AMDGPU_GMC_HOLE_MASK
va_start = ib->gpu_addr & AMDGPU_GMC_HOLE_MASK;
args->va_address &= AMDGPU_GMC_HOLE_MASK;
uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
seq64_addr = amdgpu_seq64_get_va_base(adev) & AMDGPU_GMC_HOLE_MASK;
user_addr = (addr & AMDGPU_GMC_HOLE_MASK) >> AMDGPU_GPU_PAGE_SHIFT;
addr &= AMDGPU_GMC_HOLE_MASK;
adev->gmc.mc_mask = AMDGPU_GMC_HOLE_MASK;
wptr &= AMDGPU_GMC_HOLE_MASK;
addr &= AMDGPU_GMC_HOLE_MASK;
addr &= AMDGPU_GMC_HOLE_MASK;
addr &= AMDGPU_GMC_HOLE_MASK;