diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index f31661f8f7d3..8ea86ffdea0d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1299,24 +1299,55 @@ static int amdgpu_pmops_runtime_idle(struct device *dev) { struct drm_device *drm_dev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_dev->dev_private; - struct drm_crtc *crtc; + /* we don't want the main rpm_idle to call suspend - we want to autosuspend */ + int ret = 1; if (!adev->runpm) { pm_runtime_forbid(dev); return -EBUSY; } - list_for_each_entry(crtc, &drm_dev->mode_config.crtc_list, head) { - if (crtc->enabled) { - DRM_DEBUG_DRIVER("failing to power off - crtc active\n"); - return -EBUSY; + if (amdgpu_device_has_dc_support(adev)) { + struct drm_crtc *crtc; + + drm_modeset_lock_all(drm_dev); + + drm_for_each_crtc(crtc, drm_dev) { + if (crtc->state->active) { + ret = -EBUSY; + break; + } } + + drm_modeset_unlock_all(drm_dev); + + } 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"); + pm_runtime_mark_last_busy(dev); pm_runtime_autosuspend(dev); - /* we don't want the main rpm_idle to call suspend - we want to autosuspend */ - return 1; + return ret; } long amdgpu_drm_ioctl(struct file *filp, |