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drm/amd/display: skip audio config for virtual signal

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[WHY & HOW]
IGT's kms_hdmi_inject (subtest inject_audio) triggers a warning message
from dce_aud_az_configure. This can be fixed by checking Virtual signal
that does not need to configure AZ audio since it does not have any.

Reviewed-by: Rodrigo Siqueira <[email protected]>
Acked-by: Wayne Lin <[email protected]>
Signed-off-by: Alex Hung <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
This commit is contained in:
Alex Hung
2023-09-26 17:00:21 -04:00
committed by Alex Deucher
parent f7f9e48fa8
commit a73d4e88db
1 changed files with 4 additions and 0 deletions
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drivers/gpu/drm/amd/display/dc/dce/dce_audio.c
+4
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@@ -407,6 +407,10 @@ void dce_aud_az_configure(
bool is_ac3_supported = false;
union audio_sample_rates sample_rate;
uint32_t strlen = 0;
if (signal == SIGNAL_TYPE_VIRTUAL)
return;
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,