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Message-ID: <20231030100626.12564-3-moudy.ho@mediatek.com>
Date: Mon, 30 Oct 2023 18:06:16 +0800
From: Moudy Ho <moudy.ho@...iatek.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
Hans Verkuil <hverkuil-cisco@...all.nl>
CC: <linux-kernel@...r.kernel.org>, <linux-media@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
Moudy Ho <moudy.ho@...iatek.com>
Subject: [PATCH v8 02/12] media: platform: mtk-mdp3: add support second sets of MUTEX
After setting up the second set of MMSYS (VPPSYS1), it is necessary
to have a corresponding second set of MUTEX (MUTEX2) to assist in
handling SOF/EOF.
Signed-off-by: Moudy Ho <moudy.ho@...iatek.com>
---
.../platform/mediatek/mdp3/mtk-mdp3-cmdq.c | 57 +++++++++++--------
.../platform/mediatek/mdp3/mtk-mdp3-core.c | 51 ++++++++++++-----
.../platform/mediatek/mdp3/mtk-mdp3-core.h | 4 +-
3 files changed, 74 insertions(+), 38 deletions(-)
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
index 6adac857a477..67c8fcc3eda9 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
@@ -44,15 +44,21 @@ static bool is_output_disabled(int p_id, const struct img_compparam *param, u32
return (count < num) ? (dis_output || dis_tile) : true;
}
+static struct mtk_mutex *__get_mutex(const struct mdp_dev *mdp_dev,
+ const struct mdp_pipe_info *p)
+{
+ return mdp_dev->mm_subsys[p->sub_id].mdp_mutex[p->mutex_id];
+}
+
static int mdp_path_subfrm_require(const struct mdp_path *path,
struct mdp_cmdq_cmd *cmd,
- s32 *mutex_id, u32 count)
+ struct mdp_pipe_info *p, u32 count)
{
const int p_id = path->mdp_dev->mdp_data->mdp_plat_id;
const struct mdp_comp_ctx *ctx;
const struct mtk_mdp_driver_data *data = path->mdp_dev->mdp_data;
struct device *dev = &path->mdp_dev->pdev->dev;
- struct mtk_mutex **mutex = path->mdp_dev->mdp_mutex;
+ struct mtk_mutex *mutex;
int id, index;
u32 num_comp = 0;
@@ -77,7 +83,8 @@ static int mdp_path_subfrm_require(const struct mdp_path *path,
dev_err(dev, "Unknown pipeline and no mutex is assigned");
return -EINVAL;
}
- *mutex_id = data->pipe_info[index].mutex_id;
+ memcpy(p, &data->pipe_info[index], sizeof(struct mdp_pipe_info));
+ mutex = __get_mutex(path->mdp_dev, p);
/* Set mutex mod */
for (index = 0; index < num_comp; index++) {
@@ -85,29 +92,28 @@ static int mdp_path_subfrm_require(const struct mdp_path *path,
if (is_output_disabled(p_id, ctx->param, count))
continue;
id = ctx->comp->public_id;
- mtk_mutex_write_mod(mutex[*mutex_id],
- data->mdp_mutex_table_idx[id], false);
+ mtk_mutex_write_mod(mutex, data->mdp_mutex_table_idx[id], false);
+
}
- mtk_mutex_write_sof(mutex[*mutex_id],
- MUTEX_SOF_IDX_SINGLE_MODE);
+ mtk_mutex_write_sof(mutex, MUTEX_SOF_IDX_SINGLE_MODE);
return 0;
}
static int mdp_path_subfrm_run(const struct mdp_path *path,
struct mdp_cmdq_cmd *cmd,
- s32 *mutex_id, u32 count)
+ struct mdp_pipe_info *p, u32 count)
{
const int p_id = path->mdp_dev->mdp_data->mdp_plat_id;
const struct mdp_comp_ctx *ctx;
struct device *dev = &path->mdp_dev->pdev->dev;
- struct mtk_mutex **mutex = path->mdp_dev->mdp_mutex;
+ struct mtk_mutex *mutex;
int index;
u32 num_comp = 0;
s32 event;
- if (-1 == *mutex_id) {
+ if (-1 == p->mutex_id) {
dev_err(dev, "Incorrect mutex id");
return -EINVAL;
}
@@ -127,7 +133,8 @@ static int mdp_path_subfrm_run(const struct mdp_path *path,
}
/* Enable the mutex */
- mtk_mutex_enable_by_cmdq(mutex[*mutex_id], (void *)&cmd->pkt);
+ mutex = __get_mutex(path->mdp_dev, p);
+ mtk_mutex_enable_by_cmdq(mutex, (void *)&cmd->pkt);
/* Wait SOF events and clear mutex modules (optional) */
for (index = 0; index < num_comp; index++) {
@@ -174,7 +181,7 @@ static int mdp_path_config_subfrm(struct mdp_cmdq_cmd *cmd,
const struct img_mmsys_ctrl *ctrl = NULL;
const struct img_mux *set;
struct mdp_comp_ctx *ctx;
- s32 mutex_id;
+ struct mdp_pipe_info pipe;
int index, ret;
u32 num_comp = 0;
@@ -185,7 +192,7 @@ static int mdp_path_config_subfrm(struct mdp_cmdq_cmd *cmd,
ctrl = CFG_ADDR(MT8183, path->config, ctrls[count]);
/* Acquire components */
- ret = mdp_path_subfrm_require(path, cmd, &mutex_id, count);
+ ret = mdp_path_subfrm_require(path, cmd, &pipe, count);
if (ret)
return ret;
/* Enable mux settings */
@@ -204,7 +211,7 @@ static int mdp_path_config_subfrm(struct mdp_cmdq_cmd *cmd,
return ret;
}
/* Run components */
- ret = mdp_path_subfrm_run(path, cmd, &mutex_id, count);
+ ret = mdp_path_subfrm_run(path, cmd, &pipe, count);
if (ret)
return ret;
/* Wait components done */
@@ -328,13 +335,13 @@ static void mdp_auto_release_work(struct work_struct *work)
{
struct mdp_cmdq_cmd *cmd;
struct mdp_dev *mdp;
- int id;
+ struct mtk_mutex *mutex;
cmd = container_of(work, struct mdp_cmdq_cmd, auto_release_work);
mdp = cmd->mdp;
- id = mdp->mdp_data->pipe_info[MDP_PIPE_RDMA0].mutex_id;
- mtk_mutex_unprepare(mdp->mdp_mutex[id]);
+ mutex = __get_mutex(mdp, &mdp->mdp_data->pipe_info[MDP_PIPE_RDMA0]);
+ mtk_mutex_unprepare(mutex);
mdp_comp_clocks_off(&mdp->pdev->dev, cmd->comps,
cmd->num_comps);
@@ -354,7 +361,6 @@ 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__);
@@ -379,9 +385,11 @@ 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)) {
+ struct mtk_mutex *mutex;
+
dev_err(dev, "%s:queue_work fail!\n", __func__);
- id = mdp->mdp_data->pipe_info[MDP_PIPE_RDMA0].mutex_id;
- mtk_mutex_unprepare(mdp->mdp_mutex[id]);
+ mutex = __get_mutex(mdp, &mdp->mdp_data->pipe_info[MDP_PIPE_RDMA0]);
+ mtk_mutex_unprepare(mutex);
mdp_comp_clocks_off(&mdp->pdev->dev, cmd->comps,
cmd->num_comps);
@@ -403,6 +411,7 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param)
struct mdp_comp *comps = NULL;
struct device *dev = &mdp->pdev->dev;
const int p_id = mdp->mdp_data->mdp_plat_id;
+ struct mtk_mutex *mutex = NULL;
int i, ret;
u32 num_comp = 0;
@@ -440,8 +449,8 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param)
goto err_free_comps;
}
- i = mdp->mdp_data->pipe_info[MDP_PIPE_RDMA0].mutex_id;
- ret = mtk_mutex_prepare(mdp->mdp_mutex[i]);
+ mutex = __get_mutex(mdp, &mdp->mdp_data->pipe_info[MDP_PIPE_RDMA0]);
+ ret = mtk_mutex_prepare(mutex);
if (ret) {
dev_err(dev, "Fail to enable mutex clk\n");
goto err_free_path;
@@ -506,8 +515,8 @@ 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:
- i = mdp->mdp_data->pipe_info[MDP_PIPE_RDMA0].mutex_id;
- mtk_mutex_unprepare(mdp->mdp_mutex[i]);
+ if (mutex)
+ mtk_mutex_unprepare(mutex);
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 fa59f8ab1b47..8959f83eb5b5 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
@@ -146,8 +146,17 @@ void mdp_video_device_release(struct video_device *vdev)
vb2_dma_contig_clear_max_seg_size(&mdp->pdev->dev);
mdp_comp_destroy(mdp);
- for (i = 0; i < MDP_PIPE_MAX; i++)
- mtk_mutex_put(mdp->mdp_mutex[i]);
+ for (i = 0; i < mdp->mdp_data->pipe_info_len; i++) {
+ enum mdp_mm_subsys_id idx;
+ struct mtk_mutex *m;
+ u32 m_id;
+
+ idx = mdp->mdp_data->pipe_info[i].sub_id;
+ m_id = mdp->mdp_data->pipe_info[i].mutex_id;
+ m = mdp->mm_subsys[idx].mdp_mutex[m_id];
+ if (!IS_ERR_OR_NULL(m))
+ mtk_mutex_put(m);
+ }
mdp_vpu_shared_mem_free(&mdp->vpu);
v4l2_m2m_release(mdp->m2m_dev);
@@ -171,6 +180,9 @@ static int mdp_mm_subsys_deploy(struct mdp_dev *mdp, enum mdp_infra_id id)
case MDP_INFRA_MMSYS:
dev = &mdp->mm_subsys[i].mmsys;
break;
+ case MDP_INFRA_MUTEX:
+ dev = &mdp->mm_subsys[i].mutex;
+ break;
default:
dev_err(&mdp->pdev->dev, "Unknown infra id %d", id);
return -EINVAL;
@@ -214,18 +226,24 @@ static int mdp_probe(struct platform_device *pdev)
if (ret)
goto err_destroy_device;
- mm_pdev = __get_pdev_by_id(pdev, NULL, MDP_INFRA_MUTEX);
- if (WARN_ON(!mm_pdev)) {
- ret = -ENODEV;
+ ret = mdp_mm_subsys_deploy(mdp, MDP_INFRA_MUTEX);
+ if (ret)
goto err_destroy_device;
- }
+
for (i = 0; i < mdp->mdp_data->pipe_info_len; i++) {
+ enum mdp_mm_subsys_id idx;
+ struct mtk_mutex **m;
+
+ idx = mdp->mdp_data->pipe_info[i].sub_id;
mutex_id = mdp->mdp_data->pipe_info[i].mutex_id;
- if (!IS_ERR_OR_NULL(mdp->mdp_mutex[mutex_id]))
+ m = &mdp->mm_subsys[idx].mdp_mutex[mutex_id];
+
+ if (!IS_ERR_OR_NULL(*m))
continue;
- mdp->mdp_mutex[mutex_id] = mtk_mutex_get(&mm_pdev->dev);
- if (IS_ERR(mdp->mdp_mutex[mutex_id])) {
- ret = PTR_ERR(mdp->mdp_mutex[mutex_id]);
+
+ *m = mtk_mutex_get(mdp->mm_subsys[idx].mutex);
+ if (IS_ERR(*m)) {
+ ret = PTR_ERR(*m);
goto err_free_mutex;
}
}
@@ -305,9 +323,16 @@ static int mdp_probe(struct platform_device *pdev)
err_deinit_comp:
mdp_comp_destroy(mdp);
err_free_mutex:
- for (i = 0; i < mdp->mdp_data->pipe_info_len; i++)
- if (!IS_ERR_OR_NULL(mdp->mdp_mutex[i]))
- mtk_mutex_put(mdp->mdp_mutex[i]);
+ for (i = 0; i < mdp->mdp_data->pipe_info_len; i++) {
+ enum mdp_mm_subsys_id idx;
+ struct mtk_mutex *m;
+
+ idx = mdp->mdp_data->pipe_info[i].sub_id;
+ mutex_id = mdp->mdp_data->pipe_info[i].mutex_id;
+ m = mdp->mm_subsys[idx].mdp_mutex[mutex_id];
+ if (!IS_ERR_OR_NULL(m))
+ mtk_mutex_put(m);
+ }
err_destroy_device:
kfree(mdp);
err_return:
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
index 7a7cdd0ce968..fde2c0b95def 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
@@ -26,6 +26,7 @@ enum mdp_infra_id {
MDP_INFRA_MMSYS,
MDP_INFRA_MMSYS2,
MDP_INFRA_MUTEX,
+ MDP_INFRA_MUTEX2,
MDP_INFRA_SCP,
MDP_INFRA_MAX
};
@@ -78,12 +79,13 @@ struct mtk_mdp_driver_data {
struct mdp_mm_subsys {
struct device *mmsys;
+ struct device *mutex;
+ struct mtk_mutex *mdp_mutex[MDP_PIPE_MAX];
};
struct mdp_dev {
struct platform_device *pdev;
struct mdp_mm_subsys mm_subsys[MDP_MM_SUBSYS_MAX];
- struct mtk_mutex *mdp_mutex[MDP_PIPE_MAX];
struct mdp_comp *comp[MDP_MAX_COMP_COUNT];
const struct mtk_mdp_driver_data *mdp_data;
--
2.18.0
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