On Mon Apr 3, 2023 at 5:08 PM CEST, Frank Oltmanns wrote: > > On 2023-04-03 at 15:52:36 +0200, "Roman Beranek" <me@xxxxxxx> wrote: > > As little a change as setting .clock in the default mode of PP's panel > > to 73500 can fix it. Better yet, dropping pll-video0-2x from the set > > of acceptable parents for tcon0 fixes it universally. And that's what > > megi's kernel does, though the measure was introduced with a different > > rationale: > > <https://github.com/megous/linux/commit/7374d5756aa0cc3f11e494e3cbc54f6c7c01e1a8> > > For sake of completeness, the patch you referenced builds on this patch: > https://github.com/megous/linux/commit/45e0aa8d9e34 > > Are you saying that your other boards and panels work without these > patches? Yes, that was a bit of an oversight on my side as I wrote drivers for both panels already with the intention of them being used besides an HDMI output in mind, so I've deliberately picked a timing in each case such that the dotclock lines up nicely with pll-video0 at 297 MHz. All the best Roman Beranek
