linux-kernel - Re: [PATCH 15/17] drm/msm/adreno: Do CX GBIF config before GMU start

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Message-ID: <ae2ooybajk6mcjggeztumubht6auw5qlhmsdrblikc5ruoxtmm@oj5kvpxithva>
Date: Tue, 30 Sep 2025 10:49:45 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: 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 <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 15/17] drm/msm/adreno: Do CX GBIF config before GMU start

On Tue, Sep 30, 2025 at 11:18:20AM +0530, Akhil P Oommen wrote:
> GMU lies on the CX domain and accesses CX GBIF. So do CX GBIF
> configurations before GMU wakes up. Also, move these registers to
> the catalog.
> 
> Signed-off-by: Akhil P Oommen <akhilpo@....qualcomm.com>

Fixes tag?

> ---
>  drivers/gpu/drm/msm/adreno/a6xx_catalog.c | 23 +++++++++++++++++++++++
>  drivers/gpu/drm/msm/adreno/a6xx_gmu.c     | 12 ++++++++++++
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c     | 17 ++++++++++-------
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.h     |  1 +
>  drivers/gpu/drm/msm/adreno/a8xx_gpu.c     | 10 +++-------
>  5 files changed, 49 insertions(+), 14 deletions(-)
> 

-- 
With best wishes
Dmitry