1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index ed3c1e7ddde9..2dd185e42f21 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1098,6 +1098,11 @@ static void vmw_pm_complete(struct device *kdev)
         struct drm_device *dev = pci_get_drvdata(pdev);
         struct vmw_private *dev_priv = vmw_priv(dev);
 
+        mutex_lock(&dev_priv->hw_mutex);
+        vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
+        (void) vmw_read(dev_priv, SVGA_REG_ID);
+        mutex_unlock(&dev_priv->hw_mutex);
+
         /**
          * Reclaim 3d reference held by fbdev and potentially
          * start fifo.