From: Christian König <christian.koenig@xxxxxxx>
This way we can correctly check split VRAM buffers as well.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 26 +++++++++++++++++++++++++-
1 file changed, 25 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index c512540..5951666 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1100,13 +1100,37 @@ static struct list_head *amdgpu_ttm_swap_lru_tail(struct ttm_buffer_object *tbo)
return res;
}
+static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
+ const struct ttm_place *place)
+{
+ if (bo->mem.mem_type == TTM_PL_VRAM &&
+ bo->mem.start == AMDGPU_BO_INVALID_OFFSET) {
+ unsigned long num_pages = bo->mem.num_pages;
+ struct drm_mm_node *node = bo->mem.mm_node;
+
+ /* Check each drm MM node individually */
+ while (num_pages) {
+ if (place->fpfn < (node->start + node->size) &&
+ !(place->lpfn && place->lpfn <= node->start))
+ return true;
+
+ num_pages -= node->size;
+ ++node;
+ }
+
+ return false;
+ }
+
+ return ttm_bo_eviction_valuable(bo, place);
+}
+
static struct ttm_bo_driver amdgpu_bo_driver = {
.ttm_tt_create = &amdgpu_ttm_tt_create,
.ttm_tt_populate = &amdgpu_ttm_tt_populate,
.ttm_tt_unpopulate = &amdgpu_ttm_tt_unpopulate,
.invalidate_caches = &amdgpu_invalidate_caches,
.init_mem_type = &amdgpu_init_mem_type,
- .eviction_valuable = ttm_bo_eviction_valuable,
+ .eviction_valuable = amdgpu_ttm_bo_eviction_valuable,
.evict_flags = &amdgpu_evict_flags,
.move = &amdgpu_bo_move,
.verify_access = &amdgpu_verify_access,
--
2.5.0
