From 9bb5cd4001413445675bf9385fcea15b8f4a7f1a Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 28 Apr 2016 17:03:19 -0400 Subject: [PATCH] drm/amdgpu: check if ring emit_vm_flush exists in vm flush No vm flush on engines that don't support VM. bug: https://bugs.freedesktop.org/show_bug.cgi?id=95195 Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 2c3d955..692d0d02 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -303,7 +303,8 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, pd_addr != AMDGPU_VM_NO_FLUSH || gds_switch_needed)) amdgpu_ring_emit_pipeline_sync(ring); - if (pd_addr != AMDGPU_VM_NO_FLUSH) { + if (ring->funcs->emit_vm_flush && + pd_addr != AMDGPU_VM_NO_FLUSH) { struct fence *fence; trace_amdgpu_vm_flush(pd_addr, ring->idx, vm_id); -- 2.5.5