chris Chiu , "Rafael J. Wysocki" , Sasha Levin Subject: Re: [PATCH 5.10 23/49] ACPI: video: Add DMI quirk for GIGABYTE GB-BXBT-2807 Message-ID: <20210310200406.GA11868@amd> References: <20210310132321.948258062@linuxfoundation.org> <20210310132322.685806668@linuxfoundation.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="UlVJffcvxoiEqYs2" Content-Disposition: inline In-Reply-To: <20210310132322.685806668@linuxfoundation.org> User-Agent: Mutt/1.5.23 (2014-03-12) Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org --UlVJffcvxoiEqYs2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > From: Greg Kroah-Hartman >=20 > From: Jasper St. Pierre Something is funny with the From header here. But that's not main thing -- this patch is evil. > Unfortunately, the backlight controller only confuses userspace, which > sees the existence of a backlight device node and has the unrealistic > belief that there is actually a backlight there! > +++ b/drivers/acpi/video_detect.c > @@ -140,6 +140,13 @@ static const struct dmi_system_id video_detect_dmi_t= able[] =3D { > }, > { > .callback =3D video_detect_force_vendor, > + .ident =3D "GIGABYTE GB-BXBT-2807", > + .matches =3D { > + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), > + DMI_MATCH(DMI_PRODUCT_NAME, "GB-BXBT-2807"), > + }, > + }, > + { > .ident =3D "Sony VPCEH3U1E", > .matches =3D { > DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), Yup, and it looks like this fixes the problem for GIGABYTE GB-BXBT-2807 but re-introduces the problem for Sony VPCEH3U1E. Best regards, Pavel --=20 http://www.livejournal.com/~pavelmachek --UlVJffcvxoiEqYs2 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAmBJJjYACgkQMOfwapXb+vL6mQCgkZcAv4l2s5EVv/WKgUSkdl1N mdcAoLobiDVyoHbzEKIaqxkUFDJUyfO4 =CVrc -----END PGP SIGNATURE----- --UlVJffcvxoiEqYs2--