Commit 9a725704 authored by Meenakshikumar Somasundaram's avatar Meenakshikumar Somasundaram Committed by Alex Deucher
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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: default avatarMeenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Reviewed-by: default avatarEric Yang <eric.yang@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarRodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c9bfc37f

drivers/gpu/drm/amd/display/dc/dce/dce_aux.c

+9 −1
Original line number Diff line number Diff line
@@ -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);



		/* 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",