mmUVD_SCRATCH2
WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2,
WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2,
WREG32_SOC15(UVD, 0, mmUVD_SCRATCH2, 0);
WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
WREG32_SOC15(VCN, i, mmUVD_SCRATCH2, 0);
WREG32_SOC15(VCN, ring->me, mmUVD_SCRATCH2,