Lenovo 82K8 has a broken brightness control provided by nvidia_wmi_ec. Add a quirk to prevent using it. Cc: Daniel Dadap <ddadap@xxxxxxxxxx> Cc: Hans de Goede <hansg@xxxxxxxxxx> Reported-by: Wilson Alvarez <wilson.e.alvarez@xxxxxxxxxxxx> Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4512 Tested-by: Wilson Alvarez <wilson.e.alvarez@xxxxxxxxxxxx> Signed-off-by: Mario Limonciello (AMD) <superm1@xxxxxxxxxx> --- 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"), + }, + }, { }, }; -- 2.43.0
