[PATCH v6 07/13] media: platform: mtk-mdp3: extend GCE event waiting in RDMA and WROT

From: Moudy Ho
Date: Fri Sep 22 2023 - 03:42:36 EST


Support for multiple RDMA/WROT waits for GCE events.

Signed-off-by: Moudy Ho <moudy.ho@xxxxxxxxxxxx>
---
.../platform/mediatek/mdp3/mdp_cfg_data.c | 2 ++
.../platform/mediatek/mdp3/mtk-mdp3-comp.c | 27 +++++++++++++------
.../platform/mediatek/mdp3/mtk-mdp3-core.h | 2 ++
3 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c b/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c
index 6f77c33074ec..3834efe54e17 100644
--- a/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c
+++ b/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c
@@ -56,8 +56,10 @@ static const struct mdp_platform_config mt8183_plat_cfg = {
.rdma_support_10bit = true,
.rdma_rsz1_sram_sharing = true,
.rdma_upsample_repeat_only = true,
+ .rdma_event_num = 1,
.rsz_disable_dcm_small_sample = false,
.wrot_filter_constraint = false,
+ .wrot_event_num = 1,
};

static const u32 mt8183_mutex_idx[MDP_MAX_COMP_COUNT] = {
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
index 1831e3d9b0e3..2bf4a6b391b7 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
@@ -251,14 +251,20 @@ static int config_rdma_subfrm(struct mdp_comp_ctx *ctx,

static int wait_rdma_event(struct mdp_comp_ctx *ctx, struct mdp_cmdq_cmd *cmd)
{
+ const struct mdp_platform_config *mdp_cfg = __get_plat_cfg(ctx);
struct device *dev = &ctx->comp->mdp_dev->pdev->dev;
phys_addr_t base = ctx->comp->reg_base;
u8 subsys_id = ctx->comp->subsys_id;

- if (ctx->comp->alias_id == 0)
- MM_REG_WAIT(cmd, ctx->comp->gce_event[MDP_GCE_EVENT_EOF]);
- else
- dev_err(dev, "Do not support RDMA1_DONE event\n");
+ if (!mdp_cfg)
+ return -EINVAL;
+
+ if (ctx->comp->alias_id >= mdp_cfg->rdma_event_num) {
+ dev_err(dev, "Invalid RDMA event %d\n", ctx->comp->alias_id);
+ return -EINVAL;
+ }
+
+ MM_REG_WAIT(cmd, ctx->comp->gce_event[MDP_GCE_EVENT_EOF]);

/* Disable RDMA */
MM_REG_WRITE(cmd, subsys_id, base, MDP_RDMA_EN, 0x0, BIT(0));
@@ -553,10 +559,15 @@ static int wait_wrot_event(struct mdp_comp_ctx *ctx, struct mdp_cmdq_cmd *cmd)
phys_addr_t base = ctx->comp->reg_base;
u8 subsys_id = ctx->comp->subsys_id;

- if (ctx->comp->alias_id == 0)
- MM_REG_WAIT(cmd, ctx->comp->gce_event[MDP_GCE_EVENT_EOF]);
- else
- dev_err(dev, "Do not support WROT1_DONE event\n");
+ if (!mdp_cfg)
+ return -EINVAL;
+
+ if (ctx->comp->alias_id >= mdp_cfg->wrot_event_num) {
+ dev_err(dev, "Invalid WROT event %d!\n", ctx->comp->alias_id);
+ return -EINVAL;
+ }
+
+ MM_REG_WAIT(cmd, ctx->comp->gce_event[MDP_GCE_EVENT_EOF]);

if (mdp_cfg && mdp_cfg->wrot_filter_constraint)
MM_REG_WRITE(cmd, subsys_id, base, VIDO_MAIN_BUF_SIZE, 0x0,
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
index 22d1b17ef2fc..e57c415a1c78 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h
@@ -49,8 +49,10 @@ struct mdp_platform_config {
bool rdma_support_10bit;
bool rdma_rsz1_sram_sharing;
bool rdma_upsample_repeat_only;
+ u32 rdma_event_num;
bool rsz_disable_dcm_small_sample;
bool wrot_filter_constraint;
+ u32 wrot_event_num;
};

/* indicate which mutex is used by each pipepline */
--
2.18.0