From: CK Hu <ck.hu@mediatek.com>
To: Bibby Hsieh <bibby.hsieh@mediatek.com>
Cc: linux-kernel@vger.kernel.org,
Sascha Hauer <kernel@pengutronix.de>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
Cawa Cheng <cawa.cheng@mediatek.com>,
dri-devel@lists.freedesktop.org,
Mao Huang <littlecvr@chromium.org>,
linux-mediatek@lists.infradead.org,
Matthias Brugger <matthias.bgg@gmail.com>,
Yingjoe Chen <yingjoe.chen@mediatek.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] drm/mediatek: hdmi: Filter interlaced resolutions
Date: Tue, 24 Jan 2017 14:12:45 +0800 [thread overview]
Message-ID: <1485238365.30572.5.camel@mtksdaap41> (raw)
In-Reply-To: <1485234604-19889-1-git-send-email-bibby.hsieh@mediatek.com>
Hi, Bibby:
On Tue, 2017-01-24 at 13:10 +0800, Bibby Hsieh wrote:
> Current Mediatek DRM driver does not support interlaced mode, and
> will hang if such resolution is used: Filter those to prevent
> kernel hangs, until the DRM driver is fixed properly.
>
> Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Acked-by: CK Hu <ck.hu@mediatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_hdmi.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> index 0e8c4d9..e33678d 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> @@ -1244,6 +1244,8 @@ static int mtk_hdmi_conn_mode_valid(struct drm_connector *conn,
> return MODE_BAD;
> }
>
> + if (mode->flags & DRM_MODE_FLAG_INTERLACE)
> + return MODE_NO_INTERLACE;
> if (mode->clock < 27000)
> return MODE_CLOCK_LOW;
> if (mode->clock > 297000)
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2017-01-24 6:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-24 5:10 [PATCH] drm/mediatek: hdmi: Filter interlaced resolutions Bibby Hsieh
2017-01-24 6:12 ` CK Hu [this message]
2017-05-23 9:28 ` CK Hu
2017-05-23 13:12 ` Daniel Vetter
2017-05-24 9:20 ` CK Hu
2017-05-24 12:24 ` Daniel Vetter
2017-05-25 3:38 ` CK Hu
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=1485238365.30572.5.camel@mtksdaap41 \
--to=ck.hu@mediatek.com \
--cc=bibby.hsieh@mediatek.com \
--cc=cawa.cheng@mediatek.com \
--cc=daniel.vetter@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=kernel@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=littlecvr@chromium.org \
--cc=matthias.bgg@gmail.com \
--cc=yingjoe.chen@mediatek.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