AVIVO_D1GRPH_ENABLE 1644 drivers/gpu/drm/radeon/atombios_crtc.c WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1); AVIVO_D1GRPH_ENABLE 2183 drivers/gpu/drm/radeon/atombios_crtc.c WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 0);