Date: Wed, 30 Dec 2020 15:41:39 +0100 From: Michael Schuster <michaelsprivate@gmail.com> To: Vasily Postnicov <shamaz.mazum@gmail.com> Cc: Oskar Sharipov <oskarsh@riseup.net>, freeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: graphics on amd radeon vega Message-ID: <CADqw_gJkvgbkCN2=4fC0eG6JHUvGuR90RMhQXbAsKiXtoC%2BGXQ@mail.gmail.com> In-Reply-To: <CADnZ6BkmYXaW3E6c=8XsgvkgSBeZxnJyEsxAf43Py00Opw%2BSkg@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> <CADnZ6BkmYXaW3E6c=8XsgvkgSBeZxnJyEsxAf43Py00Opw%2BSkg@mail.gmail.com>
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On Wed, Dec 30, 2020 at 2:54 PM Vasily Postnicov <shamaz.mazum@gmail.com> wrote: > 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) > will do, many thanks! Michael > > =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 Schust= er <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 experiment= al >>>> 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' >> > --=20 Michael Schuster http://recursiveramblings.wordpress.com/ recursion, n: see 'recursion'
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