From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4C61C263F4E; Tue, 11 Nov 2025 01:00:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762822853; cv=none; b=d4Ask7VDK2GkILwdJUxeut/GgMWt2YaffV47OG1aj1gHpR0s4Sl4hRlVNCOUlhro/YiUhzSjk6ipTPTPxYrPCe29eiXl+LWUR7IqD/HHkg/bfT1f8b1JMYehKsbhQfccfZ3tmefpRMsyOgF4HGb1cW/rQZxzOaamsWIETNFNzCM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762822853; c=relaxed/simple; bh=J54k4jHYclSfBErI9/ERBLfKGP9F2uApKGvgZ+gAf5I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DbaXz5np3lSROTfmfbVJ6hJpe+ewdYnUE1WKVtvuNtM5C8i3x5LwuGbwXSxhNE0aATwQUhcmU8P7BUcGcQpggeLdwogqX1I0XVksGbPN4C/Wft//KfQwW/M8/so0rmjwVyIO3d/ok5XRkZ92e7t+qLAMfdSUVeV/1vej8Qkm+wQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Y5VL9b5f; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Y5VL9b5f" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0A10C4CEFB; Tue, 11 Nov 2025 01:00:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1762822853; bh=J54k4jHYclSfBErI9/ERBLfKGP9F2uApKGvgZ+gAf5I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y5VL9b5fGwL/GpTAckEbPptP0luVGIdSnISeAEV05y8Yi746t26mmeEQskAkT7+ux JoR/3eKEk+aU4iYNDClL/T8glkuyRgB+fwGXWbnslMT6h7cdtNgnycl9phLhTIlnm2 J1BsBPZ7Wriod7I6lEwbm+cdcPilFXK8NcLCPfe8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wilson Alvarez , "Mario Limonciello (AMD)" , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 6.12 103/565] ACPI: video: force native for Lenovo 82K8 Date: Tue, 11 Nov 2025 09:39:19 +0900 Message-ID: <20251111004529.273385535@linuxfoundation.org> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251111004526.816196597@linuxfoundation.org> References: <20251111004526.816196597@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mario Limonciello (AMD) [ Upstream commit f144bc21befdcf8e54d2f19b23b4e84f13be01f9 ] Lenovo 82K8 has a broken brightness control provided by nvidia_wmi_ec. Add a quirk to prevent using it. Reported-by: Wilson Alvarez Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4512 Tested-by: Wilson Alvarez Signed-off-by: Mario Limonciello (AMD) Link: https://patch.msgid.link/20250820170927.895573-1-superm1@kernel.org Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/video_detect.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index d507d5e084354..4cf74f173c785 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -948,6 +948,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Mipad2"), }, }, + /* https://gitlab.freedesktop.org/drm/amd/-/issues/4512 */ + { + .callback = video_detect_force_native, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "82K8"), + }, + }, { }, }; -- 2.51.0