linux-kernel - Re: [PATCH RFT v3 07/14] drm/msm/a6xx: Resolve the meaning of UBWC

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Message-ID: <wwty3mev3cihpyo7utwoe4aspeqf6hzuo45p4xbr6wali7axjc@uqwhsgqcllzh>
Date: Sun, 18 May 2025 12:47:39 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Konrad Dybcio <konradybcio@...nel.org>
Cc: Bjorn Andersson <andersson@...nel.org>, Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Akhil P Oommen <quic_akhilpo@...cinc.com>, Sean Paul <sean@...rly.run>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH RFT v3 07/14] drm/msm/a6xx: Resolve the meaning of
 UBWC_MODE

On Sat, May 17, 2025 at 07:32:41PM +0200, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> 
> This bit is set iff the UBWC version is 1.0. That notably does not
> include QCM2290's "no UBWC".
> 
> This commit is intentionally cross-subsystem to ease review, as the
> patchset is intended to be merged together, with a maintainer
> consensus.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c |  2 +-
>  include/linux/soc/qcom/ubwc.h         | 10 ++++++++++
>  2 files changed, 11 insertions(+), 1 deletion(-)
> 

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

-- 
With best wishes
Dmitry