Re: [Intel-gfx] [PATCH 11/16] drm/i915/bxt: Don't toggle power well 1 on-demand

2016-04-08 Thread Ville Syrjälä
On Fri, Apr 01, 2016 at 04:02:42PM +0300, Imre Deak wrote: > Power well 1 is managed by the DMC firmware so don't toggle it on-demand > from the driver. This means we need to follow the BSpec display > initialization sequence during driver loading and resuming (both system > and runtime) and enable

[Intel-gfx] [PATCH 11/16] drm/i915/bxt: Don't toggle power well 1 on-demand

2016-04-01 Thread Imre Deak
Power well 1 is managed by the DMC firmware so don't toggle it on-demand from the driver. This means we need to follow the BSpec display initialization sequence during driver loading and resuming (both system and runtime) and enable power well 1 only once there. Afterwards DMC will toggle power wel