diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 3f6f14ce1511..d264d9011e03 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1203,13 +1203,23 @@ static int amdgpu_pmops_runtime_suspend(struct device *dev) struct pci_dev *pdev = to_pci_dev(dev); struct drm_device *drm_dev = pci_get_drvdata(pdev); struct amdgpu_device *adev = drm_dev->dev_private; - int ret; + int ret, i; if (!adev->runpm) { pm_runtime_forbid(dev); return -EBUSY; } + /* wait for all rings to drain before suspending */ + for (i = 0; i < AMDGPU_MAX_RINGS; i++) { + struct amdgpu_ring *ring = adev->rings[i]; + if (ring && ring->sched.ready) { + ret = amdgpu_fence_wait_empty(ring); + if (ret) + return -EBUSY; + } + } + if (amdgpu_device_supports_boco(drm_dev)) drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; drm_kms_helper_poll_disable(drm_dev); |