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path: root/drivers/gpu/drm/virtio/virtgpu_object.c
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Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_object.c')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_object.c10
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,
204 .interruptible = false, 204 .interruptible = false,
205 .no_wait_gpu = false 205 .no_wait_gpu = false
206 }; 206 };
207 size_t max_segment;
207 208
208 /* wtf swapping */ 209 /* wtf swapping */
209 if (bo->pages) 210 if (bo->pages)
@@ -215,8 +216,13 @@ int virtio_gpu_object_get_sg_table(struct virtio_gpu_device *qdev,
215 if (!bo->pages) 216 if (!bo->pages)
216 goto out; 217 goto out;
217 218
218 ret = sg_alloc_table_from_pages(bo->pages, pages, nr_pages, 0, 219 max_segment = virtio_max_dma_size(qdev->vdev);
219 nr_pages << PAGE_SHIFT, GFP_KERNEL); 220 max_segment &= PAGE_MASK;
221 if (max_segment > SCATTERLIST_MAX_SEGMENT)
222 max_segment = SCATTERLIST_MAX_SEGMENT;
223 ret = __sg_alloc_table_from_pages(bo->pages, pages, nr_pages, 0,
224 nr_pages << PAGE_SHIFT,
225 max_segment, GFP_KERNEL);
220 if (ret) 226 if (ret)
221 goto out; 227 goto out;
222 return 0; 228 return 0;