> On August 21, 2018 at 10:09 AM Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > > > Hi Ulrich, > > On Tuesday, 21 August 2018 11:03:45 EEST Ulrich Hecht wrote: > > On August 20, 2018 at 11:28 AM Laurent Pinchart wrote: > > > On Tuesday, 14 August 2018 16:49:59 EEST Ulrich Hecht wrote: > > >> From: Koji Matsuoka <koji.matsuoka.xm@xxxxxxxxxxx> > > >> > > >> This patch adds the option to specify a maximal clock and a minimal > > >> vertical refresh rate. > > > > > > What is this needed for ? > > > > Somewhere in the chain there is a component that will not tolerate clocks in > > excess of 135 MHz; if you don't limit it, the default for a 1920x1200 > > display is somewhere along 148 MHz, and the HDMI signal output is invalid. > > Do you know which component that is ? Unfortunately not. It's not the ADV7511, though, that goes up to 225 MHz... CU Uli
