drm/radeon: use drm_crtc_vblank_{get,put}()

Replace the legacy drm_vblank_{get,put}() with the new helper functions.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465224105-21485-13-git-send-email-gustavo@padovan.org

drivers/gpu/drm/radeon/radeon_display.c

@@ -381,7 +381,7 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id)
 
 	spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
 
-	drm_vblank_put(rdev->ddev, radeon_crtc->crtc_id);
+	drm_crtc_vblank_put(&radeon_crtc->base);
 	radeon_irq_kms_pflip_irq_put(rdev, work->crtc_id);
 	queue_work(radeon_crtc->flip_queue, &work->unpin_work);
 }
@@ -598,7 +598,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
 	}
 	work->base = base;
 
-	r = drm_vblank_get(crtc->dev, radeon_crtc->crtc_id);
+	r = drm_crtc_vblank_get(crtc);
 	if (r) {
 		DRM_ERROR("failed to get vblank before flip\n");
 		goto pflip_cleanup;
@@ -625,7 +625,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc,
 	return 0;
 
 vblank_cleanup:
-	drm_vblank_put(crtc->dev, radeon_crtc->crtc_id);
+	drm_crtc_vblank_put(&radeon_crtc->base);
 
 pflip_cleanup:
 	if (unlikely(radeon_bo_reserve(new_rbo, false) != 0)) {

drivers/gpu/drm/radeon/radeon_pm.c

@@ -246,6 +246,7 @@ static void radeon_set_power_state(struct radeon_device *rdev)
 
 static void radeon_pm_set_clocks(struct radeon_device *rdev)
 {
+	struct drm_crtc *crtc;
 	int i, r;
 
 	/* no need to take locks, etc. if nothing's going to change */
@@ -274,26 +275,30 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
 	radeon_unmap_vram_bos(rdev);
 
 	if (rdev->irq.installed) {
-		for (i = 0; i < rdev->num_crtc; i++) {
+		i = 0;
+		drm_for_each_crtc(crtc, rdev->ddev) {
 			if (rdev->pm.active_crtcs & (1 << i)) {
 				/* This can fail if a modeset is in progress */
-				if (drm_vblank_get(rdev->ddev, i) == 0)
+				if (drm_crtc_vblank_get(crtc) == 0)
 					rdev->pm.req_vblank |= (1 << i);
 				else
 					DRM_DEBUG_DRIVER("crtc %d no vblank, can glitch\n",
 							 i);
 			}
+			i++;
 		}
 	}
 
 	radeon_set_power_state(rdev);
 
 	if (rdev->irq.installed) {
-		for (i = 0; i < rdev->num_crtc; i++) {
+		i = 0;
+		drm_for_each_crtc(crtc, rdev->ddev) {
 			if (rdev->pm.req_vblank & (1 << i)) {
 				rdev->pm.req_vblank &= ~(1 << i);
-				drm_vblank_put(rdev->ddev, i);
+				drm_crtc_vblank_put(crtc);
 			}
+			i++;
 		}
 	}