[PATCH v4 1/2] drm_amdgpu: Add job fence to resv conditionally

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Job fence on page table should be a shared one, so add it to the root
page talbe bo resv.

Cc: Christian König <christian.koenig@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: Felix Kuehling <Felix.Kuehling@xxxxxxx>
Suggested-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: xinhui pan <xinhui.pan@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
index 4cc7881f438c..c094654b233c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
@@ -107,8 +107,10 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p,
 	tmp = dma_fence_get(f);
 	if (p->direct)
 		swap(p->vm->last_direct, tmp);
-	else
+	else {
+		dma_resv_add_shared_fence(p->vm->root.base.bo->tbo.base.resv, tmp);
 		swap(p->vm->last_delayed, tmp);
+	}
 	dma_fence_put(tmp);
 
 	if (fence && !p->direct)
-- 
2.17.1

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