Date: Wed, 30 Dec 2020 16:54:07 +0300 From: Vasily Postnicov <shamaz.mazum@gmail.com> To: Michael Schuster <michaelsprivate@gmail.com> Cc: Oskar Sharipov <oskarsh@riseup.net>, freeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: graphics on amd radeon vega Message-ID: <CADnZ6BkmYXaW3E6c=8XsgvkgSBeZxnJyEsxAf43Py00Opw%2BSkg@mail.gmail.com> In-Reply-To: <CADqw_gLNVRsbzzd0ME7yUf_kSTwqpf0LFKF9TKD69RZrc1feoQ@mail.gmail.com> References: <X%2BsnT05Xed2y8QP%2B@piggy> <CADnZ6BmO5eaTYBDLkCcEG8esySTbgijSEWagDJtDt=pf4=vqog@mail.gmail.com> <X%2Bsu%2Bn/%2BqHLrMyY9@piggy> <CADqw_gKFYTG1sif6co8xUVJHkhMKMO5jScN%2BoPSmac9oGungvQ@mail.gmail.com> <CADnZ6Bmi_6E%2B4mTrJcOmr5M1UQa22=CU2Vgaiqd4kKWWz1EajA@mail.gmail.com> <X%2Bs%2Bhy2f32dgGT9V@piggy> <CADqw_gKV0k7RG-H57mSpGCLZAYOAOueiH3mZ124GUjcaMwHMzA@mail.gmail.com> <CADnZ6Bn_FSFhZdLc7rqTpHtW4OmJKikFNLWDB4j9RzHE3OgXtA@mail.gmail.com> <CADqw_gLNVRsbzzd0ME7yUf_kSTwqpf0LFKF9TKD69RZrc1feoQ@mail.gmail.com>
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Cannot say for sure where you need to place that. Its either /boot/loader.conf or /etc/sysctl.conf The second sets sysctls later in the boot process. And it can not set tunables, of course. I suggest you figure it yourself) =D1=81=D1=80, 30 =D0=B4=D0=B5=D0=BA. 2020 =D0=B3., 16:25 Michael Schuster <= michaelsprivate@gmail.com>: > > > On Wed, Dec 30, 2020 at 2:01 PM Vasily Postnicov <shamaz.mazum@gmail.com> > wrote: > >> Does sysctl -a | grep exp_hw_support show anything? >> > > indeed it does: > $ sysctl -a | grep exp_hw_support > hw.amdgpu.exp_hw_support: 0 > compat.linuxkpi.amdgpu_exp_hw_support: 0 > $ > >> Usual way to tweak kernel parameters is via sysctl. >> > > from looking at other settings, I would guess I need to put this in > /boot/loader.conf to make this persistent across reboot ... correct? > (again, sorry if that's an FAQ - feel free to point me to documentation > about this) > >> But this is linux stuff so it can be anything else. >> >> If sysctl does not help, you can recompile the whole driver changing >> int amdgpu_exp_hw_support =3D 0; >> to >> int amdgpu_exp_hw_support =3D 1; >> in drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c >> > > I already found that, though I wanted to keep that as a very last resort > :-) > > thx > Michael > >> >> =D1=81=D1=80, 30 =D0=B4=D0=B5=D0=BA. 2020 =D0=B3., 15:17 Michael Schuste= r <michaelsprivate@gmail.com>: >> >>> On Tue, Dec 29, 2020 at 3:35 PM Oskar Sharipov <oskarsh@riseup.net> >>> wrote: >>> >>> > On Tue, Dec 29, 2020 at 05:04:38PM +0300, Vasily Postnicov wrote: >>> > > 13-CURRENT supports that chip. See >>> > > >>> > >>> https://github.com/freebsd/drm-kmod/blob/drm_v5.4.62_4/drivers/gpu/drm/= amd/amdgpu/amdgpu_drv.c >>> > > >>> > > > {0x1002, 0x15d8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, >>> CHIP_RAVEN|AMD_IS_APU} >>> > >>> > Oh, wow. Then I will consider could I try CURRENT now or wait >>> > until it released. Thank you! >>> > >>> >>> when I Install this version on current as of today, I see this in >>> /var/log/messages: >>> >>> Dec 30 13:11:56 hbeast kernel: [drm] amdgpu kernel modesetting enabled. >>> Dec 30 13:11:56 hbeast kernel: drmn0: <drmn> on vgapci0 >>> Dec 30 13:11:56 hbeast kernel: [drm] This hardware requires experimenta= l >>> hardware support. >>> Dec 30 13:11:56 hbeast kernel: See modparam exp_hw_support >>> Dec 30 13:11:56 hbeast kernel: device_attach: drmn0 attach returned 19 >>> sorry if this is an FAQ, but I couldn't find an answer: how do I >>> enable/modify "modparam exp_hw_support"? >>> >>> thx >>> Michael >>> >>> -- >>> Michael Schuster >>> http://recursiveramblings.wordpress.com/ >>> recursion, n: see 'recursion' >>> _______________________________________________ >>> freebsd-questions@freebsd.org mailing list >>> https://lists.freebsd.org/mailman/listinfo/freebsd-questions >>> To unsubscribe, send any mail to " >>> freebsd-questions-unsubscribe@freebsd.org" >>> >> > > -- > Michael Schuster > http://recursiveramblings.wordpress.com/ > recursion, n: see 'recursion' >
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