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 DA77624DFF9; Mon, 1 Dec 2025 11:26:26 +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=1764588386; cv=none; b=I7F8iYJUUIVRAyHbot4CYr2AKjCj/WbbxbLpqmmeVpn1exi/6BCrrQ8k/kRqkGSmIRj2hrO9Tr5yE3/S0gJ/VFidBP8lvUTfSH6BrGZB3XoJvxgOm5zCoCjqlYQFQMbNoU+zCjVkX/23qqBG2SuEos3l0QEDVxT82FhM5txbSB8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764588386; c=relaxed/simple; bh=dfo7TqnEQaeSkThn6uo2xIknzVWMqAWk6MsRzQoVbyI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=q66LTdcbss8GGh46DT5WPm2mn6p2wnUZx5yr7FvGks3FSHcJi125D1dckgML8gecgr+yyndwq24Llya5G/635qQahNg7GeftE9wiivGOWVFCVSweDGqNHYdNbt4gSh9AB0jakgVnDbu8J5CXUu0uG7Ivi0qGY91nshgENlhrRC0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=dnkf3YoD; 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="dnkf3YoD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6547EC113D0; Mon, 1 Dec 2025 11:26:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764588386; bh=dfo7TqnEQaeSkThn6uo2xIknzVWMqAWk6MsRzQoVbyI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dnkf3YoDPSy90FVE7JCMvR/jEbJ7Oc5HzwPdKJevpdsszUYhqTWWGjVFPpzv9KA89 MpW6rVLlr/biQ9Qn1AKtboB61ynQPdwKFD+CNGwZSGvoUVO1wGcUF3LqAl5YaQqA67 hPXSbjv58xPNcgB+wB5hCJ7wQ0732aNcU6syO4DM= 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 5.4 030/187] ACPI: video: force native for Lenovo 82K8 Date: Mon, 1 Dec 2025 12:22:18 +0100 Message-ID: <20251201112242.342206397@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251201112241.242614045@linuxfoundation.org> References: <20251201112241.242614045@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.4-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 be9c70806b620..640e3fecd62d0 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -556,6 +556,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "MS-7721"), }, }, + /* 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