From mboxrd@z Thu Jan 1 00:00:00 1970 From: jernej.skrabec@siol.net (Jernej =?utf-8?B?xaBrcmFiZWM=?=) Date: Thu, 28 Jun 2018 06:45:56 +0200 Subject: [PATCH v3 09/24] drm/sun4i: Don't skip TCONs if they don't have channel 0 In-Reply-To: References: <20180625120304.7543-1-jernej.skrabec@siol.net> <20180625120304.7543-10-jernej.skrabec@siol.net> Message-ID: <2676604.ZYCNkuCdbT@jernej-laptop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dne ?etrtek, 28. junij 2018 ob 03:51:31 CEST je Chen-Yu Tsai napisal(a): > On Mon, Jun 25, 2018 at 8:02 PM, Jernej Skrabec wrote: > > TV TCONs (channel 1 only) are always connected to TV or HDMI encoder. > > Because of that, all output endpoints on such TCON node will point to a > > encoder which is part of component framework. > > > > Correct current graph traversing algorithm in such way that it doesn't > > skip output enpoints with id 0 on TV TCONs. > > No. Our bindings say that endpoint 0 _is_ channel 0. For TCONs that don't > have channel 0, it must be skipped. I'm not sure where this is stated. I read TCON binding again. Can you please point me to it? So on TV TCONs on R40 (without channel 0) TVE would be endpoint 1 and HDMI endpoint 2 (or the other way around)? Best regards, Jernej