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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 D5227C43331 for ; Wed, 23 Dec 2020 02:59:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A5B28206F6 for ; Wed, 23 Dec 2020 02:59:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728966AbgLWC6x (ORCPT ); Tue, 22 Dec 2020 21:58:53 -0500 Received: from mail.kernel.org ([198.145.29.99]:45508 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728964AbgLWCUZ (ORCPT ); Tue, 22 Dec 2020 21:20:25 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4E9322256F; Wed, 23 Dec 2020 02:20:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1608690010; bh=C1V8F8DQ0RPPzESWTdeKqnGzBe0X7hN6HCddQAmlQDc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=r0Lu3fhHL/wABqfp6KavItaLYkvzURTBS1wMnpzDRXuDWzYV29VduG4gMONGJAe3N 7Wi51F8MLCSHGveNpHmXntPXsAG2bDOiPLeBb4fUFj9E4vXCklcIsGS1FgAnbEHM0M XQD4dU+R6tcfo2YI4h2T3Y4cB2wd8OAkrkw8w9Q4Jq4V2F8/jcjZ0RlxqEBhA/E8N3 yL9akp6S9+P02Ug5GlBWyD20mAOYduqGrK2vvxmUK4GT3LdB6ZqGT/L0/0bsVH8ZgZ n5Vf7qW4MPk1dJNjW+8b+klK1Ppae+M8+UophaGPxQ2XyAJKboFw+dv4S3aBBRJ7oS jHuLY0itnegfg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: "Jasper St. Pierre" , Chris Chiu , "Rafael J . Wysocki" , Sasha Levin , linux-acpi@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 090/130] ACPI: video: Add DMI quirk for GIGABYTE GB-BXBT-2807 Date: Tue, 22 Dec 2020 21:17:33 -0500 Message-Id: <20201223021813.2791612-90-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201223021813.2791612-1-sashal@kernel.org> References: <20201223021813.2791612-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: "Jasper St. Pierre" [ Upstream commit 25417185e9b5ff90746d50769d2a3fcd1629e254 ] The GIGABYTE GB-BXBT-2807 is a mini-PC which uses off the shelf components, like an Intel GPU which is meant for mobile systems. As such, it, by default, has a backlight controller exposed. 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! Add a DMI quirk to force the backlight off on this system. Signed-off-by: Jasper St. Pierre Reviewed-by: Chris Chiu Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/video_detect.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 55af78b55c513..301ffe5b8feb0 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -143,6 +143,13 @@ static const struct dmi_system_id video_detect_dmi_table[] = { }, { .callback = video_detect_force_vendor, + .ident = "GIGABYTE GB-BXBT-2807", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "GB-BXBT-2807"), + }, + }, + { .ident = "Sony VPCEH3U1E", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), -- 2.27.0