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[1/3] ASoC: SOF: pm: Set target state earlier

Message ID 20221215185347.1457541-2-ranjani.sridharan@linux.intel.com
State Accepted
Commit 6f95eec6fb89e195dbdf30de65553c7fc57d9372
Headers show
Series ASoC: SOF: Fixes for suspend after firmware crash | expand

Commit Message

Ranjani Sridharan Dec. 15, 2022, 6:53 p.m. UTC 
If the DSP crashes before the system suspends, the setting of target state
will be skipped because the firmware state will no longer be
SOF_FW_BOOT_COMPLETE. This leads to the incorrect assumption that the
DSP should suspend to D0I3 instead of suspending to D3. To fix this,
set the target_state before we skip to DSP suspend even when the DSP has
crashed.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Curtis Malainey <cujomalainey@chromium.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
---
 sound/soc/sof/pm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index df740be645e8..5f88c4a01fa3 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -182,7 +182,7 @@  static int sof_suspend(struct device *dev, bool runtime_suspend)
 	const struct sof_ipc_pm_ops *pm_ops = sdev->ipc->ops->pm;
 	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
 	pm_message_t pm_state;
-	u32 target_state = 0;
+	u32 target_state = snd_sof_dsp_power_target(sdev);
 	int ret;
 
 	/* do nothing if dsp suspend callback is not set */
@@ -206,7 +206,6 @@  static int sof_suspend(struct device *dev, bool runtime_suspend)
 		}
 	}
 
-	target_state = snd_sof_dsp_power_target(sdev);
 	pm_state.event = target_state;
 
 	/* Skip to platform-specific suspend if DSP is entering D0 */