<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#c18">Comment # 18</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:luis.botello.ortega@intel.com" title="Luis Botello <luis.botello.ortega@intel.com>"> Luis Botello</a> <pre>(In reply to Ander Conselvan de Oliveira from <a href="show_bug.cgi?id=100440#c17">comment #17</a>) > (In reply to Luis Botello from <a href="show_bug.cgi?id=100440#c16">comment #16</a>) > > Issue is not seen anymore with that patch series. But display is showing no > > image while running ./testdisplay -a and it goes into the following > > resolution: > > > > CRTC(36):[7] 2560x1440 60 2560 2608 2640 2720 1440 1443 1448 1481 0x9 0x40 > > 241500 > > > > Is there some way to force it or to set a higher timeout between each > > resolution? > > $ ./testdisplay -h > usage: ./testdisplay [-hiasdpmtf] > ... > -s <duration> sleep between each mode test 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.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>