drm/mediatek: Convert drm_atomic_helper_suspend/resume()

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

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Ajit Negi <ajitn.linux@gmail.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 3972111..b68922a 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -580,29 +580,24 @@ 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