mmCP_RB1_RPTR_ADDR 2882 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c 	WREG32_SOC15(GC, 0, mmCP_RB1_RPTR_ADDR, lower_32_bits(rptr_addr));
mmCP_RB1_RPTR_ADDR 2211 drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c 	WREG32(mmCP_RB1_RPTR_ADDR, lower_32_bits(rptr_addr));