From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Bibek Kumar Patro <quic_bibekkum@quicinc.com>,
will@kernel.org, robin.murphy@arm.com, joro@8bytes.org,
dmitry.baryshkov@linaro.org, jsnitsel@redhat.com,
quic_bjorande@quicinc.com, mani@kernel.org,
quic_eberman@quicinc.com, robdclark@chromium.org,
u.kleine-koenig@pengutronix.de, robh@kernel.org,
vladimir.oltean@nxp.com, quic_pkondeti@quicinc.com,
quic_molvera@quicinc.com
Cc: linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev,
linux-kernel@vger.kernel.org, qipl.kernel.upstream@quicinc.com
Subject: Re: [PATCH v5 1/5] iommu/arm-smmu: re-enable context caching in smmu reset operation
Date: Tue, 19 Dec 2023 18:59:14 +0100 [thread overview]
Message-ID: <810ee42b-49c9-4184-b5aa-a95261faf77a@linaro.org> (raw)
In-Reply-To: <20231219135947.1623-2-quic_bibekkum@quicinc.com>
On 19.12.2023 14:59, Bibek Kumar Patro wrote:
> Default MMU-500 reset operation disables context caching in
> prefetch buffer. It is however expected for context banks using
> the ACTLR register to retain their prefetch value during reset
> and runtime suspend.
>
> Replace default MMU-500 reset operation with Qualcomm specific reset
> operation which envelope the default reset operation and re-enables
> context caching in prefetch buffer for Qualcomm SoCs.
>
> Suggested-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Suggested-by implies I came up with this being a solution to
an issue.. definitely not the case!
Konrad
next prev parent reply other threads:[~2023-12-19 17:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-19 13:59 [PATCH v5 0/5] iommu/arm-smmu: introduction of ACTLR implementation for Qualcomm SoCs Bibek Kumar Patro
2023-12-19 13:59 ` [PATCH v5 1/5] iommu/arm-smmu: re-enable context caching in smmu reset operation Bibek Kumar Patro
2023-12-19 17:59 ` Konrad Dybcio [this message]
2023-12-20 8:08 ` Bibek Kumar Patro
2023-12-19 13:59 ` [PATCH v5 2/5] iommu/arm-smmu: refactor qcom_smmu structure to include single pointer Bibek Kumar Patro
2023-12-19 13:59 ` [PATCH v5 3/5] iommu/arm-smmu: introduction of ACTLR for custom prefetcher settings Bibek Kumar Patro
2023-12-19 13:59 ` [PATCH v5 4/5] iommu/arm-smmu: add ACTLR data and support for SM8550 Bibek Kumar Patro
2023-12-19 13:59 ` [PATCH v5 5/5] iommu/arm-smmu: add ACTLR data and support for SC7280 Bibek Kumar Patro
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