Re: [Intel-gfx] [PATCH 6/7] drm/i915/cnl: Write dco_fraction calculation as spec.

2017-11-14 Thread Rodrigo Vivi
On Tue, Nov 14, 2017 at 09:29:57PM +, Rodrigo Vivi wrote: > On Tue, Nov 14, 2017 at 08:46:38PM +, Ville Syrjälä wrote: > > On Tue, Nov 14, 2017 at 10:22:27PM +0200, Ville Syrjälä wrote: > > > On Tue, Nov 14, 2017 at 11:47:58AM -0800, Rodrigo Vivi wrote: > > > > I confess I never fully under

Re: [Intel-gfx] [PATCH 6/7] drm/i915/cnl: Write dco_fraction calculation as spec.

2017-11-14 Thread Rodrigo Vivi
On Tue, Nov 14, 2017 at 08:46:38PM +, Ville Syrjälä wrote: > On Tue, Nov 14, 2017 at 10:22:27PM +0200, Ville Syrjälä wrote: > > On Tue, Nov 14, 2017 at 11:47:58AM -0800, Rodrigo Vivi wrote: > > > I confess I never fully understood that previous calculation, > > > so maybe this is cannot be call

Re: [Intel-gfx] [PATCH 6/7] drm/i915/cnl: Write dco_fraction calculation as spec.

2017-11-14 Thread Ville Syrjälä
On Tue, Nov 14, 2017 at 10:22:27PM +0200, Ville Syrjälä wrote: > On Tue, Nov 14, 2017 at 11:47:58AM -0800, Rodrigo Vivi wrote: > > I confess I never fully understood that previous calculation, > > so maybe this is cannot be called a "fix". But let's follow > > the math that is written on Spec so we

Re: [Intel-gfx] [PATCH 6/7] drm/i915/cnl: Write dco_fraction calculation as spec.

2017-11-14 Thread Rodrigo Vivi
On Tue, Nov 14, 2017 at 08:22:27PM +, Ville Syrjälä wrote: > On Tue, Nov 14, 2017 at 11:47:58AM -0800, Rodrigo Vivi wrote: > > I confess I never fully understood that previous calculation, > > so maybe this is cannot be called a "fix". But let's follow > > the math that is written on Spec so we

Re: [Intel-gfx] [PATCH 6/7] drm/i915/cnl: Write dco_fraction calculation as spec.

2017-11-14 Thread Ville Syrjälä
On Tue, Nov 14, 2017 at 11:47:58AM -0800, Rodrigo Vivi wrote: > I confess I never fully understood that previous calculation, > so maybe this is cannot be called a "fix". But let's follow > the math that is written on Spec so we have get more confident > this is what hardware expect. > > Cc: Mika

[Intel-gfx] [PATCH 6/7] drm/i915/cnl: Write dco_fraction calculation as spec.

2017-11-14 Thread Rodrigo Vivi
I confess I never fully understood that previous calculation, so maybe this is cannot be called a "fix". But let's follow the math that is written on Spec so we have get more confident this is what hardware expect. Cc: Mika Kahola Cc: Manasi Navare Cc: James Ausmus Signed-off-by: Rodrigo Vivi