From: Dmitry Osipenko digetx@gmail.com
commit a21115dd38c6cf396ba39aefd561e7903ca6149d upstream.
Runtime PM auto-suspension doesn't work without pm_runtime_mark_last_busy(), add it.
Cc: stable@vger.kernel.org Reviewed-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Dmitry Osipenko digetx@gmail.com Signed-off-by: Thierry Reding treding@nvidia.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/tegra/submit.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/tegra/submit.c +++ b/drivers/gpu/drm/tegra/submit.c @@ -475,8 +475,10 @@ static void release_job(struct host1x_jo kfree(job_data->used_mappings); kfree(job_data);
- if (pm_runtime_enabled(client->base.dev)) + if (pm_runtime_enabled(client->base.dev)) { + pm_runtime_mark_last_busy(client->base.dev); pm_runtime_put_autosuspend(client->base.dev); + } }
int tegra_drm_ioctl_channel_submit(struct drm_device *drm, void *data,