From patchwork Fri Aug 31 18:12:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kieran Bingham X-Patchwork-Id: 10584293 X-Patchwork-Delegate: geert@linux-m68k.org 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 42503175A for ; Fri, 31 Aug 2018 18:13:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 324A226530 for ; Fri, 31 Aug 2018 18:13:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 26A8D28390; Fri, 31 Aug 2018 18:13:06 +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 C586B26C9B for ; Fri, 31 Aug 2018 18:13:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727201AbeHaWVn (ORCPT ); Fri, 31 Aug 2018 18:21:43 -0400 Received: from perceval.ideasonboard.com ([213.167.242.64]:46808 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727212AbeHaWVn (ORCPT ); Fri, 31 Aug 2018 18:21:43 -0400 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 D9466158B; Fri, 31 Aug 2018 20:13:02 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1535739183; bh=jWuzLck6TyfXYDEbqVJjXmAtXFOVtqHAiCpwEE6xHxk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lwzUbKf9UoIkm+MBXsiv6PL2vpz0Z56Weubvg7XLWLFCv9aOUQcujS5q4fQ7aBbpa mFQKoB+OekxjS7dMS03tbMh1/DvMvmgD607A39zLy2IpNQFZvycSJc3AV3ZmMlFn72 vuZH1eNmvc5lONQJcusVgvpuIW+mP/aDm8OzrXEc= From: Kieran Bingham To: Laurent Pinchart Cc: David Airlie , dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Kieran Bingham Subject: [PATCH 1/3] drm: rcar-du: Update Gen3 output limitations Date: Fri, 31 Aug 2018 19:12:57 +0100 Message-Id: <20180831181259.29529-2-kieran.bingham+renesas@ideasonboard.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180831181259.29529-1-kieran.bingham+renesas@ideasonboard.com> References: <20180831181259.29529-1-kieran.bingham+renesas@ideasonboard.com> 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 The R-Car Gen3 DU utilises the VSP1 hardware for memory access. The limits on the RPF and WPF in this pipeline are 8190x8190. Update the supported maximum sizes accordingly. Signed-off-by: Kieran Bingham Reviewed-by: Laurent Pinchart --- drivers/gpu/drm/rcar-du/rcar_du_kms.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index ed7fa3204892..7c7aff8cdf77 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -512,12 +512,22 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu) dev->mode_config.min_width = 0; dev->mode_config.min_height = 0; - dev->mode_config.max_width = 4095; - dev->mode_config.max_height = 2047; dev->mode_config.normalize_zpos = true; dev->mode_config.funcs = &rcar_du_mode_config_funcs; dev->mode_config.helper_private = &rcar_du_mode_config_helper; + if (rcdu->info->gen < 3) { + dev->mode_config.max_width = 4095; + dev->mode_config.max_height = 2047; + } else { + /* + * The Gen3 DU uses the VSP1 for memory access, and is limited + * to frame sizes of 8190x8190. + */ + dev->mode_config.max_width = 8190; + dev->mode_config.max_height = 8190; + } + rcdu->num_crtcs = hweight8(rcdu->info->channels_mask); ret = rcar_du_properties_init(rcdu);