EVERGREEN_GRPH_ENABLE 1428 drivers/gpu/drm/radeon/atombios_crtc.c 	WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
EVERGREEN_GRPH_ENABLE 2181 drivers/gpu/drm/radeon/atombios_crtc.c 		WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 0);