[Intel-gfx] Disable power management on i915

[Sanchez, AdolfoX]

Hello Joonas,

Thanks for your answer.
It is a test related for this bug: https://bugzilla.kernel.org/show_bug.cgi?id=109051

Best Regards,
Adolfo Sanchez


-----Original Message-----
From: Joonas Lahtinen [mailto:joonas.lahtinen at linux.intel.com] 
Sent: Tuesday, August 02, 2016 1:48 AM
To: Sanchez, AdolfoX <adolfox.sanchez at intel.com>; intel-gfx at lists.freedesktop.org
Subject: Re: [Intel-gfx] Disable power management on i915

On ma, 2016-08-01 at 20:08 +0000, Sanchez, AdolfoX wrote:
> Hello.
>  
> I would like to know what is the best way to disable power management 
> on the GPU unit, the purpose is to avoid GPU power transitions to 
> avoid voltage swings.

i915.enable_rc6=0 would be a start. Do you also want to fix the GPU frequency?

May I also ask why you want to do such thing?

Regards, Joonas

>  
> Additional information:
> Platform: Bay Trail J1900
> O.S: Linux Kernel 4.4
>  
> Any help would be appreciated.
>  
> Best Regards,
> Adolfo Sanchez.
>  
> _______________________________________________
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> Intel-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation