[PATCH 1/7] drm/exynos: make wait_for_vblank a manager op

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The wait_for_vblank callback is moved from overlay ops to manager ops
of exynos drm driver. Also, the check for DPMS OFF of encoder is
removed before calling wait_for_vblank.

Signed-off-by: Prathyush K <prathyush.k@xxxxxxxxxxx>
---
 drivers/gpu/drm/exynos/exynos_drm_drv.h     |    6 +++---
 drivers/gpu/drm/exynos/exynos_drm_encoder.c |   15 ++++-----------
 2 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 9c9c2dc..398210d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -74,8 +74,6 @@ enum exynos_drm_output_type {
  * @commit: apply hardware specific overlay data to registers.
  * @enable: enable hardware specific overlay.
  * @disable: disable hardware specific overlay.
- * @wait_for_vblank: wait for vblank interrupt to make sure that
- *	hardware overlay is disabled.
  */
 struct exynos_drm_overlay_ops {
 	void (*mode_set)(struct device *subdrv_dev,
@@ -83,7 +81,6 @@ struct exynos_drm_overlay_ops {
 	void (*commit)(struct device *subdrv_dev, int zpos);
 	void (*enable)(struct device *subdrv_dev, int zpos);
 	void (*disable)(struct device *subdrv_dev, int zpos);
-	void (*wait_for_vblank)(struct device *subdrv_dev);
 };
 
 /*
@@ -186,6 +183,8 @@ struct exynos_drm_display_ops {
  * @commit: set current hw specific display mode to hw.
  * @enable_vblank: specific driver callback for enabling vblank interrupt.
  * @disable_vblank: specific driver callback for disabling vblank interrupt.
+ * @wait_for_vblank: wait for vblank interrupt to make sure that
+ *	hardware overlay is updated.
  */
 struct exynos_drm_manager_ops {
 	void (*dpms)(struct device *subdrv_dev, int mode);
@@ -200,6 +199,7 @@ struct exynos_drm_manager_ops {
 	void (*commit)(struct device *subdrv_dev);
 	int (*enable_vblank)(struct device *subdrv_dev);
 	void (*disable_vblank)(struct device *subdrv_dev);
+	void (*wait_for_vblank)(struct device *subdrv_dev);
 };
 
 /*
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index d9afb11..3014852 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -237,8 +237,7 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
 void exynos_drm_encoder_complete_scanout(struct drm_framebuffer *fb)
 {
 	struct exynos_drm_encoder *exynos_encoder;
-	struct exynos_drm_overlay_ops *overlay_ops;
-	struct exynos_drm_manager *manager;
+	struct exynos_drm_manager_ops *ops;
 	struct drm_device *dev = fb->dev;
 	struct drm_encoder *encoder;
 
@@ -248,21 +247,15 @@ void exynos_drm_encoder_complete_scanout(struct drm_framebuffer *fb)
 	 */
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 		exynos_encoder = to_exynos_encoder(encoder);
-
-		/* if exynos was disabled, just ignor it. */
-		if (exynos_encoder->dpms > DRM_MODE_DPMS_ON)
-			continue;
-
-		manager = exynos_encoder->manager;
-		overlay_ops = manager->overlay_ops;
+		ops = exynos_encoder->manager->ops;
 
 		/*
 		 * wait for vblank interrupt
 		 * - this makes sure that overlay data are updated to
 		 *	real hardware.
 		 */
-		if (overlay_ops->wait_for_vblank)
-			overlay_ops->wait_for_vblank(manager->dev);
+		if (ops->wait_for_vblank)
+			ops->wait_for_vblank(exynos_encoder->manager->dev);
 	}
 }
 
-- 
1.7.0.4

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