Messages in this thread | | | From | Thierry Reding <> | Subject | Re: (subset) [Patch v2 0/2] Fix hang due to CPU BW request as BPMP suspended | Date | Fri, 13 Oct 2023 14:25:12 +0200 |
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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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