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[83.9.1.44]) by smtp.gmail.com with ESMTPSA id g14-20020a0565123b8e00b004b4fefacd89sm1586129lfv.139.2022.12.12.03.21.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Dec 2022 03:21:54 -0800 (PST) Message-ID: Date: Mon, 12 Dec 2022 12:21:52 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: [PATCH] iommu/arm-smmu-qcom: Add SM8150 DPU compatible Content-Language: en-US To: Dmitry Baryshkov , linux-arm-msm@vger.kernel.org, andersson@kernel.org, agross@kernel.org, krzysztof.kozlowski@linaro.org Cc: marijn.suijten@somainline.org, Will Deacon , Robin Murphy , Joerg Roedel , Konrad Dybcio , Sai Prakash Ranjan , Rob Clark , Adam Skladowski , linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org References: <20221212100617.18190-1-konrad.dybcio@linaro.org> <552EFDD5-4BBE-408D-90EA-C96F4A0876B7@linaro.org> <57d3ba20-f1de-d7f3-d689-b25a02174379@linaro.org> From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12.12.2022 12:20, Dmitry Baryshkov wrote: > > > On 12 December 2022 14:00:10 GMT+03:00, Konrad Dybcio wrote: >> >> >> On 12.12.2022 11:58, Dmitry Baryshkov wrote: >>> >>> >>> On 12 December 2022 13:06:16 GMT+03:00, Konrad Dybcio wrote: >>>> From: Marijn Suijten >>>> >>>> Add the SM8150 DPU compatible to clients compatible list, as it also >>>> needs the workarounds. >>> >>> Please rebase on top of linux-next, this part was rewritten. >> This one wasn't, but yeah it is based on some local changes >> (see 6350/6375).. > > It was, > > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c?h=next-20221208#n498 We're not looking at the same thing, this patch adds a compatible for 8150's mdss so that it can be matched as a client, not a compatible for the SMMU itself (which itself has been merged dinosaur years ago). Konrad > >> >> Konrad >>> >>> >>>> >>>> Signed-off-by: Marijn Suijten >>>> Signed-off-by: Konrad Dybcio >>>> --- >>>> Depends on the binding here: >>>> >>>> [1] https://lore.kernel.org/linux-arm-msm/20221212093315.11390-1-konrad.dybcio@linaro.org/T/#t >>>> >>>> drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 1 + >>>> 1 file changed, 1 insertion(+) >>>> >>>> diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c >>>> index 6610f5d2877d..cd74c1efcfde 100644 >>>> --- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c >>>> +++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c >>>> @@ -255,6 +255,7 @@ static const struct of_device_id qcom_smmu_client_of_match[] __maybe_unused = { >>>> { .compatible = "qcom,sdm845-mss-pil" }, >>>> { .compatible = "qcom,sm6350-mdss" }, >>>> { .compatible = "qcom,sm6375-mdss" }, >>>> + { .compatible = "qcom,sm8150-mdss" }, >>>> { .compatible = "qcom,sm8250-mdss" }, >>>> { } >>>> }; >>> >