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.
Implemented the bspec recommendation:
commit d247cb7d0cdb737 36f31612157e47f 166af68ba0
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.freedeskt op.org/ show_bug. cgi?id= 62373
Signed-off-by: Chris Wilson <email address hidden>
It's worth another go...