[Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-06-26 Thread Rodrigo Vivi
We cannot let IPS enabled with no plane on the pipe: BSpec: "IPS cannot be enabled until after at least one plane has been enabled for at least one vertical blank." and "IPS must be disabled while there is still at least one plane enabled on the same pipe as IPS." This restriction apply to HSW and

Re: [Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-06-26 Thread Jani Nikula
On Fri, 26 Jun 2015, Daniel Vetter wrote: > On Thu, Jun 25, 2015 at 09:58:22AM -0700, Rodrigo Vivi wrote: >> We cannot let IPS enabled with no plane on the pipe: >> >> BSpec: "IPS cannot be enabled until after at least one plane has >> been enabled for at least one vertical blank." and "IPS must

Re: [Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-06-26 Thread Daniel Vetter
On Thu, Jun 25, 2015 at 09:58:22AM -0700, Rodrigo Vivi wrote: > We cannot let IPS enabled with no plane on the pipe: > > BSpec: "IPS cannot be enabled until after at least one plane has > been enabled for at least one vertical blank." and "IPS must be > disabled while there is still at least one p

Re: [Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-06-26 Thread Jani Nikula
On Thu, 28 May 2015, Rodrigo Vivi wrote: > We cannot let IPS enabled with no plane on the pipe: > > BSpec: "IPS cannot be enabled until after at least one plane has > been enabled for at least one vertical blank." and "IPS must be > disabled while there is still at least one plane enabled on the >

[Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-06-25 Thread Rodrigo Vivi
We cannot let IPS enabled with no plane on the pipe: BSpec: "IPS cannot be enabled until after at least one plane has been enabled for at least one vertical blank." and "IPS must be disabled while there is still at least one plane enabled on the same pipe as IPS." This restriction apply to HSW and

Re: [Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-05-31 Thread shuang . he
Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang...@intel.com) Task id: 6501 -Summary- Platform Delta drm-intel-nightly Series Applied PNV

Re: [Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-05-29 Thread Ville Syrjälä
On Thu, May 28, 2015 at 11:07:11AM -0700, Rodrigo Vivi wrote: > We cannot let IPS enabled with no plane on the pipe: > > BSpec: "IPS cannot be enabled until after at least one plane has > been enabled for at least one vertical blank." and "IPS must be > disabled while there is still at least one p

Re: [Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-05-28 Thread Kenneth Graunke
On Thursday, May 21, 2015 12:53:03 PM Rodrigo Vivi wrote: > We cannot let IPS enabled with no plane on the pipe: > > BSpec: "IPS cannot be enabled until after at least one plane has > been enabled for at least one vertical blank." and "IPS must be > disabled while there is still at least one plane

[Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-05-28 Thread Rodrigo Vivi
We cannot let IPS enabled with no plane on the pipe: BSpec: "IPS cannot be enabled until after at least one plane has been enabled for at least one vertical blank." and "IPS must be disabled while there is still at least one plane enabled on the same pipe as IPS." This restriction apply to HSW and

Re: [Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-05-22 Thread shuang . he
Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang...@intel.com) Task id: 6453 -Summary- Platform Delta drm-intel-nightly Series Applied PNV

Re: [Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-05-22 Thread Ville Syrjälä
On Thu, May 21, 2015 at 12:53:03PM -0700, Rodrigo Vivi wrote: > We cannot let IPS enabled with no plane on the pipe: > > BSpec: "IPS cannot be enabled until after at least one plane has > been enabled for at least one vertical blank." and "IPS must be > disabled while there is still at least one p

Re: [Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-05-21 Thread Vivi, Rodrigo
On Thu, 2015-05-21 at 23:33 +0200, Daniel Vetter wrote: > On Thu, May 21, 2015 at 12:53:03PM -0700, Rodrigo Vivi wrote: > > We cannot let IPS enabled with no plane on the pipe: > > > > BSpec: "IPS cannot be enabled until after at least one plane has > > been enabled for at least one vertical blank

Re: [Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-05-21 Thread Daniel Vetter
On Thu, May 21, 2015 at 12:53:03PM -0700, Rodrigo Vivi wrote: > We cannot let IPS enabled with no plane on the pipe: > > BSpec: "IPS cannot be enabled until after at least one plane has > been enabled for at least one vertical blank." and "IPS must be > disabled while there is still at least one p

[Intel-gfx] [PATCH] drm/i915: Fix IPS related flicker

2015-05-21 Thread Rodrigo Vivi
We cannot let IPS enabled with no plane on the pipe: BSpec: "IPS cannot be enabled until after at least one plane has been enabled for at least one vertical blank." and "IPS must be disabled while there is still at least one plane enabled on the same pipe as IPS. However this shortcut path to mak