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(-)
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 */