From patchwork Thu Nov 24 12:38:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?TW91ZHkgSG8gKOS9leWul+WOnyk=?= X-Patchwork-Id: 87767 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1oyBVk-00BFj8-S8; Thu, 24 Nov 2022 12:39:25 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229775AbiKXMjV (ORCPT + 1 other); Thu, 24 Nov 2022 07:39:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229777AbiKXMjQ (ORCPT ); Thu, 24 Nov 2022 07:39:16 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5198980993; Thu, 24 Nov 2022 04:39:12 -0800 (PST) X-UUID: 8f2debf9cd0a411eab4be53a624ed5ea-20221124 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=vm2zmfJ+Mcm9nTCE6sbgalQOq7HrrFMMPIA7LvkpGXs=; b=Ea2CNeXObf82j42LBNeooXxwzMSHcMUPFAEuijK8l8HzxoVt46KIThJV0mp6Z5/KLfNNQ1/xiF4naf2zq39nyvMyogi7r2osohm+pt0xUhZx4nrbn49j/u3N7lRO8brG7sP0J1t1euh7d0X6TX2U+7B3eL7gOnkXHeYXgVWzkl4=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.14,REQID:8fe1d64d-fc10-40d8-8f08-e52f00235856,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:dcaaed0,CLOUDID:968c25dc-6ad4-42ff-91f3-18e0272db660,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: 8f2debf9cd0a411eab4be53a624ed5ea-20221124 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1692163885; Thu, 24 Nov 2022 20:39:02 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Thu, 24 Nov 2022 20:39:02 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Thu, 24 Nov 2022 20:39:02 +0800 From: Moudy Ho To: Mauro Carvalho Chehab , Matthias Brugger , Hans Verkuil CC: Chun-Kuang Hu , , , , , Moudy Ho Subject: [PATCH v4 6/9] media: platform: mtk-mdp3: chip config split about pipe info Date: Thu, 24 Nov 2022 20:38:56 +0800 Message-ID: <20221124123859.24395-7-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20221124123859.24395-1-moudy.ho@mediatek.com> References: <20221124123859.24395-1-moudy.ho@mediatek.com> MIME-Version: 1.0 X-MTK: N X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS, SPF_PASS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.5 (--) X-LSpam-Report: No, score=-2.5 required=5.0 tests=BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no In MDP3, a pipe is used to represent a data path which consisting of different components and MUTEX, as shown in the following diagram: +----------------------------+ | MUTEX [*1] | +----------------------------+ S ^ S ^ S ^ S ^ S ^ | | | | | | | | | | | | | | | | | | | | +--------------+ | | | | | | | | +-------------+ | +--------------+ | | | | | | +-------------+ | | | +------+ | | | | +------+ | | | | | +------+ | | +------+ | | | | | | | | | | | | | | | | | | | | | | | v E v E v E v E v E +-------+ +-----+ +-------+ +-----+ +-------+ B>--->| RDMA0 |>-->| PQ |>-->| RSZ0 |>-->| PQ |>-->| WROT0 |>-->B +-------+ +-----+ +-------+ +-----+ +-------+ [*1] MUTEX is SOF/EOF signal controller [*2] S = Start of frame (SOF) [*3] E = End of frame (EOF) [*4] B = frame buffer More pipes will be introduced in future chip for applications such as higher frame rate frequency, which should move the relevant information into the chip configuration header file. Signed-off-by: Moudy Ho --- .../mediatek/mdp3/mt8183/mdp3-plat-mt8183.h | 7 ++++++ .../platform/mediatek/mdp3/mtk-mdp3-cmdq.c | 23 ++++++++++++------- .../platform/mediatek/mdp3/mtk-mdp3-core.c | 15 ++++++++---- .../platform/mediatek/mdp3/mtk-mdp3-core.h | 7 ++++++ 4 files changed, 39 insertions(+), 13 deletions(-) diff --git a/drivers/media/platform/mediatek/mdp3/mt8183/mdp3-plat-mt8183.h b/drivers/media/platform/mediatek/mdp3/mt8183/mdp3-plat-mt8183.h index c541176780aa..eb0ab1880fe2 100644 --- a/drivers/media/platform/mediatek/mdp3/mt8183/mdp3-plat-mt8183.h +++ b/drivers/media/platform/mediatek/mdp3/mt8183/mdp3-plat-mt8183.h @@ -21,6 +21,13 @@ static const struct of_device_id mt8183_mdp_probe_infra[MDP_INFRA_MAX] = { [MDP_INFRA_SCP] = { .compatible = "mediatek,mt8183-scp" } }; +static const struct mdp_pipe_info mt8183_pipe_info[] = { + [MDP_PIPE_RDMA0] = {MDP_PIPE_RDMA0, 0}, + [MDP_PIPE_IMGI] = {MDP_PIPE_IMGI, 1}, + [MDP_PIPE_WPEI] = {MDP_PIPE_WPEI, 2}, + [MDP_PIPE_WPEI2] = {MDP_PIPE_WPEI2, 3} +}; + static const u32 mt8183_mutex_idx[MDP_MAX_COMP_COUNT] = { [MDP_COMP_RDMA0] = MUTEX_MOD_IDX_MDP_RDMA0, [MDP_COMP_RSZ0] = MUTEX_MOD_IDX_MDP_RSZ0, diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c index dcd77f65b0e3..bff14e4944c5 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c @@ -50,21 +50,22 @@ static int mdp_path_subfrm_require(const struct mdp_path *path, /* Decide which mutex to use based on the current pipeline */ switch (path->comps[0].comp->public_id) { case MDP_COMP_RDMA0: - *mutex_id = MDP_PIPE_RDMA0; + index = MDP_PIPE_RDMA0; break; case MDP_COMP_ISP_IMGI: - *mutex_id = MDP_PIPE_IMGI; + index = MDP_PIPE_IMGI; break; case MDP_COMP_WPEI: - *mutex_id = MDP_PIPE_WPEI; + index = MDP_PIPE_WPEI; break; case MDP_COMP_WPEI2: - *mutex_id = MDP_PIPE_WPEI2; + index = MDP_PIPE_WPEI2; break; default: dev_err(dev, "Unknown pipeline and no mutex is assigned"); return -EINVAL; } + *mutex_id = data->pipe_info[index].mutex_id; /* Set mutex mod */ for (index = 0; index < config->num_components; index++) { @@ -286,11 +287,13 @@ static void mdp_auto_release_work(struct work_struct *work) { struct mdp_cmdq_cmd *cmd; struct mdp_dev *mdp; + int id; cmd = container_of(work, struct mdp_cmdq_cmd, auto_release_work); mdp = cmd->mdp; - mtk_mutex_unprepare(mdp->mdp_mutex[MDP_PIPE_RDMA0]); + id = mdp->mdp_data->pipe_info[MDP_PIPE_RDMA0].mutex_id; + mtk_mutex_unprepare(mdp->mdp_mutex[id]); mdp_comp_clocks_off(&mdp->pdev->dev, cmd->comps, cmd->num_comps); @@ -310,6 +313,7 @@ static void mdp_handle_cmdq_callback(struct mbox_client *cl, void *mssg) struct cmdq_cb_data *data; struct mdp_dev *mdp; struct device *dev; + int id; if (!mssg) { pr_info("%s:no callback data\n", __func__); @@ -335,7 +339,8 @@ static void mdp_handle_cmdq_callback(struct mbox_client *cl, void *mssg) INIT_WORK(&cmd->auto_release_work, mdp_auto_release_work); if (!queue_work(mdp->clock_wq, &cmd->auto_release_work)) { dev_err(dev, "%s:queue_work fail!\n", __func__); - mtk_mutex_unprepare(mdp->mdp_mutex[MDP_PIPE_RDMA0]); + id = mdp->mdp_data->pipe_info[MDP_PIPE_RDMA0].mutex_id; + mtk_mutex_unprepare(mdp->mdp_mutex[id]); mdp_comp_clocks_off(&mdp->pdev->dev, cmd->comps, cmd->num_comps); @@ -387,7 +392,8 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param) goto err_free_comps; } - ret = mtk_mutex_prepare(mdp->mdp_mutex[MDP_PIPE_RDMA0]); + i = mdp->mdp_data->pipe_info[MDP_PIPE_RDMA0].mutex_id; + ret = mtk_mutex_prepare(mdp->mdp_mutex[i]); if (ret) { dev_err(dev, "Fail to enable mutex clk\n"); goto err_free_path; @@ -453,7 +459,8 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param) mdp_comp_clocks_off(&mdp->pdev->dev, cmd->comps, cmd->num_comps); err_free_path: - mtk_mutex_unprepare(mdp->mdp_mutex[MDP_PIPE_RDMA0]); + i = mdp->mdp_data->pipe_info[MDP_PIPE_RDMA0].mutex_id; + mtk_mutex_unprepare(mdp->mdp_mutex[i]); kfree(path); err_free_comps: kfree(comps); diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c index 4b02c135b631..79acdccd0b60 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c @@ -24,6 +24,8 @@ static const struct mtk_mdp_driver_data mt8183_mdp_driver_data = { .mdp_mutex_table_idx = mt8183_mutex_idx, .comp_data = mt8183_mdp_comp_data, .comp_data_len = ARRAY_SIZE(mt8183_mdp_comp_data), + .pipe_info = mt8183_pipe_info, + .pipe_info_len = ARRAY_SIZE(mt8183_pipe_info), .format = mt8183_formats, .format_len = ARRAY_SIZE(mt8183_formats), .def_limit = &mt8183_mdp_def_limit, @@ -165,7 +167,7 @@ static int mdp_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct mdp_dev *mdp; struct platform_device *mm_pdev; - int ret, i; + int ret, i, mutex_id; mdp = kzalloc(sizeof(*mdp), GFP_KERNEL); if (!mdp) { @@ -188,9 +190,12 @@ static int mdp_probe(struct platform_device *pdev) ret = -ENODEV; goto err_destroy_device; } - for (i = 0; i < MDP_PIPE_MAX; i++) { - mdp->mdp_mutex[i] = mtk_mutex_get(&mm_pdev->dev); - if (!mdp->mdp_mutex[i]) { + for (i = 0; i < mdp->mdp_data->pipe_info_len; i++) { + mutex_id = mdp->mdp_data->pipe_info[i].mutex_id; + if (mdp->mdp_mutex[mutex_id]) + continue; + mdp->mdp_mutex[mutex_id] = mtk_mutex_get(&mm_pdev->dev); + if (!mdp->mdp_mutex[mutex_id]) { ret = -ENODEV; goto err_free_mutex; } @@ -271,7 +276,7 @@ static int mdp_probe(struct platform_device *pdev) err_deinit_comp: mdp_comp_destroy(mdp); err_free_mutex: - for (i = 0; i < MDP_PIPE_MAX; i++) + for (i = 0; i < mdp->mdp_data->pipe_info_len; i++) mtk_mutex_put(mdp->mdp_mutex[i]); err_destroy_device: kfree(mdp); diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h index 52f87e59ba9e..30f22bee89e6 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h @@ -57,6 +57,8 @@ struct mtk_mdp_driver_data { const u32 *mdp_mutex_table_idx; const struct mdp_comp_data *comp_data; unsigned int comp_data_len; + const struct mdp_pipe_info *pipe_info; + unsigned int pipe_info_len; const struct mdp_format *format; unsigned int format_len; const struct mdp_limit *def_limit; @@ -91,6 +93,11 @@ struct mdp_dev { atomic_t job_count; }; +struct mdp_pipe_info { + enum mdp_pipe_id pipe_id; + u32 mutex_id; +}; + int mdp_vpu_get_locked(struct mdp_dev *mdp); void mdp_vpu_put_locked(struct mdp_dev *mdp); int mdp_vpu_register(struct mdp_dev *mdp);