linux-kernel - Re: [PATCH 06/17] drm/msm/adreno: Move adreno_gpu

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Message-ID: <82cd8782-b2ee-46ce-9964-e564ab6a0199@oss.qualcomm.com>
Date: Thu, 2 Oct 2025 01:24:36 +0530
From: Akhil P Oommen <akhilpo@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....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 <jessica.zhang@....qualcomm.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>, 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 06/17] drm/msm/adreno: Move adreno_gpu_func to catalogue

On 9/30/2025 12:39 PM, Dmitry Baryshkov wrote:
> On Tue, Sep 30, 2025 at 11:18:11AM +0530, 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>
>> ---
>>  drivers/gpu/drm/msm/adreno/a2xx_catalog.c  |   8 +-
>>  drivers/gpu/drm/msm/adreno/a2xx_gpu.c      |  50 +++----
>>  drivers/gpu/drm/msm/adreno/a3xx_catalog.c  |  14 +-
>>  drivers/gpu/drm/msm/adreno/a3xx_gpu.c      |  52 +++----
>>  drivers/gpu/drm/msm/adreno/a4xx_catalog.c  |   8 +-
>>  drivers/gpu/drm/msm/adreno/a4xx_gpu.c      |  54 ++++----
>>  drivers/gpu/drm/msm/adreno/a5xx_catalog.c  |  18 +--
>>  drivers/gpu/drm/msm/adreno/a5xx_gpu.c      |  61 ++++-----
>>  drivers/gpu/drm/msm/adreno/a6xx_catalog.c  |  50 +++----
>>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c      | 209 ++++++++++++++---------------
>>  drivers/gpu/drm/msm/adreno/adreno_device.c |   2 +-
>>  drivers/gpu/drm/msm/adreno/adreno_gpu.h    |  11 +-
>>  12 files changed, 275 insertions(+), 262 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/msm/adreno/a2xx_catalog.c b/drivers/gpu/drm/msm/adreno/a2xx_catalog.c
>> index 5ddd015f930d9a7dd04e2d2035daa0b2f5ff3f27..af3e4cceadd11d4e0ec4ba75f75e405af276cb7e 100644
>> --- a/drivers/gpu/drm/msm/adreno/a2xx_catalog.c
>> +++ b/drivers/gpu/drm/msm/adreno/a2xx_catalog.c
>> @@ -8,6 +8,8 @@
>>  
>>  #include "adreno_gpu.h"
>>  
>> +extern const struct adreno_gpu_funcs a2xx_gpu_funcs;
> 
> Please move these definitions to aNxx_gpu.h (a2xx_gpu.h, etc). LGTM
> otherwise.

This is a special case. These symbols needs to be visible only here.

-Akhil

>