Re: Issue or bug concerning DRRS on old i7-4980HQ

[Jani Nikula <jani.nikula@linux.intel.com>]

On Mon, 04 Aug 2025, René Herman <rene.herman@gmail.com> wrote:
> On 04-08-2025 10:21, Jani Nikula wrote:
>
>> On Sat, 02 Aug 2025, René Herman <rene.herman@gmail.com> wrote:
>
>>> I.e., could while working with the person with the hardware not figure
>>> out what the point of that i915_drrs_ctl would be if the system
>>> immediately enabled it again anyway, so Arun's approach seems to make
>>> sense to me.
>> 
>> Hacking debugfs is not a fix, it's a hack.
>
> So I take it that's a no then on looking at/fixing the DRRS bug?

All I'm saying is that any fix must not depend on the user having to use
a debugfs or a module parameter. It needs to work out of the box.

BR,
Jani.


> Please 
> don't get me wrong; as said to Arun as well, I have no experience with 
> either this code or really anything concerning this technology even: I 
> am assuming I'm missing something when I couldn't figure out why the 
> DRRS disable CTL existed when the system activated it again immediately 
> anyway.
>
> I am/was trying that help that user, and maybe you guys as to having 
> this issue on the map; that already reported bug is 4 year's old, so it 
> didn't seem to otherwise have a lot of traction.
>
> Kind regards,
> Rene

-- 
Jani Nikula, Intel