Re: drm/komeda: SW workaround for D71 doesn't flush shadow registers

2019-09-27 Thread james qian wang (Arm Technology China)
On Fri, Sep 06, 2019 at 07:18:06AM +, Lowry Li (Arm Technology China) wrote: > This is a SW workaround for shadow un-flushed when together with the > DOU Timing-disable. > > D71 HW doesn't update shadow registers when display output is turned > off. So when we disable all pipeline components t

[PATCH] drm/komeda: SW workaround for D71 doesn't flush shadow registers

2019-09-06 Thread Lowry Li (Arm Technology China)
This is a SW workaround for shadow un-flushed when together with the DOU Timing-disable. D71 HW doesn't update shadow registers when display output is turned off. So when we disable all pipeline components together with display output disabling by one flush or one operation, the disable operation