On Tue, Mar 13, 2018 at 08:46:56PM +, Souza, Jose wrote:
> On Mon, 2018-03-12 at 20:46 -0700, Dhinakaran Pandiyan wrote:
> > HSW and BDW have SRD_AUX_{CTL, STATUS} registers that the driver
> > needs to
> > setup for the HW to use whenever exiting PSR. SKL+ hardware use
> > hardcoded
> >
On Mon, 2018-03-12 at 20:46 -0700, Dhinakaran Pandiyan wrote:
> HSW and BDW have SRD_AUX_{CTL, STATUS} registers that the driver
> needs to
> setup for the HW to use whenever exiting PSR. SKL+ hardware use
> hardcoded
> values for the same and do not need any registers to be setup. So,
> use
>
HSW and BDW have SRD_AUX_{CTL, STATUS} registers that the driver needs to
setup for the HW to use whenever exiting PSR. SKL+ hardware use hardcoded
values for the same and do not need any registers to be setup. So, use
drm_dp_dpcd_writeb() for a one-time write during PSR enable and setup the
PSR
