[PATCH 7/7] Revert "drm/vblank: Data type fixes for 64-bit vblank sequences."

[StanLis]

From: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>

This reverts commit 3b765c0b765d2cc03ef02276f1af2658a03b3ced.
---
 drivers/gpu/drm/drm_vblank.c | 8 ++++----
 include/drm/drm_vblank.h     | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
index cccdc5f55bea..03b431eb47ae 100644
--- a/drivers/gpu/drm/drm_vblank.c
+++ b/drivers/gpu/drm/drm_vblank.c
@@ -274,7 +274,7 @@ static void drm_update_vblank_count(struct drm_device *dev, unsigned int pipe,
 	store_vblank(dev, pipe, diff, t_vblank, cur_vblank);
 }
 
-static u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe)
+static u32 drm_vblank_count(struct drm_device *dev, unsigned int pipe)
 {
 	struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
 
@@ -295,11 +295,11 @@ static u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe)
  * This is mostly useful for hardware that can obtain the scanout position, but
  * doesn't have a hardware frame counter.
  */
-u64 drm_crtc_accurate_vblank_count(struct drm_crtc *crtc)
+u32 drm_crtc_accurate_vblank_count(struct drm_crtc *crtc)
 {
 	struct drm_device *dev = crtc->dev;
 	unsigned int pipe = drm_crtc_index(crtc);
-	u64 vblank;
+	u32 vblank;
 	unsigned long flags;
 
 	WARN_ONCE(drm_debug & DRM_UT_VBL && !dev->driver->get_vblank_timestamp,
@@ -1064,7 +1064,7 @@ void drm_wait_one_vblank(struct drm_device *dev, unsigned int pipe)
 {
 	struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
 	int ret;
-	u64 last;
+	u32 last;
 
 	if (WARN_ON(pipe >= dev->num_crtcs))
 		return;
diff --git a/include/drm/drm_vblank.h b/include/drm/drm_vblank.h
index ee1f65899eac..425ad80ed2ac 100644
--- a/include/drm/drm_vblank.h
+++ b/include/drm/drm_vblank.h
@@ -195,7 +195,7 @@ void drm_crtc_wait_one_vblank(struct drm_crtc *crtc);
 void drm_crtc_vblank_off(struct drm_crtc *crtc);
 void drm_crtc_vblank_reset(struct drm_crtc *crtc);
 void drm_crtc_vblank_on(struct drm_crtc *crtc);
-u64 drm_crtc_accurate_vblank_count(struct drm_crtc *crtc);
+u32 drm_crtc_accurate_vblank_count(struct drm_crtc *crtc);
 
 bool drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
 					   unsigned int pipe, int *max_error,
-- 
2.17.0