On Tue, Feb 5, 2019 at 7:42 AM Maxime Ripard <maxime.ripard@xxxxxxxxxxx> wrote: > > On Mon, Feb 04, 2019 at 10:50:17AM -0800, Vasily Khoruzhick wrote: > > On Mon, Feb 4, 2019 at 8:29 AM Icenowy Zheng <icenowy@xxxxxxx> wrote: > > > >> IIRC, from the previous discussion, HDMI had a tolerancy requirement > > > >> in the standard. Do you know if there's such a thing for eDP? That > > > >> would solve the issue for all the eDP displays at once. > > > > > > > >I don't have access to eDP standard - vesa.org says it's available to > > > >members only. > > > > > > Try out to grab an old version? > > > > > > I remember 1.0 is open. > > > > I can't find anything regarding dot clock tolerance in DisplayPort > > specification. > > I guess since the DP is a VESA spec, it's probably .5%, just like on > the EDID (well, CVT). Unfortunately that's not enough for Pinebook. It needs 1% for 768p panel. > > Maxime > > -- > Maxime Ripard, Bootlin > Embedded Linux and Kernel engineering > https://bootlin.com