[Bug 89916] DRI PRIME renders only black window

[bugzilla-daemon@freedesktop.org]

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https://bugs.freedesktop.org/show_bug.cgi?id=89916

            Bug ID: 89916
           Summary: DRI PRIME renders only black window
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: towo@siduction.org

a have a Lenovo Notebook which contains a FX-7500.
There are 2 graphics devices in:

root@lenovo-nb:/home/towo# lspci | egrep -i "displ|vga"
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Kaveri [Radeon R6/R7 Graphics]
01:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Jet PRO
[Radeon R5 M230] (rev ff)

The system is using the Kaveri graphics.


towo:lenovo-nb> glxinfo | grep "OpenGL renderer string"
OpenGL renderer string: Gallium 0.4 on AMD KAVERI

towo:lenovo-nb> xrandr --listproviders
Providers: number : 2
Provider 0: id: 0x86 cap: 0xf, Source Output, Sink Output, Source Offload, Sink
Offload crtcs: 4 outputs: 3 associated providers: 1 name:radeon
Provider 1: id: 0x4f cap: 0xf, Source Output, Sink Output, Source Offload, Sink
Offload crtcs: 0 outputs: 0 associated providers: 1 name:radeon

both devices are listed.

xrandr --setprovideroffloadsink 0x4f 0x86
towo:lenovo-nb> DRI_PRIME=1 glxinfo | grep "renderer string"
OpenGL renderer string: Gallium 0.4 on AMD HAINAN

seems to work correct.

DRI_PRIME=1 glxgears

shows only a black window, but the fps are shown in the terminal, i start from.

towo:lenovo-nb> LIBGL_DEBUG=verbose DRI_PRIME=1 glxgears 
libGL: screen 0 does not appear to be DRI3 capable
libGL: pci id for fd 4: 1002:6665, driver radeonsi
libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/tls/radeonsi_dri.so
libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
Running synchronized to the vertical refresh.  The framerate should be
approximately the same as the monitor refresh rate.
8793 frames in 5.0 seconds = 1758.569 FPS

doesn't even give any error, but the windows stayes black.

I use xfce 4.12 and have tryed 3 different compositors, with all i get the same
black window. Resizing the windows does not help (that i read in many bug
reports).
kernel is 4.0.0-rc6, xserver is 1.16.4, mesa is 10.6-git and radeon driver is
7.5.0
There are zero errors in the terminal or logfiles.

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