drm/amdgpu: use explicit limit for VRAM<->GTT moves
authorChristian König <christian.koenig@amd.com>
Mon, 12 Sep 2016 14:08:52 +0000 (16:08 +0200)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 14 Sep 2016 19:10:46 +0000 (15:10 -0400)
Use an explicit limit when moving things around to
force address space allocation.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

index 3daf85897d7c63108bde0ba99c30cf249920480c..dfb12237a6b08b8e061fb991106891948fe449b6 100644 (file)
@@ -339,7 +339,7 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo,
        placement.num_busy_placement = 1;
        placement.busy_placement = &placements;
        placements.fpfn = 0;
-       placements.lpfn = 0;
+       placements.lpfn = adev->mc.gtt_size >> PAGE_SHIFT;
        placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
        r = ttm_bo_mem_space(bo, &placement, &tmp_mem,
                             interruptible, no_wait_gpu);
@@ -386,7 +386,7 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo,
        placement.num_busy_placement = 1;
        placement.busy_placement = &placements;
        placements.fpfn = 0;
-       placements.lpfn = 0;
+       placements.lpfn = adev->mc.gtt_size >> PAGE_SHIFT;
        placements.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
        r = ttm_bo_mem_space(bo, &placement, &tmp_mem,
                             interruptible, no_wait_gpu);