blob: 13ee9105dcaa93fa3e798c206259f940f2500a5b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
From 6995adc6b026a1f5b3cfbf35ea5ab269af5e21d0 Mon Sep 17 00:00:00 2001
From: Wenjing Liu <Wenjing.Liu@amd.com>
Date: Tue, 22 Aug 2017 15:49:57 -0400
Subject: [PATCH 1003/4131] drm/amd/display: Fix return value from rx irq
handler on up request
Change-Id: Ifa864d3788ae34a6dfa315bd4148f5d5c4ae0c5a
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@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 e35bdce..e19447d 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.
--
2.7.4
|