UVD_RBC_IB_BASE__IB_BASE_MASK  588 drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_4_0_sh_mask.h #define UVD_RBC_IB_BASE__IB_BASE_MASK 0xffffffc0L
UVD_RBC_IB_BASE__IB_BASE_MASK  605 drivers/gpu/drm/amd/include/asic_reg/uvd/uvd_4_2_sh_mask.h #define UVD_RBC_IB_BASE__IB_BASE_MASK 0xffffffc0