Commit f144bc21 authored by Mario Limonciello (AMD)'s avatar Mario Limonciello (AMD) Committed by Rafael J. Wysocki
Browse files

ACPI: video: force native for Lenovo 82K8 



Lenovo 82K8 has a broken brightness control provided by nvidia_wmi_ec.
Add a quirk to prevent using it.

Reported-by: default avatarWilson Alvarez <wilson.e.alvarez@rubonnek.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4512


Tested-by: default avatarWilson Alvarez <wilson.e.alvarez@rubonnek.com>
Signed-off-by: default avatarMario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20250820170927.895573-1-superm1@kernel.org


Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 1b237f19

drivers/acpi/video_detect.c

+8 −0
Original line number Diff line number Diff line
@@ -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"),

		},

	},

	{ },

};