diff options
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_object.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_object.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c index b2da31310d24..09b526518f5a 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -204,6 +204,7 @@ int virtio_gpu_object_get_sg_table(struct virtio_gpu_device *qdev, .interruptible = false, .no_wait_gpu = false }; + size_t max_segment; /* wtf swapping */ if (bo->pages) @@ -215,8 +216,13 @@ int virtio_gpu_object_get_sg_table(struct virtio_gpu_device *qdev, if (!bo->pages) goto out; - ret = sg_alloc_table_from_pages(bo->pages, pages, nr_pages, 0, - nr_pages << PAGE_SHIFT, GFP_KERNEL); + max_segment = virtio_max_dma_size(qdev->vdev); + max_segment &= PAGE_MASK; + if (max_segment > SCATTERLIST_MAX_SEGMENT) + max_segment = SCATTERLIST_MAX_SEGMENT; + ret = __sg_alloc_table_from_pages(bo->pages, pages, nr_pages, 0, + nr_pages << PAGE_SHIFT, + max_segment, GFP_KERNEL); if (ret) goto out; return 0; |