linux-kernel - Re: [PATCH 16/17] drm/msm/a6xx: Enable IFPC on Adreno X1-85

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Message-ID: <bd0d5470-04e3-4545-be5d-a71b9d3fb5a0@oss.qualcomm.com>
Date: Thu, 24 Jul 2025 03:27:16 +0530
From: Akhil P Oommen <akhilpo@....qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Rob Clark <robin.clark@....qualcomm.com>, Sean Paul <sean@...rly.run>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 16/17] drm/msm/a6xx: Enable IFPC on Adreno X1-85

On 7/23/2025 4:03 PM, Konrad Dybcio wrote:
> On 7/22/25 11:37 PM, Akhil P Oommen wrote:
>> On 7/22/2025 7:25 PM, Dmitry Baryshkov wrote:
>>> On Sun, Jul 20, 2025 at 05:46:17PM +0530, Akhil P Oommen wrote:
>>>> Add the IFPC restore register list and enable IFPC support on Adreno
>>>> X1-85 gpu.
>>>
>>> Nit: GPU
>>>
>>> I can't stop but notice that KGSL enables IFPC for a bigger set of
>>> SKUs, starting from a630v2 and a615. Is there a plan to get IFPC
>>> supported on those platforms?
>>
>> Sorry, no access to those hardwares. But I can certainly help if someone
>> wants to do that. :)
> 
> Let's get the groundwork merged first ;) 
> 
> Nowadays you can reasonably assume we have access to at least one board,
> no matter which SoC

We just need to add a proper ifpc restore register list for most
chipsets. But the legacy gmu firmware (a630 derivatives) might have some
quirks.

-Akhil.


> 
> Konrad