Re: [Intel-gfx] [PATCH 12/18] drm/i915/hsw+: Unify the hsw/bdw and gen9+ power well req/state macros

[Arkadiusz Hiler]

On Thu, Jul 06, 2017 at 05:40:34PM +0300, Imre Deak wrote:
> Although on HSW/BDW there is only a single display global power well,
> it's programmed the same way as other GEN9+ power wells. This also
> means we can get at the HSW/BDW request and status flags the same way
> it's done on GEN9+ by assigning the corresponding HSW/BDW power well ID.
> This ID was assigned in a recent patch, so we can now switch to using
> the same macros everywhere on HSW+.
> 
> Updating the HSW power well control register with RMW is not strictly
> necessary, but this will allow us to use the same code for GEN9+.
> 
> Signed-off-by: Imre Deak <imre.d...@intel.com>
Reviewed-by: Arkadiusz Hiler <arkadiusz.hi...@intel.com>
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