4.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Charlene Liu <charlene.liu@xxxxxxx> commit af2ac326087da632e9580f65205f4cc4205caf85 upstream. Signed-off-by: Charlene Liu <charlene.liu@xxxxxxx> Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@xxxxxxx> Acked-by: Harry Wentland <harry.wentland@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c @@ -736,6 +736,8 @@ static void dce110_stream_encoder_update 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]);