pm_runtime_get*() may return -EACCESS to indicate a device does not have runtime PM enabled. This is the case when the nouveau.runpm parameter is set to 0, and is not an error in that context. Handle this case without failure. Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxx> --- drivers/gpu/drm/nouveau/dispnv04/crtc.c | 2 +- drivers/gpu/drm/nouveau/nouveau_connector.c | 2 +- drivers/gpu/drm/nouveau/nouveau_drm.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c b/drivers/gpu/drm/nouveau/dispnv04/crtc.c index 0e3270c..1caef1f 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c +++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c @@ -1048,7 +1048,7 @@ nouveau_crtc_set_config(struct drm_mode_set *set) /* get a pm reference here */ ret = pm_runtime_get_sync(dev->dev); - if (ret < 0) + if (ret < 0 && ret != -EACCES) return ret; ret = drm_crtc_helper_set_config(set); diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 1674882..cddef54 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -255,7 +255,7 @@ nouveau_connector_detect(struct drm_connector *connector, bool force) } ret = pm_runtime_get_sync(connector->dev->dev); - if (ret < 0) + if (ret < 0 && ret != -EACCES) return conn_status; i2c = nouveau_connector_ddc_detect(connector, &nv_encoder); diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 98a22e6..23299ca 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -670,7 +670,7 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) /* need to bring up power immediately if opening device */ ret = pm_runtime_get_sync(dev->dev); - if (ret < 0) + if (ret < 0 && ret != -EACCES) return ret; get_task_comm(tmpname, current); @@ -753,7 +753,7 @@ long nouveau_drm_ioctl(struct file *filp, dev = file_priv->minor->dev; ret = pm_runtime_get_sync(dev->dev); - if (ret < 0) + if (ret < 0 && ret != -EACCES) return ret; ret = drm_ioctl(filp, cmd, arg); -- 1.8.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
