diff options
Diffstat (limited to 'xorg-server/hw/xfree86/dri2/dri2.c')
| -rw-r--r-- | xorg-server/hw/xfree86/dri2/dri2.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/xorg-server/hw/xfree86/dri2/dri2.c b/xorg-server/hw/xfree86/dri2/dri2.c index 9bf838e6c..578773a5a 100644 --- a/xorg-server/hw/xfree86/dri2/dri2.c +++ b/xorg-server/hw/xfree86/dri2/dri2.c @@ -828,11 +828,14 @@ DRI2SwapBuffers(ClientPtr client, DrawablePtr pDraw, CARD64 target_msc, * is moved to a crtc with a lower refresh rate, or a crtc that just
* got enabled.
*/
- if (!(*ds->GetMSC)(pDraw, &ust, ¤t_msc))
- pPriv->last_swap_target = 0;
+ if (ds->GetMSC) {
+ if (!(*ds->GetMSC)(pDraw, &ust, ¤t_msc))
+ pPriv->last_swap_target = 0;
- if (current_msc < pPriv->last_swap_target)
- pPriv->last_swap_target = current_msc;
+ if (current_msc < pPriv->last_swap_target)
+ pPriv->last_swap_target = current_msc;
+
+ }
/*
* Swap target for this swap is last swap target + swap interval since
|