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| author | Rander Wang <rander.wang@intel.com> | 2023-02-14 12:33:43 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-02-14 13:25:13 +0000 |
| commit | 1c91e927e55cef17bafd8903cb34a7d12968ae6d (patch) | |
| tree | a8e3904994ff809f07f0218c6087b0b3cd965197 /sound/soc/sof/ipc4.c | |
| parent | 3c168838fb0d64dd64f7d65cdbd7d127ce6112ef (diff) | |
| download | lwn-1c91e927e55cef17bafd8903cb34a7d12968ae6d.tar.gz lwn-1c91e927e55cef17bafd8903cb34a7d12968ae6d.zip | |
ASoC: SOF: ipc4: Wake up dsp core before sending ipc msg
The driver shall update the power state to D0i0 before sending
a generic IPC. Power-related IPCs are the exception to the rule,
they may be sent even when the power-state is D0i3
Signed-off-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230214103345.30669-4-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/ipc4.c')
| -rw-r--r-- | sound/soc/sof/ipc4.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/soc/sof/ipc4.c b/sound/soc/sof/ipc4.c index b27ec16ebdfa..8ede4b952997 100644 --- a/sound/soc/sof/ipc4.c +++ b/sound/soc/sof/ipc4.c @@ -370,6 +370,17 @@ static int sof_ipc4_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_ if (!msg_data) return -EINVAL; + if (!no_pm) { + const struct sof_dsp_power_state target_state = { + .state = SOF_DSP_PM_D0, + }; + + /* ensure the DSP is in D0i0 before sending a new IPC */ + ret = snd_sof_dsp_set_power_state(sdev, &target_state); + if (ret < 0) + return ret; + } + /* Serialise IPC TX */ mutex_lock(&ipc->tx_mutex); |