diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_ttm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c index 923cc7ad8d70..8d61d4538a64 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -883,6 +883,11 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf) if (ret) return ret; + if (obj->mm.madv != I915_MADV_WILLNEED) { + dma_resv_unlock(bo->base.resv); + return VM_FAULT_SIGBUS; + } + if (drm_dev_enter(dev, &idx)) { ret = ttm_bo_vm_fault_reserved(vmf, vmf->vma->vm_page_prot, TTM_BO_VM_NUM_PREFAULT); |