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Subject[PATCH 4.16 136/196] drm/amd/display: HDMI has no sound after Panel power off/on
Date
4.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Charlene Liu <charlene.liu@amd.com>

commit af2ac326087da632e9580f65205f4cc4205caf85 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
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]);


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