From 8551dbb39be200f208d8bdab2e9a273830d05e12 Mon Sep 17 00:00:00 2001 From: Charlene Liu Date: Fri, 6 Apr 2018 23:03:12 -0400 Subject: [PATCH 4214/5725] drm/amd/display: HDMI has no sound after Panel power off/on Signed-off-by: Charlene Liu Reviewed-by: Krunoslav Kovac Acked-by: Harry Wentland Cc: stable@vger.kernel.org --- drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c index 07c3242..84e26c8 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c @@ -718,6 +718,8 @@ 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]); -- 2.7.4