From: Akhil P Oommen <akhilpo@codeaurora.org>
To: mka@chromium.org
Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
dianders@chromium.org, linux-kernel@vger.kernel.org,
dri-devel@freedesktop.org, freedreno@lists.freedesktop.org
Subject: Re: [v4,1/3] drm/msm: Add support for GPU cooling
Date: Fri, 30 Oct 2020 10:37:34 +0530 [thread overview]
Message-ID: <3d99a0e0-765d-0d89-37ed-0f0999580c1b@codeaurora.org> (raw)
In-Reply-To: <20201029204842.GC1855806@google.com>
On 10/30/2020 2:18 AM, mka@chromium.org wrote:
> On Thu, Oct 29, 2020 at 01:37:19PM +0530, Akhil P Oommen wrote:
>> Register GPU as a devfreq cooling device so that it can be passively
>> cooled by the thermal framework.
>>
>> Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org>
>> Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
>
> Wait, I did not post a 'Reviewed-by' tag for this patch!
>
> I think the patch should be ok, but I'm still not super happy
> about the resource management involving devfreq in general (see
> discussion on https://patchwork.freedesktop.org/patch/394291/?series=82476&rev=1).
> It's not really something introduced by this patch, but if it ever
> gets fixed releasing the cooling device at the end of
> msm_gpu_cleanup() after everything else might cause trouble.
>
> In summary, I'm supportive of landing this patch, but reluctant to
> 'sign it off' because of the above.
>
> In any case:
>
> Tested-by: Matthias Kaehlcke <mka@chromium.org>
Sorry, Matthias. My mistake. You shared the reviewed tag for the
dt-bindings update. Will fix this ASAP. Thanks for verifying this.
-Akhil.
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
>
prev parent reply other threads:[~2020-10-30 5:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-29 8:07 [PATCH v4 1/3] drm/msm: Add support for GPU cooling Akhil P Oommen
2020-10-29 8:07 ` [PATCH v4 2/3] arm64: dts: qcom: sc7180: Add gpu cooling support Akhil P Oommen
2020-10-29 8:07 ` [PATCH v4 3/3] dt-bindings: drm/msm/gpu: Add cooling device support Akhil P Oommen
2020-10-30 13:38 ` Rob Herring
2020-10-29 20:48 ` [v4,1/3] drm/msm: Add support for GPU cooling mka
2020-10-30 5:07 ` Akhil P Oommen [this message]
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