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| author | Michael Strauss <michael.strauss@amd.com> | 2023-06-22 15:30:24 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-08-15 18:08:27 -0400 |
| commit | ad5594ad41de08f01cb46a2263a1145c58bccee6 (patch) | |
| tree | 6855ce3a65bf9bc9591540b17e7653b839a0c3e4 /drivers/gpu/drm/amd/display/dc/inc/link.h | |
| parent | dba24294ff3ac025103737ac4c44b92deb71edcb (diff) | |
| download | linux-stable-ad5594ad41de08f01cb46a2263a1145c58bccee6.tar.gz linux-stable-ad5594ad41de08f01cb46a2263a1145c58bccee6.tar.bz2 linux-stable-ad5594ad41de08f01cb46a2263a1145c58bccee6.zip | |
drm/amd/display: Support Compliance Test Pattern Generation with DP2 Retimer
[WHY]
Certain retimer requires workarounds in order to correctly output test patterns.
[HOW]
Add vendor-specific aux sequences to program retimer's TX and pattern generator
when specific compliance test patterns are requested by sink.
Note: SQ128 w/a in DPMF mode only works in one flip orientation currently
Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/link.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/link.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link.h b/drivers/gpu/drm/amd/display/dc/inc/link.h index c07096e59201..e3e8c76c17cf 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/link.h +++ b/drivers/gpu/drm/amd/display/dc/inc/link.h @@ -179,6 +179,10 @@ struct link_service { int (*aux_transfer_raw)(struct ddc_service *ddc, struct aux_payload *payload, enum aux_return_code_type *operation_result); + bool (*configure_fixed_vs_pe_retimer)( + struct ddc_service *ddc, + const uint8_t *data, + uint32_t len); bool (*aux_transfer_with_retries_no_mutex)(struct ddc_service *ddc, struct aux_payload *payload); bool (*is_in_aux_transaction_mode)(struct ddc_service *ddc); |