From: Liu Ying <victor.liu@nxp.com>
To: Maxime Ripard <mripard@kernel.org>
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: Tue, 23 Jun 2026 09:43:41 +0800 [thread overview]
Message-ID: <ajnkzWyiPprHmRmU@raspi> (raw)
In-Reply-To: <20260622-strong-messy-hare-2372cd@houat>
On Mon, Jun 22, 2026 at 11:38:19AM +0200, Maxime Ripard wrote:
> 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?
I have no concern about it. Luca, do you have any concern?
>
> Maxime
--
Regards,
Liu Ying
next prev parent reply other threads:[~2026-06-23 1:42 UTC|newest]
Thread overview: 7+ 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
2026-06-23 1:43 ` Liu Ying [this message]
2026-06-23 10:41 ` Luca Ceresoli
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