<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [SKL][Audio][HD-A Display]: Can't detect Display audio codec if not connect HDMI and DP monitor when boot up" href="https://bugs.freedesktop.org/show_bug.cgi?id=89419#c20">Comment # 20</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [SKL][Audio][HD-A Display]: Can't detect Display audio codec if not connect HDMI and DP monitor when boot up" href="https://bugs.freedesktop.org/show_bug.cgi?id=89419">bug 89419</a> from <a class="email" href="mailto:libin.yang@intel.com" title="Libin Yang <libin.yang@intel.com>"> Libin Yang</a> <pre>Hi Jani (In reply to Jani Nikula from <a href="show_bug.cgi?id=89419#c18">comment #18</a>) > (In reply to Imre Deak from <a href="show_bug.cgi?id=89419#c17">comment #17</a>) > > I'm not aware of any other interaction between the gfx and sound driver > > besides what is done via the i915/audio component framework. > > Basically what we do in hsw_audio_codec_enable() should trigger an irq in > the audio driver to, well, whatever it needs to do. It works for HSW/BDW, I > don't see why not for SKL. I didn't spot any changes in the audio > programming sequence in bspec, so my conclusion is that the audio driver > needs to be checked. (And indeed we've already pointed out the powerwell > enabling/disabling missing for SKL.) Yes. The audio driver need the flag. I will add it later. But after adding the flag, the HDMI codec still sometime can't be recognized. Thanks for the clue, I will check whether the audio driver is triggered correctly when hsw_audio_codec_enable() is called.</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>