@@ -2348,6 +2348,71 @@ static int amdgpu_pmops_restore(struct d
return amdgpu_device_resume(drm_dev, true);
}
+static int amdgpu_runtime_idle_check_display(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_to_adev(drm_dev);
+
+ if (adev->mode_info.num_crtc) {
+ struct drm_connector *list_connector;
+ struct drm_connector_list_iter iter;
+ int ret = 0;
+
+ /* XXX: Return busy if any displays are connected to avoid
+ * possible display wakeups after runtime resume due to
+ * hotplug events in case any displays were connected while
+ * the GPU was in suspend. Remove this once that is fixed.
+ */
+ mutex_lock(&drm_dev->mode_config.mutex);
+ drm_connector_list_iter_begin(drm_dev, &iter);
+ drm_for_each_connector_iter(list_connector, &iter) {
+ if (list_connector->status == connector_status_connected) {
+ ret = -EBUSY;
+ break;
+ }
+ }
+ drm_connector_list_iter_end(&iter);
+ mutex_unlock(&drm_dev->mode_config.mutex);
+
+ if (ret)
+ return ret;
+
+ if (amdgpu_device_has_dc_support(adev)) {
+ struct drm_crtc *crtc;
+
+ drm_for_each_crtc(crtc, drm_dev) {
+ drm_modeset_lock(&crtc->mutex, NULL);
+ if (crtc->state->active)
+ ret = -EBUSY;
+ drm_modeset_unlock(&crtc->mutex);
+ if (ret < 0)
+ break;
+ }
+ } else {
+ mutex_lock(&drm_dev->mode_config.mutex);
+ drm_modeset_lock(&drm_dev->mode_config.connection_mutex, NULL);
+
+ drm_connector_list_iter_begin(drm_dev, &iter);
+ drm_for_each_connector_iter(list_connector, &iter) {
+ if (list_connector->dpms == DRM_MODE_DPMS_ON) {
+ ret = -EBUSY;
+ break;
+ }
+ }
+
+ drm_connector_list_iter_end(&iter);
+
+ drm_modeset_unlock(&drm_dev->mode_config.connection_mutex);
+ mutex_unlock(&drm_dev->mode_config.mutex);
+ }
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
static int amdgpu_pmops_runtime_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
@@ -2360,6 +2425,10 @@ static int amdgpu_pmops_runtime_suspend(
return -EBUSY;
}
+ ret = amdgpu_runtime_idle_check_display(dev);
+ if (ret)
+ return ret;
+
/* wait for all rings to drain before suspending */
for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
struct amdgpu_ring *ring = adev->rings[i];
@@ -2469,41 +2538,7 @@ static int amdgpu_pmops_runtime_idle(str
return -EBUSY;
}
- if (amdgpu_device_has_dc_support(adev)) {
- struct drm_crtc *crtc;
-
- drm_for_each_crtc(crtc, drm_dev) {
- drm_modeset_lock(&crtc->mutex, NULL);
- if (crtc->state->active)
- ret = -EBUSY;
- drm_modeset_unlock(&crtc->mutex);
- if (ret < 0)
- break;
- }
-
- } else {
- struct drm_connector *list_connector;
- struct drm_connector_list_iter iter;
-
- mutex_lock(&drm_dev->mode_config.mutex);
- drm_modeset_lock(&drm_dev->mode_config.connection_mutex, NULL);
-
- drm_connector_list_iter_begin(drm_dev, &iter);
- drm_for_each_connector_iter(list_connector, &iter) {
- if (list_connector->dpms == DRM_MODE_DPMS_ON) {
- ret = -EBUSY;
- break;
- }
- }
-
- drm_connector_list_iter_end(&iter);
-
- drm_modeset_unlock(&drm_dev->mode_config.connection_mutex);
- mutex_unlock(&drm_dev->mode_config.mutex);
- }
-
- if (ret == -EBUSY)
- DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
+ ret = amdgpu_runtime_idle_check_display(dev);
pm_runtime_mark_last_busy(dev);
pm_runtime_autosuspend(dev);