*
* Called by ttm_mem_io_reserve() ultimately via ttm_bo_vm_fault()
*/
-static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem)
+static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev,
+ struct ttm_resource *mem)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bdev);
- struct drm_mm_node *mm_node = mem->mm_node;
size_t bus_size = (size_t)mem->num_pages << PAGE_SHIFT;
switch (mem->mem_type) {
/* check if it's visible */
if ((mem->bus.offset + bus_size) > adev->gmc.visible_vram_size)
return -EINVAL;
- /* Only physically contiguous buffers apply. In a contiguous
- * buffer, size of the first mm_node would match the number of
- * pages in ttm_resource.
- */
+
if (adev->mman.aper_base_kaddr &&
- (mm_node->size == mem->num_pages))
+ mem->placement & TTM_PL_FLAG_CONTIGUOUS)
mem->bus.addr = (u8 *)adev->mman.aper_base_kaddr +
mem->bus.offset;