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| author | George Shen <george.shen@amd.com> | 2020-12-22 22:05:41 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-02-03 01:37:37 +0300 |
| commit | 2b6b7ab4b1cabfbee1af5d818efcab5d51d62c7e (patch) | |
| tree | b2cab559e1a85aa5f5243545d978d0afd6d5a097 /drivers | |
| parent | cd9b0159beb7787bec38eb339ed7bc167d83b4ff (diff) | |
| download | linux-2b6b7ab4b1cabfbee1af5d818efcab5d51d62c7e.tar.xz | |
drm/amd/display: Fix DPCD translation for LTTPR AUX_RD_INTERVAL
[Why]
The translation between the DPCD value and the specified AUX_RD_INTERVAL
in the DP spec do not match.
[How]
Update values to match the spec.
Signed-off-by: George Shen <george.shen@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index f95bade59624..1e4794e2825c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -892,13 +892,13 @@ static uint32_t translate_training_aux_read_interval(uint32_t dpcd_aux_read_inte switch (dpcd_aux_read_interval) { case 0x01: - aux_rd_interval_us = 400; + aux_rd_interval_us = 4000; break; case 0x02: - aux_rd_interval_us = 4000; + aux_rd_interval_us = 8000; break; case 0x03: - aux_rd_interval_us = 8000; + aux_rd_interval_us = 12000; break; case 0x04: aux_rd_interval_us = 16000; |