Re: [PATCH 9/9] drm/i915: Remove old PSR2 FIXME about frontbuffer tracking

[Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>]

On Thu, 2018-11-29 at 15:11 -0800, Rodrigo Vivi wrote:
> On Mon, Nov 26, 2018 at 04:37:10PM -0800, José Roberto de Souza
> wrote:
> > Our frontbuffer tracking improved over the years + the WA #0884
> > helped us keep PSR2 enabled while triggering screen updates when
> > necessary so this FIXME is not valid anymore.
> > 
> > Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
> > Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
> > Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
> 
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>


> 
> > ---
> >  drivers/gpu/drm/i915/intel_psr.c | 3 ---
> >  1 file changed, 3 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_psr.c
> > b/drivers/gpu/drm/i915/intel_psr.c
> > index 6fd793fec5e9..a1bde8bbd85b 100644
> > --- a/drivers/gpu/drm/i915/intel_psr.c
> > +++ b/drivers/gpu/drm/i915/intel_psr.c
> > @@ -490,9 +490,6 @@ static void hsw_activate_psr2(struct intel_dp
> > *intel_dp)
> >  	/* Avoid deep sleep as much as possible to avoid PSR2 idle
> > state */
> >  	val |= EDP_PSR2_IDLE_FRAMES_TO_DEEP_SLEEP(15);
> >  
> > -	/* FIXME: selective update is probably totally broken because
> > it doesn't
> > -	 * mesh at all with our frontbuffer tracking. And the hw alone
> > isn't
> > -	 * good enough. */
> >  	val |= EDP_PSR2_ENABLE | EDP_SU_TRACK_ENABLE;
> >  	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
> >  		val |= EDP_Y_COORDINATE_ENABLE;
> > -- 
> > 2.19.2
> > 

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