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From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Vasily Khoruzhick <anarsoul@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree <devicetree@vger.kernel.org>,
	Archit Taneja <architt@codeaurora.org>,
	David Airlie <airlied@linux.ie>, Chen-Yu Tsai <wens@csie.org>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	Andrzej Hajda <a.hajda@samsung.com>,
	linux-sunxi <linux-sunxi@googlegroups.com>,
	Rob Herring <robh+dt@kernel.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Daniel Vetter <daniel@ffwll.ch>,
	Sean Paul <seanpaul@chromium.org>,
	arm-linux <linux-arm-kernel@lists.infradead.org>,
	Icenowy Zheng <icenowy@aosc.io>
Subject: Re: [linux-sunxi] Re: [PATCH RESEND v2 06/12] drm/sun4i: rgb: Add 1% tolerance to dclk frequency check when bridge is connected
Date: Tue, 5 Feb 2019 16:41:56 +0100	[thread overview]
Message-ID: <20190205154156.o3aa4cy6uxenkwol@flea> (raw)
In-Reply-To: <CA+E=qVd7yh=JNZSvrfY4Diu+VJWFK6yLUJ5MavBcZ8Cftn6f-Q@mail.gmail.com>


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On Mon, Feb 04, 2019 at 10:50:17AM -0800, Vasily Khoruzhick wrote:
> On Mon, Feb 4, 2019 at 8:29 AM Icenowy Zheng <icenowy@aosc.io> wrote:
> > >> IIRC, from the previous discussion, HDMI had a tolerancy requirement
> > >> in the standard. Do you know if there's such a thing for eDP? That
> > >> would solve the issue for all the eDP displays at once.
> > >
> > >I don't have access to eDP standard - vesa.org says it's available to
> > >members only.
> >
> > Try out to grab an old version?
> >
> > I remember 1.0 is open.
> 
> I can't find anything regarding dot clock tolerance in DisplayPort
> specification.

I guess since the DP is a VESA spec, it's probably .5%, just like on
the EDID (well, CVT).

Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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  reply	other threads:[~2019-02-05 15:42 UTC|newest]

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-03 18:54 [PATCH RESEND v2 00/12] Analogix ANX6345 RGB-(e)DP bridge support Vasily Khoruzhick
2019-02-03 18:54 ` [PATCH RESEND v2 01/12] drm/bridge: move ANA78xx driver to analogix subdirectory Vasily Khoruzhick
2019-02-03 18:54 ` [PATCH RESEND v2 02/12] drm/bridge: split some definitions of ANX78xx to dedicated headers Vasily Khoruzhick
2019-02-03 18:54 ` [PATCH RESEND v2 03/12] drm/bridge: extract some Analogix I2C DP common code Vasily Khoruzhick
2019-02-03 18:54 ` [PATCH RESEND v2 04/12] dt-bindings: Add ANX6345 DP/eDP transmitter binding Vasily Khoruzhick
2019-02-03 18:54 ` [PATCH RESEND v2 05/12] drm/bridge: Add Analogix anx6345 support Vasily Khoruzhick
2019-02-05 13:19   ` Torsten Duwe
2019-02-03 18:54 ` [PATCH RESEND v2 06/12] drm/sun4i: rgb: Add 1% tolerance to dclk frequency check when bridge is connected Vasily Khoruzhick
2019-02-04 14:20   ` Maxime Ripard
2019-02-04 16:26     ` Vasily Khoruzhick
2019-02-04 16:28       ` Icenowy Zheng
2019-02-04 18:50         ` [linux-sunxi] " Vasily Khoruzhick
2019-02-05 15:41           ` Maxime Ripard [this message]
2019-02-05 17:49             ` Vasily Khoruzhick
2019-02-06  9:16               ` Maxime Ripard
2019-02-06 11:42                 ` Thierry Reding
2019-02-03 18:54 ` [PATCH RESEND v2 07/12] drm/panel: simple: don't fail if we don't have panel desc Vasily Khoruzhick
2019-02-03 18:54 ` [PATCH RESEND v2 08/12] dt-bindings: add binding for generic eDP panel Vasily Khoruzhick
2019-02-04  7:43   ` Thierry Reding
2019-02-04  8:13     ` Vasily Khoruzhick
2019-02-04  8:23       ` Thierry Reding
2019-02-04  9:40         ` Daniel Vetter
2019-02-04 11:22           ` Thierry Reding
2019-02-04 15:59             ` Daniel Vetter
2019-02-04 16:22               ` Thierry Reding
2019-02-05  8:57                 ` Daniel Vetter
2019-02-05 10:24                   ` Thierry Reding
2019-02-05 16:36                     ` Daniel Vetter
2019-02-14 19:51                       ` Vasily Khoruzhick
2019-02-14 20:05                     ` Vasily Khoruzhick
2019-02-14 20:38                       ` Rob Herring
2019-02-14 20:54                         ` Vasily Khoruzhick
2019-02-04 16:11         ` Vasily Khoruzhick
2019-02-04 16:27           ` Thierry Reding
2019-02-04 16:39           ` Rob Herring
2019-02-04 17:02             ` [linux-sunxi] " Vasily Khoruzhick
2019-02-04 16:27         ` Rob Herring
2019-02-04 16:56           ` Thierry Reding
2019-02-04 17:07             ` Vasily Khoruzhick
2019-02-04 20:23             ` Rob Herring
2019-02-04 20:26               ` Vasily Khoruzhick
2019-02-04 20:34                 ` Rob Herring
2019-02-03 18:54 ` [PATCH RESEND v2 09/12] drm/panel: simple: add " Vasily Khoruzhick
2019-02-03 18:54 ` [PATCH RESEND v2 10/12] arm64: allwinner: a64: add pinmux for RGB666 LCD Vasily Khoruzhick
2019-02-03 18:55 ` [PATCH RESEND v2 11/12] arm64: allwinner: a64: enable LCD-related hardware for Pinebook Vasily Khoruzhick
2019-02-03 18:55 ` [PATCH RESEND v2 12/12] arm64: allwinner: a64: enable LCD-related hardware for TERES-I Vasily Khoruzhick
  -- strict thread matches above, loose matches on Subject: below --
2018-10-18  7:33 [PATCH 0/9] Analogix ANX6345 RGB-(e)DP bridge support Icenowy Zheng
2018-10-18  7:33 ` [PATCH 1/9] drm/bridge: move ANA78xx driver to analogix subdirectory Icenowy Zheng
2018-10-18  8:47   ` Laurent Pinchart
2018-10-18  7:33 ` [PATCH 2/9] drm/bridge: split some definitions of ANX78xx to dedicated headers Icenowy Zheng
2018-10-18  7:33 ` [PATCH 3/9] drm/bridge: extract some Analogix I2C DP common code Icenowy Zheng
2018-10-18  7:33 ` [PATCH 4/9] dt-bindings: Add ANX6345 DP/eDP transmitter binding Icenowy Zheng
2018-10-18  8:53   ` Laurent Pinchart
2018-10-18 10:00     ` Icenowy Zheng
2018-10-18 11:23       ` Laurent Pinchart
2018-10-18 12:40         ` Icenowy Zheng
2018-10-25 18:30           ` Rob Herring
2018-10-26  0:08             ` Icenowy Zheng
2018-10-18  7:33 ` [PATCH 5/9] drm/bridge: Add Analogix anx6345 support Icenowy Zheng
2018-10-18  7:33 ` [PATCH 6/9] arm64: allwinner: a64: add pinmux for RGB666 LCD Icenowy Zheng
2018-10-18  7:33 ` [PATCH 7/9] arm64: allwinner: a64: enable ANX6345 bridge on Pinebook Icenowy Zheng
2018-10-18 15:17   ` Vasily Khoruzhick
2018-10-19  5:50     ` Icenowy Zheng
2018-10-18  7:33 ` [PATCH 8/9] arm64: allwinner: a64: enable ANX6345 bridge on TERES-I Icenowy Zheng
2018-10-18  7:33 ` [PATCH 9/9] [DO NOT MERGE] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check Icenowy Zheng
2018-10-18  8:55   ` Laurent Pinchart
2018-10-18  9:18     ` Daniel Vetter
2018-10-18  9:42       ` Maxime Ripard
2018-10-18 11:31         ` Laurent Pinchart
2018-10-18 12:18           ` Maxime Ripard
2018-10-18 12:50             ` Icenowy Zheng
2018-10-18 13:07               ` Maxime Ripard
2018-10-18 13:57             ` Laurent Pinchart
2019-02-03  1:32           ` Vasily Khoruzhick
2018-10-29  2:20 ` [PATCH 0/9] Analogix ANX6345 RGB-(e)DP bridge support Vasily Khoruzhick
2019-02-04 12:22 ` Torsten Duwe
2019-02-04 20:21   ` Vasily Khoruzhick

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