Commit 92fdf89a authored by Luca Tettamanti's avatar Luca Tettamanti Committed by Alex Deucher
Browse files

drm/radeon: block the keypress on ATIF events 



The AMD ACPI interface may use ACPI_VIDEO_NOTIFY_PROBE to signal SBIOS
requests; block the keypress in this case since the user did not
actually press the mode switch key.

Signed-off-by: default avatarLuca Tettamanti <kronos.it@gmail.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8a37c65d

drivers/gpu/drm/radeon/radeon_acpi.c

+6 −1
Original line number Diff line number Diff line
@@ -301,7 +301,12 @@ int radeon_atif_handler(struct radeon_device *rdev, 
	}

	/* TODO: check other events */



	return NOTIFY_OK;

	/* We've handled the event, stop the notifier chain. The ACPI interface

	 * overloads ACPI_VIDEO_NOTIFY_PROBE, we don't want to send that to

	 * userspace if the event was generated only to signal a SBIOS

	 * request.

	 */

	return NOTIFY_BAD;

}



static int radeon_acpi_event(struct notifier_block *nb,