From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: Re: [PATCH v2.1 1/2] dt-bindings: display: rcar-du: Add a VSP channel index to the vsps DT property Date: Wed, 5 Jul 2017 11:57:24 +0200 Message-ID: References: <20170626162930.30240-2-laurent.pinchart+renesas@ideasonboard.com> <20170702134001.4752-1-laurent.pinchart+renesas@ideasonboard.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170702134001.4752-1-laurent.pinchart+renesas@ideasonboard.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Laurent Pinchart Cc: Linux-Renesas , "devicetree@vger.kernel.org" , DRI Development List-Id: devicetree@vger.kernel.org T24gU3VuLCBKdWwgMiwgMjAxNyBhdCAzOjQwIFBNLCBMYXVyZW50IFBpbmNoYXJ0CjxsYXVyZW50 LnBpbmNoYXJ0K3JlbmVzYXNAaWRlYXNvbmJvYXJkLmNvbT4gd3JvdGU6Cj4gT24gc29tZSBSLUNh ciBTb0NzIGEgc2luZ2xlIFZTUCBjYW4gc2VydmUgbXVsdGlwbGUgRFUgY2hhbm5lbHMgdGhyb3Vn aAo+IG11bHRpcGxlIExJRiBpbnN0YW5jZXMgaW4gdGhlIFZTUC4gVGhlIGN1cnJlbnQgRFQgYmlu ZGluZ3MgZG9uJ3Qgc3VwcG9ydAo+IHNwZWNpZnlpbmcgdGhhdCBraW5kIG9mIFNvQyBpbnRlZ3Jh dGlvbiBzY2hlbWUuIEV4dGVuZCB0aGVtIHdpdGggYSBWU1AKPiBjaGFubmVsIGluZGV4Lgo+Cj4g QmFja3dhcmQgY29tcGF0aWJpbGl0eSBjYW4gYmUgZW5zdXJlZCBpbiBkcml2ZXJzIGJ5IGNoZWNr aW5nIHRoZSBsZW5ndGgKPiBvZiB0aGUgdnNwcyBwcm9wZXJ0eSBhbmQgc2V0dGluZyB0aGUgY2hh bm5lbCB0byAwIHdoZW4gdGhlIHByb3BlcnR5Cj4gZG9lc24ndCBjb250YWluIGNoYW5uZWwgaW5k aWNlcy4KPgo+IFNpZ25lZC1vZmYtYnk6IExhdXJlbnQgUGluY2hhcnQgPGxhdXJlbnQucGluY2hh cnQrcmVuZXNhc0BpZGVhc29uYm9hcmQuY29tPgoKUmV2aWV3ZWQtYnk6IEdlZXJ0IFV5dHRlcmhv ZXZlbiA8Z2VlcnQrcmVuZXNhc0BnbGlkZXIuYmU+CgpHcntvZXRqZSxlZXRpbmd9cywKCiAgICAg ICAgICAgICAgICAgICAgICAgIEdlZXJ0CgotLQpHZWVydCBVeXR0ZXJob2V2ZW4gLS0gVGhlcmUn cyBsb3RzIG9mIExpbnV4IGJleW9uZCBpYTMyIC0tIGdlZXJ0QGxpbnV4LW02OGsub3JnCgpJbiBw ZXJzb25hbCBjb252ZXJzYXRpb25zIHdpdGggdGVjaG5pY2FsIHBlb3BsZSwgSSBjYWxsIG15c2Vs ZiBhIGhhY2tlci4gQnV0CndoZW4gSSdtIHRhbGtpbmcgdG8gam91cm5hbGlzdHMgSSBqdXN0IHNh eSAicHJvZ3JhbW1lciIgb3Igc29tZXRoaW5nIGxpa2UgdGhhdC4KICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAtLSBMaW51cyBUb3J2YWxkcwpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9kcmktZGV2ZWwK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f193.google.com ([209.85.223.193]:35221 "EHLO mail-io0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750867AbdGEJ50 (ORCPT ); Wed, 5 Jul 2017 05:57:26 -0400 MIME-Version: 1.0 In-Reply-To: <20170702134001.4752-1-laurent.pinchart+renesas@ideasonboard.com> References: <20170626162930.30240-2-laurent.pinchart+renesas@ideasonboard.com> <20170702134001.4752-1-laurent.pinchart+renesas@ideasonboard.com> From: Geert Uytterhoeven Date: Wed, 5 Jul 2017 11:57:24 +0200 Message-ID: Subject: Re: [PATCH v2.1 1/2] dt-bindings: display: rcar-du: Add a VSP channel index to the vsps DT property To: Laurent Pinchart Cc: Linux-Renesas , "devicetree@vger.kernel.org" , DRI Development Content-Type: text/plain; charset="UTF-8" Sender: linux-renesas-soc-owner@vger.kernel.org List-ID: On Sun, Jul 2, 2017 at 3:40 PM, Laurent Pinchart wrote: > On some R-Car SoCs a single VSP can serve multiple DU channels through > multiple LIF instances in the VSP. The current DT bindings don't support > specifying that kind of SoC integration scheme. Extend them with a VSP > channel index. > > Backward compatibility can be ensured in drivers by checking the length > of the vsps property and setting the channel to 0 when the property > doesn't contain channel indices. > > Signed-off-by: Laurent Pinchart Reviewed-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds