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.Zeng@xxxxxxx> --- 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 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx