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drm/amd/display: HDMI has no sound after Panel power off/on

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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>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Charlene Liu 2018-04-06 23:03:12 -04:00 • committed by Alex Deucher
commit af2ac32608
1 changed files with 2 additions and 0 deletions
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drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
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@ -735,6 +735,8 @@ static void dce110_stream_encoder_update_hdmi_info_packets(
if (info_frame->avi.valid) {
const uint32_t *content =
(const uint32_t *) &info_frame->avi.sb[0];
/*we need turn on clock before programming AFMT block*/
REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
REG_WRITE(AFMT_AVI_INFO0, content[0]);