mmCP_RB2_CNTL    2224 drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c 	WREG32(mmCP_RB2_CNTL, tmp);
mmCP_RB2_CNTL    2226 drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c 	WREG32(mmCP_RB2_CNTL, tmp | CP_RB2_CNTL__RB_RPTR_WR_ENA_MASK);
mmCP_RB2_CNTL    2234 drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c 	WREG32(mmCP_RB2_CNTL, tmp);