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From: Moudy Ho <moudy.ho@mediatek.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: Chun-Kuang Hu <chunkuang.hu@kernel.org>,
	<linux-media@vger.kernel.org>,
	<linux-mediatek@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>,
	<Project_Global_Chrome_Upstream_Group@mediatek.com>,
	Moudy Ho <moudy.ho@mediatek.com>
Subject: [PATCH v3 03/13] media: platform: mtk-mdp3: add support second sets of MMSYS
Date: Fri, 13 Jan 2023 17:03:11 +0800	[thread overview]
Message-ID: <20230113090321.25128-4-moudy.ho@mediatek.com> (raw)
In-Reply-To: <20230113090321.25128-1-moudy.ho@mediatek.com>

In MT8195, there are two sets of MMSYS named VPPSYS0 and VPPSYS1,
which are used to coordinate and control the clock, power and
register settings required by the components of MDP3.

Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
---
 .../mediatek/mdp3/mt8183/mdp3-plat-mt8183.h   | 36 ++++++++---------
 .../platform/mediatek/mdp3/mtk-mdp3-comp.h    |  1 +
 .../platform/mediatek/mdp3/mtk-mdp3-core.c    | 40 +++++++++++++------
 .../platform/mediatek/mdp3/mtk-mdp3-core.h    |  3 ++
 4 files changed, 49 insertions(+), 31 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 b1d4cbeda932..6dd06131e256 100644
--- a/drivers/media/platform/mediatek/mdp3/mt8183/mdp3-plat-mt8183.h
+++ b/drivers/media/platform/mediatek/mdp3/mt8183/mdp3-plat-mt8183.h
@@ -89,75 +89,75 @@ enum mt8183_mdp_comp_id {
 
 static const struct mdp_comp_data mt8183_mdp_comp_data[MDP_MAX_COMP_COUNT] = {
 	[MDP_COMP_WPEI] = {
-		{MDP_COMP_TYPE_WPEI, 0, MT8183_MDP_COMP_WPEI},
+		{MDP_COMP_TYPE_WPEI, 0, MT8183_MDP_COMP_WPEI, 0},
 		{0, 0, 0}
 	},
 	[MDP_COMP_WPEO] = {
-		{MDP_COMP_TYPE_EXTO, 2, MT8183_MDP_COMP_WPEO},
+		{MDP_COMP_TYPE_EXTO, 2, MT8183_MDP_COMP_WPEO, 0},
 		{0, 0, 0}
 	},
 	[MDP_COMP_WPEI2] = {
-		{MDP_COMP_TYPE_WPEI, 1, MT8183_MDP_COMP_WPEI2},
+		{MDP_COMP_TYPE_WPEI, 1, MT8183_MDP_COMP_WPEI2, 0},
 		{0, 0, 0}
 	},
 	[MDP_COMP_WPEO2] = {
-		{MDP_COMP_TYPE_EXTO, 3, MT8183_MDP_COMP_WPEO2},
+		{MDP_COMP_TYPE_EXTO, 3, MT8183_MDP_COMP_WPEO2, 0},
 		{0, 0, 0}
 	},
 	[MDP_COMP_ISP_IMGI] = {
-		{MDP_COMP_TYPE_IMGI, 0, MT8183_MDP_COMP_ISP_IMGI},
+		{MDP_COMP_TYPE_IMGI, 0, MT8183_MDP_COMP_ISP_IMGI, 0},
 		{0, 0, 4}
 	},
 	[MDP_COMP_ISP_IMGO] = {
-		{MDP_COMP_TYPE_EXTO, 0, MT8183_MDP_COMP_ISP_IMGO},
+		{MDP_COMP_TYPE_EXTO, 0, MT8183_MDP_COMP_ISP_IMGO, 0},
 		{0, 0, 4}
 	},
 	[MDP_COMP_ISP_IMG2O] = {
-		{MDP_COMP_TYPE_EXTO, 1, MT8183_MDP_COMP_ISP_IMG2O},
+		{MDP_COMP_TYPE_EXTO, 1, MT8183_MDP_COMP_ISP_IMG2O, 0},
 		{0, 0, 0}
 	},
 	[MDP_COMP_CAMIN] = {
-		{MDP_COMP_TYPE_DL_PATH, 0, MT8183_MDP_COMP_CAMIN},
+		{MDP_COMP_TYPE_DL_PATH, 0, MT8183_MDP_COMP_CAMIN, 0},
 		{2, 2, 1}
 	},
 	[MDP_COMP_CAMIN2] = {
-		{MDP_COMP_TYPE_DL_PATH, 1, MT8183_MDP_COMP_CAMIN2},
+		{MDP_COMP_TYPE_DL_PATH, 1, MT8183_MDP_COMP_CAMIN2, 0},
 		{2, 4, 1}
 	},
 	[MDP_COMP_RDMA0] = {
-		{MDP_COMP_TYPE_RDMA, 0, MT8183_MDP_COMP_RDMA0},
+		{MDP_COMP_TYPE_RDMA, 0, MT8183_MDP_COMP_RDMA0, 0},
 		{2, 0, 0}
 	},
 	[MDP_COMP_CCORR0] = {
-		{MDP_COMP_TYPE_CCORR, 0, MT8183_MDP_COMP_CCORR0},
+		{MDP_COMP_TYPE_CCORR, 0, MT8183_MDP_COMP_CCORR0, 0},
 		{1, 0, 0}
 	},
 	[MDP_COMP_RSZ0] = {
-		{MDP_COMP_TYPE_RSZ, 0, MT8183_MDP_COMP_RSZ0},
+		{MDP_COMP_TYPE_RSZ, 0, MT8183_MDP_COMP_RSZ0, 0},
 		{1, 0, 0}
 	},
 	[MDP_COMP_RSZ1] = {
-		{MDP_COMP_TYPE_RSZ, 1, MT8183_MDP_COMP_RSZ1},
+		{MDP_COMP_TYPE_RSZ, 1, MT8183_MDP_COMP_RSZ1, 0},
 		{1, 0, 0}
 	},
 	[MDP_COMP_TDSHP0] = {
-		{MDP_COMP_TYPE_TDSHP, 0, MT8183_MDP_COMP_TDSHP0},
+		{MDP_COMP_TYPE_TDSHP, 0, MT8183_MDP_COMP_TDSHP0, 0},
 		{0, 0, 0}
 	},
 	[MDP_COMP_PATH0_SOUT] = {
-		{MDP_COMP_TYPE_PATH, 0, MT8183_MDP_COMP_PATH0_SOUT},
+		{MDP_COMP_TYPE_PATH, 0, MT8183_MDP_COMP_PATH0_SOUT, 0},
 		{0, 0, 0}
 	},
 	[MDP_COMP_PATH1_SOUT] = {
-		{MDP_COMP_TYPE_PATH, 1, MT8183_MDP_COMP_PATH1_SOUT},
+		{MDP_COMP_TYPE_PATH, 1, MT8183_MDP_COMP_PATH1_SOUT, 0},
 		{0, 0, 0}
 	},
 	[MDP_COMP_WROT0] = {
-		{MDP_COMP_TYPE_WROT, 0, MT8183_MDP_COMP_WROT0},
+		{MDP_COMP_TYPE_WROT, 0, MT8183_MDP_COMP_WROT0, 0},
 		{1, 0, 0}
 	},
 	[MDP_COMP_WDMA] = {
-		{MDP_COMP_TYPE_WDMA, 0, MT8183_MDP_COMP_WDMA},
+		{MDP_COMP_TYPE_WDMA, 0, MT8183_MDP_COMP_WDMA, 0},
 		{1, 0, 0}
 	},
 };
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h
index 8d2ab9184f58..acb7ce69dbf3 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h
@@ -138,6 +138,7 @@ struct mdp_comp_match {
 	enum mdp_comp_type type;
 	u32 alias_id;
 	s32 inner_id;
+	u32 mmsys_id;
 };
 
 /* Used to describe the item order in MDP property */
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
index 8daa7245c90b..927d3d65751a 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
@@ -41,39 +41,45 @@ static const struct of_device_id mdp_of_ids[] = {
 MODULE_DEVICE_TABLE(of, mdp_of_ids);
 
 static struct platform_device *__get_pdev_by_id(struct platform_device *pdev,
+						struct platform_device *from,
 						enum mdp_infra_id id)
 {
-	struct device_node *node;
+	struct device_node *node, *f = NULL;
 	struct platform_device *mdp_pdev = NULL;
 	const struct mtk_mdp_driver_data *mdp_data;
 	const char *compat;
 
 	if (!pdev)
-		return NULL;
+		return ERR_PTR(-ENODEV);
 
 	if (id < MDP_INFRA_MMSYS || id >= MDP_INFRA_MAX) {
 		dev_err(&pdev->dev, "Illegal infra id %d\n", id);
-		return NULL;
+		return ERR_PTR(-ENODEV);
 	}
 
 	mdp_data = of_device_get_match_data(&pdev->dev);
 	if (!mdp_data) {
 		dev_err(&pdev->dev, "have no driver data to find node\n");
-		return NULL;
+		return ERR_PTR(-ENODEV);
 	}
+
 	compat = mdp_data->mdp_probe_infra[id].compatible;
+	if (strlen(compat) == 0)
+		return NULL;
 
-	node = of_find_compatible_node(NULL, NULL, compat);
+	if (from)
+		f = from->dev.of_node;
+	node = of_find_compatible_node(f, NULL, compat);
 	if (WARN_ON(!node)) {
 		dev_err(&pdev->dev, "find node from id %d failed\n", id);
-		return NULL;
+		return ERR_PTR(-ENODEV);
 	}
 
 	mdp_pdev = of_find_device_by_node(node);
 	of_node_put(node);
 	if (WARN_ON(!mdp_pdev)) {
 		dev_err(&pdev->dev, "find pdev from id %d failed\n", id);
-		return NULL;
+		return ERR_PTR(-ENODEV);
 	}
 
 	return mdp_pdev;
@@ -167,7 +173,7 @@ static int mdp_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct mdp_dev *mdp;
-	struct platform_device *mm_pdev;
+	struct platform_device *mm_pdev, *mm2_pdev;
 	int ret, i, mutex_id;
 
 	mdp = kzalloc(sizeof(*mdp), GFP_KERNEL);
@@ -179,15 +185,23 @@ static int mdp_probe(struct platform_device *pdev)
 	mdp->pdev = pdev;
 	mdp->mdp_data = of_device_get_match_data(&pdev->dev);
 
-	mm_pdev = __get_pdev_by_id(pdev, MDP_INFRA_MMSYS);
-	if (!mm_pdev) {
+	mm_pdev = __get_pdev_by_id(pdev, NULL, MDP_INFRA_MMSYS);
+	if (IS_ERR_OR_NULL(mm_pdev)) {
 		ret = -ENODEV;
 		goto err_destroy_device;
 	}
 	mdp->mdp_mmsys = &mm_pdev->dev;
 
-	mm_pdev = __get_pdev_by_id(pdev, MDP_INFRA_MUTEX);
-	if (WARN_ON(!mm_pdev)) {
+	/* Not all chips have MMSYS2, config may be null */
+	mm2_pdev = __get_pdev_by_id(pdev, mm_pdev, MDP_INFRA_MMSYS2);
+	if (IS_ERR(mm2_pdev)) {
+		ret = PTR_ERR(mm2_pdev);
+		goto err_destroy_device;
+	}
+	mdp->mdp_mmsys2 = &mm2_pdev->dev;
+
+	mm_pdev = __get_pdev_by_id(pdev, NULL, MDP_INFRA_MUTEX);
+	if (IS_ERR_OR_NULL(mm_pdev)) {
 		ret = -ENODEV;
 		goto err_destroy_device;
 	}
@@ -223,7 +237,7 @@ static int mdp_probe(struct platform_device *pdev)
 		goto err_destroy_job_wq;
 	}
 
-	mm_pdev = __get_pdev_by_id(pdev, MDP_INFRA_SCP);
+	mm_pdev = __get_pdev_by_id(pdev, NULL, MDP_INFRA_SCP);
 	if (WARN_ON(!mm_pdev)) {
 		dev_err(&pdev->dev, "Could not get scp device\n");
 		ret = -ENODEV;
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
index b7288fe15134..0b40ccfd376c 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
@@ -20,6 +20,7 @@
 
 enum mdp_infra_id {
 	MDP_INFRA_MMSYS,
+	MDP_INFRA_MMSYS2,
 	MDP_INFRA_MUTEX,
 	MDP_INFRA_SCP,
 	MDP_INFRA_MAX
@@ -68,6 +69,7 @@ struct mtk_mdp_driver_data {
 struct mdp_dev {
 	struct platform_device			*pdev;
 	struct device				*mdp_mmsys;
+	struct device				*mdp_mmsys2;
 	struct mtk_mutex			*mdp_mutex[MDP_PIPE_MAX];
 	struct mdp_comp				*comp[MDP_MAX_COMP_COUNT];
 	const struct mtk_mdp_driver_data	*mdp_data;
@@ -96,6 +98,7 @@ struct mdp_dev {
 
 struct mdp_pipe_info {
 	enum mdp_pipe_id pipe_id;
+	u32 mmsys_id;
 	u32 mutex_id;
 };
 
-- 
2.18.0


  parent reply	other threads:[~2023-01-13  9:03 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-13  9:03 [PATCH v3 00/13] add support MDP3 on MT8195 platform Moudy Ho
2023-01-13  9:03 ` [PATCH v3 01/13] dt-binding: mediatek: add bindings for MediaTek mt8195 MDP3 components Moudy Ho
2023-01-13 10:23   ` Krzysztof Kozlowski
2023-01-16  2:12     ` Moudy Ho (何宗原)
2023-01-13  9:03 ` [PATCH v3 02/13] arm64: dts: mediatek: mt8195: add MDP3 nodes Moudy Ho
2023-01-13  9:03 ` Moudy Ho [this message]
2023-01-13  9:03 ` [PATCH v3 04/13] media: platform: mtk-mdp3: add support second sets of MUTEX Moudy Ho
2023-01-13  9:03 ` [PATCH v3 05/13] media: platform: mtk-mdp3: introduce more MDP3 components Moudy Ho
2023-01-13  9:03 ` [PATCH v3 06/13] media: platform: mtk-mdp3: add checks for dummy components Moudy Ho
2023-01-13  9:03 ` [PATCH v3 07/13] media: platform: mtk-mdp3: avoid multiple driver registrations Moudy Ho
2023-01-13  9:03 ` [PATCH v3 08/13] media: platform: mtk-mdp3: extend GCE event waiting in RDMA and WROT Moudy Ho
2023-01-13  9:03 ` [PATCH v3 09/13] media: platform: mtk-mdp3: add the blend of component in MUTEX MOD Moudy Ho
2023-01-13  9:03 ` [PATCH v3 10/13] media: platform: mtk-mdp3: add mt8195 platform configuration Moudy Ho
2023-01-13  9:03 ` [PATCH v3 11/13] media: platform: mtk-mdp3: add mt8195 shared memory configurations Moudy Ho
2023-01-13  9:03 ` [PATCH v3 12/13] media: platform: mtk-mdp3: add mt8195 MDP3 component settings Moudy Ho
2023-01-13  9:03 ` [PATCH v3 13/13] media: platform: mtk-mdp3: add support for parallel pipe to improve FPS Moudy Ho

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