zephyr: add notifier_register(ipc_send_queued_msg) in task_main_start()#4428
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lgirdwood merged 2 commits intothesofproject:mainfrom Jun 29, 2021
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zephyr: add notifier_register(ipc_send_queued_msg) in task_main_start()#4428lgirdwood merged 2 commits intothesofproject:mainfrom
lgirdwood merged 2 commits intothesofproject:mainfrom
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... and rename some parameter names. Signed-off-by: Marc Herbert <marc.herbert@intel.com>
Fixes thesofproject#4356 In XTOS SOF, ipc_send_queued_msg() is run by task_main_primary_core(), the initialization of which has a hard and circular dependency with the initialization of the EDF scheduler. This EDF scheduler is not part of Zephyr. Because of the circular dependency it does not seem possible (nor desirable?) to refactor this code and make it compatible with Zephyr. So schedule ipc_send_queued_msg() differently in Zephyr: using a notifier triggered by the periodic Low Latency scheduler. Signed-off-by: Marc Herbert <marc.herbert@intel.com>
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alsabat noise in https://sof-ci.01.org/sofpr/PR4428/build9523/devicetest/?model=CML_SKU0955_HDA&testcase=check-alsabat-headset-playback can't be related, everything else is green |
lgirdwood
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| /* init pipeline position offsets */ | ||
| pipeline_posn_init(sof); | ||
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| (void)notifier_register(NULL, scheduler_get_data(SOF_SCHEDULE_LL_TIMER), |
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Can we have a comment here stating the long term solution so everyone knows this will be temporary. This can be another PR, feel free to create a feature for this too.
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Alsabat showing some DUT clock drift wrt testing PC. |
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As requested in previous PR thesofproject#4428 Signed-off-by: Marc Herbert <marc.herbert@intel.com>
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As requested in previous PR #4428 Signed-off-by: Marc Herbert <marc.herbert@intel.com>
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As requested in previous PR thesofproject#4428 Signed-off-by: Marc Herbert <marc.herbert@intel.com>
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As requested in previous PR #4428 Signed-off-by: Marc Herbert <marc.herbert@intel.com>
This was referenced Jul 26, 2021
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Fixes the zephyr part of #4356
In XTOS SOF, ipc_send_queued_msg() is run by task_main_primary_core(),
the initialization of which has a hard and circular dependency with the
initialization of the EDF scheduler. This EDF scheduler is not part of
Zephyr. Because of the circular dependency it does not seem
possible (nor desirable?) to refactor this code and make it compatible
with Zephyr. So schedule ipc_send_queued_msg() differently in Zephyr:
using a notifier triggered by the periodic Low Latency scheduler.
Signed-off-by: Marc Herbert marc.herbert@intel.com
Not related to this PR but if you're curious about
NOTIFIER_ID_LL_POST_RUNfind information in #4430