From: Abhinav Kumar <quic_abhin...@quicinc.com>
For MST cases, EDID is handled through AUX sideband messaging.
Skip the EDID read during hotplug handle for MST cases.
Signed-off-by: Abhinav Kumar <quic_abhin...@quicinc.com>
Signed-off-by: Yongxing Mou <quic_yong...@quicinc.com>
---
drivers/gpu/drm/msm/dp/dp_display.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c
b/drivers/gpu/drm/msm/dp/dp_display.c
index
88cae0ca66015377e59bee757462edeae5ae91bf..b1b025d1d356046f8f9e3d243fc774185df24318
100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -438,9 +438,11 @@ static int msm_dp_display_process_hpd_high(struct
msm_dp_display_private *dp)
if (rc)
goto end;
- rc = msm_dp_panel_read_edid(dp->panel, connector);
- if (rc)
- goto end;
+ if (!dp->mst_supported || !drm_dp_read_mst_cap(dp->aux,
dp->panel->dpcd)) {
+ rc = msm_dp_panel_read_edid(dp->panel, connector);
+ if (rc)
+ goto end;
+ }
msm_dp_link_process_request(dp->link);
--
2.34.1
