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| author | Charlene Liu <charlene.liu@amd.com> | 2017-11-16 02:27:31 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-11-29 01:55:48 +0300 |
| commit | 2b7c97d687e81db07d8c67b32ff920e7bf59444e (patch) | |
| tree | 0d6d4d2fadc32515c5921ef02e03ea6fefb8371e /drivers/gpu/drm/amd/display/dc/dce | |
| parent | 2f2c3b36fc5a3dc9fd2cf22a2f368502a70eea5d (diff) | |
| download | linux-2b7c97d687e81db07d8c67b32ff920e7bf59444e.tar.xz | |
drm/amd/display: fix seq issue: turn on clock before programming afmt.
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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c | 5 |
1 files changed, 5 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 4fd49a16c3b6..c04d67db9cea 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 @@ -87,6 +87,11 @@ static void dce110_update_generic_info_packet( */ uint32_t max_retries = 50; + REG_GET(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, ®val); + /*we need turn on clock before programming AFMT block*/ + if (regval != 1) + REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); + if (REG(AFMT_VBI_PACKET_CONTROL1)) { if (packet_index >= 8) ASSERT(0); |