linux-kernel - Re: [PATCH v2] drm/lima: add governor data with pre-defined thresholds

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Date:   Tue, 2 Feb 2021 09:04:07 +0800
From:   Qiang Yu <yuq825@...il.com>
To:     Lukasz Luba <lukasz.luba@....com>
Cc:     Christian Hewitt <christianshewitt@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        lima@...ts.freedesktop.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Steven Price <steven.price@....com>
Subject: Re: [PATCH v2] drm/lima: add governor data with pre-defined thresholds

OK, I see. Patch is also:
Reviewed-by: Qiang Yu <yuq825@...il.com>

Regards,
Qiang

On Mon, Feb 1, 2021 at 5:59 PM Lukasz Luba <lukasz.luba@....com> wrote:
>
>
>
> On 1/30/21 1:57 PM, Qiang Yu wrote:
> > This patch gets minor improvement on glmark2 (160->162).
>
> It has bigger impact when the load is changing and the frequency
> is stuck to min w/o this patch.
>
> >
> > Seems there's no way for user to change this value, do we?
> > Or there's work pending to expose it to sysfs?
>
> True there is no user sysfs. I've proposed a patch to export these via
> sysfs. Chanwoo is going to work on it. When it will land mainline, it's
> probably a few months. So for now, the fix makes sense.
>
> Regards,
> Lukasz
>