1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 79fc5ffff22..581c67cd7b2 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -337,7 +337,9 @@ retry:
                                 return -EINVAL;
                         }
 
+                        mutex_unlock(&drm_global_mutex);
                         ret = ttm_bo_wait_cpu(&nvbo->bo, false);
+                        mutex_lock(&drm_global_mutex);
                         if (ret) {
                                 NV_ERROR(dev, "fail wait_cpu\n");
                                 return ret;
@@ -663,7 +665,7 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
                                       push[i].length);
                 }
         } else
-        if (dev_priv->card_type >= NV_20) {
+        if (dev_priv->chipset >= 0x25) {
                 ret = RING_SPACE(chan, req->nr_push * 2);
                 if (ret) {
                         NV_ERROR(dev, "cal_space: %d\n", ret);
@@ -738,7 +740,7 @@ out_next:
                 req->suffix0 = 0x00000000;
                 req->suffix1 = 0x00000000;
         } else
-        if (dev_priv->card_type >= NV_20) {
+        if (dev_priv->chipset >= 0x25) {
                 req->suffix0 = 0x00020000;
                 req->suffix1 = 0x00000000;
         } else {