<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [snb] TearFree now triggers stuck semaphores (due to Eliminate the synchronous wait from inside TearFree)" href="https://bugs.freedesktop.org/show_bug.cgi?id=70764#c10">Comment # 10</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [snb] TearFree now triggers stuck semaphores (due to Eliminate the synchronous wait from inside TearFree)" href="https://bugs.freedesktop.org/show_bug.cgi?id=70764">bug 70764</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>Not intentionally targetting this bug, but since this should affect timing subtly might as well see if it has any impact here: commit 247ebf86a32b518536a11c2f866b2c885bd55d38 Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Date: Tue Oct 22 07:58:03 2013 +0100 sna: Only force the TearFree exchange before a write We can read from the current scanout buffer without incurring a visual tear, so delay the GPU bo exchange until we see a write to the object.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>