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From 612f27d890c191a3d0afc4aa0a74c23f2bcd90bb Mon Sep 17 00:00:00 2001
From: Charlene Liu <charlene.liu@amd.com>
Date: Tue, 9 Jan 2018 17:24:10 -0500
Subject: [PATCH 3259/4131] drm/amd/display: disable az_clock_gating for
endpoint register access only
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
---
drivers/gpu/drm/amd/display/dc/dce/dce_audio.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c
index 0df9ecb..e366bfd 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c
@@ -359,7 +359,10 @@ void dce_aud_az_enable(struct audio *audio)
AUDIO_ENABLED);
AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value);
- value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL);
+ set_reg_field_value(value, 0,
+ AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
+ CLOCK_GATING_DISABLE);
+ AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value);
dm_logger_write(CTX->logger, LOG_HW_AUDIO,
"\n\t========= AUDIO:dce_aud_az_enable: index: %u data: 0x%x\n",
@@ -372,6 +375,10 @@ void dce_aud_az_disable(struct audio *audio)
struct dce_audio *aud = DCE_AUD(audio);
value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL);
+ set_reg_field_value(value, 1,
+ AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
+ CLOCK_GATING_DISABLE);
+ AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value);
set_reg_field_value(value, 0,
AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
@@ -716,6 +723,11 @@ void dce_aud_az_configure(
DESCRIPTION17);
AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_SINK_INFO8, value);
+ value = AZ_REG_READ(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL);
+ set_reg_field_value(value, 0,
+ AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
+ CLOCK_GATING_DISABLE);
+ AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value);
}
/*
@@ -897,6 +909,10 @@ void dce_aud_hw_init(
REG_UPDATE_2(AZALIA_F0_CODEC_FUNCTION_PARAMETER_POWER_STATES,
CLKSTOP, 1,
EPSS, 1);
+ set_reg_field_value(value, 0,
+ AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
+ CLOCK_GATING_DISABLE);
+ AZ_REG_WRITE(AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL, value);
}
static const struct audio_funcs funcs = {
--
2.7.4
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