[PATCH v6 05/13] media: platform: mtk-mdp3: add checks for dummy components

From: Moudy Ho
Date: Fri Sep 22 2023 - 03:42:39 EST

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Some components act as bridges only and do not require full configuration.

Signed-off-by: Moudy Ho <moudy.ho@xxxxxxxxxxxx>
---
.../platform/mediatek/mdp3/mdp_cfg_data.c | 8 +++
.../platform/mediatek/mdp3/mtk-mdp3-cfg.h | 1 +
.../platform/mediatek/mdp3/mtk-mdp3-cmdq.c | 58 ++++++++++++++++++-
.../platform/mediatek/mdp3/mtk-mdp3-comp.c | 9 ++-
4 files changed, 74 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c b/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c
index fcc582292b77..fe92c0474bfa 100644
--- a/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c
+++ b/drivers/media/platform/mediatek/mdp3/mdp_cfg_data.c
@@ -451,3 +451,11 @@ enum mtk_mdp_comp_id mdp_cfg_get_id_public(struct mdp_dev *mdp_dev, s32 inner_id
err_public_id:
return public_id;
}
+
+bool mdp_cfg_comp_is_dummy(struct mdp_dev *mdp_dev, s32 inner_id)
+{
+ enum mtk_mdp_comp_id id = mdp_cfg_get_id_public(mdp_dev, inner_id);
+ enum mdp_comp_type type = mdp_dev->mdp_data->comp_data[id].match.type;
+
+ return (type == MDP_COMP_TYPE_DUMMY);
+}
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cfg.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cfg.h
index dee57cc4a954..dfffc72868e4 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cfg.h
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cfg.h
@@ -16,5 +16,6 @@ enum mtk_mdp_comp_id;

s32 mdp_cfg_get_id_inner(struct mdp_dev *mdp_dev, enum mtk_mdp_comp_id id);
enum mtk_mdp_comp_id mdp_cfg_get_id_public(struct mdp_dev *mdp_dev, s32 id);
+bool mdp_cfg_comp_is_dummy(struct mdp_dev *mdp_dev, s32 inner_id);

#endif /* __MTK_MDP3_CFG_H__ */
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
index 370f840ec593..708c3f39c451 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c
@@ -6,6 +6,7 @@

#include <linux/mailbox_controller.h>
#include <linux/platform_device.h>
+#include "mtk-mdp3-cfg.h"
#include "mtk-mdp3-cmdq.h"
#include "mtk-mdp3-comp.h"
#include "mtk-mdp3-core.h"
@@ -108,6 +109,12 @@ static int mdp_path_subfrm_require(const struct mdp_path *path,

/* Set mutex mod */
for (index = 0; index < num_comp; index++) {
+ s32 inner_id = MDP_COMP_NONE;
+
+ if (CFG_CHECK(MT8183, p_id))
+ inner_id = CFG_GET(MT8183, path->config, components[index].type);
+ if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+ continue;
ctx = &path->comps[index];
if (is_output_disabled(p_id, ctx->param, count))
continue;
@@ -132,6 +139,7 @@ static int mdp_path_subfrm_run(const struct mdp_path *path,
int index;
u32 num_comp = 0;
s32 event;
+ s32 inner_id = MDP_COMP_NONE;

if (-1 == p->mutex_id) {
dev_err(dev, "Incorrect mutex id");
@@ -144,6 +152,10 @@ static int mdp_path_subfrm_run(const struct mdp_path *path,
/* Wait WROT SRAM shared to DISP RDMA */
/* Clear SOF event for each engine */
for (index = 0; index < num_comp; index++) {
+ if (CFG_CHECK(MT8183, p_id))
+ inner_id = CFG_GET(MT8183, path->config, components[index].type);
+ if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+ continue;
ctx = &path->comps[index];
if (is_output_disabled(p_id, ctx->param, count))
continue;
@@ -158,6 +170,10 @@ static int mdp_path_subfrm_run(const struct mdp_path *path,

/* Wait SOF events and clear mutex modules (optional) */
for (index = 0; index < num_comp; index++) {
+ if (CFG_CHECK(MT8183, p_id))
+ inner_id = CFG_GET(MT8183, path->config, components[index].type);
+ if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+ continue;
ctx = &path->comps[index];
if (is_output_disabled(p_id, ctx->param, count))
continue;
@@ -183,6 +199,12 @@ static int mdp_path_ctx_init(struct mdp_dev *mdp, struct mdp_path *path)
return -EINVAL;

for (index = 0; index < num_comp; index++) {
+ s32 inner_id = MDP_COMP_NONE;
+
+ if (CFG_CHECK(MT8183, p_id))
+ inner_id = CFG_GET(MT8183, path->config, components[index].type);
+ if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+ continue;
if (CFG_CHECK(MT8183, p_id))
param = (void *)CFG_ADDR(MT8183, path->config, components[index]);
ret = mdp_comp_ctx_config(mdp, &path->comps[index],
@@ -204,6 +226,7 @@ static int mdp_path_config_subfrm(struct mdp_cmdq_cmd *cmd,
struct mdp_pipe_info pipe;
int index, ret;
u32 num_comp = 0;
+ s32 inner_id = MDP_COMP_NONE;

if (CFG_CHECK(MT8183, p_id))
num_comp = CFG_GET(MT8183, path->config, num_components);
@@ -223,6 +246,10 @@ static int mdp_path_config_subfrm(struct mdp_cmdq_cmd *cmd,
}
/* Config sub-frame information */
for (index = (num_comp - 1); index >= 0; index--) {
+ if (CFG_CHECK(MT8183, p_id))
+ inner_id = CFG_GET(MT8183, path->config, components[index].type);
+ if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+ continue;
ctx = &path->comps[index];
if (is_output_disabled(p_id, ctx->param, count))
continue;
@@ -236,6 +263,10 @@ static int mdp_path_config_subfrm(struct mdp_cmdq_cmd *cmd,
return ret;
/* Wait components done */
for (index = 0; index < num_comp; index++) {
+ if (CFG_CHECK(MT8183, p_id))
+ inner_id = CFG_GET(MT8183, path->config, components[index].type);
+ if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+ continue;
ctx = &path->comps[index];
if (is_output_disabled(p_id, ctx->param, count))
continue;
@@ -245,6 +276,10 @@ static int mdp_path_config_subfrm(struct mdp_cmdq_cmd *cmd,
}
/* Advance to the next sub-frame */
for (index = 0; index < num_comp; index++) {
+ if (CFG_CHECK(MT8183, p_id))
+ inner_id = CFG_GET(MT8183, path->config, components[index].type);
+ if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+ continue;
ctx = &path->comps[index];
ret = call_op(ctx, advance_subfrm, cmd, count);
if (ret)
@@ -268,6 +303,7 @@ static int mdp_path_config(struct mdp_dev *mdp, struct mdp_cmdq_cmd *cmd,
int index, count, ret;
u32 num_comp = 0;
u32 num_sub = 0;
+ s32 inner_id = MDP_COMP_NONE;

if (CFG_CHECK(MT8183, p_id))
num_comp = CFG_GET(MT8183, path->config, num_components);
@@ -278,6 +314,10 @@ static int mdp_path_config(struct mdp_dev *mdp, struct mdp_cmdq_cmd *cmd,
/* Config path frame */
/* Reset components */
for (index = 0; index < num_comp; index++) {
+ if (CFG_CHECK(MT8183, p_id))
+ inner_id = CFG_GET(MT8183, path->config, components[index].type);
+ if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+ continue;
ctx = &path->comps[index];
ret = call_op(ctx, init_comp, cmd);
if (ret)
@@ -288,6 +328,11 @@ static int mdp_path_config(struct mdp_dev *mdp, struct mdp_cmdq_cmd *cmd,
const struct v4l2_rect *compose;
u32 out = 0;

+ if (CFG_CHECK(MT8183, p_id))
+ inner_id = CFG_GET(MT8183, path->config, components[index].type);
+ if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+ continue;
+
if (CFG_CHECK(MT8183, p_id))
out = CFG_COMP(MT8183, ctx->param, outputs[0]);

@@ -306,6 +351,10 @@ static int mdp_path_config(struct mdp_dev *mdp, struct mdp_cmdq_cmd *cmd,
}
/* Post processing information */
for (index = 0; index < num_comp; index++) {
+ if (CFG_CHECK(MT8183, p_id))
+ inner_id = CFG_GET(MT8183, path->config, components[index].type);
+ if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id))
+ continue;
ctx = &path->comps[index];
ret = call_op(ctx, post_process, cmd);
if (ret)
@@ -508,9 +557,16 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param)
}
cmdq_pkt_finalize(&cmd->pkt);

- for (i = 0; i < num_comp; i++)
+ for (i = 0; i < num_comp; i++) {
+ s32 inner_id = MDP_COMP_NONE;
+
+ if (CFG_CHECK(MT8183, p_id))
+ inner_id = CFG_GET(MT8183, path->config, components[i].type);
+ if (mdp_cfg_comp_is_dummy(mdp, inner_id))
+ continue;
memcpy(&comps[i], path->comps[i].comp,
sizeof(struct mdp_comp));
+ }

mdp->cmdq_clt->client.rx_callback = mdp_handle_cmdq_callback;
cmd->mdp = mdp;
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
index 667933ea15f4..1831e3d9b0e3 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
@@ -853,6 +853,9 @@ int mdp_comp_clocks_on(struct device *dev, struct mdp_comp *comps, int num)
int i, ret;

for (i = 0; i < num; i++) {
+ /* Bypass the dummy component*/
+ if (!comps[i].mdp_dev)
+ continue;
ret = mdp_comp_clock_on(dev, &comps[i]);
if (ret)
return ret;
@@ -865,8 +868,12 @@ void mdp_comp_clocks_off(struct device *dev, struct mdp_comp *comps, int num)
{
int i;

- for (i = 0; i < num; i++)
+ for (i = 0; i < num; i++) {
+ /* Bypass the dummy component*/
+ if (!comps[i].mdp_dev)
+ continue;
mdp_comp_clock_off(dev, &comps[i]);
+ }
}

static int mdp_get_subsys_id(struct mdp_dev *mdp, struct device *dev,
--
2.18.0

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