> On August 20, 2018 at 11:28 AM Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > > > Hi Ulrich, > > Thank you for the patch. > > 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. CU Uli
