Call reservation_object_reserve_shared to reserve
space for shared fence. Otherwise it will trigger
BUG_ON condition in reservation_object_add_shared_fence.
Change-Id: Ib0fae16247e33ee68f95bffa723451c0cd619344
Signed-off-by: Oak Zeng <oak.z...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 81e0e75..74e8695 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -2152,12 +2152,16 @@ int amdgpu_amdkfd_add_gws_to_process(void *info, void
*gws, struct kgd_mem **mem
* Add process eviction fence to bo so they can
* evict each other.
*/
+ ret = reservation_object_reserve_shared(gws_bo->tbo.resv, 1);
+ if (ret)
+ goto reserve_shared_fail;
amdgpu_bo_fence(gws_bo, &process_info->eviction_fence->base, true);
amdgpu_bo_unreserve(gws_bo);
mutex_unlock(&(*mem)->process_info->lock);
return ret;
+reserve_shared_fail:
bo_validation_failure:
amdgpu_bo_unreserve(gws_bo);
bo_reservation_failure:
--
2.7.4
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