Re: [PATCH v3] drm/i915/rpm: Enable runtime pm autosuspend by default

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On Mon, Nov 22, 2021 at 07:18:17PM +0530, Anshuman Gupta wrote:
> On 2021-11-16 at 21:22:38 +0530, Tilak Tangudu wrote:
> > v1: Enable runtime pm autosuspend by default for Gen12
> > and later versions.
> > 
> > v2: Enable runtime pm autosuspend by default for all
> > platforms(Syrjala Ville)
> > 
> > v3: Change commit message(Nikula Jani)
> It would require to reorder the commit log, version log
> need to move after commit message.

Well noticed. I changed while pushing.

So, for the record:

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

> Thanks,
> Anshuman.
> > Let's enable runtime pm autosuspend by default everywhere.
> > So, we can allow D3hot and bigger power savings on idle scenarios.
> > 
> > But at this time let's not touch the autosuspend_delay time,
> > what caused some regression on our previous attempt.
> > 
> > Also, the latest identified issue on GuC PM has been fixed by
> > commit 1a52faed3131 ("drm/i915/guc: Take GT PM ref when deregistering
> > context")
> > 
> > Signed-off-by: Tilak Tangudu <tilak.tangudu@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/intel_runtime_pm.c | 3 +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> > index 0d85f3c5c526..22dab36afcb6 100644
> > --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> > +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> > @@ -590,6 +590,9 @@ void intel_runtime_pm_enable(struct intel_runtime_pm *rpm)
> >  		pm_runtime_use_autosuspend(kdev);
> >  	}
> >  
> > +	/* Enable by default */
> > +	pm_runtime_allow(kdev);
> > +
> >  	/*
> >  	 * The core calls the driver load handler with an RPM reference held.
> >  	 * We drop that here and will reacquire it during unloading in
> > -- 
> > 2.25.1
> > 



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