Re: [PATCH v2 9/9] media: platform: mtk-mdp3: Add dual pipe feature support
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: 2021-10-20 09:30:28
Also in:
linux-mediatek
Il 20/10/21 09:14, roy-cw.yeh ha scritto:
quoted hunk ↗ jump to hunk
From: "Roy-CW.Yeh" <redacted> Add dual pipe feature which uses two svpp to execute dma Signed-off-by: Roy-CW.Yeh <redacted> --- .../media/platform/mtk-mdp3/mtk-mdp3-cmdq.c | 191 ++++++++++++++---- .../media/platform/mtk-mdp3/mtk-mdp3-cmdq.h | 1 + .../media/platform/mtk-mdp3/mtk-mdp3-core.c | 11 +- .../media/platform/mtk-mdp3/mtk-mdp3-core.h | 3 + .../media/platform/mtk-mdp3/mtk-mdp3-m2m.c | 4 + .../media/platform/mtk-mdp3/mtk-mdp3-regs.c | 18 ++ .../media/platform/mtk-mdp3/mtk-mdp3-regs.h | 4 + 7 files changed, 189 insertions(+), 43 deletions(-)diff --git a/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c b/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c index afa114fe9817..37bd7c4b9ded 100644 --- a/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c +++ b/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.c@@ -10,7 +10,10 @@ #include "mtk-mdp3-core.h" #include "mtk-mdp3-m2m.h" -#define MDP_PATH_MAX_COMPS IMG_MAX_COMPONENTS +#define PATH_0 0 +#define PATH_1 1 +#define MDP_DUAL_PIPE 2 +#define MDP_PATH_MAX_COMPS IMG_MAX_COMPONENTS struct mdp_path { struct mdp_dev *mdp_dev;@@ -30,6 +33,9 @@ struct mdp_path { #define is_dummy_engine(mdp, id) \ ((mdp)->mdp_data->comp_data[id].match.type == MDP_COMP_TYPE_DUMMY) +#define is_dual_pipe(scenario) \ + ((scenario) == MDP_STREAM_TYPE_DUAL_BITBLT) + struct mdp_path_subfrm { s32 mutex_id; u32 mutex_mod;@@ -733,26 +739,31 @@ static void mdp_auto_release_work(struct work_struct *work) struct mdp_cmdq_cb_param *cb_param; struct mdp_dev *mdp; int i; + bool finalize; cb_param = container_of(work, struct mdp_cmdq_cb_param, auto_release_work); mdp = cb_param->mdp; + finalize = cb_param->finalize; - i = mdp_get_mutex_idx(mdp->mdp_data, MDP_PIPE_RDMA0); - mtk_mutex_unprepare(mdp->mdp_mutex[mdp->mdp_data->pipe_info[i].mutex_id]); - - i = mdp_get_mutex_idx(mdp->mdp_data, MDP_PIPE_RDMA1); - if (i >= 0) - mtk_mutex_unprepare(mdp->mdp_mutex2[mdp->mdp_data->pipe_info[i].mutex_id]); + if (finalize) { + i = mdp_get_mutex_idx(mdp->mdp_data, MDP_PIPE_RDMA0); + mtk_mutex_unprepare(mdp->mdp_mutex[mdp->mdp_data->pipe_info[i].mutex_id]); + i = mdp_get_mutex_idx(mdp->mdp_data, MDP_PIPE_RDMA1); + if (i >= 0) + mtk_mutex_unprepare(mdp->mdp_mutex2[mdp->mdp_data->pipe_info[i].mutex_id]); + } mdp_comp_clocks_off(&mdp->pdev->dev, cb_param->comps, cb_param->num_comps); kfree(cb_param->comps); kfree(cb_param); - atomic_dec(&mdp->job_count); - wake_up(&mdp->callback_wq); + if (finalize) { + atomic_dec(&mdp->job_count); + wake_up(&mdp->callback_wq); + } } static void mdp_handle_cmdq_callback(struct cmdq_cb_data data)@@ -770,7 +781,9 @@ static void mdp_handle_cmdq_callback(struct cmdq_cb_data data) mdp = cb_param->mdp; dev = &mdp->pdev->dev; - if (cb_param->mdp_ctx) + cb_param->finalize = (atomic_dec_and_test(&mdp->cmdq_count)); + + if (cb_param->finalize && cb_param->mdp_ctx) mdp_m2m_job_finish(cb_param->mdp_ctx); if (cb_param->user_cmdq_cb) {@@ -805,12 +818,15 @@ static void mdp_handle_cmdq_callback(struct cmdq_cb_data data) int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param) { - struct mmsys_cmdq_cmd cmd; - struct mdp_path path; + struct mmsys_cmdq_cmd cmd, cmd_d; + static struct mdp_path path[MDP_DUAL_PIPE]; struct mdp_cmdq_cb_param *cb_param = NULL; + struct mdp_cmdq_cb_param *cb_param_d = NULL; struct mdp_comp *comps = NULL; + struct mdp_comp *comps_d = NULL; struct device *dev = &mdp->pdev->dev; - int i, ret; + enum mdp_stream_type scenario = param->param->type; + int i, ret, path_id; if (atomic_read(&mdp->suspended)) return -ECANCELED;@@ -825,24 +841,39 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param) } cmd.event = &mdp->event[0]; - path.mdp_dev = mdp; - path.config = param->config; - path.param = param->param; - for (i = 0; i < param->param->num_outputs; i++) { - path.bounds[i].left = 0; - path.bounds[i].top = 0; - path.bounds[i].width = - param->param->outputs[i].buffer.format.width; - path.bounds[i].height = - param->param->outputs[i].buffer.format.height; - path.composes[i] = param->composes[i] ? - param->composes[i] : &path.bounds[i]; - } - - ret = mdp_path_ctx_init(mdp, &path); - if (ret) { - dev_info(dev, "%s mdp_path_ctx_init error\n", __func__); - goto err_destroy_pkt; + if (is_dual_pipe(scenario)) { + cmd_d.pkt = cmdq_pkt_create(mdp->cmdq_d_clt, SZ_16K); + if (IS_ERR(cmd_d.pkt)) { + atomic_dec(&mdp->job_count); + wake_up(&mdp->callback_wq); + return PTR_ERR(cmd_d.pkt); + } + cmd_d.event = &mdp->event[0]; + } + + for (path_id = 0; path_id < MDP_DUAL_PIPE; path_id++) { + if (path_id != 0 && (!is_dual_pipe(scenario))) + break; + + path[path_id].mdp_dev = mdp; + path[path_id].config = ¶m->config[path_id]; + path[path_id].param = param->param; + for (i = 0; i < param->param->num_outputs; i++) { + path[path_id].bounds[i].left = 0; + path[path_id].bounds[i].top = 0; + path[path_id].bounds[i].width = + param->param->outputs[i].buffer.format.width; + path[path_id].bounds[i].height = + param->param->outputs[i].buffer.format.height; + path[path_id].composes[i] = param->composes[i] ? + param->composes[i] : &path[path_id].bounds[i]; + } + + ret = mdp_path_ctx_init(mdp, &path[path_id]); + if (ret) { + dev_info(dev, "%s mdp_path_ctx_init error at path %d\n", __func__, path_id);
This needs to be dev_err(), as this is an error.
quoted hunk ↗ jump to hunk
+ goto err_destroy_pkt; + } } i = mdp_get_mutex_idx(mdp->mdp_data, MDP_PIPE_RDMA0);@@ -852,44 +883,61 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param) if (i >= 0) mtk_mutex_prepare(mdp->mdp_mutex2[mdp->mdp_data->pipe_info[i].mutex_id]); - for (i = 0; i < param->config->num_components; i++) { - if (is_dummy_engine(mdp, path.config->components[i].type)) + for (i = 0; i < param->config[PATH_0].num_components; i++) { + if (is_dummy_engine(mdp, path[PATH_0].config->components[i].type)) continue; - mdp_comp_clock_on(&mdp->pdev->dev, path.comps[i].comp); + mdp_comp_clock_on(&mdp->pdev->dev, path[PATH_0].comps[i].comp); + } + + if (is_dual_pipe(scenario)) { + for (i = 0; i < param->config[PATH_1].num_components; i++) { + if (is_dummy_engine(mdp, path[PATH_1].config->components[i].type)) + continue; + + mdp_comp_clock_on(&mdp->pdev->dev, path[PATH_1].comps[i].comp); + } } if (mdp->mdp_data->mdp_cfg->version == MTK_MDP_VERSION_8195) { /* HYFBC Patch */ - ret = mdp_hyfbc_config(mdp, &cmd, &path, param); + ret = mdp_hyfbc_config(mdp, &cmd, &path[PATH_0], param); if (ret) dev_info(dev, "%s:mdp_hyfbc_config fail!\n", __func__); } - ret = mdp_path_config(mdp, &cmd, &path); + ret = mdp_path_config(mdp, &cmd, &path[PATH_0]); if (ret) { - dev_info(dev, "%s mdp_path_config error\n", __func__); + dev_info(dev, "%s path 0 mdp_path_config error\n", __func__);
dev_err()
goto err_destroy_pkt;
}
+ if (is_dual_pipe(scenario)) {
+ ret = mdp_path_config(mdp, &cmd_d, &path[PATH_1]);
+ if (ret) {
+ pr_info("%s path 1 mdp_path_config error\n", __func__);Don't use pr_* here. Also, this is dev_err() too.
quoted hunk ↗ jump to hunk
+ goto err_destroy_pkt; + } + } + cb_param = kzalloc(sizeof(*cb_param), GFP_KERNEL); if (!cb_param) { ret = -ENOMEM; goto err_destroy_pkt; } - comps = kcalloc(param->config->num_components, sizeof(*comps), + comps = kcalloc(param->config[PATH_0].num_components, sizeof(*comps), GFP_KERNEL); if (!comps) { ret = -ENOMEM; goto err_destroy_pkt; } - for (i = 0; i < param->config->num_components; i++) { - if (is_dummy_engine(mdp, path.config->components[i].type)) + for (i = 0; i < param->config[PATH_0].num_components; i++) { + if (is_dummy_engine(mdp, path[PATH_0].config->components[i].type)) continue; - memcpy(&comps[i], path.comps[i].comp, + memcpy(&comps[i], path[PATH_0].comps[i].comp, sizeof(struct mdp_comp)); } cb_param->mdp = mdp;@@ -897,10 +945,49 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param) cb_param->user_cb_data = param->cb_data; cb_param->pkt = cmd.pkt; cb_param->comps = comps; - cb_param->num_comps = param->config->num_components; + cb_param->num_comps = param->config[PATH_0].num_components; cb_param->mdp_ctx = param->mdp_ctx; + if (is_dual_pipe(scenario)) { + cb_param_d = kzalloc(sizeof(*cb_param_d), GFP_KERNEL); + if (!cb_param_d) { + ret = -ENOMEM; + goto err_destroy_pkt; + } + comps_d = kcalloc(param->config[PATH_1].num_components, sizeof(*comps_d), + GFP_KERNEL); + if (!comps_d) { + ret = -ENOMEM; + goto err_destroy_pkt; + } + + for (i = 0; i < param->config[PATH_1].num_components; i++) { + if (is_dummy_engine(mdp, path[PATH_1].config->components[i].type)) + continue; + + memcpy(&comps_d[i], path[PATH_1].comps[i].comp, + sizeof(struct mdp_comp)); + } + cb_param_d->mdp = mdp; + cb_param_d->user_cmdq_cb = param->cmdq_cb; + cb_param_d->user_cb_data = param->cb_data; + cb_param_d->pkt = cmd_d.pkt; + cb_param_d->comps = comps_d; + cb_param_d->num_comps = param->config[PATH_1].num_components; + cb_param_d->mdp_ctx = param->mdp_ctx; + } + + if (atomic_read(&mdp->cmdq_count)) + pr_info("%s: Warning: cmdq_count:%d !\n", __func__, atomic_read(&mdp->cmdq_count)); +
It's a warning, so this is dev_warn()... (and by using that, you can as well drop the "Warning" word from the message).
quoted hunk ↗ jump to hunk
cmdq_pkt_finalize(cmd.pkt); + atomic_inc(&mdp->cmdq_count); + + if (is_dual_pipe(scenario)) { + cmdq_pkt_finalize(cmd_d.pkt); + atomic_inc(&mdp->cmdq_count); + } + ret = cmdq_pkt_flush_async(cmd.pkt, mdp_handle_cmdq_callback, (void *)cb_param);@@ -908,6 +995,16 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param) dev_info(dev, "cmdq_pkt_flush_async fail!\n"); goto err_clock_off; } + + if (is_dual_pipe(scenario)) { + ret = cmdq_pkt_flush_async(cmd_d.pkt, + mdp_handle_cmdq_callback, + (void *)cb_param_d); + if (ret) { + dev_err(dev, "cmdq_dual_pkt_flush_async fail!\n"); + goto err_clock_off; + } + } return 0; err_clock_off:@@ -920,12 +1017,22 @@ int mdp_cmdq_send(struct mdp_dev *mdp, struct mdp_cmdq_param *param) mdp_comp_clocks_off(&mdp->pdev->dev, cb_param->comps, cb_param->num_comps); + if (cb_param_d) + mdp_comp_clocks_off(&mdp->pdev->dev, cb_param_d->comps, + cb_param_d->num_comps); err_destroy_pkt: cmdq_pkt_destroy(cmd.pkt); + if (is_dual_pipe(scenario)) { + cmdq_pkt_destroy(cmd_d.pkt); + atomic_inc(&mdp->cmdq_count); + } atomic_dec(&mdp->job_count); + atomic_dec(&mdp->cmdq_count); wake_up(&mdp->callback_wq); kfree(comps); + kfree(comps_d); kfree(cb_param); + kfree(cb_param_d); return ret; }diff --git a/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.h b/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.h index 16933507333b..0a0e88cef6b5 100644 --- a/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.h +++ b/drivers/media/platform/mtk-mdp3/mtk-mdp3-cmdq.h@@ -37,6 +37,7 @@ struct mdp_cmdq_cb_param { struct mdp_comp *comps; u8 num_comps; void *mdp_ctx; + bool finalize; }; struct mdp_dev;diff --git a/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c b/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c index 524c852e584b..1c8baa33ecc6 100644 --- a/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c +++ b/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.c@@ -40,6 +40,7 @@ static const struct mdp_platform_config mt8195_plat_cfg = { .wrot_filter_constraint = false, .tdshp_1_1 = true, .tdshp_dyn_contrast_version = 2, + .support_dual_pipe = true, .gce_event_offset = 0, .version = MTK_MDP_VERSION_8195, };@@ -1263,6 +1264,12 @@ static int mdp_probe(struct platform_device *pdev) goto err_put_scp; } + mdp->cmdq_d_clt = cmdq_mbox_create(dev, 1); + if (IS_ERR(mdp->cmdq_d_clt)) { + ret = PTR_ERR(mdp->cmdq_d_clt); + goto err_mbox_destroy; + } + init_waitqueue_head(&mdp->callback_wq); ida_init(&mdp->mdp_ida); platform_set_drvdata(pdev, mdp);@@ -1273,7 +1280,7 @@ static int mdp_probe(struct platform_device *pdev) if (ret) { dev_err(dev, "Failed to register v4l2 device\n"); ret = -EINVAL; - goto err_mbox_destroy; + goto err_dual_mbox_destroy; } ret = mdp_m2m_device_register(mdp);@@ -1287,6 +1294,8 @@ static int mdp_probe(struct platform_device *pdev) err_unregister_device: v4l2_device_unregister(&mdp->v4l2_dev); +err_dual_mbox_destroy: + cmdq_mbox_destroy(mdp->cmdq_d_clt); err_mbox_destroy: cmdq_mbox_destroy(mdp->cmdq_clt); err_put_scp:diff --git a/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.h b/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.h index 055812140366..5091fdacc5c6 100644 --- a/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.h +++ b/drivers/media/platform/mtk-mdp3/mtk-mdp3-core.h@@ -45,6 +45,7 @@ struct mdp_platform_config { bool wrot_filter_constraint; bool wrot_support_afbc; bool wrot_support_10bit; + bool support_dual_pipe; u8 tdshp_dyn_contrast_version; u32 gce_event_offset; u32 version;@@ -87,6 +88,7 @@ struct mdp_dev { u32 id_count; struct ida mdp_ida; struct cmdq_client *cmdq_clt; + struct cmdq_client *cmdq_d_clt; wait_queue_head_t callback_wq; struct v4l2_device v4l2_dev;@@ -96,6 +98,7 @@ struct mdp_dev { struct mutex m2m_lock; atomic_t suspended; atomic_t job_count; + atomic_t cmdq_count; }; struct mdp_pipe_info {diff --git a/drivers/media/platform/mtk-mdp3/mtk-mdp3-m2m.c b/drivers/media/platform/mtk-mdp3/mtk-mdp3-m2m.c index 1eaeaf58906a..55384bb812cf 100644 --- a/drivers/media/platform/mtk-mdp3/mtk-mdp3-m2m.c +++ b/drivers/media/platform/mtk-mdp3/mtk-mdp3-m2m.c@@ -116,6 +116,10 @@ static void mdp_m2m_worker(struct work_struct *work) frame = ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); src_vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx); mdp_set_src_config(¶m.inputs[0], frame, &src_vb->vb2_buf); + mdp_set_scenario(ctx->mdp_dev, ¶m, frame); + if (param.frame_change) + dev_info(&ctx->mdp_dev->pdev->dev, + "MDP Scenario: %d\n", param.type);
This may be spammy. Use dev_dbg(), as this looks like being a debugging print.
quoted hunk ↗ jump to hunk
frame = ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); dst_vb = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);diff --git a/drivers/media/platform/mtk-mdp3/mtk-mdp3-regs.c b/drivers/media/platform/mtk-mdp3/mtk-mdp3-regs.c index 7d26c5d8df7f..92f337077411 100644 --- a/drivers/media/platform/mtk-mdp3/mtk-mdp3-regs.c +++ b/drivers/media/platform/mtk-mdp3/mtk-mdp3-regs.c@@ -10,6 +10,8 @@ #include "mtk-mdp3-core.h" #include "mtk-mdp3-regs.h" +#define QHD (2560 * 1440) + static const struct mdp_limit mdp_def_limit = { .out_limit = { .wmin = 16,@@ -432,6 +434,22 @@ static u32 mdp_fmt_get_plane_size(const struct mdp_format *fmt, return 0; } +void mdp_set_scenario(struct mdp_dev *mdp, + struct img_ipi_frameparam *param, + struct mdp_frame *frame) +{ + u32 width = frame->format.fmt.pix_mp.width; + u32 height = frame->format.fmt.pix_mp.height; + + if (!mdp) + return;
You are calling this function only from mdp_m2m_worker(), which uses mdp_dev for at least dev_* prints: this means that mdp cannot be NULL here, so this check is useless. Please drop this check.
+
+ if (mdp->mdp_data->mdp_cfg->support_dual_pipe) {
+ if ((width * height) >= QHD)
+ param->type = MDP_STREAM_TYPE_DUAL_BITBLT;
+ }
+}
+
static void mdp_prepare_buffer(struct img_image_buffer *b,
struct mdp_frame *frame, struct vb2_buffer *vb)
{As for the rest, it looks like being ok, so, after the requested fixes: Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel