drm/amdgpu: rework VM state machine lock handling v2

Only the moved state needs a separate spin lock protection. All other
states are protected by reserving the VM anyway.

v2: fix some more incorrect cases

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

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index d6827083572a..0196b9a782f2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -168,9 +168,6 @@ struct amdgpu_vm {
         /* tree of virtual addresses mapped */
         struct rb_root_cached   va;
 
-        /* protecting invalidated */
-        spinlock_t              status_lock;
-
         /* BOs who needs a validation */
         struct list_head        evicted;
 
@@ -179,6 +176,7 @@ struct amdgpu_vm {
 
         /* BOs moved, but not yet updated in the PT */
         struct list_head        moved;
+        spinlock_t              moved_lock;
 
         /* BO mappings freed, but not yet updated in the PT */
         struct list_head        freed;