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| author | Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com> | 2024-07-10 12:58:20 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-08-06 10:34:34 -0400 |
| commit | 9a72570491b524c9dc4c1caa7323b2297c27b0b7 (patch) | |
| tree | b5c7c01b3f37e50a3268ec5f103b2e9b1f6ea932 /drivers/gpu/drm/amd/display/dc/dce | |
| parent | c9bfc37f085aa180b3c49b9c95756b9ef032243e (diff) | |
| download | linux-9a72570491b524c9dc4c1caa7323b2297c27b0b7.tar.gz linux-9a72570491b524c9dc4c1caa7323b2297c27b0b7.tar.bz2 linux-9a72570491b524c9dc4c1caa7323b2297c27b0b7.zip | |
drm/amd/display: Enable aux transfer path via dmub for dp tunneling
[Why]
Aux transfer retries path does not support dp tunneling.
[How]
Based on ddc pin check, aux will be issued in legacy path or DMUB.
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Reviewed-by: Eric Yang <eric.yang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Rodrigo Siqueira <rodrigo.siqueira@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_aux.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c index b8996d285f00..bb4ac5042c80 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c @@ -735,7 +735,15 @@ bool dce_aux_transfer_with_retries(struct ddc_service *ddc, (unsigned int) payload->mot); if (payload->write) dce_aux_log_payload(" write", payload->data, payload->length, 16); - ret = dce_aux_transfer_raw(ddc, payload, &operation_result); + + /* Check whether aux to be processed via dmub or dcn directly */ + if (ddc->ctx->dc->debug.enable_dmub_aux_for_legacy_ddc + || ddc->ddc_pin == NULL) { + ret = dce_aux_transfer_dmub_raw(ddc, payload, &operation_result); + } else { + ret = dce_aux_transfer_raw(ddc, payload, &operation_result); + } + DC_TRACE_LEVEL_MESSAGE(DAL_TRACE_LEVEL_INFORMATION, LOG_FLAG_I2cAux_DceAux, "dce_aux_transfer_with_retries: link_index=%u: END: retry %d of %d: address=0x%04x length=%u write=%d mot=%d: ret=%d operation_result=%d payload->reply=%u", |