D2GRPH_INTERRUPT_CONTROL 3631 drivers/gpu/drm/radeon/r600.c WREG32(D2GRPH_INTERRUPT_CONTROL, 0); D2GRPH_INTERRUPT_CONTROL 3880 drivers/gpu/drm/radeon/r600.c WREG32(D2GRPH_INTERRUPT_CONTROL, DxGRPH_PFLIP_INT_MASK);