Date: Fri, 29 Jan 2021 16:13:33 +0300 From: Greg V <greg@unrelenting.technology> To: Scott Bennett <bennett@sdf.org> Cc: imp@bsdimp.com, freebsd-x11@freebsd.org Subject: Re: loading drm crashes system Message-ID: <L26PNQ.2P0RZEKYBTEV@unrelenting.technology> In-Reply-To: <202101290027.10T0RPxO004392@sdf.org> References: <24590.137.690675.515036@jerusalem.litteratus.org> <202101251816.10PIGVkF005233@sdf.org> <CANCZdfp0vU8NnQ9OPrdE8v74CbNP2f%2BJ-yjvNo6Hf_-WMPGr9g@mail.gmail.com> <202101290027.10T0RPxO004392@sdf.org>
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On Thu, Jan 28, 2021 at 18:27, Scott Bennett via freebsd-x11 <freebsd-x11@freebsd.org> wrote: > d) which Radeon cards are no longer supported and which are still > supported? > > That last one is important to those of us despairing of ever > having working, > safe-to-use graphics support again in FreeBSD on their systems. If > what was > working before has been broken without warning (or, apparently, > concern on the > part of the graphics team) and is likely never to work again in the > future, then > what should we look to obtain as replacement hardware that is 1) not > too new to > work, 2) not too old to work, 3) not too costly for our budgets, and > 4) likely > to continue to work long enough to justify the cost before it, too, > gets broken > permanently and without warning? We users need some information, > some guidelines. It is pretty well known that amdgpu is in a much better shape than legacy radeon. So the answer is kinda obvious and has been floating around on mailing lists and chat rooms for a long time: AMD GCN architecture cards are actually well supported, while pre-GCN relics (TeraScale/R600 and older) are "best effort" hopefully-supported-but-have-a-debugger-ready. Polaris (RX 460/470/480/550/560/570/580/590) and Vega (56/64/FE/VII) are the two recent generations that got particularly popular, many many people actually use them heavily, they are 100% the best choice currently. But I would expect earlier GCN chips (Tahiti, Bonaire, Tonga, Pitcairn, Hawaii, Fiji, etc.) to work about as well generally, I don't remember a single model-specific complaint from users of these generations. As for what's too new: - currently "Big Navi" (RX 6800/XT/6900) is really 100% too new, we'll have to jump from 5.4-5.5 to >5.10. I would like to get one of those eventually, when the market becomes less ridiculous. - Renoir APUs (Ryzen 4xxx integrated graphics) are too new for the current stable drm 5.4, they do work on my 5.5-wip-amd-pr branch though https://github.com/freebsd/drm-kmod/pull/45#issuecomment-757333394 \o/ - Navi 1 (RX 5500/5600/5700) I think just works on the default current versions of everything?? Or maybe sort of requires https://github.com/freebsd/drm-kmod/pull/45 ? Several people use it already just fine.
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