From: Maxime Ripard <mripard@kernel.org>
To: Liu Ying <victor.liu@nxp.com>
Cc: Luca Ceresoli <luca.ceresoli@bootlin.com>,
Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <rfoss@kernel.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>,
Simona Vetter <simona@ffwll.ch>, Frank Li <Frank.Li@nxp.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
dri-devel@lists.freedesktop.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] drm/bridge: imx93-mipi-dsi: Fix mode validation
Date: Mon, 22 Jun 2026 11:38:19 +0200 [thread overview]
Message-ID: <20260622-strong-messy-hare-2372cd@houat> (raw)
In-Reply-To: <ajjpuroFPI_U2Fw6@raspi>
[-- Attachment #1: Type: text/plain, Size: 582 bytes --]
On Mon, Jun 22, 2026 at 03:52:26PM +0800, Liu Ying wrote:
> > Finally, out of my utter ignorance on the subject, is the VESA +/-0.5%
> > margin generic enough that this driver can always rely on it?
>
> I see several upstream drivers rely on it, see "git grep '0.5%' drivers/gpu/"
> output. And every display mode allows -/+ 0.5% pixel clock rate deviation
> according to VESA Display Monitor Timing Standard [1], though [1] is a found
> by a random Google search.
Yes, it's what we've been using for some time now. Is there any
particular concern about it?
Maxime
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 273 bytes --]
prev parent reply other threads:[~2026-06-22 9:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-15 6:54 [PATCH v3] drm/bridge: imx93-mipi-dsi: Fix mode validation Liu Ying
2026-06-08 9:15 ` Liu Ying
2026-06-19 16:49 ` Luca Ceresoli
2026-06-22 7:52 ` Liu Ying
2026-06-22 9:38 ` Maxime Ripard [this message]
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=20260622-strong-messy-hare-2372cd@houat \
--to=mripard@kernel.org \
--cc=Frank.Li@nxp.com \
--cc=Laurent.pinchart@ideasonboard.com \
--cc=airlied@gmail.com \
--cc=andrzej.hajda@intel.com \
--cc=dmitry.baryshkov@oss.qualcomm.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=festevam@gmail.com \
--cc=imx@lists.linux.dev \
--cc=jernej.skrabec@gmail.com \
--cc=jonas@kwiboo.se \
--cc=kernel@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luca.ceresoli@bootlin.com \
--cc=maarten.lankhorst@linux.intel.com \
--cc=neil.armstrong@linaro.org \
--cc=rfoss@kernel.org \
--cc=s.hauer@pengutronix.de \
--cc=simona@ffwll.ch \
--cc=tzimmermann@suse.de \
--cc=victor.liu@nxp.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