drm/amdgpu: use a global LRU list for VMIDs

With the scheduler enabled managing per ring LRUs don't
make much sense any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 11 insertions, 8 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 43b48eb6cf6e..3d4c2abfcfe8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -925,18 +925,20 @@ struct amdgpu_vm {
         spinlock_t              freed_lock;
 };
 
+struct amdgpu_vm_manager_id {
+        struct list_head        list;
+        struct fence            *active;
+        atomic_long_t           owner;
+};
+
 struct amdgpu_vm_manager {
-        /* protecting IDs */
+        /* Handling of VMIDs */
         struct mutex                            lock;
-
-        struct {
-                struct fence    *active;
-                atomic_long_t   owner;
-        } ids[AMDGPU_NUM_VM];
+        unsigned                                num_ids;
+        struct list_head                        ids_lru;
+        struct amdgpu_vm_manager_id             ids[AMDGPU_NUM_VM];
 
         uint32_t                                max_pfn;
-        /* number of VMIDs */
-        unsigned                                nvm;
         /* vram base address for page table entry  */
         u64                                     vram_base_offset;
         /* is vm enabled? */
@@ -946,6 +948,7 @@ struct amdgpu_vm_manager {
         struct amdgpu_ring                      *vm_pte_funcs_ring;
 };
 
+void amdgpu_vm_manager_init(struct amdgpu_device *adev);
 void amdgpu_vm_manager_fini(struct amdgpu_device *adev);
 int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm);
 void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);