On 2019-06-11 9:20, Zeng, Oak wrote: > 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> Reviewed-by: Felix Kuehling <Felix.Kuehling@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: _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
