<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [BISECTED] EDID read failure breaks display mirroring" href="https://bugs.freedesktop.org/show_bug.cgi?id=107390#c6">Comment # 6</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [BISECTED] EDID read failure breaks display mirroring" href="https://bugs.freedesktop.org/show_bug.cgi?id=107390">bug 107390</a> from <a class="email" href="mailto:junaru@gmail.com" title="Justinas Narusevicius <junaru@gmail.com>"> Justinas Narusevicius</a> <pre>Hey Alex, Yes ac916c914c3156e53505e9ea3a9d1495518bf873 was found by bisecting mainline kernel between tags of v4.16 (0adb32858b0bddf4ada5f364a84ed60b196dbcda good) and v4.17-rc1 (60cc43fc888428bb2f18f08997432d426a243338 bad) I can confirm that reverting ac916c914c3156e53505e9ea3a9d1495518bf873 via the attached patch on current mainline kernel HEAD (<a href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cd3f77d74ac31b4627cdfa70812338076a1ea475">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cd3f77d74ac31b4627cdfa70812338076a1ea475</a>) fixes all three issues. * Mirroring is available once again. * Extended desktop mode can now use all the resolutions up to and including 4K. * There's no 3rd erroneous display on HDMI-A-2 anymore. Should i test this against <a href="https://cgit.freedesktop.org/~agd5f/linux/log/?h=amd-staging-drm-next">https://cgit.freedesktop.org/~agd5f/linux/log/?h=amd-staging-drm-next</a> or any other specific branch?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>