From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E906BC021B8 for ; Sat, 1 Mar 2025 14:27:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8VjIrTdqdJO70ot7aCLK84xnQg1NFdHIDjQanjJ2Z+Q=; b=K8DOIs6kZkaWNZ kEMw8j8zUu+/TNp+eI5VWViczw/wS2hOFgiFnGSe3VkeaItCwNTxI28qVIumbaBNKpd4dE8Obs9K4 RQXibN4JzQSBLw83N5P3KlvTNVih+Wl2CObUiR3S1IGiybHw71phjsfv4oT6IDyBi1KI+HdxH5Qy7 /+LjrJz/veTPnI5bDyxRS6sKYzNhL5ICdpzXq/o8aRePNR8JF0KDCqNszC6/S1c5GRjLCDEYCTmLF dJkYGbFK8DbDvvJ99N0fZmy2oNR2Xnp3vJyEuSwONSq3uH2lwHJFGYJUIjyXGZ5ytAA1mwjXsBOy3 gYV/xelOskUG2y38Tr/Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1toNoI-0000000ESs1-3jtC; Sat, 01 Mar 2025 14:27:22 +0000 Received: from mail-pl1-x635.google.com ([2607:f8b0:4864:20::635]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1toNoG-0000000ESqo-3XG7 for linux-mtd@lists.infradead.org; Sat, 01 Mar 2025 14:27:21 +0000 Received: by mail-pl1-x635.google.com with SMTP id d9443c01a7336-2238e884f72so4226035ad.3 for ; Sat, 01 Mar 2025 06:27:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1740839240; x=1741444040; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=HQRFKAla41Ay10wYFnrS+X/WAyPF0gKgODKhC/FC/AE=; b=mw0h1FsJDHv7QJYikJijUuwh2D5mUv4UEgfOrRlU6qc3AY+JBM7x+d+yF86nOYooEM otTlx+RB4MDFt+GoxY4vDZk7N2nscPVsWe7Cu54+U/ZlJhs/Wdo0eE0KROBTWmHOuPvl t8pSMFzAfo6mgtmehXhVR/yG/4aHq0GiXU4oNcZS/iefgtwtg+CiaIWdQF8kibYAUvbm i/Wu1vc3mS89NaqsV4iFPi8DcyfFPpOQ9FGb2VdI2RdKZku/DhABOPI34KV+m0VbUMA7 uEvS0AvNKg6vlaFToR7VJFaHQnzORgp0MCr4wbrdSTcyu+YVd2ZZfYp5qOgMcFBFl0fx Nzzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740839240; x=1741444040; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HQRFKAla41Ay10wYFnrS+X/WAyPF0gKgODKhC/FC/AE=; b=tJLaj41fl4wdvazMkPZ7TAcLUp++j8uSGAvaMdnpByavzefOA9Wtykdj/2o3AdR+94 XzT9YXzq7orOc/A6uD4kwtVNvFco6nGOMLOnzybSi4NYpss6XFwlAGmMQbIIVMKiklzp eECYAjm+Pzsr+obLAIci5mw+n6A6/+I6oRXKU1UNTWl6kO8nw9HsbrcelxIKI1pTjKN7 3K6SOYHaECKYSpcLbQ0a4Miewy44UJo+WvGRXl/eS/Mcs9h0mJQSvW2iyZmC6euzZ18v mS6PYJRg98NLWClwz6luCY9oPmJpAtQ5QcHfb4e42OXUtTthDLIs+JbuV/g1VUr+p9rG ZuuA== X-Forwarded-Encrypted: i=1; AJvYcCUO0pVYb1D14hj+4VPYrmI0QHWDryoonaokkmMd7Fdrsb2QYxfQDfwyCkTTfR0JQ0PPARD5HA5Hp10=@lists.infradead.org X-Gm-Message-State: AOJu0YzjE+52hWamJhQUqzMucL/+EdkBnOW5P8Wu4fnZQqh4KCuLpXM7 YXV1ZTHvhdXapB/RCVMRpM/KVVeaVmCh+HOWA39MzFO2aFE8oMzA X-Gm-Gg: ASbGnctOqnT6drIHt7CsnYxWQT2HzItfNDayeGnKSfsF+YDSs8wEIkph2sB80Ossycs iQW7eo1VJrHqnPwizMGiXiQI+MdOhMk99Wo40JMFTWB/zeyZcaUSIcKLOdT82d9129Ny/zpCO1H 4bS+j/OoTD/qnc+i3nbOtRLPqUkJP8l4vgpkmAXVlTvI1en8UNbdl8UuJ/fd27gU6In2amdSu1U klP7SUYANJ0CiAGFv0CrP4kcHmaw40PFfKljVrFd0AsP94tazfJIDVSazr2RzeTnlLinUubztl6 7dSMg85u2V6RU5l5Xu3p57m2sPFYFT3YXtbhTOvdTu3F+XW36TvNKH17a9efC79ceHcXSBbIZis = X-Google-Smtp-Source: AGHT+IFWKqiV0JEURaPP9WsTXinyvBYz5p+Da6Z0sy2B13n/BlJ3FGZeHRzY7pPlUCpj+eVU13KkqQ== X-Received: by 2002:a17:902:d4c6:b0:215:7446:2151 with SMTP id d9443c01a7336-22368f61abbmr99234975ad.4.1740839240264; Sat, 01 Mar 2025 06:27:20 -0800 (PST) Received: from visitorckw-System-Product-Name.. ([140.113.216.168]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-223501fa8f1sm49231965ad.90.2025.03.01.06.27.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 Mar 2025 06:27:18 -0800 (PST) From: Kuan-Wei Chiu To: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, jk@ozlabs.org, joel@jms.id.au, eajames@linux.ibm.com, andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, dmitry.torokhov@gmail.com, mchehab@kernel.org, awalls@md.metrocast.net, hverkuil@xs4all.nl, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, louis.peens@corigine.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, parthiban.veerasooran@microchip.com, arend.vanspriel@broadcom.com, johannes@sipsolutions.net, gregkh@linuxfoundation.org, jirislaby@kernel.org, yury.norov@gmail.com, akpm@linux-foundation.org Cc: hpa@zytor.com, alistair@popple.id.au, linux@rasmusvillemoes.dk, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-fsi@lists.ozlabs.org, dri-devel@lists.freedesktop.org, linux-input@vger.kernel.org, linux-media@vger.kernel.org, linux-mtd@lists.infradead.org, oss-drivers@corigine.com, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, brcm80211@lists.linux.dev, brcm80211-dev-list.pdl@broadcom.com, linux-serial@vger.kernel.org, bpf@vger.kernel.org, jserv@ccns.ncku.edu.tw, david.laight.linux@gmail.com, andrew.cooper3@citrix.com, Kuan-Wei Chiu , Yu-Chun Lin Subject: [PATCH v2 12/18] drm/bridge: dw-hdmi: Replace open-coded parity calculation with parity32() Date: Sat, 1 Mar 2025 22:24:03 +0800 Message-Id: <20250301142409.2513835-13-visitorckw@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250301142409.2513835-1-visitorckw@gmail.com> References: <20250301142409.2513835-1-visitorckw@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250301_062720_885829_E757C1A3 X-CRM114-Status: UNSURE ( 9.89 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Refactor parity calculations to use the standard parity32() helper. This change eliminates redundant implementations and improves code efficiency. Co-developed-by: Yu-Chun Lin Signed-off-by: Yu-Chun Lin Signed-off-by: Kuan-Wei Chiu --- drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c index cf1f66b7b192..833e65f33483 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c @@ -4,6 +4,7 @@ * * Written and tested against the Designware HDMI Tx found in iMX6. */ +#include #include #include #include @@ -171,12 +172,7 @@ static void dw_hdmi_reformat_iec958(struct snd_dw_hdmi *dw, static u32 parity(u32 sample) { - sample ^= sample >> 16; - sample ^= sample >> 8; - sample ^= sample >> 4; - sample ^= sample >> 2; - sample ^= sample >> 1; - return (sample & 1) << 27; + return parity32(sample) << 27; } static void dw_hdmi_reformat_s24(struct snd_dw_hdmi *dw, -- 2.34.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/