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randr/provider: only allow slave gpu to be offload sources.

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The other way around makes no sense.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit fc1f61b75c)
This commit is contained in:
Dave Airlie 2016-04-29 14:01:30 +10:00 • committed by Hans de Goede
parent cc7c0b0e3c
commit cbbf4b0da0
1 changed files with 2 additions and 0 deletions
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2
randr/rrprovider.c
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@ -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);