[RFC] Deprecation and removal of the drm2 driver

[Steve Kargl]

On Tue, May 22, 2018 at 02:56:55PM -0700, K. Macy wrote:
> >
> >
> > it makes me giggle that people still think non-amd64 is "legacy".
> >
> > i386 is alive and well - new chips are being fabbed based on the 586
> > design with pci-e slots; not to mention things like the Talos and
> > AmigaOne for PowerPC.
> 
> 
> DRM2 doesn't support anything later than mid-Haswell. The chips in
> question all pre-date 2007. Users of low-volume hardware on chips from
> that period are welcome to continue to sustain themselves on the drm2
> port just as the other 95+% of the user base will use what is now
> referred to as drm-next. Even by powerpc maintainers' admission DRM2
> also only barely works there. I've promised Justin that I'll make
> drm-next work on Talos once POWER9 support is solid enough.

% dmesg | CPU
CPU: AMD FX(tm)-8350 Eight-Core Processor            (4018.34-MHz K8-class CPU)
% kldstat
troutmask:sgk[205] kldstat
Id Refs Address            Size     Name
 9    1 0xffffffff8141e000 db148    radeonkms.ko
10    1 0xffffffff814fa000 3f7d0    drm2.ko
11    2 0xffffffff8153a000 acf8     agp.ko
12    1 0xffffffff81545000 12f9     radeonkmsfw_CAICOS_pfp.ko
13    1 0xffffffff81547000 16f7     radeonkmsfw_CAICOS_me.ko
14    1 0xffffffff81549000 d73      radeonkmsfw_BTC_rlc.ko
15    1 0xffffffff8154a000 5f97     radeonkmsfw_CAICOS_mc.ko

Mid-Haswell?

-- 
Steve