diff options
| author | Charlene Liu <charlene.liu@amd.com> | 2018-01-09 17:24:10 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:18:38 -0500 |
| commit | 701ed303b2c064a529277a6b1b53fccb53fe758b (patch) | |
| tree | 9b6f8533692f95d458563f1a01f497f2b69645ca | |
| parent | af1b00cdc6f562a748d04fa333d5780f496199a1 (diff) | |
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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_audio.c | 18 |
1 files changed, 17 insertions, 1 deletions
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 0df9ecb2710c..e366bfd7cf6f 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 = { |