linux-kernel - Re: [PATCH v2 05/21] drm/msm/adreno: Move adreno_gpu

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Message-ID: <d87bea02-1a89-4854-b760-617c3655b287@oss.qualcomm.com>
Date: Thu, 13 Nov 2025 10:27:09 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Akhil P Oommen <akhilpo@....qualcomm.com>
Cc: Rob Clark <robin.clark@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Sean Paul <sean@...rly.run>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Abhinav Kumar
 <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jesszhan0024@...il.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Jonathan Marek <jonathan@...ek.ca>,
        Jordan Crouse
 <jordan@...micpenguin.net>,
        Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Connor Abbott <cwabbott0@...il.com>, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux.dev, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 05/21] drm/msm/adreno: Move adreno_gpu_func to
 catalogue

On 11/13/25 4:38 AM, Dmitry Baryshkov wrote:
> On Thu, Nov 13, 2025 at 03:32:51AM +0530, Akhil P Oommen wrote:
>> On 11/12/2025 3:52 PM, Konrad Dybcio wrote:
>>> On 11/10/25 5:37 PM, Akhil P Oommen wrote:
>>>> In A6x family (which is a pretty big one), there are separate
>>>> adreno_func definitions for each sub-generations. To streamline the
>>>> identification of the correct struct for a gpu, move it to the
>>>> catalogue and move the gpu_init routine to struct adreno_gpu_funcs.
>>>>
>>>> Signed-off-by: Akhil P Oommen <akhilpo@....qualcomm.com>
>>>> ---
>>>
>>> [...]
>>>
>>>
>>>> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
>>>> index 44df6410bce1..9007a0e82a59 100644
>>>> --- a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
>>>> +++ b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
>>>> @@ -683,7 +683,7 @@ static const struct adreno_info a6xx_gpus[] = {
>>>
>>> Somewhere among this diff, a619_holi needs to have gmu_wrapper funcs
>>
>> Could you point me to the holi's devicetree? Currently I see only a610
>> (sm6115) and a702 (qcm2290) uses gmu_wrapper.
> 
> I don't think upstream was ported to SM4350. SM6375 should need the same
> hook, but I don't know why Konrad didn't enable GPU on that platform.

I'll try to fire up -next and confirm it hasn't bitrotten.

Konrad