Debian amdgpu driver - llvm 7 and rebuilding mesa

[Nord1ing]

Hello,

For some reason in my Debian 9 installation OpenGL configuration is wrong. On Ryzen 3400G (bar metal, not a VM), instead of AMD device, VMware is used, glx info | grep OpenGL output:

glxinfo | grep OpenGL: OpenGL vendor string: VMware, Inc.
OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.9, 128 bits)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 13.0.6
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 13.0.6
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 13.0.6
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:

lspci | grep VGA:
 

03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 15d8 (rev c8)

lspci -k | grep -EA3 'VGA|3D|Display' report:

03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 15d8 (rev c8)
    Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Device 15d8
03:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device 15de
    Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Device 15de

 

 

But Xserver use the wrong one:

glxinfo | grep -i vendor
 

server glx vendor string: SGI
client glx vendor string: Mesa Project and SGI
    Vendor: VMware, Inc. (0xffffffff)
OpenGL vendor string: VMware, Inc.

And if i place a config file into /etc/X1/xorg.conf.d

with code below, display-manager fail to start. o.o

Section "Device"
	Identifier "My GPU"
	Driver "amd"
Subsection "Display"
        Virtual 1920 1080
Endsubsection
EndSection

Thank you for any ideas.

Edited November 21, 2019 by Nord1ing
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