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