Hi Jörg-Volker and Felix, appreciate your help! Here is the complete output for: sudo dpkg -i amdgpu-core_19.30-934563_all.deb amdgpu-dkms_19.30-934563_all.deb https://pastebin.com/kadr0nyH
My sources list is (apart from docker, and skype repos): deb http://deb.debian.org/debian/ unstable main non-free contrib deb-src http://deb.debian.org/debian/ unstable main non-free contrib I did not install that kernel manually, just what I get by "apt dist-upgrade" And I can confirm that the file exists on my system: ls /usr/src/linux-headers-5.4.0-4-common/include/drm/drmP.h /usr/src/linux-headers-5.4.0-4-common/include/drm/drmP.h @Felix, yes, for firmware-amd-graphics apt says it is the newest version: 20190717-2 On Sun, 12 Apr 2020 at 17:23, Jörg-Volker Peetz <jvpe...@web.de> wrote: > > >From which repository did you get your kernel? > In case of a missing file I consult https://packages.debian.org/ "Search the > contents of packages". There is also the package apt-file. > The package linux-headers-5.4.0-4-common from bullseye contains a file > /usr/src/linux-headers-5.4.0-4-common/include/drm/drmP.h > > I don't have access to that GPU or experience with Radeon 520 Mobile. > According to https://linux-hardware.org/index.php?id=pci%3A1002-6660-103c-8331 > it should be supported by Linux kernel 5.4. > > Regards, > Jörg. >
