svga/winsys: Make sure a flush always inserts and returns a fence if requested

Needed for throttling.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrant <jakob@vmware.com>

diff --git a/src/gallium/winsys/svga/drm/vmw_context.c b/src/gallium/winsys/svga/drm/vmw_context.c
index 666e198954bdd55908b9d65ec20ee22aef4b1ce8..b5ca84164402795708f77283bd493bde739b45dd 100644 (file)
--- a/src/gallium/winsys/svga/drm/vmw_context.c
+++ b/src/gallium/winsys/svga/drm/vmw_context.c
@@ -158,7 +158,7 @@ vmw_swc_flush(struct svga_winsys_context *swc,
       throttle_us = vswc->throttle_set ?
         vswc->throttle_us : vswc->vws->default_throttle_us;
 
-      if (vswc->command.used)
+      if (vswc->command.used || pfence != NULL)
          vmw_ioctl_command(vswc->vws,
                           vswc->base.cid,
                           throttle_us,