From: Christian König <[email protected]>

There is no guarantee that the last BO_VA actually needed an update.

Additional to that all command submissions must wait for moved BOs to
be cleared, not just the first one.

Signed-off-by: Christian König <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 12 ++++++------
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h |  3 +--
 3 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 4681dcc..b59749d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -805,7 +805,7 @@ static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser 
*p)
 
        }
 
-       r = amdgpu_vm_handle_moved(adev, vm, &p->job->sync);
+       r = amdgpu_vm_handle_moved(adev, vm);
        if (r)
                return r;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 5042f09..ae2a163 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1997,7 +1997,6 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
  *
  * @adev: amdgpu_device pointer
  * @vm: requested vm
- * @sync: sync object to add fences to
  *
  * Make sure all BOs which are moved are updated in the PTs.
  * Returns 0 for success.
@@ -2005,8 +2004,7 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
  * PTs have to be reserved!
  */
 int amdgpu_vm_handle_moved(struct amdgpu_device *adev,
-                          struct amdgpu_vm *vm,
-                          struct amdgpu_sync *sync)
+                          struct amdgpu_vm *vm)
 {
        struct amdgpu_bo_va *bo_va = NULL;
        bool clear;
@@ -2025,13 +2023,15 @@ int amdgpu_vm_handle_moved(struct amdgpu_device *adev,
                if (r)
                        return r;
 
+               if (bo_va->base.bo->tbo.resv != vm->root.base.bo->tbo.resv) {
+                       dma_fence_put(vm->last_update);
+                       vm->last_update = dma_fence_get(bo_va->last_pt_update);
+               }
+
                spin_lock(&vm->status_lock);
        }
        spin_unlock(&vm->status_lock);
 
-       if (bo_va)
-               r = amdgpu_sync_fence(adev, sync, bo_va->last_pt_update);
-
        return r;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index cb6a622..48c58ae 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -250,8 +250,7 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
                          struct amdgpu_vm *vm,
                          struct dma_fence **fence);
 int amdgpu_vm_handle_moved(struct amdgpu_device *adev,
-                          struct amdgpu_vm *vm,
-                          struct amdgpu_sync *sync);
+                          struct amdgpu_vm *vm);
 int amdgpu_vm_bo_update(struct amdgpu_device *adev,
                        struct amdgpu_bo_va *bo_va,
                        bool clear);
-- 
2.7.4

_______________________________________________
amd-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

Reply via email to