Merge tag 'tilcdc-4.20' of https://github.com/jsarha/linux into drm-next

drm/tilcdc changes for Linux v4.20

suspend/resume update.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Jyri Sarha <jsarha@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/bd8d6b40-d3d6-8e24-9d48-6201b860aceb@ti.com

drivers/gpu/drm/tilcdc/tilcdc_drv.c

@@ -554,29 +554,23 @@ static struct drm_driver tilcdc_driver = {
 static int tilcdc_pm_suspend(struct device *dev)
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
-	struct tilcdc_drm_private *priv = ddev->dev_private;
+	int ret = 0;
 
-	priv->saved_state = drm_atomic_helper_suspend(ddev);
+	ret = drm_mode_config_helper_suspend(ddev);
 
 	/* Select sleep pin state */
 	pinctrl_pm_select_sleep_state(dev);
 
-	return 0;
+	return ret;
 }
 
 static int tilcdc_pm_resume(struct device *dev)
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
-	struct tilcdc_drm_private *priv = ddev->dev_private;
-	int ret = 0;
 
 	/* Select default pin state */
 	pinctrl_pm_select_default_state(dev);
-
-	if (priv->saved_state)
-		ret = drm_atomic_helper_resume(ddev, priv->saved_state);
-
-	return ret;
+	return  drm_mode_config_helper_resume(ddev);
 }
 #endif
 

drivers/gpu/drm/tilcdc/tilcdc_drv.h

@@ -70,9 +70,6 @@ struct tilcdc_drm_private {
 	const uint32_t *pixelformats;
 	uint32_t num_pixelformats;
 
-	/* The context for pm susped/resume cycle is stored here */
-	struct drm_atomic_state *saved_state;
-
 #ifdef CONFIG_CPU_FREQ
 	struct notifier_block freq_transition;
 #endif