All of lore.kernel.org
 help / color / mirror / Atom feed
From: ainux.wang@gmail.com
To: airlied@redhat.com, tzimmermann@suse.de, airlied@linux.ie,
	daniel@ffwll.ch, ainux.wang@gmail.com
Cc: sterlingteng@gmail.com, chenhuacai@kernel.org,
	dri-devel@lists.freedesktop.org
Subject: [PATCH] drm/ast: Zero is missing in detect function
Date: Fri, 16 Jul 2021 09:56:15 +0800	[thread overview]
Message-ID: <20210716015615.9150-1-ainux.wang@gmail.com> (raw)

From: "Ainux.Wang" <ainux.wang@gmail.com>

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>
---
 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 e5996ae03c49..b7dcf7821ec6 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -1299,7 +1299,7 @@ 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;
-- 
2.18.1


             reply	other threads:[~2021-07-16  7:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-16  1:56 ainux.wang [this message]
2021-07-16  6:29 ` [PATCH] drm/ast: Zero is missing in detect function Thomas Zimmermann
2021-07-16  9:45   ` Ainux Wang
2021-07-20  8:57 ` Thomas Zimmermann

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210716015615.9150-1-ainux.wang@gmail.com \
    --to=ainux.wang@gmail.com \
    --cc=airlied@linux.ie \
    --cc=airlied@redhat.com \
    --cc=chenhuacai@kernel.org \
    --cc=daniel@ffwll.ch \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=sterlingteng@gmail.com \
    --cc=tzimmermann@suse.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.