drm/amdgpu: add amdgpu_ttm_bo_eviction_valuable callback

This way we can correctly check split VRAM buffers as well.

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>
This commit is contained in:
Christian König 2016-10-19 14:44:22 +02:00 committed by Alex Deucher
parent a2ab19fed9
commit 9982ca681e
1 changed files with 25 additions and 1 deletions

View File

@ -1103,13 +1103,37 @@ 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,