UVD_LMI_EXT40_ADDR
WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
WREG32(UVD_LMI_EXT40_ADDR, upper_32_bits(ring->gpu_addr) |
WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));
WREG32(UVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31));