<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [BAT][SKL] Failed to probe lspcon" href="https://bugs.freedesktop.org/show_bug.cgi?id=98353#c5">Comment # 5</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [BAT][SKL] Failed to probe lspcon" href="https://bugs.freedesktop.org/show_bug.cgi?id=98353">bug 98353</a> from <a class="email" href="mailto:shashank.sharma@intel.com" title="shashank.sharma@intel.com <shashank.sharma@intel.com>"> shashank.sharma@intel.com</a> <pre>Thanks for the logs, Chris. >From the logs: [drm:lspcon_init [i915]] No LSPCON detected, found unknown lspcon layer uses drm_dp_dual_mode implementation to detect if there is a lspcon dongle attached with the port (i2c_over_aux) and once we find a dongle, we try to read lspcon signature to determine if its MCA lspcon. Looks like drm_dp_dual_mode API could not detect a dp_dual_mode dongle, and it returned unknown. So LSPCON detection failed. This could be due to: - Faulty HW/dongle - Invalid FW on dongle - Wrong VBT programming (there is no LSPCON on port B) - Shashank</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>