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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Il 18/04/22 10:30, Moudy Ho ha scritto: > Due to HW limitations, MDP3 is necessary to enable MUTEX in each frame > for SOF triggering and cooperate with CMDQ control to reduce the amount > of interrupts generated(also, reduce frame latency). > > In response to the above situation, a new interface > "mtk_mutex_enable_by_cmdq" has been added to achieve the purpose. > > Signed-off-by: Moudy Ho Reviewed-by: AngeloGioacchino Del Regno 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 D73CBC433EF for ; Tue, 19 Apr 2022 14:04:34 +0000 (UTC) DKIM-Signature: v=1; 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X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Il 18/04/22 10:30, Moudy Ho ha scritto: > Due to HW limitations, MDP3 is necessary to enable MUTEX in each frame > for SOF triggering and cooperate with CMDQ control to reduce the amount > of interrupts generated(also, reduce frame latency). > > In response to the above situation, a new interface > "mtk_mutex_enable_by_cmdq" has been added to achieve the purpose. > > Signed-off-by: Moudy Ho Reviewed-by: AngeloGioacchino Del Regno _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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 74E41C433F5 for ; Tue, 19 Apr 2022 14:04:46 +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-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=C7KtHOCsRuwlot+kYDV1gaE5b2T5z6JGAoHVXER/3N4=; b=YpjXfFUa0uKvmA g4b3AagnuGyJcSbxgp5s6nJs4bqAOMHALVqxD5Z5zQ2563byZqaayjh7Rsch1unh7MqwuInvLDDUc XafOSEaHxK4iTfjRRXsHVA2rnowh1ETtJBEVHiq9tIVKHbxnXQ1/lnntPd9DwtlScPtaGY/LgiITm 28yK1QLZ4FQo8p8YhNhdxbRD9fu6q7krbHjW80RKuTs1ufBSe5HsB+SvZFd2FjshIkDexs1jVBRgP eQ9JUA3u+TsaF4lk3hwPcOu0uDhHN33Uz68wO6RUXNv1nELM/k28HTJJh8/2dGOCBuM98YtM3A6/O X8PfU2NWI022ll6t+e9w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ngoRu-0046XC-OQ; Tue, 19 Apr 2022 14:03:24 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ngo1R-003tsK-0v; Tue, 19 Apr 2022 13:36:05 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: kholk11) with ESMTPSA id 9B74A1F4187E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1650375358; bh=vk7NPyGDSW72/CR4xSo5sVXXJXssU0zofQEVBf5A+AY=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=f01zmwqY3k7nWQyNOvc1+vVhsQbIghHhQj08MOKnUG9yApdtM80a/S5sNnJ0R44J3 1wGK04tXRdIGUxF4iP5LWyLxYDs3UnvymibKmO9Gb8w19iwwlHHRcJhhPe13K5Ms+h rolUkI+krrLLzIyJ3CIg0ANPH2T8b7Rr/I12FqVI5A2f3xcCDrEn/hakRtcYdSe1ZS Nbcs6OYtydQCKTGxtiYFr2xPwNFyLDzw1jfkn9EEr2BoS6RMwebpVVZwyXkSHlKq9H OOc/QN3TegPbz8UBMJ7RXlNU135+hWlKHkTGQtfMhKLwTvb06vhN16wfRxGBEFBDoh wKKHUroB6FRsw== Message-ID: <0c43ed35-db14-9578-16ff-f4c15347929e@collabora.com> Date: Tue, 19 Apr 2022 15:35:53 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH v16 6/6] soc: mediatek: mutex: add functions that operate registers by CMDQ Content-Language: en-US To: Moudy Ho , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Hans Verkuil Cc: Chun-Kuang Hu , Rob Landley , Laurent Pinchart , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Courbot , tfiga@chromium.org, drinkcat@chromium.org, pihsun@chromium.org, hsinyi@google.com, Benjamin Gaignard , daoyuan huang , Ping-Hsun Wu , allen-kh.cheng@mediatek.com, xiandong.wang@mediatek.com, randy.wu@mediatek.com, jason-jh.lin@mediatek.com, roy-cw.yeh@mediatek.com, river.cheng@mediatek.com, srv_heupstream@mediatek.com, Project_Global_Chrome_Upstream_Group@mediatek.com References: <20220418083018.1907-1-moudy.ho@mediatek.com> <20220418083018.1907-7-moudy.ho@mediatek.com> From: AngeloGioacchino Del Regno In-Reply-To: <20220418083018.1907-7-moudy.ho@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220419_063601_388584_5ED0A79C X-CRM114-Status: UNSURE ( 8.50 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Il 18/04/22 10:30, Moudy Ho ha scritto: > Due to HW limitations, MDP3 is necessary to enable MUTEX in each frame > for SOF triggering and cooperate with CMDQ control to reduce the amount > of interrupts generated(also, reduce frame latency). > > In response to the above situation, a new interface > "mtk_mutex_enable_by_cmdq" has been added to achieve the purpose. > > Signed-off-by: Moudy Ho Reviewed-by: AngeloGioacchino Del Regno _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel