[PATCH] drm/mediatek: Convert drm_atomic_helper_suspend/resume()

[Souptick Joarder <jrdr.linux@xxxxxxxxx>]

convert drm_atomic_helper_suspend/resume() to use
drm_mode_config_helper_suspend/resume().

Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
Signed-off-by: Ajit Negi <ajitn.linux@xxxxxxxxx>
---
 drivers/gpu/drm/mediatek/mtk_drm_drv.c | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index a2ca90f..1fcda2de 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -520,29 +520,24 @@ static int mtk_drm_sys_suspend(struct device *dev)
 {
 	struct mtk_drm_private *private = dev_get_drvdata(dev);
 	struct drm_device *drm = private->drm;
+	int ret;
 
-	drm_kms_helper_poll_disable(drm);
-
-	private->suspend_state = drm_atomic_helper_suspend(drm);
-	if (IS_ERR(private->suspend_state)) {
-		drm_kms_helper_poll_enable(drm);
-		return PTR_ERR(private->suspend_state);
-	}
-
+	ret = drm_mode_config_helper_suspend(drm);
 	DRM_DEBUG_DRIVER("mtk_drm_sys_suspend\n");
-	return 0;
+
+	return ret;
 }
 
 static int mtk_drm_sys_resume(struct device *dev)
 {
 	struct mtk_drm_private *private = dev_get_drvdata(dev);
 	struct drm_device *drm = private->drm;
+	int ret;
 
-	drm_atomic_helper_resume(drm, private->suspend_state);
-	drm_kms_helper_poll_enable(drm);
-
+	ret = drm_mode_config_helper_resume(drm);
 	DRM_DEBUG_DRIVER("mtk_drm_sys_resume\n");
-	return 0;
+
+	return ret;
 }
 #endif
 
-- 
1.9.1

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