Message-ID: <8782c1a1-6600-31b8-bd62-8ea5cb0ff081@linaro.org>
Date:   Sun, 19 Mar 2023 16:19:31 +0100
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Subject: Re: [Patch v2 2/9] memory: tegra: add interconnect support for DRAM
 scaling in Tegra234
Content-Language: en-US
To:     Sumit Gupta <sumitg@nvidia.com>, treding@nvidia.com,
        dmitry.osipenko@collabora.com, viresh.kumar@linaro.org,
        rafael@kernel.org, jonathanh@nvidia.com, robh+dt@kernel.org,
        lpieralisi@kernel.org
Cc:     linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org,
        linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-pci@vger.kernel.org, mmaddireddy@nvidia.com, kw@linux.com,
        bhelgaas@google.com, vidyas@nvidia.com, sanjayc@nvidia.com,
        ksitaraman@nvidia.com, ishah@nvidia.com, bbasu@nvidia.com
References: <20230220140559.28289-1-sumitg@nvidia.com>
 <20230220140559.28289-3-sumitg@nvidia.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20230220140559.28289-3-sumitg@nvidia.com>
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Precedence: bulk

On 20/02/2023 15:05, Sumit Gupta wrote:
> Add Interconnect framework support to dynamically set the DRAM
> bandwidth from different clients. Both the MC and EMC drivers are
> added as ICC providers. The path for any request is:
>  MC-Client[1-n] -> MC -> EMC -> EMEM/DRAM
> 
> MC client's request for bandwidth will go to the MC driver which
> passes the client request info like BPMP Client ID, Client type
> and the Bandwidth to the BPMP-FW. The final DRAM freq to achieve
> the requested bandwidth is set by the BPMP-FW based on the passed
> parameters.
> 
> Signed-off-by: Sumit Gupta <sumitg@nvidia.com>
> ---


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof