DRI_PRIME=1 doesn't work

[Kreyren]

kreyren@leonid:~$ DRI_PRIME=1 glxinfo | grep "OpenGL renderer"
OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 3000 (SNB GT2)
# List providers
kreyren@leonid:~$ xrandr --listproviders 
Providers: number : 1
Provider 0: id: 0x45 cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 2 outputs: 4 associated providers: 0 name:modesetting
# Radeon module is loaded
kreyren@leonid:~$ lsmod | grep ^radeon
radeon               1679360  0
# firmware-amd-graphics is installed
kreyren@leonid:~$ apt list --installed firmware-amd-graphics
Listing... Done
firmware-amd-graphics/testing,testing,now 20190717-2 all [installed]
# cmdline
kreyren@leonid:~$ cat /proc/cmdline 
audit=0 intel_pstate=disable  BOOT_IMAGE=/boot/vmlinuz-5.6.0-18.1-liquorix-amd64 root=UUID=c7a3b47d-32dc-4df6-b676-e2320ea3cb3b ro quiet radeon.si_support=1 radeon.cik_support=1 selinux=0
# hw-info
kreyren@leonid:~$ neofetch --stdout
OS: Kreyrock Linux 9999 Anubis x86_64 
Host: 20089 Lenovo G770 
Kernel: 5.6.0-18.1-liquorix-amd64 
Uptime: 53 mins 
Packages: 1057 (dpkg), 227 (cave), 7 (flatpak) 
Shell: /bedrock/cross/bin/bash 5.0.16 
Resolution: 1280x720 @ 60.00Hz 
WM: Xfwm4 
WM Theme: Default 
Theme: Adwaita [GTK3] 
Icons: Adwaita [GTK3] 
Font: Cantarell 11 [GTK3] 
Terminal: xfce4-terminal 
Terminal Font: Monospace 12 
CPU: Intel i7-2620M (4) @ 2.701GHz [64.0°C] 
GPU: AMD ATI Radeon HD 6630M/6650M/6750M/7670M/7690M 
GPU: Intel 2nd Generation Core Processor Family 
GPU Driver: i915 
Memory: 2482MiB / 7907MiB (31%) 

[Kreyren]

Fixed by installing liquorix packages