From b07362b6e1e451ed6058b573b7eb6a7bc5bbf48e Mon Sep 17 00:00:00 2001
From: "Ainux.Wang" <ainux.wang@gmail.com>
Date: Fri, 16 Jul 2021 09:56:15 +0800
Subject: drm/ast: Zero is missing in detect function
Git-commit: 572994bf18ff4512207164b3643a61909dcaa603
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
The function ast_get_modes() will also return 0, when it try to get the
edid, but it also do not get the edid.
Signed-off-by: Ainux.Wang <ainux.wang@gmail.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210716015615.9150-1-ainux.wang@gmail.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/ast/ast_mode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index f5d58c3088fe..f32da620a123 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -1298,7 +1298,7 @@ static enum drm_connector_status ast_connector_detect(struct drm_connector
int r;
r = ast_get_modes(connector);
- if (r < 0)
+ if (r <= 0)
return connector_status_disconnected;
return connector_status_connected;
--
2.38.1