From fc1f61b75c9712e24ff665f95d62771f39eba1c7 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@gmail.com>
Date: Fri, 29 Apr 2016 14:01:30 +1000
Subject: randr/provider: only allow slave gpu to be offload sources.

The other way around makes no sense.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
 randr/rrprovider.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'randr')

diff --git a/randr/rrprovider.c b/randr/rrprovider.c
index bbb8e51b3..5329f410b 100644
--- a/randr/rrprovider.c
+++ b/randr/rrprovider.c
@@ -325,6 +325,8 @@ ProcRRSetProviderOffloadSink(ClientPtr client)
     VERIFY_RR_PROVIDER(stuff->provider, provider, DixReadAccess);
     if (!(provider->capabilities & RR_Capability_SourceOffload))
         return BadValue;
+    if (!provider->pScreen->isGPU)
+        return BadValue;
 
     if (stuff->sink_provider) {
         VERIFY_RR_PROVIDER(stuff->sink_provider, sink_provider, DixReadAccess);
-- 
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