From patchwork Fri Mar 1 17:08:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kieran Bingham X-Patchwork-Id: 10835735 X-Patchwork-Delegate: kieran@bingham.xyz Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 612E8180E for ; Fri, 1 Mar 2019 17:09:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 44E862C7D2 for ; Fri, 1 Mar 2019 17:09:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 38EE52CC50; Fri, 1 Mar 2019 17:09:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DA47A2C919 for ; Fri, 1 Mar 2019 17:09:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389398AbfCARJC (ORCPT ); Fri, 1 Mar 2019 12:09:02 -0500 Received: from perceval.ideasonboard.com ([213.167.242.64]:45358 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389342AbfCARJB (ORCPT ); Fri, 1 Mar 2019 12:09:01 -0500 Received: from localhost.localdomain (cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 7BB3F59E; Fri, 1 Mar 2019 18:08:58 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1551460138; bh=nGwZ72S5X7FAh8E3bE5dQ9wYzUGwVftumClN2wP0YZQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lm/xPAwSH657ZJSL2atWD2IzJIoANwVYKT3p+zfjPsSXHrtLljMREow7yhfjVcio2 feXl+ZWaDZ7pHSbp+45Y6pDC0NCmqjwa0we14FCiWqQ4PaeL7O/VRVotjn0RstRA/L gKkvXP6OqIK5ZOvx8RfvOEOlLGOPYmkDKGBHV6ag= From: Kieran Bingham To: Laurent Pinchart , linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Cc: Kieran Bingham Subject: [RFC PATCH v2 3/5] media: vsp1: Document partition algorithm in code header Date: Fri, 1 Mar 2019 17:08:46 +0000 Message-Id: <20190301170848.6598-4-kieran.bingham@ideasonboard.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190301170848.6598-1-kieran.bingham@ideasonboard.com> References: <20190301170848.6598-1-kieran.bingham@ideasonboard.com> MIME-Version: 1.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kieran Bingham The image partition algorithm operates on the image dimensions as input into the WPF entity. Document this in the code block header. Reviewed-by: Laurent Pinchart Signed-off-by: Kieran Bingham --- drivers/media/platform/vsp1/vsp1_video.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c index 563f9a02c373..d1ecc3d91290 100644 --- a/drivers/media/platform/vsp1/vsp1_video.c +++ b/drivers/media/platform/vsp1/vsp1_video.c @@ -173,6 +173,14 @@ static int __vsp1_video_try_format(struct vsp1_video *video, /* ----------------------------------------------------------------------------- * VSP1 Partition Algorithm support + * + * VSP hardware can have restrictions on image width dependent on the hardware + * configuration of the pipeline. Adapting for these restrictions is implemented + * via the partition algorithm. + * + * The partition windows and sizes are based on the output size of the WPF + * before rotation, which is represented by the input parameters to the WPF + * entity in our pipeline. */ /**