MT8195 has two MMSYS sets, VPPSYS0 and VPPSYS1.
These sets coordinate and control the clock, power, and
register settings needed for the components of MDP3.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
---
.../platform/mediatek/mdp3/mdp_cfg_data.c | 44 +++++++++----------
.../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, 53 insertions(+), 35 deletions(-)
diff --git a/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c b/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c
index 502eeae0bfdc..58792902abb5 100644
--- a/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c
+++ b/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c
@@ -73,75 +73,75 @@ static const u32 mt8183_mutex_idx[MDP_MAX_COMP_COUNT] = {
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}
},
};
@@ -402,10 +402,10 @@ static const struct mdp_limit mt8183_mdp_def_limit = {
};
static const struct mdp_pipe_info mt8183_pipe_info[] = {
- [MDP_PIPE_WPEI] = {MDP_PIPE_WPEI, 0},
- [MDP_PIPE_WPEI2] = {MDP_PIPE_WPEI2, 1},
- [MDP_PIPE_IMGI] = {MDP_PIPE_IMGI, 2},
- [MDP_PIPE_RDMA0] = {MDP_PIPE_RDMA0, 3}
+ [MDP_PIPE_WPEI] = {MDP_PIPE_WPEI, 0, 0},
+ [MDP_PIPE_WPEI2] = {MDP_PIPE_WPEI2, 0, 1},
+ [MDP_PIPE_IMGI] = {MDP_PIPE_IMGI, 0, 2},
+ [MDP_PIPE_RDMA0] = {MDP_PIPE_RDMA0, 0, 3}
};
const struct mtk_mdp_driver_data mt8183_mdp_driver_data = {
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h
index 20d2bcb77ef9..ddc6b654864a 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 cc44be10fdb7..9c33d3aaf9cd 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
@@ -26,39 +26,45 @@ 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;
@@ -152,7 +158,7 @@ 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);
@@ -164,15 +170,23 @@ 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)) {
+ /* MMSYS2 is not available on all chips, so the 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;
}
@@ -208,7 +222,7 @@ 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 7e21d226ceb8..0434b70e1fc9 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
Il 12/09/23 09:57, Moudy Ho ha scritto: > MT8195 has two MMSYS sets, VPPSYS0 and VPPSYS1. > These sets coordinate and control the clock, power, and > register settings needed for the components of MDP3. > > Signed-off-by: Moudy Ho <moudy.ho@mediatek.com> > --- > .../platform/mediatek/mdp3/mdp_cfg_data.c | 44 +++++++++---------- > .../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, 53 insertions(+), 35 deletions(-) > > diff --git a/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c b/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c > index 502eeae0bfdc..58792902abb5 100644 > --- a/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c > +++ b/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c > @@ -73,75 +73,75 @@ static const u32 mt8183_mutex_idx[MDP_MAX_COMP_COUNT] = { > > 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} > }, > }; > @@ -402,10 +402,10 @@ static const struct mdp_limit mt8183_mdp_def_limit = { > }; > > static const struct mdp_pipe_info mt8183_pipe_info[] = { > - [MDP_PIPE_WPEI] = {MDP_PIPE_WPEI, 0}, > - [MDP_PIPE_WPEI2] = {MDP_PIPE_WPEI2, 1}, > - [MDP_PIPE_IMGI] = {MDP_PIPE_IMGI, 2}, > - [MDP_PIPE_RDMA0] = {MDP_PIPE_RDMA0, 3} > + [MDP_PIPE_WPEI] = {MDP_PIPE_WPEI, 0, 0}, > + [MDP_PIPE_WPEI2] = {MDP_PIPE_WPEI2, 0, 1}, > + [MDP_PIPE_IMGI] = {MDP_PIPE_IMGI, 0, 2}, > + [MDP_PIPE_RDMA0] = {MDP_PIPE_RDMA0, 0, 3} > }; > > const struct mtk_mdp_driver_data mt8183_mdp_driver_data = { > diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.h > index 20d2bcb77ef9..ddc6b654864a 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 cc44be10fdb7..9c33d3aaf9cd 100644 > --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c > +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c > @@ -26,39 +26,45 @@ 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); > Fixing the error handling shall be done in a different commit, which shall also have a Fixes tag: this is both for backporting purposes and because those fixes are not relevant to adding support for secondary sets of MMSYS (so, those are not relevant for this specific commit). > 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; > @@ -152,7 +158,7 @@ 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); > @@ -164,15 +170,23 @@ 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)) { > + /* MMSYS2 is not available on all chips, so the 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; > } > @@ -208,7 +222,7 @@ 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 7e21d226ceb8..0434b70e1fc9 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; I'm wondering if this would become more readable by doing it like so: struct mdp_dev_infra { struct device *mmsys; struct mtk_mutex *mtk_mutex[MDP_PIPE_MAX]; } struct mdp_dev { struct platform_device *pdev; struct mdp_dev_infra mdp_infra; ..... } so that you can add the secondary MMSYS (that goes along with the secondary MUTEX anyway) by then changing mdp_infra to struct mtk_dev_infra mdp_infra[NUM_MMSYS]; and then referencing that like mdp->mdp_infra[MDP_INFRA_MMSYS0]->mmsys mdp->mdp_infra[MDP_INFRA_MMSYS0]->mtk_mutex mdp->mdp_infra[MDP_INFRA_MMSYS1]->mmsys mdp->mdp_infra[MDP_INFRA_MMSYS1]->mtk_mutex What do you think? Regards, Angelo > 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; > }; >
Hi Angelo, On Tue, 2023-09-12 at 11:18 +0200, AngeloGioacchino Del Regno wrote: > Il 12/09/23 09:57, Moudy Ho ha scritto: > > MT8195 has two MMSYS sets, VPPSYS0 and VPPSYS1. > > These sets coordinate and control the clock, power, and > > register settings needed for the components of MDP3. > > > > Signed-off-by: Moudy Ho <moudy.ho@mediatek.com> > > --- > > .../platform/mediatek/mdp3/mdp_cfg_data.c | 44 +++++++++----- > > ----- > > .../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, 53 insertions(+), 35 deletions(-) (snip) > > diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c > > b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c > > index cc44be10fdb7..9c33d3aaf9cd 100644 > > --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c > > +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c > > @@ -26,39 +26,45 @@ 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); > > > > Fixing the error handling shall be done in a different commit, which > shall also > have a Fixes tag: this is both for backporting purposes and because > those fixes > are not relevant to adding support for secondary sets of MMSYS (so, > those are > not relevant for this specific commit). > Thanks forreminding me. I will address this error handing separately in a dedicated fix patch. > > 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; > > @@ -152,7 +158,7 @@ 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); > > @@ -164,15 +170,23 @@ 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)) { > > + /* MMSYS2 is not available on all chips, so the 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; > > } > > @@ -208,7 +222,7 @@ 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 7e21d226ceb8..0434b70e1fc9 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; > > I'm wondering if this would become more readable by doing it like so: > > struct mdp_dev_infra { > struct device *mmsys; > struct mtk_mutex *mtk_mutex[MDP_PIPE_MAX]; > } > > struct mdp_dev { > struct platform_device *pdev; > struct mdp_dev_infra mdp_infra; > ..... > } > > so that you can add the secondary MMSYS (that goes along with the > secondary > MUTEX anyway) by then changing mdp_infra to > > struct mtk_dev_infra mdp_infra[NUM_MMSYS]; > > and then referencing that like > > mdp->mdp_infra[MDP_INFRA_MMSYS0]->mmsys > mdp->mdp_infra[MDP_INFRA_MMSYS0]->mtk_mutex > mdp->mdp_infra[MDP_INFRA_MMSYS1]->mmsys > mdp->mdp_infra[MDP_INFRA_MMSYS1]->mtk_mutex > > What do you think? > > Regards, > Angelo > Thanks for the advice. I will follow your suggestion to simplify the settings. Sincerely, Moudy > > 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; > > }; > > > >
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