Simply ignore any copying here.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index c691275cd1f0..3e450159fe1f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -256,6 +256,13 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
abo = ttm_to_amdgpu_bo(bo);
switch (bo->mem.mem_type) {
+ case AMDGPU_PL_GDS:
+ case AMDGPU_PL_GWS:
+ case AMDGPU_PL_OA:
+ placement->num_placement = 0;
+ placement->num_busy_placement = 0;
+ return;
+
case TTM_PL_VRAM:
if (!adev->mman.buffer_funcs_enabled) {
/* Move to system memory */
@@ -283,6 +290,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
case TTM_PL_TT:
default:
amdgpu_bo_placement_from_domain(abo, AMDGPU_GEM_DOMAIN_CPU);
+ break;
}
*placement = abo->placement;
}
@@ -675,6 +683,16 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict,
amdgpu_move_null(bo, new_mem);
return 0;
}
+ if (old_mem->mem_type == AMDGPU_PL_GDS ||
+ old_mem->mem_type == AMDGPU_PL_GWS ||
+ old_mem->mem_type == AMDGPU_PL_OA ||
+ new_mem->mem_type == AMDGPU_PL_GDS ||
+ new_mem->mem_type == AMDGPU_PL_GWS ||
+ new_mem->mem_type == AMDGPU_PL_OA) {
+ /* Nothing to save here */
+ amdgpu_move_null(bo, new_mem);
+ return 0;
+ }
if (!adev->mman.buffer_funcs_enabled)
goto memcpy;
--
2.14.1
