RADEON_DRIVER_CRITICAL 3450 drivers/gpu/drm/radeon/radeon_combios.c 		bios_6_scratch |= RADEON_DRIVER_CRITICAL;
RADEON_DRIVER_CRITICAL 3452 drivers/gpu/drm/radeon/radeon_combios.c 		bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;