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authorCharlene Liu <charlene.liu@amd.com>2018-04-07 06:03:12 +0300
committerAlex Deucher <alexander.deucher@amd.com>2018-04-11 21:16:10 +0300
commitaf2ac326087da632e9580f65205f4cc4205caf85 (patch)
treed5a04602687f0dcfc2c69121f84c551f7230ba3e /drivers/gpu
parent1b59fb036a3e2a5bc4ce3d02c3fb473e595400c9 (diff)
downloadlinux-af2ac326087da632e9580f65205f4cc4205caf85.tar.xz
drm/amd/display: HDMI has no sound after Panel power off/on
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c2
1 files changed, 2 insertions, 0 deletions
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 444558ca6533..162f6a6c4208 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
@@ -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]);