From: Michel Dänzer <michel.daenzer@xxxxxxx> Without this, there could not be enough slots, which could trigger the BUG_ON in reservation_object_add_shared_fence. v2: * Jump to the error label instead of returning directly (Jerry Zhang) Cc: stable at vger.kernel.org Bugzilla: https://bugs.freedesktop.org/106418 Reported-by: mikhail.v.gavrilov at gmail.com Signed-off-by: Michel Dänzer <michel.daenzer at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 590db78b8c72..579bcc33d544 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1111,6 +1111,10 @@ int amdgpu_vm_update_directories(struct amdgpu_device *adev, struct amdgpu_ring *ring; struct dma_fence *fence; + r = reservation_object_reserve_shared(root->tbo.resv); + if (r) + goto error; + ring = container_of(vm->entity.sched, struct amdgpu_ring, sched); -- 2.17.1
