drm/vmwgfx: Add kernel throttling support. Bump minor.

[mv-sheeva.git] / drivers / gpu / drm / vmwgfx / vmwgfx_execbuf.c

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index dbd36b8910cf5cc65f22879c61017f8a0de83dc3..bdd67cf83315f590165fbf6b40437454d4e29186 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -669,6 +669,15 @@ int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
                goto out_err;
 
        vmw_apply_relocations(sw_context);
+
+       if (arg->throttle_us) {
+               ret = vmw_wait_lag(dev_priv, &dev_priv->fifo.fence_queue,
+                                  arg->throttle_us);
+
+               if (unlikely(ret != 0))
+                       goto out_err;
+       }
+
        vmw_fifo_commit(dev_priv, arg->command_size);
 
        ret = vmw_fifo_send_fence(dev_priv, &sequence);