<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - miss detect monitor. dell UP3214Q" href="https://bugs.freedesktop.org/show_bug.cgi?id=97220#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - miss detect monitor. dell UP3214Q" href="https://bugs.freedesktop.org/show_bug.cgi?id=97220">bug 97220</a> from <a class="email" href="mailto:pmenzel+bugs.freedesktop@molgen.mpg.de" title="Paul Menzel <pmenzel+bugs.freedesktop@molgen.mpg.de>"> Paul Menzel</a> <pre>(In reply to kenneth johansson from <a href="show_bug.cgi?id=97220#c6">comment #6</a>) > I have no idea what a tiled display is. I believe it means, that there are actually two panels. > If I use the Intel display port I get or more correctly used to get two > displays that I could then combine with xrandr into one larger. Now the > kernel driver presents just the combined one directly no need to manually do > anything. I have the same monitor. With Linux 4.17 and 4.18 at least GDM 3.28 and 3.30 are correctly displayed over the full screen. Could you please retest? PS: The monitor, unfortunately, only gives problems with the free drivers (Intel and AMDGPU) and firmware (UEFI of MSI B350M MORTAR (MS-7A37)). I believe it’s the monitor firmware, but my colleagues say, they do *not* have any problems with the proprietary Nvidia drivers and Microsoft Windows. So, it’s either a bug in the free drivers, or the proprietary drivers work around it somehow. Here are my bug reports for that. I do not know if these are specific drivers bugs or in the generic DRM code. [1]: <a class="bz_bug_link bz_status_NEW " title="NEW - Problems with MST display (REG_WAIT takes a while or times out)" href="show_bug.cgi?id=107607">https://bugs.freedesktop.org/show_bug.cgi?id=107607</a> [2]: <a class="bz_bug_link bz_status_NEW " title="NEW - Problems with (tiled) MST display (Dell UP3214Q)" href="show_bug.cgi?id=107845">https://bugs.freedesktop.org/show_bug.cgi?id=107845</a></pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>