Date: Sun, 18 Nov 2018 13:16:56 -0500 From: Daniel Eischen <deischen@freebsd.org> To: Johannes Lundberg <johalun0@gmail.com> Cc: x11-list freebsd <freebsd-x11@freebsd.org> Subject: Re: drm-devel-kmod amdgpu Message-ID: <C1ECF137-D3F8-4419-9CFF-73C575248ED2@freebsd.org> In-Reply-To: <CAECmPwvdB7ec26qBOTrDDBcwKDLNonLeodV6z09zBxhp5X7ZiQ@mail.gmail.com> References: <Pine.GSO.4.64.1811171352290.14741@sea.ntplx.net> <CAECmPwvdB7ec26qBOTrDDBcwKDLNonLeodV6z09zBxhp5X7ZiQ@mail.gmail.com>
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> On Nov 18, 2018, at 12:53 PM, Johannes Lundberg <johalun0@gmail.com> wrote= : >=20 >=20 >=20 >> On Sat, Nov 17, 2018 at 7:08 PM Daniel Eischen <deischen@freebsd.org> wro= te: >> Greetings, >>=20 >> I'm trying to get amdgpu to work with my AMD Ryzen 5 2400G (onboard >> graphics). I guess it is Vega 11. >>=20 >> I'm running: >>=20 >> FreeBSD vega 13.0-CURRENT FreeBSD 13.0-CURRENT r340429 vega amd64 >> (my machine name was chosen years ago, long before AMD Vega) >>=20 >> $ pkg info drm-devel-kmod >> drm-devel-kmod-4.16.g20181027_1 >> Name : drm-devel-kmod >> Version : 4.16.g20181027_1 >> Installed on : Sat Nov 10 22:09:05 2018 EST >> ... >>=20 >> I'm using radeonkms=3D"/boot/modules/radeonkms.ko" in /etc/rc.conf >> for now, as it works (mostly, the screen blanks briefly sometimes >> when playing videos or sometimes using firefox, always comes back. >> And VT switching works also). >>=20 >> If I try using amdgpu, the screen will blank permanently, no VT >> switching is possible, or at least no consoles can be shown. >> Making sure that radeonkms is not loaded and X/KDE is not enabled, >> I tried booting single user and manually loading amdgpu, as well >> as letting it load from rc.conf. But a blank screen is all I >> get. >>=20 >> X doesn't seem to detect my monitor when using amdgpu, which >> is probably part of the problem. I've attached both Xorg logs >> from radeonkms and amdgpu, as well as 'pciconf -lv' and >> 'devinfo -rv' output. >>=20 >> I'm booting from a GPT partition, the default FreeBSD ZFS >> installation. >=20 > Hi=20 >=20 > Thanks for the report. >=20 > First, I can't believe that radeonkms does anything, unless you have an ol= der discrete GPU in your machine. In your case it's falling back to VESA acc= ording to Xorg log. Yes, I believe it is using the VESA driver. > Vega is still experimental as of 4.16. According to various online sources= , it seems like we have to wait for 4.18 until Vega can be considered stable= (meaning we won't spend time trying to fix bugs that are not obviously a Fre= eBSD problem). I think we can reach 4.18 before the end of this year.=20 I see reports of the AMD 2400G running fine on the Linux 4.17 kernel. > Until then, your best option is probably booting with UEFI if you can and u= sing the scfb driver. It's much nicer than VESA... If I can find a spare disk, I may try that. -- DE=
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