diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c index 45a0b25c4ccf..8fd796d987b6 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c @@ -903,11 +903,18 @@ static bool link_detect_evaluate_edid_header(uint8_t edid_header[8]) */ static bool link_detect_ddc_probe(struct dc_link *link) { + enum signal_type signal = link_detect_sink_signal_type(link, DETECT_REASON_HPD); + enum ddc_transaction_type transaction_type = get_ddc_transaction_type(signal); + uint8_t edid_header[8] = {0}; + uint8_t zero = 0; + bool ddc_probed; + if (!link->ddc) return false; - uint8_t edid_header[8] = {0}; - bool ddc_probed = i2c_read(link->ddc, 0x50, edid_header, sizeof(edid_header)); + set_ddc_transaction_type(link->ddc, transaction_type); + + ddc_probed = link_query_ddc_data(link->ddc, 0x50, &zero, 1, edid_header, sizeof(edid_header)); if (!ddc_probed) return false;