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ACPI: video: force native for Lenovo 82K8

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[ 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 <wilson.e.alvarez@rubonnek.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4512
Tested-by: Wilson Alvarez <wilson.e.alvarez@rubonnek.com>
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20250820170927.895573-1-superm1@kernel.org
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mario Limonciello (AMD) 2025-08-20 12:09:26 -05:00 • committed by Greg Kroah-Hartman
commit f56a6751ce
1 changed files with 8 additions and 0 deletions
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8
drivers/acpi/video_detect.c
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@ -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"),
},
},
{ },
};