From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mauro Carvalho Chehab Subject: Re: [PATCH v2 11/14] v4l: vsp1: Add support for header display lists in continuous mode Date: Thu, 20 Jul 2017 11:03:08 -0300 Message-ID: <20170720110308.7572b061@vento.lan> References: <20170626181226.29575-1-laurent.pinchart+renesas@ideasonboard.com> <20170626181226.29575-12-laurent.pinchart+renesas@ideasonboard.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170626181226.29575-12-laurent.pinchart+renesas@ideasonboard.com> Sender: linux-media-owner@vger.kernel.org To: Laurent Pinchart Cc: dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org Em Mon, 26 Jun 2017 21:12:23 +0300 Laurent Pinchart escreveu: > The VSP supports both header and headerless display lists. The latter is > easier to use when the VSP feeds data directly to the DU in continuous > mode, and the driver thus uses headerless display lists for DU operation > and header display lists otherwise. > > Headerless display lists are only available on WPF.0. This has never > been an issue so far, as only WPF.0 is connected to the DU. However, on > H3 ES2.0, the VSP-DL instance has both WPF.0 and WPF.1 connected to the > DU. We thus can't use headerless display lists unconditionally for DU > operation. > > Implement support for continuous mode with header display lists, and use > it for DU operation on WPF outputs that don't support headerless mode. > > Signed-off-by: Laurent Pinchart Acked-by: Mauro Carvalho Chehab Thanks, Mauro