Re: [PATCH V8 0/7] drm: bridge: samsung-dsim: Support variable clocking

[Lucas Stach]

Am Donnerstag, dem 08.06.2023 um 07:30 -0500 schrieb Adam Ford:
> On Thu, Jun 8, 2023 at 6:40 AM Rasmus Villemoes
> <rasmus.villemoes@xxxxxxxxx> wrote:
> > 
> > 
[...]
> > > Have you tried using modetest to see what refresh rates are available?
> > 
> > Hm. My userspace may be a little weird. When I run modetest I just get
> > 
> > trying to open device 'i915'...failed
> > trying to open device 'amdgpu'...failed
> > ...
> > trying to open device 'imx-dcss'...failed
> > trying to open device 'mxsfb-drm'...failed
> > no device found
> > 
> 
> One the 8MP, I think you need to append "-M imx-lcdif" to the modetest
> command  to specify the driver being used.
> I don't have my 8MP with me right now, but I think that's the right name.

That's correct. Alternatively update libdrm to >= 2.4.114, which knows
to look for this driver in the tests.

Regards,
Lucas