From patchwork Tue Dec 4 14:22:15 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 10711937 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 590251731 for ; Tue, 4 Dec 2018 14:23:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4B25E294D8 for ; Tue, 4 Dec 2018 14:23:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3ED162930C; Tue, 4 Dec 2018 14:23:45 +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,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EE557294D8 for ; Tue, 4 Dec 2018 14:23:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AE3DC6E297; Tue, 4 Dec 2018 14:23:32 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.bootlin.com (mail.bootlin.com [62.4.15.54]) by gabe.freedesktop.org (Postfix) with ESMTP id 6CBEE6E292 for ; Tue, 4 Dec 2018 14:23:21 +0000 (UTC) Received: by mail.bootlin.com (Postfix, from userid 110) id 2BE7020E21; Tue, 4 Dec 2018 15:23:20 +0100 (CET) Received: from localhost.localdomain (aaubervilliers-681-1-79-44.w90-88.abo.wanadoo.fr [90.88.21.44]) by mail.bootlin.com (Postfix) with ESMTPSA id 4C2F820E25; Tue, 4 Dec 2018 15:22:43 +0100 (CET) From: Paul Kocialkowski To: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 18/21] drm/sun4i: Set the coef_rdy bit right after the coef have been set Date: Tue, 4 Dec 2018 15:22:15 +0100 Message-Id: <20181204142218.16284-19-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181204142218.16284-1-paul.kocialkowski@bootlin.com> References: <20181204142218.16284-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Maxime Ripard , linux-sunxi@googlegroups.com, Paul Kocialkowski , David Airlie , Chen-Yu Tsai , Thomas Petazzoni , Sean Paul Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 Signed-off-by: Paul Kocialkowski --- 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 5a2e2057fe6c..4d58d00255ae 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)