diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 3af2b429ff1bfe7e680bde1c601df25cd469799e..779d0b60cac9140aeb2cd30ca3aab2c88e490311 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -113,6 +113,7 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
 			result = -EIO;
 			break;
 		case AUX_CHANNEL_OPERATION_FAILED_INVALID_REPLY:
+		case AUX_CHANNEL_OPERATION_FAILED_ENGINE_ACQUIRE:
 			result = -EBUSY;
 			break;
 		case AUX_CHANNEL_OPERATION_FAILED_TIMEOUT:
diff --git a/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h b/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h
index 4ef97f65e55ddc8bf6c877317ff537cf97dc8f9c..4f8f576d5fcfb6ebc3845e0db3a49bbf98ed73ec 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_ddc_types.h
@@ -49,7 +49,8 @@ enum aux_channel_operation_result {
 	AUX_CHANNEL_OPERATION_FAILED_REASON_UNKNOWN,
 	AUX_CHANNEL_OPERATION_FAILED_INVALID_REPLY,
 	AUX_CHANNEL_OPERATION_FAILED_TIMEOUT,
-	AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON
+	AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON,
+	AUX_CHANNEL_OPERATION_FAILED_ENGINE_ACQUIRE
 };
 
 
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 976bd4987a28ffc4f7f299fda45cd51e137fa287..22abb345ddc12732a5063f3cb9b9782f6ab18ab2 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c
@@ -538,8 +538,10 @@ int dce_aux_transfer_raw(struct ddc_service *ddc,
 	memset(&aux_rep, 0, sizeof(aux_rep));
 
 	aux_engine = ddc->ctx->dc->res_pool->engines[ddc_pin->pin_data->en];
-	if (!acquire(aux_engine, ddc_pin))
+	if (!acquire(aux_engine, ddc_pin)) {
+		*operation_result = AUX_CHANNEL_OPERATION_FAILED_ENGINE_ACQUIRE;
 		return -1;
+	}
 
 	if (payload->i2c_over_aux)
 		aux_req.type = AUX_TRANSACTION_TYPE_I2C;
@@ -663,6 +665,7 @@ bool dce_aux_transfer_with_retries(struct ddc_service *ddc,
 			break;
 
 		case AUX_CHANNEL_OPERATION_FAILED_HPD_DISCON:
+		case AUX_CHANNEL_OPERATION_FAILED_ENGINE_ACQUIRE:
 		case AUX_CHANNEL_OPERATION_FAILED_REASON_UNKNOWN:
 		default:
 			goto fail;