Re: [PATCH RFC 1/3] drm/msm/adreno: Add support for ACD
From: Konrad Dybcio
Date: Mon Oct 21 2024 - 05:39:00 EST
On 11.10.2024 10:29 PM, Akhil P Oommen wrote:
> ACD a.k.a Adaptive Clock Distribution is a feature which helps to reduce
> the power consumption. In some chipsets, it is also a requirement to
> support higher GPU frequencies. This patch adds support for GPU ACD by
> sending necessary data to GMU and AOSS. The feature support for the
> chipset is detected based on devicetree data.
>
> Signed-off-by: Akhil P Oommen <quic_akhilpo@xxxxxxxxxxx>
> ---
[...]
> +
> + /* Initialize qmp node to talk to AOSS */
> + gmu->qmp = qmp_get(gmu->dev);
> + if (IS_ERR(gmu->qmp)) {
> + cmd->enable_by_level = 0;
> + return dev_err_probe(gmu->dev, PTR_ERR(gmu->qmp), "Failed to initialize qmp\n");
> + }
I'm still in favor of keeping qmp_get where it currently is, so that
probe can fail/defer faster
Konrad