drm/exynos: do not use mode_set_base function directly

This patch adds exynos_drm_crtc_mode_set_commit function
to update mode data and it makes page flip call this function
instead of calling exynos_drm_crtc_mode_set_base function directly.

exynos_drm_crtc_mode_set_base function is called by drm subsystem
as a callback so we don't have to call this function directly.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

drivers/gpu/drm/exynos/exynos_drm_crtc.c

@@ -139,7 +139,7 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
 	return 0;
 }
 
-static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
+static int exynos_drm_crtc_mode_set_commit(struct drm_crtc *crtc, int x, int y,
 					  struct drm_framebuffer *old_fb)
 {
 	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
@@ -169,6 +169,12 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
 	return 0;
 }
 
+static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
+					  struct drm_framebuffer *old_fb)
+{
+	return exynos_drm_crtc_mode_set_commit(crtc, x, y, old_fb);
+}
+
 static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
 {
 	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
@@ -230,7 +236,7 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
 		spin_unlock_irq(&dev->event_lock);
 
 		crtc->fb = fb;
-		ret = exynos_drm_crtc_mode_set_base(crtc, crtc->x, crtc->y,
+		ret = exynos_drm_crtc_mode_set_commit(crtc, crtc->x, crtc->y,
 						    NULL);
 		if (ret) {
 			crtc->fb = old_fb;