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 X-Spam-Level: X-Spam-Status: No, score=-15.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20E09C433F5 for ; Fri, 17 Sep 2021 01:27:51 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C2FA861244 for ; Fri, 17 Sep 2021 01:27:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C2FA861244 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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: Date:CC:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=JOUQZIHIyDF1n7GsvJHoL/4+VDAQf/Azt+/q/OADUkw=; b=1EFvjepEDDD7kK c+Ewzk0SBpM2cCmVuUsJQt7ZPzO+UZw0/0B8vDmZ4qcb6KfBauKS2ERBn1LXeVMhYUJ6VNdDsZvYJ cVjUJWO/W0d7ujpfvMhQDghL5RVL3Trqik50oT3N7tFYNa/HRqswyqESxTFHSVDzD13XX1FD2mrp3 BcO6uVQ3VzKMJJhrEsPIvGViXav3eIKXljtfJ5/MkG+BlgsNcwLAGMpk1o6Va0vwAJXZ5KlFJv9KX t1oxxBOB2dKps87jz224mlMBFVEmfouoLXR11Ad+7aA+UtA6Cnim/+Fxo5UzchxHvdexaAXRcbvqI F/08RPWy8T351n2qokag==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mR2f5-00Ct0q-7c; Fri, 17 Sep 2021 01:27:31 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mR2es-00Ct0G-1s; Fri, 17 Sep 2021 01:27:21 +0000 X-UUID: 2ca619847ff9440cadd11067a33e814d-20210916 X-UUID: 2ca619847ff9440cadd11067a33e814d-20210916 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 282905510; Thu, 16 Sep 2021 18:27:13 -0700 Received: from MTKMBS06N2.mediatek.inc (172.21.101.130) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 16 Sep 2021 18:23:34 -0700 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs06n2.mediatek.inc (172.21.101.130) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 17 Sep 2021 09:23:32 +0800 Received: from mtksdccf07 (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 17 Sep 2021 09:23:32 +0800 Message-ID: Subject: Re: [PATCH v7 1/5] soc: mediatek: mutex: add support for MDP From: moudy ho To: Matthias Brugger , Mauro Carvalho Chehab , Rob Herring , Hans Verkuil , Jernej Skrabec CC: Maoguang Meng , daoyuan huang , Ping-Hsun Wu , "Geert Uytterhoeven" , Rob Landley , Laurent Pinchart , , , , , , , , , , , , , , , Date: Fri, 17 Sep 2021 09:23:32 +0800 In-Reply-To: <01e4d221-0c77-fdcb-0e01-540e315481d8@gmail.com> References: <20210824100027.25989-1-moudy.ho@mediatek.com> <20210824100027.25989-2-moudy.ho@mediatek.com> <01e4d221-0c77-fdcb-0e01-540e315481d8@gmail.com> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210916_182718_141167_5EE4C3F7 X-CRM114-Status: GOOD ( 33.15 ) 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Tue, 2021-09-07 at 13:52 +0200, Matthias Brugger wrote: > > On 24/08/2021 12:00, Moudy Ho wrote: > > Add functions to support MDP: > > 1. Get mutex function > > 2. Enable/disable mutex > > 3. Enable MDP's modules > > 4. Write register via CMDQ > > > > Add MDP related settings for 8183 SoC > > 1. Register settings > > > > Please write some good commit message. > > > Signed-off-by: Moudy Ho > > --- > > drivers/soc/mediatek/mtk-mutex.c | 106 > > +++++++++++++++++++++++-- > > include/linux/soc/mediatek/mtk-mutex.h | 8 ++ > > 2 files changed, 108 insertions(+), 6 deletions(-) > > > > diff --git a/drivers/soc/mediatek/mtk-mutex.c > > b/drivers/soc/mediatek/mtk-mutex.c > > index 2e4bcc300576..935f2849a094 100644 > > --- a/drivers/soc/mediatek/mtk-mutex.c > > +++ b/drivers/soc/mediatek/mtk-mutex.c > > @@ -7,9 +7,11 @@ > > #include > > #include > > #include > > +#include > > #include > > #include > > #include > > +#include > > #include > > > > #define MT2701_MUTEX0_MOD0 0x2c > > @@ -107,6 +109,10 @@ > > #define MT8183_MUTEX_EOF_DSI0 (MT8183_MUTEX_S > > OF_DSI0 << 6) > > #define MT8183_MUTEX_EOF_DPI0 (MT8183_MUTEX_S > > OF_DPI0 << 6) > > > > +#define MT8183_MUTEX_MDP_START 5 > > +#define MT8183_MUTEX_MDP_MOD_MASK 0x07FFFFFF > > +#define MT8183_MUTEX_MDP_SOF_MASK 0x00000007 > > + > > struct mtk_mutex { > > int id; > > bool claimed; > > @@ -123,11 +129,14 @@ enum mtk_mutex_sof_id { > > }; > > > > struct mtk_mutex_data { > > - const unsigned int *mutex_mod; > > - const unsigned int *mutex_sof; > > - const unsigned int mutex_mod_reg; > > - const unsigned int mutex_sof_reg; > > - const bool no_clk; > > + const unsigned int *mutex_mod; > > + const unsigned int *mutex_sof; > > + const unsigned int mutex_mod_reg; > > + const unsigned int mutex_sof_reg; > > + const unsigned int *mutex_mdp_offset; > > + const unsigned int mutex_mdp_mod_mask; > > + const unsigned int mutex_mdp_sof_mask; > > + const bool no_clk; > > Not needed, please drop. > > > }; > > > > struct mtk_mutex_ctx { > > @@ -136,6 +145,8 @@ struct mtk_mutex_ctx { > > void __iomem *regs; > > struct mtk_mutex mutex[10]; > > const struct mtk_mutex_data *data; > > + phys_addr_t addr; > > + u8 subsys_id; > > }; > > > > static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] > > = { > > @@ -238,6 +249,14 @@ static const unsigned int > > mt8183_mutex_sof[MUTEX_SOF_DSI3 + 1] = { > > [MUTEX_SOF_DPI0] = MT8183_MUTEX_SOF_DPI0 | > > MT8183_MUTEX_EOF_DPI0, > > }; > > > > +/* indicate which mutex is used by each pipepline */ > > +static const unsigned int mt8183_mutex_mdp_offset[MDP_PIPE_MAX] = > > { > > Does this code even compile? > There is some basic rules for patches, for example that they have to > compile, > don't break anything etc. > Please read the documentation and stick to it, before submitting > patches: > https://urldefense.com/v3/__https://www.kernel.org/doc/html/latest/process/submitting-patches.html__;!!CTRNKA9wMg0ARbw!ydpwywaE1_wrjDqXOQ2N-a98Tw2kejngWaJOgZAWmh-y8tBOW0M_BRXfuhKHSZQ9$ > > > Regards, > Matthias Hi Matthias, I shouldn't have applied patches directly after chip compatibility testing in internal codebase that it had to resolve some conflict and been recorded automatically by GIT. Sorry for the inconvenience, those redundant codes that cause compilation errors will be removed and confirmed in future versions. Thanks & Regards, Moudy Ho > > > + [MDP_PIPE_IMGI] = MT8183_MUTEX_MDP_START, > > + [MDP_PIPE_RDMA0] = MT8183_MUTEX_MDP_START + 1, > > + [MDP_PIPE_WPEI] = MT8183_MUTEX_MDP_START + 2, > > + [MDP_PIPE_WPEI2] = MT8183_MUTEX_MDP_START + 3 > > +}; > > + > > static const struct mtk_mutex_data mt2701_mutex_driver_data = { > > .mutex_mod = mt2701_mutex_mod, > > .mutex_sof = mt2712_mutex_sof, > > @@ -272,6 +291,9 @@ static const struct mtk_mutex_data > > mt8183_mutex_driver_data = { > > .mutex_sof = mt8183_mutex_sof, > > .mutex_mod_reg = MT8183_MUTEX0_MOD0, > > .mutex_sof_reg = MT8183_MUTEX0_SOF0, > > + .mutex_mdp_offset = mt8183_mutex_mdp_offset, > > + .mutex_mdp_mod_mask = MT8183_MUTEX_MDP_MOD_MASK, > > + .mutex_mdp_sof_mask = MT8183_MUTEX_MDP_SOF_MASK, > > .no_clk = true, > > }; > > > > @@ -290,6 +312,21 @@ struct mtk_mutex *mtk_mutex_get(struct device > > *dev) > > } > > EXPORT_SYMBOL_GPL(mtk_mutex_get); > > > > +struct mtk_mutex *mtk_mutex_mdp_get(struct device *dev, > > + enum mtk_mdp_pipe_id id) > > +{ > > + struct mtk_mutex_ctx *mtx = dev_get_drvdata(dev); > > + int i = mtx->data->mutex_mdp_offset[id]; > > + > > + if (!mtx->mutex[i].claimed) { > > + mtx->mutex[i].claimed = true; > > + return &mtx->mutex[i]; > > + } > > + > > + return ERR_PTR(-EBUSY); > > +} > > +EXPORT_SYMBOL_GPL(mtk_mutex_mdp_get); > > + > > void mtk_mutex_put(struct mtk_mutex *mutex) > > { > > struct mtk_mutex_ctx *mtx = container_of(mutex, struct > > mtk_mutex_ctx, > > @@ -369,6 +406,25 @@ void mtk_mutex_add_comp(struct mtk_mutex > > *mutex, > > } > > EXPORT_SYMBOL_GPL(mtk_mutex_add_comp); > > > > +void mtk_mutex_add_mdp_mod(struct mtk_mutex *mutex, u32 mod, > > + struct mmsys_cmdq_cmd *cmd) > > +{ > > + struct mtk_mutex_ctx *mtx = container_of(mutex, struct > > mtk_mutex_ctx, > > + mutex[mutex->id]); > > + unsigned int offset; > > + > > + WARN_ON(&mtx->mutex[mutex->id] != mutex); > > + > > + offset = DISP_REG_MUTEX_MOD(mtx->data->mutex_mod_reg, mutex- > > >id); > > + cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id, mtx->addr + > > offset, > > + mod, mtx->data->mutex_mdp_mod_mask); > > + > > + offset = DISP_REG_MUTEX_SOF(mtx->data->mutex_sof_reg, mutex- > > >id); > > + cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id, mtx->addr + > > offset, > > + 0, mtx->data->mutex_mdp_sof_mask); > > +} > > +EXPORT_SYMBOL_GPL(mtk_mutex_add_mdp_mod); > > + > > void mtk_mutex_remove_comp(struct mtk_mutex *mutex, > > enum mtk_ddp_comp_id id) > > { > > @@ -420,6 +476,20 @@ void mtk_mutex_enable(struct mtk_mutex *mutex) > > } > > EXPORT_SYMBOL_GPL(mtk_mutex_enable); > > > > +void mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex, > > + struct mmsys_cmdq_cmd *cmd) > > +{ > > + struct mtk_mutex_ctx *mtx = container_of(mutex, struct > > mtk_mutex_ctx, > > + mutex[mutex->id]); > > + > > + WARN_ON(&mtx->mutex[mutex->id] != mutex); > > + > > + cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id, > > + mtx->addr + DISP_REG_MUTEX_EN(mutex->id), > > + 0x1, 0x00000001); > > +} > > +EXPORT_SYMBOL_GPL(mtk_mutex_enable_by_cmdq); > > + > > void mtk_mutex_disable(struct mtk_mutex *mutex) > > { > > struct mtk_mutex_ctx *mtx = container_of(mutex, struct > > mtk_mutex_ctx, > > @@ -431,6 +501,20 @@ void mtk_mutex_disable(struct mtk_mutex > > *mutex) > > } > > EXPORT_SYMBOL_GPL(mtk_mutex_disable); > > > > +void mtk_mutex_disable_by_cmdq(struct mtk_mutex *mutex, > > + struct mmsys_cmdq_cmd *cmd) > > +{ > > + struct mtk_mutex_ctx *mtx = container_of(mutex, struct > > mtk_mutex_ctx, > > + mutex[mutex->id]); > > + > > + WARN_ON(&mtx->mutex[mutex->id] != mutex); > > + > > + cmdq_pkt_write_mask(cmd->pkt, mtx->subsys_id, > > + mtx->addr + DISP_REG_MUTEX_EN(mutex->id), > > + 0x0, 0x00000001); > > +} > > +EXPORT_SYMBOL_GPL(mtk_mutex_disable_by_cmdq); > > + > > void mtk_mutex_acquire(struct mtk_mutex *mutex) > > { > > struct mtk_mutex_ctx *mtx = container_of(mutex, struct > > mtk_mutex_ctx, > > @@ -458,7 +542,8 @@ static int mtk_mutex_probe(struct > > platform_device *pdev) > > { > > struct device *dev = &pdev->dev; > > struct mtk_mutex_ctx *mtx; > > - struct resource *regs; > > + struct cmdq_client_reg cmdq_reg; > > + struct resource *regs, addr; > > int i; > > > > mtx = devm_kzalloc(dev, sizeof(*mtx), GFP_KERNEL); > > @@ -479,6 +564,15 @@ static int mtk_mutex_probe(struct > > platform_device *pdev) > > } > > } > > > > + if (of_address_to_resource(dev->of_node, 0, &addr) < 0) > > + mtx->addr = 0L; > > + else > > + mtx->addr = addr.start; > > + > > + if (cmdq_dev_get_client_reg(dev, &cmdq_reg, 0) != 0) > > + dev_info(dev, "cmdq subsys id has not been set\n"); > > + mtx->subsys_id = cmdq_reg.subsys; > > + > > regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); > > mtx->regs = devm_ioremap_resource(dev, regs); > > if (IS_ERR(mtx->regs)) { > > diff --git a/include/linux/soc/mediatek/mtk-mutex.h > > b/include/linux/soc/mediatek/mtk-mutex.h > > index 6fe4ffbde290..d08b98419dd9 100644 > > --- a/include/linux/soc/mediatek/mtk-mutex.h > > +++ b/include/linux/soc/mediatek/mtk-mutex.h > > @@ -11,11 +11,19 @@ struct device; > > struct mtk_mutex; > > > > struct mtk_mutex *mtk_mutex_get(struct device *dev); > > +struct mtk_mutex *mtk_mutex_mdp_get(struct device *dev, > > + enum mtk_mdp_pipe_id id); > > int mtk_mutex_prepare(struct mtk_mutex *mutex); > > void mtk_mutex_add_comp(struct mtk_mutex *mutex, > > enum mtk_ddp_comp_id id); > > +void mtk_mutex_add_mdp_mod(struct mtk_mutex *mutex, u32 mod, > > + struct mmsys_cmdq_cmd *cmd); > > void mtk_mutex_enable(struct mtk_mutex *mutex); > > +void mtk_mutex_enable_by_cmdq(struct mtk_mutex *mutex, > > + struct mmsys_cmdq_cmd *cmd); > > void mtk_mutex_disable(struct mtk_mutex *mutex); > > +void mtk_mutex_disable_by_cmdq(struct mtk_mutex *mutex, > > + struct mmsys_cmdq_cmd *cmd); > > void mtk_mutex_remove_comp(struct mtk_mutex *mutex, > > enum mtk_ddp_comp_id id); > > void mtk_mutex_unprepare(struct mtk_mutex *mutex); > > _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek