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| author | hersen wu <hersenxs.wu@amd.com> | 2019-03-13 16:25:37 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-06-22 09:34:08 -0500 |
| commit | ec8763486dd3d2fb585c2e6747520406e7dcef98 (patch) | |
| tree | 99121281357097736916f4bf1a7a891aa99171d0 | |
| parent | 9e14d4f17e23ce46d346a6a22a295b4a65b9d918 (diff) | |
| download | linux-ec8763486dd3d2fb585c2e6747520406e7dcef98.tar.bz2 | |
drm/amd/display: navi10 bring up skip dsc encoder config
not needed for bring up.
Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c index c3c218805eb1..130b01801a26 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c @@ -286,6 +286,14 @@ static void enc2_dp_set_dsc_config(struct stream_encoder *enc, uint8_t *dsc_packed_pps) { struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc); + uint32_t dsc_value = 0; + + dsc_value = REG_READ(DP_DSC_CNTL); + + /* dsc disable skip */ + if ((dsc_value & 0x3) == 0x0) + return; + REG_UPDATE_2(DP_DSC_CNTL, DP_DSC_MODE, dsc_mode, |