[PATCH v2 1/3] drm: zynqmp_dp: Update connector state before AUX transfers

[Sean Anderson]

We still want to retry AUX transfers even when the connector is first
plugged in. Update the connector state before reading the DPDC to ensure
the AUX bus sees the most-recent state.

Fixes: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem")
Signed-off-by: Sean Anderson <sean.anderson at linux.dev>
---

(no changes since v1)

 drivers/gpu/drm/xlnx/zynqmp_dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c
index 34ddbf98e81d..f39c78b08e6a 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_dp.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c
@@ -1697,6 +1697,7 @@ static enum drm_connector_status __zynqmp_dp_bridge_detect(struct zynqmp_dp *dp)
 	}
 
 	if (state & ZYNQMP_DP_INTERRUPT_SIGNAL_STATE_HPD) {
+		dp->status = connector_status_connected;
 		ret = drm_dp_dpcd_read(&dp->aux, 0x0, dp->dpcd,
 				       sizeof(dp->dpcd));
 		if (ret < 0) {
@@ -1711,7 +1712,6 @@ static enum drm_connector_status __zynqmp_dp_bridge_detect(struct zynqmp_dp *dp)
 					       drm_dp_max_lane_count(dp->dpcd),
 					       dp->num_lanes);
 
-		dp->status = connector_status_connected;
 		return connector_status_connected;
 	}
 
-- 
2.35.1.1320.gc452695387.dirty