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Before HOST can request FW to enter D3 state, has to stop all pipelines. If it's done properly all possible source of IPC messages from FW to HOST are disabled. The only exception from this is logger. If logs are enabled FW will continue to produce new traces and eventually trigger threshold notification. This notification is not critical so we can skip it during D3 entry. The message will remain in the internal list and will be sent when the DSP wakes up. Signed-off-by: Tomasz Leman <tomasz.m.leman@intel.com>
tmleman
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aborisovich,
bardliao,
marcinszkudlinski and
pblaszko
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August 11, 2023 11:14
kv2019i
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Aug 11, 2023
btian1
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Aug 14, 2023
RanderWang
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Aug 14, 2023
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We seem to have a another build issue with Zephyr main that needs to be followed-up -> not related to this PR though, so can ignore the Zephyr main fails in CI. We hit the known #7759 (under debug, unrelated) and alsabat fail on the main-ace plan, but this looks to be a DUT issue. Proceeding with merge. |
tmleman
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December 17, 2025 12:14
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Before HOST can request FW to enter D3 state, has to stop all pipelines. If it's done properly all possible source of IPC messages from FW to HOST are disabled.
The only exception from this is logger. If logs are enabled FW will continue to produce new traces and eventually trigger threshold notification.
This notification is not critical so we can skip it during D3 entry. The message will remain in the internal list and will be sent when the DSP wakes up.