linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Robert Foss <robert.foss@linaro.org>
To: Hsin-Yi Wang <hsinyi@chromium.org>
Cc: Sam Ravnborg <sam@ravnborg.org>,
	Andrzej Hajda <a.hajda@samsung.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Jonas Karlman <jonas@kwiboo.se>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Pi-Hsun Shih <pihsun@chromium.org>, Xin Ji <xji@analogixsemi.com>,
	Tzung-Bi Shih <tzungbi@google.com>,
	Nicolas Boichat <drinkcat@chromium.org>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/bridge: anx7625: Fix edid_read break case in sp_tx_edid_read()
Date: Thu, 18 Nov 2021 15:53:42 +0100	[thread overview]
Message-ID: <CAG3jFyvznd2FD7=fxkEYrck0P3iu4qyKUc326yRHN1Wf90TRXw@mail.gmail.com> (raw)
In-Reply-To: <20211112112433.942075-1-hsinyi@chromium.org>

Hey Hsin-Yi,

Thanks for catching this.

checkpatch --strict is throwing an error for this patch. With that,
feel free to add my r-b.

Reviewed-by: Robert Foss <robert.foss@linaro.org>

On Fri, 12 Nov 2021 at 12:24, Hsin-Yi Wang <hsinyi@chromium.org> wrote:
>
> edid_read() was assumed to return 0 on success. After
> 7f16d0f3b8e2("drm/bridge: anx7625: Propagate errors from sp_tx_rst_aux()"),
> the function can return >= 0 for successful case. Fix the g_edid_break
> condition in sp_tx_edid_read().
>
> Fixes: 7f16d0f3b8e2("drm/bridge: anx7625: Propagate errors from sp_tx_rst_aux()")
> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
> ---
>  drivers/gpu/drm/bridge/analogix/anx7625.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
> index 1a871f6b6822ee..392203b576042b 100644
> --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> @@ -826,7 +826,7 @@ static int sp_tx_edid_read(struct anx7625_data *ctx,
>                                 g_edid_break = edid_read(ctx, offset,
>                                                          pblock_buf);
>
> -                               if (g_edid_break)
> +                               if (g_edid_break < 0)
>                                         break;
>
>                                 memcpy(&pedid_blocks_buf[offset],
> --
> 2.34.0.rc1.387.gb447b232ab-goog
>

  reply	other threads:[~2021-11-18 14:53 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-12 11:24 [PATCH] drm/bridge: anx7625: Fix edid_read break case in sp_tx_edid_read() Hsin-Yi Wang
2021-11-18 14:53 ` Robert Foss [this message]
2021-11-18 16:52 ` Guenter Roeck
2021-11-18 19:08   ` Hsin-Yi Wang

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='CAG3jFyvznd2FD7=fxkEYrck0P3iu4qyKUc326yRHN1Wf90TRXw@mail.gmail.com' \
    --to=robert.foss@linaro.org \
    --cc=a.hajda@samsung.com \
    --cc=airlied@linux.ie \
    --cc=daniel@ffwll.ch \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=drinkcat@chromium.org \
    --cc=hsinyi@chromium.org \
    --cc=jernej.skrabec@gmail.com \
    --cc=jonas@kwiboo.se \
    --cc=laurent.pinchart@ideasonboard.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=narmstrong@baylibre.com \
    --cc=pihsun@chromium.org \
    --cc=sam@ravnborg.org \
    --cc=tzungbi@google.com \
    --cc=xji@analogixsemi.com \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).