mmSDMA0_GFX_RB_RPTR_HI 1000 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c 	WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_HI, 0);
mmSDMA0_GFX_RB_RPTR_HI  653 drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c 		WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0);