This patch adds PSR Support to Baytrail.
Baytrail cannot easily detect screen updates and force PSR exit.
So we inactivate it on {busy_ioctl, set_domain, sw_finish and mark_busy
and update to enable it back on next display mark_idle.
v2: Also inactivate PSR on cursor update.
v3: Inactivate PSR on
This patch adds PSR Support to Baytrail.
Baytrail cannot easily detect screen updates and force PSR exit.
So we inactivate it on {busy_ioctl, set_domain, sw_finish and mark_busy
and update to enable it back on next display mark_idle.
v2: Also inactivate PSR on cursor update.
v3: Inactivate PSR on