From patchwork Sun Mar 1 02:38:10 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yakir Yang X-Patchwork-Id: 5906701 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A59FFBF440 for ; Sun, 1 Mar 2015 02:40:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C627A202E6 for ; Sun, 1 Mar 2015 02:40:34 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EE7EE2028D for ; Sun, 1 Mar 2015 02:40:33 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YRto1-0003zm-Fr; Sun, 01 Mar 2015 02:40:33 +0000 Received: from regular1.263xmail.com ([211.150.99.134]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YRtnz-0003v0-Sr for linux-rockchip@lists.infradead.org; Sun, 01 Mar 2015 02:40:32 +0000 Received: from ykk?rock-chips.com (unknown [192.168.167.128]) by regular1.263xmail.com (Postfix) with SMTP id 03AE26EAE; Sun, 1 Mar 2015 10:40:09 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id B76241F727; Sun, 1 Mar 2015 10:40:05 +0800 (CST) X-RL-SENDER: ykk@rock-chips.com X-FST-TO: djkurtz@chromium.org X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: ykk@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: ykk@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 31235H81SX2; Sun, 01 Mar 2015 10:40:07 +0800 (CST) From: Yakir Yang To: djkurtz@chromium.org, dianders@chromium.org, linux-rockchip@lists.infradead.org Subject: [PATCH v4 05/15] drm: bridge/dw_hdmi: combine hdmi_set_clock_regenerator_n() and hdmi_regenerate_cts() Date: Sat, 28 Feb 2015 21:38:10 -0500 Message-Id: <1425177490-1971-1-git-send-email-ykk@rock-chips.com> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1425175834-24661-1-git-send-email-ykk@rock-chips.com> References: <1425175834-24661-1-git-send-email-ykk@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150228_184032_278353_E567F9B6 X-CRM114-Status: UNSURE ( 4.98 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: Fabio Estevam , mmind00@googlemail.com, marcheu@chromium.org, David Airlie , Greg Kroah-Hartman , Yakir Yang , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Philipp Zabel , Andy Yan , Russell King , mark.yao@rock-chips.com X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Yakir Yang --- Changes in v4: None Changes in v3: - Combine hdmi_set_clock_regenerator_n() and hdmi_regenerate_cts() Changes in v2: None drivers/gpu/drm/bridge/dw_hdmi.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c index 937beed..3d7c048 100644 --- a/drivers/gpu/drm/bridge/dw_hdmi.c +++ b/drivers/gpu/drm/bridge/dw_hdmi.c @@ -196,19 +196,15 @@ static void hdmi_mask_writeb(struct dw_hdmi *hdmi, u8 data, unsigned int reg, hdmi_modb(hdmi, data << shift, mask, reg); } -static void hdmi_set_clock_regenerator_n(struct dw_hdmi *hdmi, - unsigned int value) +static void hdmi_set_clock_regenerator(struct dw_hdmi *hdmi, + unsigned int n, unsigned int cts) { - hdmi_writeb(hdmi, value & 0xff, HDMI_AUD_N1); - hdmi_writeb(hdmi, (value >> 8) & 0xff, HDMI_AUD_N2); - hdmi_writeb(hdmi, (value >> 16) & 0x0f, HDMI_AUD_N3); + hdmi_writeb(hdmi, n & 0xff, HDMI_AUD_N1); + hdmi_writeb(hdmi, (n >> 8) & 0xff, HDMI_AUD_N2); + hdmi_writeb(hdmi, (n >> 16) & 0x0f, HDMI_AUD_N3); /* nshift factor = 0 */ hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_N_SHIFT_MASK, HDMI_AUD_CTS3); -} - -static void hdmi_regenerate_cts(struct dw_hdmi *hdmi, unsigned int cts) -{ /* Must be set/cleared first */ hdmi_modb(hdmi, 0, HDMI_AUD_CTS3_CTS_MANUAL, HDMI_AUD_CTS3); @@ -374,8 +370,7 @@ static void hdmi_set_clk_regenerator(struct dw_hdmi *hdmi, __func__, hdmi->sample_rate, hdmi->ratio, pixel_clk, clk_n, clk_cts); - hdmi_set_clock_regenerator_n(hdmi, clk_n); - hdmi_regenerate_cts(hdmi, clk_cts); + hdmi_set_clock_regenerator(hdmi, clk_n, clk_cts); } static void hdmi_init_clk_regenerator(struct dw_hdmi *hdmi)