<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - DP audio does not work with Thinkpad Ultra Dock and DP-to-HDMI converter" href="https://bugs.freedesktop.org/show_bug.cgi?id=103786#c28">Comment # 28</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - DP audio does not work with Thinkpad Ultra Dock and DP-to-HDMI converter" href="https://bugs.freedesktop.org/show_bug.cgi?id=103786">bug 103786</a> from <a class="email" href="mailto:jan@3e8.eu" title="Jan Hoffmann <jan@3e8.eu>"> Jan Hoffmann</a> <pre>(In reply to Jani Nikula from <a href="show_bug.cgi?id=103786#c25">comment #25</a>) > One possibility: The DP-HDMI converter PS176 requires manually setting the > AVI infoframes using DP AUX. This is what we do for the on-board LSPCON > chips; see commits 799a964ffe0b ("drm/i915: Write AVI infoframes for Parade > LSPCON") and 7cbf19fd54ff ("drm/i915: Write AVI infoframes for MCA LSPCON"). If that is the case, should the issue also exist when using the DP port on the laptop? Audio works when the adapter is connected directly to the laptop (and has worked before these commits). The issue only exists when using the docking station DP port.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>