randr: make SetChanged modify the main protocol screen not the gpu screen

When SetChanged is called we now modify the main protocol screen,
not the the gpu screen. Since changed stuff should work at the protocol level.

Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 15 insertions, 1 deletions

diff --git a/randr/randr.c b/randr/randr.c
index 11f88b2b4..fb0895d7a 100644
--- a/randr/randr.c
+++ b/randr/randr.c
@@ -467,9 +467,23 @@ TellChanged(WindowPtr pWin, pointer value)
 void
 RRSetChanged(ScreenPtr pScreen)
 {
+    /* set changed bits on the master screen only */
+    ScreenPtr master;
     rrScrPriv(pScreen);
+    rrScrPrivPtr mastersp;
+
+    if (pScreen->isGPU) {
+        master = pScreen->current_master;
+        if (!master)
+            return;
+        mastersp = rrGetScrPriv(master);
+    }
+    else {
+        master = pScreen;
+        mastersp = pScrPriv;
+    }
 
-    pScrPriv->changed = TRUE;
+    mastersp->changed = TRUE;
 }
 
 /*