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Message-ID: <51451dc1-14d5-595b-589e-1cbcb5468180@linaro.org>
Date:   Sun, 2 Apr 2023 18:43:57 +0300
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Subject: Re: [PATCH v6 01/15] drm/msm/adreno: adreno_gpu: Don't set OPP
 scaling clock w/ GMU
Content-Language: en-GB
To:     Konrad Dybcio <konrad.dybcio@linaro.org>,
        Rob Clark <robdclark@gmail.com>,
        Abhinav Kumar <quic_abhinavk@quicinc.com>,
        Sean Paul <sean@poorly.run>, David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@somainline.org>,
        Akhil P Oommen <quic_akhilpo@quicinc.com>
Cc:     linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
        freedreno@lists.freedesktop.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, Rob Clark <robdclark@chromium.org>,
        Marijn Suijten <marijn.suijten@somainline.org>
References: <20230223-topic-gmuwrapper-v6-0-2034115bb60c@linaro.org>
 <20230223-topic-gmuwrapper-v6-1-2034115bb60c@linaro.org>
From:   Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
In-Reply-To: <20230223-topic-gmuwrapper-v6-1-2034115bb60c@linaro.org>
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On 01/04/2023 14:54, Konrad Dybcio wrote:
> Recently I contributed the switch to OPP API for all Adreno generations.
> I did however also skip over the fact that GPUs with a GMU don't specify
> a core clock of any kind in the GPU node. While that didn't break
> anything, it did introduce unwanted spam in the dmesg:
> 
> adreno 5000000.gpu: error -ENOENT: _opp_set_clknames: Couldn't find clock with name: core_clk
> 
> Guard the entire logic so that it's not used with GMU-equipped GPUs.
> 
> Fixes: 9f251f934012 ("drm/msm/adreno: Use OPP for every GPU generation")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---
>   drivers/gpu/drm/msm/adreno/adreno_gpu.c | 24 ++++++++++++++----------
>   1 file changed, 14 insertions(+), 10 deletions(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

-- 
With best wishes
Dmitry