Track the converters handling the silent stream using a new variable to avoid mixing of the open/close and silent stream use. This change ensures the proper allocation of the converters.

Fixes: 5f80d6bd2b01 ("ALSA: hda/hdmi: Fix the converter reuse for the silent stream")

Cc: Kai Vehmanen kai.vehmanen@linux.intel.com Signed-off-by: Jaroslav Kysela perex@perex.cz --- sound/pci/hda/patch_hdmi.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 4576af4cff90..dc36af2928b7 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -54,6 +54,7 @@ MODULE_PARM_DESC(enable_all_pins, "Forcibly enable all pins"); struct hdmi_spec_per_cvt { hda_nid_t cvt_nid; bool assigned; /* the stream has been assigned */ + bool silent_stream; /* silent stream activated */ unsigned int channels_min; unsigned int channels_max; u32 rates; @@ -977,7 +978,8 @@ static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, * of the pin. */ static int hdmi_choose_cvt(struct hda_codec *codec, - int pin_idx, int *cvt_id) + int pin_idx, int *cvt_id, + bool silent) { struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_pin *per_pin; @@ -992,6 +994,9 @@ static int hdmi_choose_cvt(struct hda_codec *codec,

if (per_pin && per_pin->silent_stream) { cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid); + per_cvt = get_cvt(spec, cvt_idx); + if (per_cvt->assigned && !silent) + return -EBUSY; if (cvt_id) *cvt_id = cvt_idx; return 0; @@ -1002,7 +1007,7 @@ static int hdmi_choose_cvt(struct hda_codec *codec, per_cvt = get_cvt(spec, cvt_idx);

/* Must not already be assigned */ - if (per_cvt->assigned) + if (per_cvt->assigned || per_cvt->silent_stream) continue; if (per_pin == NULL) break; @@ -1188,7 +1193,7 @@ static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo, if (pcm_idx < 0) return -EINVAL;

- err = hdmi_choose_cvt(codec, -1, &cvt_idx); + err = hdmi_choose_cvt(codec, -1, &cvt_idx, false); if (err) return err;

@@ -1256,7 +1261,7 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, } }

- err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx); + err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, false); if (err < 0) goto unlock;

@@ -1267,7 +1272,6 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, set_bit(pcm_idx, &spec->pcm_in_use); per_pin = get_pin(spec, pin_idx); per_pin->cvt_nid = per_cvt->cvt_nid; - per_pin->silent_stream = false; hinfo->nid = per_cvt->cvt_nid;

/* flip stripe flag for the assigned stream if supported */ @@ -1749,14 +1753,14 @@ static void silent_stream_enable(struct hda_codec *codec, }

pin_idx = pin_id_to_pin_index(codec, per_pin->pin_nid, per_pin->dev_id); - err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx); + err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, true); if (err) { codec_err(codec, "hdmi: no free converter to enable silent mode\n"); goto unlock_out; }

per_cvt = get_cvt(spec, cvt_idx); - per_cvt->assigned = true; + per_cvt->silent_stream = true; per_pin->cvt_nid = per_cvt->cvt_nid; per_pin->silent_stream = true;

@@ -1816,7 +1820,7 @@ static void silent_stream_disable(struct hda_codec *codec, cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid); if (cvt_idx >= 0 && cvt_idx < spec->num_cvts) { per_cvt = get_cvt(spec, cvt_idx); - per_cvt->assigned = false; + per_cvt->silent_stream = false; }

if (spec->silent_stream_type == SILENT_STREAM_I915) {