Re: [PATCH 5/5] drm/i915: Enable PSR by default.

Rodrigo Vivi
2015-04-13T23:46:30Z

Another questions,

Are you using powertop --auto-tune?

If so, can you please try to repdoruce X slowness issue on these 2 scenarios:
1. without doing the powertop auto-tune and psr enabled.
2. with powertop auto-tune but with PSR disabled by i915.enable_psr=0

Thanks in advance,
Rodrigo.

On Mon, Apr 13, 2015 at 4:09 PM, Rodrigo Vivi <rodrigo.vivi@gmail.com> wrote:
> Hi Matthew,
>
> Could you please check if you can reproduce your issue using this
> branch: http://cgit.freedesktop.org/~vivijim/drm-intel/log/?h=intel_psr
>
> Also,
> 1. What Platform are you using? BDW?
> 2. What desktop environment do you use?
> 3. What is your resolution?
> 4. Is IPS running?
> 5. Could you please grab dmesg with drm.debug=0xe?
> 6. Could you please paste a sequence of cat
> /sys/kernel/debug/dri/0/i915_edp_psr_status
> when facing the fbcon and X issues?
>
> Thanks in advance,
> Rodrigo.
>
> On Fri, Apr 10, 2015 at 3:05 PM, Matthew Garrett <mjg59@srcf.ucam.org> wrote:
>> I'm seeing the same behaviour with this patchset. After boot, X works
>> fine but I get a rolling display on fbcon (the contents appear to be
>> moving horizontally very quickly around the middle of the screen). If
>> the screen is turned off and on again, X now only updates the screen
>> once every second or so but fbcon works. If I suspend and resume, things
>> go back to the working state until the next screen power cycle.
>>
>> --
>> Matthew Garrett | mjg59@srcf.ucam.org
>> _______________________________________________
>> Intel-gfx mailing list
>> Intel-gfx@lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
>
>
> --
> Rodrigo Vivi
> Blog: http://blog.vivi.eng.br

--
Rodrigo Vivi
Blog: http://blog.vivi.eng.br