drm/ttm: enable eviction for Per-VM-BO

allow eviction of BOs reserved by the caller when they are
not part of the current working set.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 7a9abc2a3a98..17f64c836bf9 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -709,7 +709,6 @@ bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
 EXPORT_SYMBOL(ttm_bo_eviction_valuable);
 
 static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
-                               struct reservation_object *resv,
                                uint32_t mem_type,
                                const struct ttm_place *place,
                                struct ttm_operation_ctx *ctx)
@@ -724,8 +723,9 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
         spin_lock(&glob->lru_lock);
         for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) {
                 list_for_each_entry(bo, &man->lru[i], lru) {
-                        if (bo->resv == resv) {
-                                if (list_empty(&bo->ddestroy))
+                        if (bo->resv == ctx->resv) {
+                                if (!ctx->allow_reserved_eviction &&
+                                    list_empty(&bo->ddestroy))
                                         continue;
                         } else {
                                 locked = reservation_object_trylock(bo->resv);
@@ -837,7 +837,7 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo,
                         return ret;
                 if (mem->mm_node)
                         break;
-                ret = ttm_mem_evict_first(bdev, bo->resv, mem_type, place, ctx);
+                ret = ttm_mem_evict_first(bdev, mem_type, place, ctx);
                 if (unlikely(ret != 0))
                         return ret;
         } while (1);
@@ -1334,8 +1334,7 @@ static int ttm_bo_force_list_clean(struct ttm_bo_device *bdev,
         for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) {
                 while (!list_empty(&man->lru[i])) {
                         spin_unlock(&glob->lru_lock);
-                        ret = ttm_mem_evict_first(bdev, NULL, mem_type,
-                                                  NULL, &ctx);
+                        ret = ttm_mem_evict_first(bdev, mem_type, NULL, &ctx);
                         if (ret)
                                 return ret;
                         spin_lock(&glob->lru_lock);