From: Christian König Date: Tue, 11 Jul 2017 14:59:21 +0000 (+0200) Subject: drm/amdgpu: fix VM flush for CPU based updates X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6f1ceabbd7091b81139e342fc2b08105bc4fa035;p=openwrt%2Fstaging%2Fblogic.git drm/amdgpu: fix VM flush for CPU based updates We don't have any update fence in that case, so the need for flushing isn't detected automatically. Signed-off-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 30c4322ddce7..84260f7737d3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -422,7 +422,7 @@ static int amdgpu_vm_grab_reserved_vmid_locked(struct amdgpu_vm *vm, struct dma_fence *updates = sync->last_vm_update; int r = 0; struct dma_fence *flushed, *tmp; - bool needs_flush = false; + bool needs_flush = vm->use_cpu_for_update; flushed = id->flushed_updates; if ((amdgpu_vm_had_gpu_reset(adev, id)) || @@ -543,11 +543,11 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, } kfree(fences); - job->vm_needs_flush = false; + job->vm_needs_flush = vm->use_cpu_for_update; /* Check if we can use a VMID already assigned to this VM */ list_for_each_entry_reverse(id, &id_mgr->ids_lru, list) { struct dma_fence *flushed; - bool needs_flush = false; + bool needs_flush = vm->use_cpu_for_update; /* Check all the prerequisites to using this VMID */ if (amdgpu_vm_had_gpu_reset(adev, id))