Comment 37 for bug 1176647

Revision history for this message
In , Chris Wilson (ickle) wrote :

Implemented the bspec recommendation:

commit d247cb7d0cdb73736f31612157e47f166af68ba0
Author: Chris Wilson <email address hidden>
Date: Mon Dec 8 10:07:25 2014 +0000

    sna/gen6: Poke PSMI control around WAIT_FOR_EVENT to prevent idling

    The bspec recommends preventing the hardware from going to sleep around
    a WAIT_FOR_EVENT, and tells us to use disable sleep bit in PSMI control
    to accomplish this.

    References: https://bugs.freedesktop.org/show_bug.cgi?id=62373
    Signed-off-by: Chris Wilson <email address hidden>

It's worth another go...