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    SubjectRe: (subset) [Patch v2 0/2] Fix hang due to CPU BW request as BPMP suspended
    Date
    From: Thierry Reding <treding@nvidia.com>


    On Mon, 09 Oct 2023 15:35:55 +0530, Sumit Gupta wrote:
    > This patch set fixes hang during system resume which started coming
    > after adding Memory Interconnect and OPP support to the Tegra194 CPUFREQ
    > in below change:
    > f41e1442ac5b ("cpufreq: tegra194: add OPP support and set bandwidth").
    >
    > Tegra194 CPUFREQ driver uses 'CPUFREQ_NEED_INITIAL_FREQ_CHECK' flag
    > which causes a CPU frequency set request from the 'cpuhp_cpufreq_online'
    > hotplug notifier during resume. The CPU frequency set call also triggers
    > a DRAM bandwidth set request but the BPMP driver hasn't resumed yet
    > which results in hang during resume.
    >
    > [...]

    Applied, thanks!

    [2/2] memory: tegra: set BPMP msg flags to reset IPC channels
    (no commit info)

    Best regards,
    --
    Thierry Reding <treding@nvidia.com>

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