[PATCH 45/77] drm/amd/display: Fix return value from rx irq handler on up request

[Harry Wentland]

From: Wenjing Liu <Wenjing.Liu at amd.com>

Change-Id: Ifa864d3788ae34a6dfa315bd4148f5d5c4ae0c5a
Signed-off-by: Wenjing Liu <Wenjing.Liu at amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index e35bdce6a0f3..e19447d526ea 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -1964,11 +1964,11 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd
 	 * so do not handle as a normal sink status change interrupt.
 	 */
 
+	if (hpd_irq_dpcd_data.bytes.device_service_irq.bits.UP_REQ_MSG_RDY)
+		return true;
+
 	/* check if we have MST msg and return since we poll for it */
-	if (hpd_irq_dpcd_data.bytes.device_service_irq.
-			bits.DOWN_REP_MSG_RDY ||
-		hpd_irq_dpcd_data.bytes.device_service_irq.
-			bits.UP_REQ_MSG_RDY)
+	if (hpd_irq_dpcd_data.bytes.device_service_irq.bits.DOWN_REP_MSG_RDY)
 		return false;
 
 	/* For now we only handle 'Downstream port status' case.
-- 
2.11.0