diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_aux.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_aux.c | 19 |
1 files changed, 19 insertions, 0 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 87d57e81de12..83d97dfe328f 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c @@ -595,6 +595,25 @@ int dce_aux_transfer_raw(struct ddc_service *ddc, return res; } +int dce_aux_transfer_dmub_raw(struct ddc_service *ddc, + struct aux_payload *payload, + enum aux_return_code_type *operation_result) +{ + struct ddc *ddc_pin = ddc->ddc_pin; + + if (ddc_pin != NULL) { + struct dce_aux *aux_engine = ddc->ctx->dc->res_pool->engines[ddc_pin->pin_data->en]; + /* XXX: Workaround to configure ddc channels for aux transactions */ + if (!acquire(aux_engine, ddc_pin)) { + *operation_result = AUX_RET_ERROR_ENGINE_ACQUIRE; + return -1; + } + release_engine(aux_engine); + } + + return dm_helper_dmub_aux_transfer_sync(ddc->ctx, ddc->link, payload, operation_result); +} + #define AUX_MAX_RETRIES 7 #define AUX_MAX_DEFER_RETRIES 7 #define AUX_MAX_I2C_DEFER_RETRIES 7 |