<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - Delay in skl_disable_plane() causes a system freeze" href="https://bugs.freedesktop.org/show_bug.cgi?id=104975#c66">Comment # 66</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - Delay in skl_disable_plane() causes a system freeze" href="https://bugs.freedesktop.org/show_bug.cgi?id=104975">bug 104975</a> from <a class="email" href="mailto:azhar.shaikh@intel.com" title="Azhar <azhar.shaikh@intel.com>"> Azhar</a> <pre>(In reply to Ville Syrjala from <a href="show_bug.cgi?id=104975#c65">comment #65</a>) > Hmm. I wonder if we're still barking up the right tree with the DDB angle. > > I pushed the following hack: > b48dad3fe322 ("hacks: fixed ddb allocation for each plane") > to git://github.com/vsyrjala/linux.git double_buffer_ctl_ddb_wa_hacks > > Would be nice to know whether that fully eliminates the hang. If it doesn't > then we would seem to be on the wrong track. The test has been running for more than 5 hours now, with ONLY the top commit "b48dad3fe322 ("hacks: fixed ddb allocation for each plane")" on linux-stable 4.15.18 branch without IPC support on BXT+. I will keep it running overnight.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>