[DNM] ipc4: set_dx: Change active pipeline check from error to warning #9225
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During the power state transition process for DSP cores, the system previously checked for any active pipelines and prevented the transition if any were found, returning an IPC4_BUSY error. This behavior could potentially block power transitions even in cases where active pipelines do not critically affect the transition process. This patch changes the behavior to issue a warning instead of an error when active pipelines are detected during a power state transition (DX transition). The intention is to allow the power transition to proceed while still logging the presence of active pipelines for diagnostic purposes. Signed-off-by: Tomasz Leman <[email protected]>
tmleman
requested review from
lgirdwood,
plbossart,
mmaka1,
lbetlej,
dbaluta and
kv2019i
as code owners
lgirdwood
reviewed
Jun 12, 2024
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@tmleman I guess this will help unblock power cycle if audio driver crashes ?
@plbossart fyi
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Update: Leaving as DNM due to ongoing internal discussion about what the correct behavior should be. |
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@tmleman will track for this for v2.11 so its kept in context until a decision is made. |
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During the power state transition process for DSP cores, the system previously checked for any active pipelines and prevented the transition if any were found, returning an IPC4_BUSY error. This behavior could potentially block power transitions even in cases where active pipelines do not critically affect the transition process.
This patch changes the behavior to issue a warning instead of an error when active pipelines are detected during a power state transition (DX transition). The intention is to allow the power transition to proceed while still logging the presence of active pipelines for diagnostic purposes.