drm/amdgpu: use a sync object for VMID fences v2

v2: rebase & cleanup

This way we can store more than one fence as user for each VMID.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com> (v1)
Reviewed-by: Chunming Zhou <david1.zhou@amd.com> (v1)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index c1b10046317e..148e2c61463c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -588,6 +588,9 @@ int amdgpu_sync_resv(struct amdgpu_device *adev,
                      struct amdgpu_sync *sync,
                      struct reservation_object *resv,
                      void *owner);
+bool amdgpu_sync_is_idle(struct amdgpu_sync *sync);
+int amdgpu_sync_cycle_fences(struct amdgpu_sync *dst, struct amdgpu_sync *src,
+                             struct fence *fence);
 struct fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync);
 int amdgpu_sync_wait(struct amdgpu_sync *sync);
 void amdgpu_sync_free(struct amdgpu_sync *sync);
@@ -875,7 +878,8 @@ struct amdgpu_vm {
 
 struct amdgpu_vm_id {
         struct list_head        list;
-        struct fence            *active;
+        struct fence            *first;
+        struct amdgpu_sync      active;
         atomic_long_t           owner;
 
         uint64_t                pd_gpu_addr;