Re: EXTERNAL: Re: Testers for LCD Panel Self Refresh on laptops with Intel graphics wanted

2018-02-02 Thread Hans de Goede

Hi,

On 01-02-18 16:33, Wells, Roger K. wrote:

On 02/01/2018 10:21 AM, Ian Pilcher wrote:

On 02/01/2018 05:34 AM, Hans de Goede wrote:

If you can spare 10 minutes, please see my blogpost for how to test
this and send me a mail with the info request in the blogpost:
https://hansdegoede.livejournal.com/18653.html


Should this testing be done on AC power or unplugged (or does it not
matter)?


Unplugged, because that is the only state in which powertop can
measure energy consumption.


also, how to determine if "i915.enable_psr=1" was entered correctly and 
accepted?


I've updated my blogpost with some info on how to check that
adding that option actually does anything, see:

https://hansdegoede.livejournal.com/18653.html

Regards,

Hans
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Re: EXTERNAL: Re: Testers for LCD Panel Self Refresh on laptops with Intel graphics wanted

2018-02-01 Thread Ian Pilcher

On 02/01/2018 09:33 AM, Wells, Roger K. wrote:
also, how to determine if "i915.enable_psr=1" was entered correctly and 
accepted?




$ sudo cat /sys/module/i915/parameters/enable_psr

--

Ian Pilcher arequip...@gmail.com
 "I grew up before Mark Zuckerberg invented friendship" 

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Re: EXTERNAL: Re: Testers for LCD Panel Self Refresh on laptops with Intel graphics wanted

2018-02-01 Thread Wells, Roger K.

On 02/01/2018 10:21 AM, Ian Pilcher wrote:

On 02/01/2018 05:34 AM, Hans de Goede wrote:

If you can spare 10 minutes, please see my blogpost for how to test
this and send me a mail with the info request in the blogpost:
https://hansdegoede.livejournal.com/18653.html


Should this testing be done on AC power or unplugged (or does it not
matter)?

also, how to determine if "i915.enable_psr=1" was entered correctly and 
accepted?


--
Roger Wells, P.E.
leidos
221 Third St
Newport, RI 02840
401-847-4210 (voice)
401-849-1585 (fax)
roger.k.we...@leidos.com
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