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-rw-r--r--sound/pci/hda/patch_hdmi.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index f6a97607e522..7bd89bf62559 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -2818,6 +2818,10 @@ static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
#define ATI_VERB_GET_MULTICHANNEL_7 0xf88
#define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89
+/* AMD specific HDA cvt verbs */
+#define ATI_VERB_SET_RAMP_RATE 0x770
+#define ATI_VERB_GET_RAMP_RATE 0xf70
+
#define ATI_OUT_ENABLE 0x1
#define ATI_MULTICHANNEL_MODE_PAIRED 0
@@ -3049,6 +3053,23 @@ static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
return 0;
}
+static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
+ hda_nid_t pin_nid, u32 stream_tag, int format)
+{
+
+ if (is_amdhdmi_rev3_or_later(codec)) {
+ int ramp_rate = 180; /* default as per AMD spec */
+ /* disable ramp-up/down for non-pcm as per AMD spec */
+ if (format & AC_FMT_TYPE_NON_PCM)
+ ramp_rate = 0;
+
+ snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
+ }
+
+ return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
+}
+
+
static int atihdmi_init(struct hda_codec *codec)
{
struct hdmi_spec *spec = codec->spec;
@@ -3095,6 +3116,7 @@ static int patch_atihdmi(struct hda_codec *codec)
spec->ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
+ spec->ops.setup_stream = atihdmi_setup_stream;
if (!has_amd_full_remap_support(codec)) {
/* override to ATI/AMD-specific versions with pairwise mapping */