diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_vm.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_vm.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 3ecda6db24b8..4bca6b54520a 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -218,14 +218,21 @@ vm_fault_t ttm_bo_vm_fault_reserved(struct vm_fault *vmf, prot = ttm_io_prot(bo, bo->resource, prot); if (!bo->resource->bus.is_iomem) { struct ttm_operation_ctx ctx = { - .interruptible = false, + .interruptible = true, .no_wait_gpu = false, .force_alloc = true }; ttm = bo->ttm; - if (ttm_tt_populate(bdev, bo->ttm, &ctx)) - return VM_FAULT_OOM; + err = ttm_tt_populate(bdev, bo->ttm, &ctx); + if (err) { + if (err == -EINTR || err == -ERESTARTSYS || + err == -EAGAIN) + return VM_FAULT_NOPAGE; + + pr_debug("TTM fault hit %pe.\n", ERR_PTR(err)); + return VM_FAULT_SIGBUS; + } } else { /* Iomem should not be marked encrypted */ prot = pgprot_decrypted(prot); @@ -471,8 +478,7 @@ int ttm_bo_mmap_obj(struct vm_area_struct *vma, struct ttm_buffer_object *bo) vma->vm_private_data = bo; - vma->vm_flags |= VM_PFNMAP; - vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP; + vm_flags_set(vma, VM_PFNMAP | VM_IO | VM_DONTEXPAND | VM_DONTDUMP); return 0; } EXPORT_SYMBOL(ttm_bo_mmap_obj); |