SDMA_RB_ENABLE    265 drivers/gpu/drm/radeon/cik_sdma.c 		rb_cntl &= ~SDMA_RB_ENABLE;
SDMA_RB_ENABLE    415 drivers/gpu/drm/radeon/cik_sdma.c 		WREG32(SDMA0_GFX_RB_CNTL + reg_offset, rb_cntl | SDMA_RB_ENABLE);