@@ -43,7 +43,9 @@ void tidss_runtime_put(struct tidss_device *tidss)
dev_dbg(tidss->dev, "%s\n", __func__);
- r = pm_runtime_put_sync(tidss->dev);
+ pm_runtime_mark_last_busy(tidss->dev);
+
+ r = pm_runtime_put_autosuspend(tidss->dev);
WARN_ON(r < 0);
}
@@ -144,6 +146,9 @@ static int tidss_probe(struct platform_device *pdev)
pm_runtime_enable(dev);
+ pm_runtime_set_autosuspend_delay(dev, 1000);
+ pm_runtime_use_autosuspend(dev);
+
#ifndef CONFIG_PM
/* If we don't have PM, we need to call resume manually */
dispc_runtime_resume(tidss->dispc);
@@ -192,6 +197,7 @@ static int tidss_probe(struct platform_device *pdev)
#ifndef CONFIG_PM
dispc_runtime_suspend(tidss->dispc);
#endif
+ pm_runtime_dont_use_autosuspend(dev);
pm_runtime_disable(dev);
return ret;
@@ -215,6 +221,7 @@ static void tidss_remove(struct platform_device *pdev)
/* If we don't have PM, we need to call suspend manually */
dispc_runtime_suspend(tidss->dispc);
#endif
+ pm_runtime_dont_use_autosuspend(dev);
pm_runtime_disable(dev);
/* devm allocated dispc goes away with the dev so mark it NULL */
Use runtime PM autosuspend feature, with 1s timeout, to avoid unnecessary suspend-resume cycles when, e.g. the userspace temporarily turns off the crtcs when configuring the outputs. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> --- drivers/gpu/drm/tidss/tidss_drv.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)