[Intel-gfx] [PATCH 6/8] drm/i915/skl: Turn DC handling into a power well

2015-11-03 Thread Patrik Jakobsson
Handle DC off as a power well where enabling the power well will prevent the DMC to enter selected DC states (required around modesets and Aux A). Disabling the power well will allow DC states again. For now the highest DC state is DC6 but will be configurable in a later patch. Signed-off-by: Patr

Re: [Intel-gfx] [PATCH 6/8] drm/i915/skl: Turn DC handling into a power well

2015-11-04 Thread Ville Syrjälä
On Tue, Nov 03, 2015 at 01:31:12PM +0100, Patrik Jakobsson wrote: > Handle DC off as a power well where enabling the power well will prevent > the DMC to enter selected DC states (required around modesets and Aux > A). Disabling the power well will allow DC states again. For now the > highest DC st

Re: [Intel-gfx] [PATCH 6/8] drm/i915/skl: Turn DC handling into a power well

2015-11-04 Thread Imre Deak
On ti, 2015-11-03 at 13:31 +0100, Patrik Jakobsson wrote: > Handle DC off as a power well where enabling the power well will prevent > the DMC to enter selected DC states (required around modesets and Aux > A). Disabling the power well will allow DC states again. For now the > highest DC state is D

Re: [Intel-gfx] [PATCH 6/8] drm/i915/skl: Turn DC handling into a power well

2015-11-04 Thread Patrik Jakobsson
On Wed, Nov 4, 2015 at 6:53 PM, Ville Syrjälä wrote: > On Tue, Nov 03, 2015 at 01:31:12PM +0100, Patrik Jakobsson wrote: >> Handle DC off as a power well where enabling the power well will prevent >> the DMC to enter selected DC states (required around modesets and Aux >> A). Disabling the power w

Re: [Intel-gfx] [PATCH 6/8] drm/i915/skl: Turn DC handling into a power well

2015-11-05 Thread Daniel Stone
Hi, On 3 November 2015 at 12:31, Patrik Jakobsson wrote: > diff --git a/drivers/gpu/drm/i915/intel_display.c > b/drivers/gpu/drm/i915/intel_display.c > index c6d60b8..e401871 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -13296,6 +13296,9 @