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drm/amd/display: fix seq issue: turn on clock before programming afmt.

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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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Charlene Liu 2017-11-15 18:27:31 -05:00 committed by Alex Deucher
parent 096480eac6
commit c984d06b7b
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
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@ -87,8 +87,10 @@ static void dce110_update_generic_info_packet(
*/
uint32_t max_retries = 50;
REG_GET(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, &regval);
/*we need turn on clock before programming AFMT block*/
REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
if (regval != 1)
REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1);
if (REG(AFMT_VBI_PACKET_CONTROL1)) {
if (packet_index >= 8)