drm/amdgpu: check contiguous flags instead of mm_node

Drop the last user of drm_mm_node.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 9efa02f..a821e2e 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -576,10 +576,10 @@ out:
  *
  * 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) {
@@ -593,12 +593,9 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resourc
                /* 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;