drm/nouveau: warn if we fail to re-pin fb on resume

Spotted by Coverity.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 1cc7b603c75342799835825708e0d6edb144f620..65b4fd53dd4e13186c2d33a072b380e2b8a1fdd1 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -592,7 +592,9 @@ nouveau_display_repin(struct drm_device *dev)
                if (!nouveau_fb || !nouveau_fb->nvbo)
                        continue;
 
-               nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
+               ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
+               if (ret)
+                       NV_ERROR(drm, "Could not pin framebuffer\n");
        }
 
        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {