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drm/amdgpu: set bulk_moveable to false when lru changed v2
authorChunming Zhou <david1.zhou@amd.com>
Thu, 10 Jan 2019 07:49:54 +0000 (15:49 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 25 Jan 2019 21:15:34 +0000 (16:15 -0500)
if lru is changed, we cannot do bulk moving.
v2:
root bo isn't in bulk moving, skip its change.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h

index c91ec31..b852abb 100644 (file)
@@ -1546,7 +1546,8 @@ static struct ttm_bo_driver amdgpu_bo_driver = {
        .io_mem_reserve = &amdgpu_ttm_io_mem_reserve,
        .io_mem_free = &amdgpu_ttm_io_mem_free,
        .io_mem_pfn = amdgpu_ttm_io_mem_pfn,
-       .access_memory = &amdgpu_ttm_access_memory
+       .access_memory = &amdgpu_ttm_access_memory,
+       .del_from_lru_notify = &amdgpu_vm_del_from_lru_notify
 };
 
 /*
index ccffcad..ffffe02 100644 (file)
@@ -623,6 +623,28 @@ void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
        list_add(&entry->tv.head, validated);
 }
 
+void amdgpu_vm_del_from_lru_notify(struct ttm_buffer_object *bo)
+{
+       struct amdgpu_bo *abo;
+       struct amdgpu_vm_bo_base *bo_base;
+
+       if (!amdgpu_bo_is_amdgpu_bo(bo))
+               return;
+
+       if (bo->mem.placement & TTM_PL_FLAG_NO_EVICT)
+               return;
+
+       abo = ttm_to_amdgpu_bo(bo);
+       if (!abo->parent)
+               return;
+       for (bo_base = abo->vm_bo; bo_base; bo_base = bo_base->next) {
+               struct amdgpu_vm *vm = bo_base->vm;
+
+               if (abo->tbo.resv == vm->root.base.bo->tbo.resv)
+                       vm->bulk_moveable = false;
+       }
+
+}
 /**
  * amdgpu_vm_move_to_lru_tail - move all BOs to the end of LRU
  *
index e8dcfd5..81ff817 100644 (file)
@@ -363,4 +363,6 @@ int amdgpu_vm_add_fault(struct amdgpu_retryfault_hashtable *fault_hash, u64 key)
 
 void amdgpu_vm_clear_fault(struct amdgpu_retryfault_hashtable *fault_hash, u64 key);
 
+void amdgpu_vm_del_from_lru_notify(struct ttm_buffer_object *bo);
+
 #endif