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[2/2] ASoC: SOF: Intel: disable traces when switching to S0Ix D0I3

Message ID 20200727183613.1419005-3-ranjani.sridharan@linux.intel.com (mailing list archive)
State Accepted
Commit 79560b8aeb01a715f75060e40085e641248bee51
Headers show
Series SOF Fixes for S0iX suspend/resume sequence | expand

Commit Message

Ranjani Sridharan July 27, 2020, 6:36 p.m. UTC 
From: Marcin Rajwa <marcin.rajwa@linux.intel.com>

We should always disable DMA trace on S0Ix. When staying at S0-D0I3,
we should enable DMA trace while both DMA Trace debug is enabled and
hda_enable_trace_D0I3_S0 is set. This commit corrects the existed
logic errors about that.

Signed-off-by: Marcin Rajwa <marcin.rajwa@linux.intel.com>
Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
---
 sound/soc/sof/intel/hda-dsp.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
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Patch

diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c
index 89961397010a..ed4d65a29d3a 100644
--- a/sound/soc/sof/intel/hda-dsp.c
+++ b/sound/soc/sof/intel/hda-dsp.c
@@ -408,11 +408,13 @@  static int hda_dsp_set_D0_state(struct snd_sof_dev *sdev,
 		value = SOF_HDA_VS_D0I3C_I3;
 
 		/*
-		 * Trace DMA is disabled by default when the DSP enters D0I3.
-		 * But it can be kept enabled when the DSP enters D0I3 while the
-		 * system is in S0 for debug.
+		 * Trace DMA need to be disabled when the DSP enters
+		 * D0I3 for S0Ix suspend, but it can be kept enabled
+		 * when the DSP enters D0I3 while the system is in S0
+		 * for debug purpose.
 		 */
-		if (hda_enable_trace_D0I3_S0 &&
+		if (!sdev->dtrace_is_supported ||
+		    !hda_enable_trace_D0I3_S0 ||
 		    sdev->system_suspend_target != SOF_SUSPEND_NONE)
 			flags = HDA_PM_NO_DMA_TRACE;
 	} else {