diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 1a474fa1f441..e5095b5e10e5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -911,15 +911,15 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, /* padding, etc. */ ndw = 64; - if (params.src) { + if (src) { /* only copy commands needed */ ndw += ncmds * 7; - } else if (params.pages_addr) { - /* header for write data commands */ - ndw += ncmds * 4; + } else if (pages_addr) { + /* copy commands needed */ + ndw += ncmds * 7; - /* body of write data command */ + /* and also PTEs */ ndw += nptes * 2; } else { @@ -936,6 +936,22 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, params.ib = &job->ibs[0]; + if (!src && pages_addr) { + uint64_t *pte; + unsigned i; + + /* Put the PTEs at the end of the IB. */ + i = ndw - nptes * 2; + pte= (uint64_t *)&(job->ibs->ptr[i]); + params.src = job->ibs->gpu_addr + i * 4; + + for (i = 0; i < nptes; ++i) { + pte[i] = amdgpu_vm_map_gart(pages_addr, addr + i * + AMDGPU_GPU_PAGE_SIZE); + pte[i] |= flags; + } + } + r = amdgpu_sync_fence(adev, &job->sync, exclusive); if (r) goto error_free; |