Re: Can't get my Debian laptop to use my Radeon 520 Mobile graphics card
>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.
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