From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v2.1 1/2] dt-bindings: display: rcar-du: Add a VSP channel index to the vsps DT property Date: Fri, 7 Jul 2017 09:01:35 -0500 Message-ID: <20170707140135.btkd65gqhiznaqcl@rob-hp-laptop> 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: Content-Disposition: inline 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-soc@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: devicetree@vger.kernel.org T24gU3VuLCBKdWwgMDIsIDIwMTcgYXQgMDQ6NDA6MDFQTSArMDMwMCwgTGF1cmVudCBQaW5jaGFy dCB3cm90ZToKPiBPbiBzb21lIFItQ2FyIFNvQ3MgYSBzaW5nbGUgVlNQIGNhbiBzZXJ2ZSBtdWx0 aXBsZSBEVSBjaGFubmVscyB0aHJvdWdoCj4gbXVsdGlwbGUgTElGIGluc3RhbmNlcyBpbiB0aGUg VlNQLiBUaGUgY3VycmVudCBEVCBiaW5kaW5ncyBkb24ndCBzdXBwb3J0Cj4gc3BlY2lmeWluZyB0 aGF0IGtpbmQgb2YgU29DIGludGVncmF0aW9uIHNjaGVtZS4gRXh0ZW5kIHRoZW0gd2l0aCBhIFZT UAo+IGNoYW5uZWwgaW5kZXguCj4gCj4gQmFja3dhcmQgY29tcGF0aWJpbGl0eSBjYW4gYmUgZW5z dXJlZCBpbiBkcml2ZXJzIGJ5IGNoZWNraW5nIHRoZSBsZW5ndGgKPiBvZiB0aGUgdnNwcyBwcm9w ZXJ0eSBhbmQgc2V0dGluZyB0aGUgY2hhbm5lbCB0byAwIHdoZW4gdGhlIHByb3BlcnR5Cj4gZG9l c24ndCBjb250YWluIGNoYW5uZWwgaW5kaWNlcy4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBMYXVyZW50 IFBpbmNoYXJ0IDxsYXVyZW50LnBpbmNoYXJ0K3JlbmVzYXNAaWRlYXNvbmJvYXJkLmNvbT4KPiAt LS0KPiAgLi4uL2RldmljZXRyZWUvYmluZGluZ3MvZGlzcGxheS9yZW5lc2FzLGR1LnR4dCAgICAg fCA1MSArKysrKysrKysrKysrLS0tLS0tLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCAzMCBpbnNlcnRp b25zKCspLCAyMSBkZWxldGlvbnMoLSkKCkFja2VkLWJ5OiBSb2IgSGVycmluZyA8cm9iaEBrZXJu ZWwub3JnPgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpk cmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f196.google.com ([209.85.161.196]:33316 "EHLO mail-yw0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750883AbdGGOBi (ORCPT ); Fri, 7 Jul 2017 10:01:38 -0400 Date: Fri, 7 Jul 2017 09:01:35 -0500 From: Rob Herring To: Laurent Pinchart Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH v2.1 1/2] dt-bindings: display: rcar-du: Add a VSP channel index to the vsps DT property Message-ID: <20170707140135.btkd65gqhiznaqcl@rob-hp-laptop> 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=us-ascii Content-Disposition: inline In-Reply-To: <20170702134001.4752-1-laurent.pinchart+renesas@ideasonboard.com> Sender: linux-renesas-soc-owner@vger.kernel.org List-ID: On Sun, Jul 02, 2017 at 04:40:01PM +0300, 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 > --- > .../devicetree/bindings/display/renesas,du.txt | 51 +++++++++++++--------- > 1 file changed, 30 insertions(+), 21 deletions(-) Acked-by: Rob Herring