From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vasily Khoruzhick Subject: Re: Re: [PATCH RESEND v2 06/12] drm/sun4i: rgb: Add 1% tolerance to dclk frequency check when bridge is connected Date: Mon, 4 Feb 2019 10:50:17 -0800 Message-ID: References: <20190203185501.8958-1-anarsoul@gmail.com> <20190203185501.8958-7-anarsoul@gmail.com> <20190204142036.vd42nvyjnjr5yeoi@flea> <0F6CBEA4-6DB6-40F1-A2FD-65101AF64F1F@aosc.io> Reply-To: anarsoul-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org In-Reply-To: <0F6CBEA4-6DB6-40F1-A2FD-65101AF64F1F-h8G6r0blFSE@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Icenowy Zheng Cc: arm-linux , Maxime Ripard , Mark Rutland , devicetree , Archit Taneja , David Airlie , linux-sunxi , dri-devel , Andrzej Hajda , Chen-Yu Tsai , Rob Herring , Thierry Reding , Laurent Pinchart , Daniel Vetter , Sean Paul List-Id: dri-devel@lists.freedesktop.org On Mon, Feb 4, 2019 at 8:29 AM Icenowy Zheng 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.