Date: Sat, 21 Sep 2024 13:25:33 +0200 From: Emmanuel Vadot <manu@bidouilliste.com> To: Klaus =?ISO-8859-1?Q?K=FCchemann?= <maciphone2@googlemail.com> Cc: freebsd-arm@freebsd.org Subject: Re: Rockchip RK3328 Rock64 HDMI Message-ID: <20240921132533.8b8cf0229a38275128ef0ccc@bidouilliste.com> In-Reply-To: <4F94C5BF-B5D8-4EA0-8B4E-695BBC28D693@googlemail.com> References: <5kADboXE-OUia2ncm13XjDesvDmjB3tjWSyr3ytCpa5XYof9xOrL9AbRownQoRG9eJcJpYswqjbMt0P0XiZfs7KNNfiNF7vQ93m72mm_Fyk=@protonmail.com> <4F94C5BF-B5D8-4EA0-8B4E-695BBC28D693@googlemail.com>
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Hi Klaus, On Sat, 21 Sep 2024 01:06:21 +0200 Klaus K=FCchemann <maciphone2@googlemail.com> wrote: > First time since years I switched the dusty Rock64 on :-) > yes, you?re right, still not fixed : > dmesg: > .. > clknode_link_recalc: Attempt to use unresolved linked clock: hdmi_phy > Cannot get frequency for clk: hdmi_phy, error: 9 > ? > So you can file a bug report to: https://bugs.freebsd.org <https://bugs.f= reebsd.org/> > You can attach dmesg there (or what I would prefer: send dmesg to https:= //dmesgd.nycbug.org<https://dmesgd.nycbug.org/>) This isn't a bug, the hdmi_phy clock is supposed to be exported by the hdmi-phy driver (see the hdmiphy: phy@ff430000 in the DTS), since we don't have a driver for this, it's not exported and we warn about this. > I guess you don`t want to port any linux drivers at first attempt :-) but= instead fix the issue=20 > to get the framebuffer driver working( with it`s restrictions e.g. no 4K) >=20 > Regards > K. Cheers, >=20 > > Am 20.09.2024 um 19:22 schrieb Christoph Pfaller <pfaller@protonmail.co= m>: > >=20 > > Hello! > >=20 > > I recently switched to FreeBSD on my Rock64 due to appearing kernel pan= ics when running the board with Linux. So far I enjoy the operating system.= However; there is one little annoyance - the integrated HDMI output does n= ot work. So I want to change that. > >=20 > > As we are on ARM my first intention was looking into the device tree fo= r the rk3328. I compared it to Linux device tree and also found some missin= g parts. My next step was looking into the drivers itself and as the Linux = drivers sources are available here https://github.com/torvalds/linux/tree/m= aster/drivers/gpu/drm/rockchip I got some idea how the corresponding driver= should look like. > >=20 > > However, I am unsure how I should proceed getting HDMI to work. Accodri= ng to https://wiki.freebsd.org/arm/RockChip HDMI works for the rockchip rk3= 399 but I could not find any drivers neither in the freebsd-src or drm-kmo= d (I am new to FreeBSD so i don't know if this is even the right place to l= ook for). I hope someone with more technical knowledge about FreeBSD or HDM= I can provide me with some guidance on where I have to look and work on. > >=20 > > Greetings > > pf0 > >=20 > >=20 >=20 >=20 --=20 Emmanuel Vadot <manu@bidouilliste.com> <manu@freebsd.org>
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