<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [GLK] [IGT] testdisplay -a shows corruption on HDMI 4k display" href="https://bugs.freedesktop.org/show_bug.cgi?id=100440#c20">Comment # 20</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [GLK] [IGT] testdisplay -a shows corruption on HDMI 4k display" href="https://bugs.freedesktop.org/show_bug.cgi?id=100440">bug 100440</a> from <a class="email" href="mailto:conselvan2@gmail.com" title="Ander Conselvan de Oliveira <conselvan2@gmail.com>"> Ander Conselvan de Oliveira</a> <pre>(In reply to Luis Botello from <a href="show_bug.cgi?id=100440#c18">comment #18</a>) > After testing testdisplay on HDMI I am getting "No Signal" on HDMI screen > while test sets CRTC(36):[7] 2560x1440 60 2560 2608 2640 2720 1440 1443 > 1448 1481 0x9 0x40. > > Also as additional info I am getting extra low performance while 3840x2160 > resolution is set on HDMI, and no signal if 2560x1440 resolution is set in > UI. These are different issues, so I went ahead and pushed the patch for the corruption one. commit 46649d8b6cb876e4f823e741d39959cf6e231e85 Author: Ander Conselvan de Oliveira <<a href="mailto:ander.conselvan.de.oliveira@intel.com">ander.conselvan.de.oliveira@intel.com</a>> Date: Mon Apr 24 13:47:18 2017 +0300 drm/i915/glk: Don't allow 12 bpc when htotal is too big</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 QA Contact for the bug.</li> </ul> </body> </html>