[Bug 71958] xrandr --setprovideroffloadsink fails on Lenovo Y470p

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71958

--- Comment #5 from carasin <carasin.berlogue at mail.ru> ---
Package xorg-x11-drv-intel-2.21.15-4.fc20.x86_64 is built with two xwayland
patches: 0001-xwayland-Add-xwayland-support.patch and
0002-xwayland-shortcut-Enter-ExitVT.patch

I've locally built xorg-x11-drv-intel-2.21.15-4 without both xwayland patches.
Now xrandr --setprovideroffloadsink 0x55 0x7b works fine!

   $ xrandr --listproviders 
   Providers: number : 3
   Provider 0: id: 0x7b cap: 0xb, Source Output, Sink Output, Sink Offload
crtcs: 2 outputs: 4 associated providers: 2 name:Intel
   Provider 1: id: 0x55 cap: 0xf, Source Output, Sink Output, Source Offload,
Sink Offload crtcs: 6 outputs: 0 associated providers: 2 name:radeon
   Provider 2: id: 0x55 cap: 0xf, Source Output, Sink Output, Source Offload,
Sink Offload crtcs: 6 outputs: 0 associated providers: 2 name:radeon

   $ xrandr --setprovideroffloadsink 0x55 0x7b

There is no error output. That's DRI_PRIME=1 glxinfo output:

   $ DRI_PRIME=1 glxinfo | grep OpenGL
   OpenGL vendor string: X.Org
   OpenGL renderer string: Gallium 0.4 on AMD TURKS
   OpenGL core profile version string: 3.1 (Core Profile) Mesa 9.2.3
   OpenGL core profile shading language version string: 1.40
   OpenGL core profile context flags: (none)
   OpenGL core profile extensions:
   OpenGL version string: 3.0 Mesa 9.2.3
   OpenGL shading language version string: 1.30
   OpenGL context flags: (none)
   OpenGL extensions:

This bug is located at the xwayland patches.

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