Using drm-next in 11.2

[CL Moonriver]

Well, I have one other suggestion, but this is just completely
guesswork on my part. However, I ran into a problem where the "amdgpu"
module did not work, though I can't remember the exact error messages I
got.

You mentioned you had the ATI driver installed in X. Given that, are
you sure amdgpu is the right module you need in kld_list? Are you
sure it's not radeonkms? 

Again. that's what nailed me the first time. I DO have an AMD GPU (A10
series). But it uses Radeon R7 graphics. So despite the fact that my
GPU is build into the processor, I needed the radeonkms driver, not
the amdgpu driver.

On Tue, 11 Sep 2018 17:22:24 +0100
Pete French <petefrench at ingresso.co.uk> wrote:

> I dont have any other drm ports installed though - I think te clash
> is with the ones which are part of the standard kernel build maybe ? 
> Possibly I could try building a custom kernel without them, but first
> am going to go susbscribe to x11 amiling list and see what they say.
> 
> -pete.
> 
> On 11/09/2018 16:29, CL Moonriver wrote:
> > I agree it sounds like a clash with older modules. Did you have
> > drm-stable-kmod installed or drm-legacy-kmod installed? If so, make
> > sure you remove them before. Sounds to me like what is probably
> > happening is you have modules from two different drm ports
> > installed. So I'd try a make deinstall inside drm-stable-kmod and
> > drm-legacy-kmod directories and see if that fixes anything.
> > 
> > On Tue, 11 Sep 2018 13:50:24 +0100
> > Pete French <petefrench at ingresso.co.uk> wrote:
> >   
> >> So, I was trying to switch to using this, as I realise its where
> >> things are heading, and I rather like the look of it. But I cant
> >> get it to see my multiple monitors. I install the port, set
> >> 'kld_list="amdgpu"' and it boots up with the new modules, and
> >> appears to find all my displays in dmesg. But when I start X it
> >> only uses the single display port, mirroring it to DVI.
> >>
> >>
> >> When I start X what I am seeing in dmesg is this:
> >>
> >> module_register: cannot register drmn from drm2.ko; already loaded
> >> from drm.ko Module drmn failed to register: 17
> >> KLD radeonkms.ko: depends on drmn - not available or version
> >> mismatch linker_load_file: Unsupported file type
> >>
> >> Which make me think theres some clash with the old modules and
> >> thats why its not working properly. Also xrandr only lists a
> >> single screen, as default, unlike the list I get using the old
> >> drm, which lists all the outpus correctly.
> >>
> >> Anyone got any advice, or can point me to the coorrect place for
> >> this ?
> >>
> >> cheers,
> >>
> >> -pete.
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