[PATCH] gpu/drm/exynos: 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().

exynos_drm_fbdev_suspend/resume can be removed
as drm_mode_config_helper_suspend/resume has
implement the same in generic way.

Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
Signed-off-by: Ajit Negi <ajitn.linux@xxxxxxxxx>
---
 drivers/gpu/drm/exynos/exynos_drm_drv.c   | 32 ++++++++++---------------------
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 17 ----------------
 drivers/gpu/drm/exynos/exynos_drm_fbdev.h | 10 ----------
 3 files changed, 10 insertions(+), 49 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index a81b4a5..1996ff7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -151,39 +151,27 @@ static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file)
 static int exynos_drm_suspend(struct device *dev)
 {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
-	struct exynos_drm_private *private;
+	int ret = 0;
 
-	if (pm_runtime_suspended(dev) || !drm_dev)
-		return 0;
+	if (pm_runtime_suspended(dev))
+		return ret;
 
-	private = drm_dev->dev_private;
+	ret = drm_mode_config_helper_suspend(drm_dev);
 
-	drm_kms_helper_poll_disable(drm_dev);
-	exynos_drm_fbdev_suspend(drm_dev);
-	private->suspend_state = drm_atomic_helper_suspend(drm_dev);
-	if (IS_ERR(private->suspend_state)) {
-		exynos_drm_fbdev_resume(drm_dev);
-		drm_kms_helper_poll_enable(drm_dev);
-		return PTR_ERR(private->suspend_state);
-	}
-
-	return 0;
+	return ret;
 }
 
 static int exynos_drm_resume(struct device *dev)
 {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
-	struct exynos_drm_private *private;
+	int ret = 0;
 
-	if (pm_runtime_suspended(dev) || !drm_dev)
-		return 0;
+	if (pm_runtime_suspended(dev))
+		return ret;
 
-	private = drm_dev->dev_private;
-	drm_atomic_helper_resume(drm_dev, private->suspend_state);
-	exynos_drm_fbdev_resume(drm_dev);
-	drm_kms_helper_poll_enable(drm_dev);
+	ret = drm_mode_config_helper_resume(drm_dev);
 
-	return 0;
+	return ret;
 }
 #endif
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 132dd52..918dd2c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -270,20 +270,3 @@ void exynos_drm_fbdev_fini(struct drm_device *dev)
 	private->fb_helper = NULL;
 }
 
-void exynos_drm_fbdev_suspend(struct drm_device *dev)
-{
-	struct exynos_drm_private *private = dev->dev_private;
-
-	console_lock();
-	drm_fb_helper_set_suspend(private->fb_helper, 1);
-	console_unlock();
-}
-
-void exynos_drm_fbdev_resume(struct drm_device *dev)
-{
-	struct exynos_drm_private *private = dev->dev_private;
-
-	console_lock();
-	drm_fb_helper_set_suspend(private->fb_helper, 0);
-	console_unlock();
-}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.h b/drivers/gpu/drm/exynos/exynos_drm_fbdev.h
index b338472..6840b6a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.h
@@ -19,8 +19,6 @@
 
 int exynos_drm_fbdev_init(struct drm_device *dev);
 void exynos_drm_fbdev_fini(struct drm_device *dev);
-void exynos_drm_fbdev_suspend(struct drm_device *drm);
-void exynos_drm_fbdev_resume(struct drm_device *drm);
 
 #else
 
@@ -39,14 +37,6 @@ static inline void exynos_drm_fbdev_restore_mode(struct drm_device *dev)
 
 #define exynos_drm_output_poll_changed (NULL)
 
-static inline void exynos_drm_fbdev_suspend(struct drm_device *drm)
-{
-}
-
-static inline void exynos_drm_fbdev_resume(struct drm_device *drm)
-{
-}
-
 #endif
 
 #endif
-- 
1.9.1

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