ASoC: SOF: update dsp core power status in common APIs

Only manage enabled_cores_mask in common snd_sof_dsp_core_power_up/down
APIs to ensure it stays in sync with actual DSP core state.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20210128093850.1041387-4-kai.vehmanen@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/loader.c

@@ -811,7 +811,6 @@ EXPORT_SYMBOL(snd_sof_load_firmware);
 int snd_sof_run_firmware(struct snd_sof_dev *sdev)
 {
 	int ret;
-	int init_core_mask;
 
 	init_waitqueue_head(&sdev->boot_wait);
 
@@ -843,8 +842,6 @@ int snd_sof_run_firmware(struct snd_sof_dev *sdev)
 		return ret;
 	}
 
-	init_core_mask = ret;
-
 	/*
 	 * now wait for the DSP to boot. There are 3 possible outcomes:
 	 * 1. Boot wait times out indicating FW boot failure.
@@ -874,9 +871,6 @@ int snd_sof_run_firmware(struct snd_sof_dev *sdev)
 		return ret;
 	}
 
-	/* fw boot is complete. Update the active cores mask */
-	sdev->enabled_cores_mask = init_core_mask;
-
 	return 0;
 }
 EXPORT_SYMBOL(snd_sof_run_firmware);

sound/soc/sof/ops.h

@@ -76,19 +76,29 @@ static inline int snd_sof_dsp_reset(struct snd_sof_dev *sdev)
 static inline int snd_sof_dsp_core_power_up(struct snd_sof_dev *sdev,
 					    unsigned int core_mask)
 {
-	if (sof_ops(sdev)->core_power_up)
-		return sof_ops(sdev)->core_power_up(sdev, core_mask);
+	int ret = 0;
 
-	return 0;
+	if (sof_ops(sdev)->core_power_up) {
+		ret = sof_ops(sdev)->core_power_up(sdev, core_mask);
+		if (!ret)
+			sdev->enabled_cores_mask |= core_mask;
+	}
+
+	return ret;
 }
 
 static inline int snd_sof_dsp_core_power_down(struct snd_sof_dev *sdev,
 					      unsigned int core_mask)
 {
-	if (sof_ops(sdev)->core_power_down)
-		return sof_ops(sdev)->core_power_down(sdev, core_mask);
+	int ret = 0;
 
-	return 0;
+	if (sof_ops(sdev)->core_power_down) {
+		ret = sof_ops(sdev)->core_power_down(sdev, core_mask);
+		if (!ret)
+			sdev->enabled_cores_mask &= ~core_mask;
+	}
+
+	return ret;
 }
 
 /* pre/post fw load */

sound/soc/sof/pm.c

@@ -256,7 +256,6 @@ static int sof_suspend(struct device *dev, bool runtime_suspend)
 
 	/* reset FW state */
 	sdev->fw_state = SOF_FW_BOOT_NOT_STARTED;
-	sdev->enabled_cores_mask = 0;
 
 	return ret;
 }

sound/soc/sof/topology.c

@@ -1352,10 +1352,6 @@ static int sof_core_enable(struct snd_sof_dev *sdev, int core)
 			core, ret);
 		goto err;
 	}
-
-	/* update enabled cores mask */
-	sdev->enabled_cores_mask |= BIT(core);
-
 	return ret;
 err:
 	/* power down core if it is host managed and return the original error if this fails too */
@@ -2603,10 +2599,6 @@ static int sof_widget_unload(struct snd_soc_component *scomp,
 		if (ret < 0)
 			dev_err(scomp->dev, "error: powering down pipeline schedule core %d\n",
 				pipeline->core);
-
-		/* update enabled cores mask */
-		sdev->enabled_cores_mask &= ~(1 << pipeline->core);
-
 		break;
 	default:
 		break;