On Mon, Sep 25, 2017 at 2:28 PM, Luya Tshimbalanga <luya@xxxxxxxxxxxxxxxxx> wrote: > On 25/09/17 04:51 AM, Kamil Paral wrote: > > On Sun, Sep 24, 2017 at 10:53 AM, Luya Tshimbalanga <luya@xxxxxxxxxxxxxxxxx> > wrote: >> >> Disclaimer: I am not a coder, just a graphic designer looking to improve >> the entire AMD GCN cards from an AMD power laptop. >> After seeing the improvement done on AMD support from the past years, one >> step is missing, enable amdgpu module as default for all GCN cards including >> South Island and Sea Island. >> A Fedora contributor provided a special kernel with these support. It >> will be nice if that was applied on the mainline Fedora kernel to enhance >> AMD hardware for their user. >> >> Taking initiative, I set a draft wiki on >> https://fedoraproject.org/wiki/User:Luya/Changes/amdgpu_default_for_GCN_cards >> >> Idea was inspired by this comment: >> https://www.phoronix.com/forums/forum/phoronix/latest-phoronix-articles/978664-nouveau-developers-remain-blocked-by-nvidia-from-advancing-open-source-driver?p=978746#post978746 >> >> P.S: OpenCL was in considering with the ROCm project but that is another >> story. >> >> Luya > > > Hi, I belive there are known issues when using amdgpu kernel driver with > older GCN cards. Both performance wise and feature wise. You should best > talk to Fedora kernel graphics team about this - I believe Dave Airlie and > Adam Jackson are the right contact people here. > > Thanks Kamil. Is fedora-kernel mailing list the right channel of contact? > > Also, is this something that should be configured on distro level? I'd > assume that AMD kernel developers could switch the older cards to amdgpu by > default any time they wanted, once they consider the support good enough. > That's why it is currently hidden behind an experiemental kernel cmdline > switch. I'm not clear whether distribution level override is in order there. > > So far, Sea Island cards are enabled by default from kernel 4.13.x while > only the old GCN cards (South Island) are the last to remain experimental. > Fortunately, the latter is improving quicker. Distribution override has been > done before in the past to gather data for fixing issues (kdbus came in > mind). After all, Fedora is about pushing new and improved technologies > hence test days. I would phrase that last part as "Fedora makes it easier for people to work on new and improved technologies". We don't randomly experiment without people lined up to help drive the work. josh _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
