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 E3711328634; Wed, 3 Dec 2025 15:59:27 +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=1764777568; cv=none; b=Nu1EaBLyxHhmBcNMnCiRBR9Cr2JbEZGnvgclqG5JU8MQfCabRxbCrdZMeisdksMat8t0SX6XN6J7epQa9Bz+tiVaoE+72Tqm+FdgYJfuDxCUFms07WYfzdjYr7VxPzvE7L9K3KlKJhxPQZ2oRbIazmp3ku4JzvS4LyYmaZuyy0c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764777568; c=relaxed/simple; bh=NaIXOlrbgq8Ensul24gnbCAwEWP7Ergguqm4AO9T2cQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZuwU7GvVxDVyrgiTdDxhT2V6v+86jQJABNCFun6V1DpVzIwciuvu9/bUpDiGXEhVQqxfc04TEA04GfJN7HQZHRKQYlGAY9kpVvTouiOKjVaDgfiqEMBcOStZmdR+JFD3KfMYWOXfxKo4azfhO8aTKkboJdBH0njHTMZbeBhjRx0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=TCBA01sO; 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="TCBA01sO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F1FB5C4CEF5; Wed, 3 Dec 2025 15:59:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764777567; bh=NaIXOlrbgq8Ensul24gnbCAwEWP7Ergguqm4AO9T2cQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TCBA01sO048I7nDtUfPPtYLRQk49cvTqKj4bGAEg/uNcaS9FjiqdkuLw/sNRWNKNx PoE4yvoHiakS5qQ5trRwt4AYTGpAvV4l8wfar27FG0L9/72YIIWVEZCfmOiSivLWpO DbNmW1XYgN1PM46xr/F2qP62xQjrAmu+ImR5JvHE= 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 5.15 061/392] ACPI: video: force native for Lenovo 82K8 Date: Wed, 3 Dec 2025 16:23:31 +0100 Message-ID: <20251203152416.357524007@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251203152414.082328008@linuxfoundation.org> References: <20251203152414.082328008@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 5.15-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 338e1f44906a9..0ecc47e273140 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -635,6 +635,14 @@ 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