drm/gma500: Replace drm_gem_object_unreference_unlocked with put function

This patch unifies the naming of DRM functions for reference counting
of struct drm_gem_object. The resulting code is more aligned with the
rest of the Linux kernel interfaces.
Signed-off-by: Thomas Zimmermann <contact@tzimmermann.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180625152148.29555-1-contact@tzimmermann.org

drivers/gpu/drm/gma500/framebuffer.c

@@ -517,7 +517,7 @@ static int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev)
 	drm_framebuffer_cleanup(&psbfb->base);
 
 	if (psbfb->base.obj[0])
-		drm_gem_object_unreference_unlocked(psbfb->base.obj[0]);
+		drm_gem_object_put_unlocked(psbfb->base.obj[0]);
 	return 0;
 }
 

drivers/gpu/drm/gma500/gem.c

@@ -93,7 +93,7 @@ int psb_gem_create(struct drm_file *file, struct drm_device *dev, u64 size,
 		return ret;
 	}
 	/* We have the initial and handle reference but need only one now */
-	drm_gem_object_unreference_unlocked(&r->gem);
+	drm_gem_object_put_unlocked(&r->gem);
 	*handlep = handle;
 	return 0;
 }

drivers/gpu/drm/gma500/gma_display.c

@@ -353,7 +353,7 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc,
 			gt = container_of(gma_crtc->cursor_obj,
 					  struct gtt_range, gem);
 			psb_gtt_unpin(gt);
-			drm_gem_object_unreference_unlocked(gma_crtc->cursor_obj);
+			drm_gem_object_put_unlocked(gma_crtc->cursor_obj);
 			gma_crtc->cursor_obj = NULL;
 		}
 		return 0;
@@ -429,7 +429,7 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc,
 	if (gma_crtc->cursor_obj) {
 		gt = container_of(gma_crtc->cursor_obj, struct gtt_range, gem);
 		psb_gtt_unpin(gt);
-		drm_gem_object_unreference_unlocked(gma_crtc->cursor_obj);
+		drm_gem_object_put_unlocked(gma_crtc->cursor_obj);
 	}
 
 	gma_crtc->cursor_obj = obj;
@@ -437,7 +437,7 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc,
 	return ret;
 
 unref_cursor:
-	drm_gem_object_unreference_unlocked(obj);
+	drm_gem_object_put_unlocked(obj);
 	return ret;
 }