Re: [Intel-gfx] [PATCH 4/4] drm/i915/runtime_pm: Reduce autosuspend delay to 1s.

["Gupta, Anshuman" <anshuman.gupta@intel.com>]

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces@lists.freedesktop.org> On Behalf Of Rodrigo
> Vivi
> Sent: Wednesday, August 25, 2021 8:53 PM
> To: intel-gfx@lists.freedesktop.org
> Cc: Vivi, Rodrigo <rodrigo.vivi@intel.com>; Daniel Vetter
> <daniel.vetter@ffwll.ch>; David Weinehall <david.weinehall@linux.intel.com>;
> Tangudu, Tilak <tilak.tangudu@intel.com>
> Subject: [Intel-gfx] [PATCH 4/4] drm/i915/runtime_pm: Reduce autosuspend
> delay to 1s.
> 
> Let's try to be more aggressive on the power savings, but not as much as 0.1s
> that caused us some regression in the past.
In IGT we are already using 0 second as auto suspend delay.
Looks good to me.
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>

> 
> Also let's have this in a separated patch so that can be bisected and increased
> back (or reverted) as needed.
> 
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: David Weinehall <david.weinehall@linux.intel.com>
> Cc: Tilak Tangudu <tilak.tangudu@intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_runtime_pm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c
> b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index 8f052bd4f58c..3244ac85d13c 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -585,7 +585,7 @@ void intel_runtime_pm_enable(struct intel_runtime_pm
> *rpm)
>  	 */
>  	dev_pm_set_driver_flags(kdev, DPM_FLAG_NO_DIRECT_COMPLETE);
> 
> -	pm_runtime_set_autosuspend_delay(kdev, 10000); /* 10s */
> +	pm_runtime_set_autosuspend_delay(kdev, 1000); /* 1s */
>  	pm_runtime_mark_last_busy(kdev);
> 
>  	/*
> --
> 2.31.1