drm/amdgpu: split VMID management by VMHUB

This way GFX and MM won't fight for VMIDs any more.

Initially disabled since we need to stop flushing all HUBS
at the same time as well.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Andres Rodriguez <andresx7@gmail.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 10 insertions, 5 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index ba9c39317dd3..661a8f6826ef 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -146,12 +146,16 @@ struct amdgpu_vm_id {
         uint32_t                oa_size;
 };
 
+struct amdgpu_vm_id_manager {
+        struct mutex            lock;
+        unsigned                num_ids;
+        struct list_head        ids_lru;
+        struct amdgpu_vm_id     ids[AMDGPU_NUM_VM];
+};
+
 struct amdgpu_vm_manager {
         /* Handling of VMIDs */
-        struct mutex                            lock;
-        unsigned                                num_ids;
-        struct list_head                        ids_lru;
-        struct amdgpu_vm_id                     ids[AMDGPU_NUM_VM];
+        struct amdgpu_vm_id_manager             id_mgr[AMDGPU_MAX_VMHUBS];
 
         /* Handling of VM fences */
         u64                                     fence_context;
@@ -197,7 +201,8 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
                       struct amdgpu_sync *sync, struct dma_fence *fence,
                       struct amdgpu_job *job);
 int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job);
-void amdgpu_vm_reset_id(struct amdgpu_device *adev, unsigned vm_id);
+void amdgpu_vm_reset_id(struct amdgpu_device *adev, unsigned vmhub,
+                        unsigned vmid);
 int amdgpu_vm_update_directories(struct amdgpu_device *adev,
                                  struct amdgpu_vm *vm);
 int amdgpu_vm_clear_freed(struct amdgpu_device *adev,