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msm: camera: isp: Reduce traffic for shutter notification

Telusuri Sumber 
To reduce traffic for shutter notification, sof and boot
sof timestamps are sent in a unified v4l2 event.
Thereby, reducing the event notification traffic by 50%.

CRs-Fixed: 3040374
Change-Id: Ib4580e0a4df7c3d1cb892fdf3254272d3134d4cb
Signed-off-by: Pranav Sanwal <psanwal@codeaurora.org>
This commit is contained in:
Pranav Sanwal
2021-09-02 19:08:30 +05:30
orang tua a6d54a3219
melakukan 0ddfe2d482
5 mengubah file dengan 88 tambahan dan 0 penghapusan
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37
drivers/cam_isp/cam_isp_context.c
Melihat File

@@ -865,6 +865,33 @@ static void __cam_isp_ctx_send_sof_boot_timestamp(
request_id);
}
static void __cam_isp_ctx_send_unified_timestamp(
struct cam_isp_context *ctx_isp, uint64_t request_id)
{
struct cam_req_mgr_message req_msg;
req_msg.session_hdl = ctx_isp->base->session_hdl;
req_msg.u.frame_msg_v2.frame_id = ctx_isp->frame_id;
req_msg.u.frame_msg_v2.request_id = request_id;
req_msg.u.frame_msg_v2.timestamps[CAM_REQ_SOF_QTIMER_TIMESTAMP] =
(request_id == 0) ? 0 : ctx_isp->sof_timestamp_val;
req_msg.u.frame_msg_v2.timestamps[CAM_REQ_BOOT_TIMESTAMP] = ctx_isp->boot_timestamp;
req_msg.u.frame_msg_v2.link_hdl = ctx_isp->base->link_hdl;
req_msg.u.frame_msg_v2.frame_id_meta = ctx_isp->frame_id_meta;
CAM_DBG(CAM_ISP,
"link hdl 0x%x request id:%lld frame number:%lld SOF time stamp:0x%llx ctx %d\
boot time stamp:0x%llx", ctx_isp->base->link_hdl, request_id,
ctx_isp->frame_id, ctx_isp->sof_timestamp_val,ctx_isp->base->ctx_id,
ctx_isp->boot_timestamp);
if (cam_req_mgr_notify_message(&req_msg,
V4L_EVENT_CAM_REQ_MGR_SOF_UNIFIED_TS, V4L_EVENT_CAM_REQ_MGR_EVENT))
CAM_ERR(CAM_ISP,
"Error in notifying the sof and boot time for req id:%lld",
request_id);
}
static void __cam_isp_ctx_send_sof_timestamp_frame_header(
struct cam_isp_context *ctx_isp, uint32_t *frame_header_cpu_addr,
uint64_t request_id, uint32_t sof_event_status)
@@ -907,6 +934,12 @@ static void __cam_isp_ctx_send_sof_timestamp(
{
struct cam_req_mgr_message req_msg;
if ((ctx_isp->v4l2_event_sub_ids & (1 << V4L_EVENT_CAM_REQ_MGR_SOF_UNIFIED_TS))
&& !ctx_isp->use_frame_header_ts) {
__cam_isp_ctx_send_unified_timestamp(ctx_isp,request_id);
return;
}
if ((ctx_isp->use_frame_header_ts) || (request_id == 0))
goto end;
@@ -4785,6 +4818,7 @@ static int __cam_isp_ctx_release_dev_in_top_state(struct cam_context *ctx,
ctx_isp->offline_context = false;
ctx_isp->rdi_only_context = false;
ctx_isp->req_info.last_bufdone_req_id = 0;
ctx_isp->v4l2_event_sub_ids = 0;
atomic64_set(&ctx_isp->state_monitor_head, -1);
for (i = 0; i < CAM_ISP_CTX_EVENT_MAX; i++)
@@ -5101,6 +5135,8 @@ static int __cam_isp_ctx_acquire_dev_in_available(struct cam_context *ctx,
cmd->session_handle, cmd->num_resources,
cmd->handle_type, cmd->resource_hdl);
ctx_isp->v4l2_event_sub_ids = cam_req_mgr_get_id_subscribed();
if (cmd->num_resources == CAM_API_COMPAT_CONSTANT) {
ctx_isp->split_acquire = true;
CAM_DBG(CAM_ISP, "Acquire dev handle");
@@ -6575,6 +6611,7 @@ int cam_isp_context_init(struct cam_isp_context *ctx,
ctx->reported_req_id = 0;
ctx->bubble_frame_cnt = 0;
ctx->req_info.last_bufdone_req_id = 0;
ctx->v4l2_event_sub_ids = 0;
ctx->hw_ctx = NULL;
ctx->substate_activated = CAM_ISP_CTX_ACTIVATED_SOF;