From patchwork Fri Nov 23 09:25:12 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 10695481 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 61DDA5A4 for ; Fri, 23 Nov 2018 09:46:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 49BB22C324 for ; Fri, 23 Nov 2018 09:46:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3DCDA2C3BB; Fri, 23 Nov 2018 09:46:16 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D37662C324 for ; Fri, 23 Nov 2018 09:46:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=tmMUo/m+V9SYmtr1PS++3+OgPAv5YN/zytCFdQhIErU=; b=srgxmObJ8VkONU AIDeRUQoBfQvZUkvohx/txlnugImdpqJni4Mq8tJCdtC0bGGylSakBRP/3SndYoS85PZ70FWxebKF gLFeQSLSxbVUKunnEvdBtFvSp7vGiQEit9EYNZ2gFnte89v6T28wWYp/jvgKs2vuiDK+YputzXsh2 tf2YRiHdYsCy1YJoK42f9+wiK7sDh59T2KDK6CN3d2eKGvKNfW9kfpmorIg0Z7tXnPGvycf0HQPGC wY/+XLVNUkgKtUUIbe+gXN47AnZTkAUPr+NYdianPBD/wkwsprqGKvgygpbWHpJMI/R9PqiAdPWa+ dqW1AF7L/jAnvdmGofUA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gQ82J-0002kW-2i; Fri, 23 Nov 2018 09:46:07 +0000 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gQ7k7-0001q3-Vn for linux-arm-kernel@lists.infradead.org; Fri, 23 Nov 2018 09:27:25 +0000 Received: by mail.bootlin.com (Postfix, from userid 110) id 43C8E20F75; Fri, 23 Nov 2018 10:27:08 +0100 (CET) Received: from localhost.localdomain (aaubervilliers-681-1-94-205.w90-88.abo.wanadoo.fr [90.88.35.205]) by mail.bootlin.com (Postfix) with ESMTPSA id 02AD220F7E; Fri, 23 Nov 2018 10:26:37 +0100 (CET) From: Paul Kocialkowski To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 40/43] drm/sun4i: Set the coef_rdy bit right after the coef have been set Date: Fri, 23 Nov 2018 10:25:12 +0100 Message-Id: <20181123092515.2511-41-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181123092515.2511-1-paul.kocialkowski@bootlin.com> References: <20181123092515.2511-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181123_012720_160354_6330A118 X-CRM114-Status: UNSURE ( 9.68 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Vetter , Maxime Ripard , Maarten Lankhorst , linux-sunxi@googlegroups.com, David Airlie , Chen-Yu Tsai , Thomas Petazzoni , Sean Paul Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Maxime Ripard The COEF_RDY bit is used to tell the hardware that new FIR filters coefficients have been written to the registers and that the hardware should take them into account starting next frame. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/sun4i/sun4i_frontend.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c index 368391a9e5fd..0e92f59efd49 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c @@ -95,6 +95,10 @@ static void sun4i_frontend_scaler_init(struct sun4i_frontend *frontend) sun4i_frontend_vert_coef[i]); } + regmap_write_bits(frontend->regs, + SUN4I_FRONTEND_FRM_CTRL_REG, + SUN4I_FRONTEND_FRM_CTRL_COEF_RDY, + SUN4I_FRONTEND_FRM_CTRL_COEF_RDY); } int sun4i_frontend_init(struct sun4i_frontend *frontend)