diff options
| -rw-r--r-- | drivers/dma-buf/heaps/cma_heap.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_drv.c | 1 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c index ee899f8e6721..4a63567e93ba 100644 --- a/drivers/dma-buf/heaps/cma_heap.c +++ b/drivers/dma-buf/heaps/cma_heap.c @@ -168,10 +168,7 @@ static vm_fault_t cma_heap_vm_fault(struct vm_fault *vmf) if (vmf->pgoff > buffer->pagecount) return VM_FAULT_SIGBUS; - vmf->page = buffer->pages[vmf->pgoff]; - get_page(vmf->page); - - return 0; + return vmf_insert_pfn(vma, vmf->address, page_to_pfn(buffer->pages[vmf->pgoff])); } static const struct vm_operations_struct dma_heap_vm_ops = { @@ -185,6 +182,8 @@ static int cma_heap_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma) if ((vma->vm_flags & (VM_SHARED | VM_MAYSHARE)) == 0) return -EINVAL; + vm_flags_set(vma, VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP); + vma->vm_ops = &dma_heap_vm_ops; vma->vm_private_data = buffer; diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c index f8e9abe647b9..9539aa28937f 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.c +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c @@ -94,6 +94,7 @@ static int virtio_gpu_probe(struct virtio_device *vdev) goto err_free; } + dma_set_max_seg_size(dev->dev, dma_max_mapping_size(dev->dev) ?: UINT_MAX); ret = virtio_gpu_init(vdev, dev); if (ret) goto err_free; |