From 752c683dbb65592e115886b252714ff41770df32 Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Thu, 20 Feb 2020 11:05:36 +0800 Subject: drm/amdgpu: fix IB test MCBP bug MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 1)for gfx IB test we shouldn't insert DE meta data 2)we should make sure IB test finished before we send event 3 to hypervisor otherwise the IDLE from event 3 will preempt IB test, which is not designed as a compatible structure for MCBP Signed-off-by: Monk Liu Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 79a7cb60c2c7..7d4a11d7f5c3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3193,6 +3193,12 @@ void amdgpu_device_fini(struct amdgpu_device *adev) flush_delayed_work(&adev->delayed_init_work); adev->shutdown = true; + /* make sure IB test finished before entering exclusive mode + * to avoid preemption on IB test + * */ + if (amdgpu_sriov_vf(adev)) + amdgpu_virt_request_full_gpu(adev, false); + /* disable all interrupts */ amdgpu_irq_disable_all(adev); if (adev->mode_info.mode_config_initialized){ -- cgit v1.2.3