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| author | Michael Strauss <michael.strauss@amd.com> | 2021-09-13 13:47:13 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-09-28 09:30:09 -0400 |
| commit | b089ebaaddb0883bae9a1a28401ae9fadc39a83b (patch) | |
| tree | 14b5cb7430a0db88c586d845d286e42191a05fb7 /drivers/gpu | |
| parent | bf72ca73aaa6629568cb9b0761be6efdd02a2591 (diff) | |
| download | linux-b089ebaaddb0883bae9a1a28401ae9fadc39a83b.tar.gz linux-b089ebaaddb0883bae9a1a28401ae9fadc39a83b.tar.bz2 linux-b089ebaaddb0883bae9a1a28401ae9fadc39a83b.zip | |
drm/amd/display: Don't enable AFMT for DP audio stream
[WHY]
AFMT is unused for DP audio, so powering it on for DP is unnecessary.
[HOW]
APG block should be powered down instead, however HW defaults to shutdown
state when not enabled so no further work is required.
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c | 2 |
2 files changed, 0 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c index a97bdaa54f73..687c3c6881a9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c @@ -1402,11 +1402,6 @@ static void enc1_se_disable_dp_audio( struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); uint32_t value = 0; -#if defined(CONFIG_DRM_AMD_DC_DCN) - if (enc->afmt && enc->afmt->funcs->afmt_powerdown) - enc->afmt->funcs->afmt_powerdown(enc->afmt); -#endif - /* Disable Audio packets */ REG_UPDATE_5(DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 0, diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c index 3ea6dacec80c..ebd9c35c914f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dio_stream_encoder.c @@ -710,8 +710,6 @@ static void enc3_se_setup_dp_audio( static void enc3_se_dp_audio_enable( struct stream_encoder *enc) { - if (enc->afmt->funcs->afmt_poweron) - enc->afmt->funcs->afmt_poweron(enc->afmt); enc1_se_enable_audio_clock(enc, true); enc3_se_setup_dp_audio(enc); enc1_se_enable_dp_audio(enc); |