<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - blank screen at 4k@60Hz DP 1.2" href="https://bugs.freedesktop.org/show_bug.cgi?id=93980#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - blank screen at 4k@60Hz DP 1.2" href="https://bugs.freedesktop.org/show_bug.cgi?id=93980">bug 93980</a> from <a class="email" href="mailto:alinm.elena@gmail.com" title="Alin M Elena <alinm.elena@gmail.com>"> Alin M Elena</a> <pre>Thanks for the update! So for the moment I shall keep and eye open. Alin On Thursday, 4 February 2016 17:13:53 GMT you wrote: > <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - blank screen at 4k@60Hz DP 1.2" href="show_bug.cgi?id=93980">https://bugs.freedesktop.org/show_bug.cgi?id=93980</a> > > --- <a href="show_bug.cgi?id=93980#c6">Comment #6</a> from Ville Syrjala <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>> --- > (In reply to Alin M Elena from <a href="show_bug.cgi?id=93980#c5">comment #5</a>) > > > Current CD clock frequency: 450000 kHz > > Yep, that's too low for you 4k@60 mode. We'd need to bump to 540 MHz at > least. Unfortunately we don't support dynamic cdclk change on SKL yet. > There are some patches in flight somewhere to get it done, but last time I > looked it still needed more work. In the meantime we should really change > things to report the current cdclk as the max cdclk when we don't actually > support changing the cdclk, and we need to merge these [1] patches to > filter out modes we can't drive. > > [1] <a href="http://patchwork.freedesktop.org/series/3009/">http://patchwork.freedesktop.org/series/3009/</a></pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>