From 26d848cb916c8a85f2c69d2aeb004665ba07bf00 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Tue, 29 May 2012 14:35:24 +0100
Subject: randr: fix tellchanged to work with slave scanouts

Tell changed need to tell only for the master pixmap,
however it gets called from various places for slave screens,
so convert to telling clients about changes on the master screen.

Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 randr/randr.c | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)

(limited to 'randr')

diff --git a/randr/randr.c b/randr/randr.c
index 103c31e31..ae8116677 100644
--- a/randr/randr.c
+++ b/randr/randr.c
@@ -467,25 +467,37 @@ TellChanged(WindowPtr pWin, pointer value)
 void
 RRTellChanged(ScreenPtr pScreen)
 {
+    ScreenPtr master;
     rrScrPriv(pScreen);
+    rrScrPrivPtr mastersp;
     int i;
 
+    if (pScreen->isGPU) {
+        master = pScreen->current_master;
+        mastersp = rrGetScrPriv(master);
+    }
+    else {
+        master = pScreen;
+        mastersp = pScrPriv;
+    }
+
     if (pScrPriv->changed) {
         UpdateCurrentTimeIf();
-        if (pScrPriv->configChanged) {
-            pScrPriv->lastConfigTime = currentTime;
-            pScrPriv->configChanged = FALSE;
+        if (mastersp->configChanged) {
+            mastersp->lastConfigTime = currentTime;
+            mastersp->configChanged = FALSE;
         }
         pScrPriv->changed = FALSE;
-        WalkTree(pScreen, TellChanged, (pointer) pScreen);
+        mastersp->changed = FALSE;
+        WalkTree(master, TellChanged, (pointer) master);
         for (i = 0; i < pScrPriv->numOutputs; i++)
             pScrPriv->outputs[i]->changed = FALSE;
         for (i = 0; i < pScrPriv->numCrtcs; i++)
             pScrPriv->crtcs[i]->changed = FALSE;
-        if (pScrPriv->layoutChanged) {
+        if (mastersp->layoutChanged) {
             pScrPriv->layoutChanged = FALSE;
-            RRPointerScreenConfigured(pScreen);
-            RRSendConfigNotify(pScreen);
+            RRPointerScreenConfigured(master);
+            RRSendConfigNotify(master);
         }
     }
 }
-- 
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