linux-kernel - Re: [PATCH v3 3/3] drm/msm/adreno: Trust the SSoT UBWC config

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Message-ID: <65qhwotmxkxoa434qxtiflkb77espumpnacrw4nymvf37ozhcg@d6ouxfisuylv>
Date: Thu, 8 Jan 2026 16:46:59 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Konrad Dybcio <konradybcio@...nel.org>
Cc: Bjorn Andersson <andersson@...nel.org>, Kees Cook <kees@...nel.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Rob Clark <robin.clark@....qualcomm.com>, Sean Paul <sean@...rly.run>,
        Akhil P Oommen <akhilpo@....qualcomm.com>,
        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>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-hardening@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH v3 3/3] drm/msm/adreno: Trust the SSoT UBWC config

On Thu, Jan 08, 2026 at 03:21:52PM +0100, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> 
> Now that the highest_bank_bit value is retrieved from the running
> system and the global config has been part of the tree for a couple
> of releases, there is no reason to keep any hardcoded values inside
> the GPU driver.
> 
> Get rid of them.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> ---
>  drivers/gpu/drm/msm/adreno/a5xx_gpu.c   | 11 ++---
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c   | 82 ++-------------------------------
>  drivers/gpu/drm/msm/adreno/adreno_gpu.h |  5 --
>  3 files changed, 6 insertions(+), 92 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry