From e6d90ba86b33d2e0b4d1904ff45fa34c59e17c32 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Sun, 4 Feb 2018 19:36:52 +0100 Subject: [PATCH 3494/4131] drm/amdgpu: sync the VM PD/PT before clearing it MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Otherwise we might overwrite stuff which is still in use. Signed-off-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index eb5ccca..6c3036b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -329,6 +329,11 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev, amdgpu_ring_pad_ib(ring, &job->ibs[0]); WARN_ON(job->ibs[0].length_dw > 64); + r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.resv, + AMDGPU_FENCE_OWNER_UNDEFINED, false); + if (r) + goto error_free; + r = amdgpu_job_submit(job, ring, &vm->entity, AMDGPU_FENCE_OWNER_UNDEFINED, &fence); if (r) -- 2.7.4