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2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/rknpu/rknpu_job.c
..
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@@ -27,7 +27,7 @@
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 {
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 	int index = 0;
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29
 
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-	switch (core_mask & ((1 << RKNPU_MAX_CORES) - 1)) {
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+	switch (core_mask) {
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 	case RKNPU_CORE0_MASK:
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 	case RKNPU_CORE0_MASK | RKNPU_CORE1_MASK:
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 	case RKNPU_CORE0_MASK | RKNPU_CORE1_MASK | RKNPU_CORE2_MASK:
..
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@@ -73,7 +73,7 @@
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 	int task_num = job->args->task_number;
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 	if (core_index >= RKNPU_MAX_CORES || core_index < 0) {
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-		LOG_ERROR("core_index: %d set error!", core_index);
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+		LOG_ERROR("invalid rknpu core index: %d", core_index);
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 		return 0;
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 	}
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..
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@@ -131,8 +131,6 @@
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 #ifdef CONFIG_ROCKCHIP_RKNPU_DRM_GEM
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 	struct rknpu_gem_object *task_obj = NULL;
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 #endif
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-	if (rknpu_dev->config->num_irqs == 1)
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-		args->core_mask = RKNPU_CORE0_MASK;
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 	job = kzalloc(sizeof(*job), GFP_KERNEL);
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 	if (!job)
..
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@@ -197,19 +195,19 @@
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 			break;
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 		if (ret == 0) {
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-			int64_t commit_time = 0;
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+			int64_t elapse_time_us = 0;
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 			spin_lock_irqsave(&rknpu_dev->irq_lock, flags);
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-			commit_time = ktime_us_delta(ktime_get(),
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-						     job->commit_pc_time);
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+			elapse_time_us = ktime_us_delta(ktime_get(),
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+							job->hw_commit_time);
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 			continue_wait =
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-				job->commit_pc_time == 0 ?
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+				job->hw_commit_time == 0 ?
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 					true :
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-					(commit_time < args->timeout * 1000);
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+					(elapse_time_us < args->timeout * 1000);
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 			spin_unlock_irqrestore(&rknpu_dev->irq_lock, flags);
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 			LOG_ERROR(
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-				"job: %p, wait_count: %d, continue_wait: %d, commit time: %lldus, wait time: %lldus, timeout time: %uus\n",
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+				"job: %p, wait_count: %d, continue wait: %d, commit elapse time: %lldus, wait time: %lldus, timeout: %uus\n",
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 				job, wait_count, continue_wait,
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-				(job->commit_pc_time == 0 ? 0 : commit_time),
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+				(job->hw_commit_time == 0 ? 0 : elapse_time_us),
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 				ktime_us_delta(ktime_get(), job->timestamp),
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 				args->timeout * 1000);
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 		}
..
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@@ -217,7 +215,7 @@
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 	last_task = job->last_task;
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 	if (!last_task) {
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-		spin_lock_irqsave(&rknpu_dev->lock, flags);
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+		spin_lock_irqsave(&rknpu_dev->irq_lock, flags);
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 		for (i = 0; i < job->use_core_num; i++) {
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 			subcore_data = &rknpu_dev->subcore_datas[i];
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 			list_for_each_entry_safe(
..
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@@ -259,6 +257,7 @@
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 		return -EINVAL;
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 	args->task_counter = args->task_number;
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+	args->hw_elapse_time = job->hw_elapse_time;
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 	return 0;
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 }
..
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@@ -289,6 +288,7 @@
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 	int i = 0;
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 	int submit_index = atomic_read(&job->submit_count[core_index]);
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 	int max_submit_number = rknpu_dev->config->max_submit_number;
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+	unsigned long flags;
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 	if (!task_obj) {
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 		job->ret = -EINVAL;
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@@ -334,9 +334,13 @@
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 	first_task = &task_base[task_start];
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 	last_task = &task_base[task_end];
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-	spin_lock(&rknpu_dev->lock);
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-	REG_WRITE(first_task->regcmd_addr, RKNPU_OFFSET_PC_DATA_ADDR);
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-	spin_unlock(&rknpu_dev->lock);
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+	if (rknpu_dev->config->pc_dma_ctrl) {
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+		spin_lock_irqsave(&rknpu_dev->irq_lock, flags);
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+		REG_WRITE(first_task->regcmd_addr, RKNPU_OFFSET_PC_DATA_ADDR);
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+		spin_unlock_irqrestore(&rknpu_dev->irq_lock, flags);
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+	} else {
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+		REG_WRITE(first_task->regcmd_addr, RKNPU_OFFSET_PC_DATA_ADDR);
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+	}
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 	REG_WRITE((first_task->regcfg_amount + RKNPU_PC_DATA_EXTRA_AMOUNT +
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 		   pc_data_amount_scale - 1) /
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@@ -363,16 +367,22 @@
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 	return 0;
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 }
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369
 
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-static inline int rknpu_job_subcore_commit(struct rknpu_job *job, int core_index)
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+static inline int rknpu_job_subcore_commit(struct rknpu_job *job,
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+					   int core_index)
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 {
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 	struct rknpu_device *rknpu_dev = job->rknpu_dev;
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 	struct rknpu_submit *args = job->args;
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 	void __iomem *rknpu_core_base = rknpu_dev->base[core_index];
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+	unsigned long flags;
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 	// switch to slave mode
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-	spin_lock(&rknpu_dev->lock);
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-	REG_WRITE(0x1, RKNPU_OFFSET_PC_DATA_ADDR);
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-	spin_unlock(&rknpu_dev->lock);
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+	if (rknpu_dev->config->pc_dma_ctrl) {
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+		spin_lock_irqsave(&rknpu_dev->irq_lock, flags);
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+		REG_WRITE(0x1, RKNPU_OFFSET_PC_DATA_ADDR);
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+		spin_unlock_irqrestore(&rknpu_dev->irq_lock, flags);
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+	} else {
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+		REG_WRITE(0x1, RKNPU_OFFSET_PC_DATA_ADDR);
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+	}
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 	if (!(args->flags & RKNPU_JOB_PC)) {
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 		job->ret = -EINVAL;
..
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@@ -384,7 +394,7 @@
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 static void rknpu_job_commit(struct rknpu_job *job)
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 {
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-	switch (job->args->core_mask & ((1 << RKNPU_MAX_CORES) - 1)) {
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+	switch (job->args->core_mask) {
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 	case RKNPU_CORE0_MASK:
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 		rknpu_job_subcore_commit(job, 0);
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 		break;
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@@ -432,8 +442,8 @@
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 	list_del_init(&job->head[core_index]);
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 	subcore_data->job = job;
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-	job->hw_recoder_time = ktime_get();
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-	job->commit_pc_time = job->hw_recoder_time;
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+	job->hw_commit_time = ktime_get();
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+	job->hw_recoder_time = job->hw_commit_time;
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 	spin_unlock_irqrestore(&rknpu_dev->irq_lock, flags);
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448
 
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 	if (atomic_dec_and_test(&job->run_count)) {
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@@ -445,13 +455,14 @@
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 {
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 	struct rknpu_device *rknpu_dev = job->rknpu_dev;
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 	struct rknpu_subcore_data *subcore_data = NULL;
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+	ktime_t now;
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 	unsigned long flags;
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 	int max_submit_number = rknpu_dev->config->max_submit_number;
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 	if (atomic_inc_return(&job->submit_count[core_index]) <
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 	    (rknpu_get_task_number(job, core_index) + max_submit_number - 1) /
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 		    max_submit_number) {
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-		rknpu_job_commit(job);
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+		rknpu_job_subcore_commit(job, core_index);
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 		return;
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 	}
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..
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@@ -460,8 +471,9 @@
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 	spin_lock_irqsave(&rknpu_dev->irq_lock, flags);
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 	subcore_data->job = NULL;
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 	subcore_data->task_num -= rknpu_get_task_number(job, core_index);
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-	subcore_data->timer.busy_time +=
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-		ktime_us_delta(ktime_get(), job->hw_recoder_time);
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+	now = ktime_get();
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+	job->hw_elapse_time = ktime_sub(now, job->hw_commit_time);
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+	subcore_data->timer.busy_time += ktime_sub(now, job->hw_recoder_time);
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 	spin_unlock_irqrestore(&rknpu_dev->irq_lock, flags);
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 	if (atomic_dec_and_test(&job->interrupt_count)) {
..
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@@ -485,44 +497,32 @@
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 	rknpu_job_next(rknpu_dev, core_index);
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 }
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+static int rknpu_schedule_core_index(struct rknpu_device *rknpu_dev)
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+{
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+	int core_num = rknpu_dev->config->num_irqs;
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+	int task_num = rknpu_dev->subcore_datas[0].task_num;
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+	int core_index = 0;
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+	int i = 0;
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+
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+	for (i = 1; i < core_num; i++) {
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+		if (task_num > rknpu_dev->subcore_datas[i].task_num) {
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+			core_index = i;
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+			task_num = rknpu_dev->subcore_datas[i].task_num;
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+		}
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+	}
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+
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+	return core_index;
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+}
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+
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 static void rknpu_job_schedule(struct rknpu_job *job)
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 {
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 	struct rknpu_device *rknpu_dev = job->rknpu_dev;
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 	struct rknpu_subcore_data *subcore_data = NULL;
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 	int i = 0, core_index = 0;
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 	unsigned long flags;
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-	int task_num_list[3] = { 0, 1, 2 };
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-	int tmp = 0;
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-	if ((job->args->core_mask & ((1 << RKNPU_MAX_CORES) - 1)) ==
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-	    RKNPU_CORE_AUTO_MASK) {
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-		if (rknpu_dev->subcore_datas[0].task_num >
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-		    rknpu_dev->subcore_datas[1].task_num) {
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-			tmp = task_num_list[1];
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-			task_num_list[1] = task_num_list[0];
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-			task_num_list[0] = tmp;
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-		}
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-		if (rknpu_dev->subcore_datas[task_num_list[0]].task_num >
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-		    rknpu_dev->subcore_datas[2].task_num) {
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-			tmp = task_num_list[2];
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-			task_num_list[2] = task_num_list[1];
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-			task_num_list[1] = task_num_list[0];
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-			task_num_list[0] = tmp;
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-		} else if (rknpu_dev->subcore_datas[task_num_list[1]].task_num >
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-			   rknpu_dev->subcore_datas[2].task_num) {
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-			tmp = task_num_list[2];
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-			task_num_list[2] = task_num_list[1];
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-			task_num_list[1] = tmp;
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-		}
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-		if (!rknpu_dev->subcore_datas[task_num_list[0]].job)
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-			core_index = task_num_list[0];
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-		else if (!rknpu_dev->subcore_datas[task_num_list[1]].job)
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-			core_index = task_num_list[1];
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-		else if (!rknpu_dev->subcore_datas[task_num_list[2]].job)
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-			core_index = task_num_list[2];
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-		else
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-			core_index = task_num_list[0];
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-
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+	if (job->args->core_mask == RKNPU_CORE_AUTO_MASK) {
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+		core_index = rknpu_schedule_core_index(rknpu_dev);
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 		job->args->core_mask = rknpu_core_mask(core_index);
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 		job->use_core_num = 1;
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 		atomic_set(&job->run_count, job->use_core_num);
..
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@@ -739,6 +739,11 @@
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 		return -EINVAL;
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 	}
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+	if (args->core_mask > rknpu_dev->config->core_mask) {
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+		LOG_ERROR("invalid rknpu core mask: %#x", args->core_mask);
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+		return -EINVAL;
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+	}
746
+
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 	job = rknpu_job_alloc(rknpu_dev, args);
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 	if (!job) {
744
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 		LOG_ERROR("failed to allocate rknpu job!\n");
..
..
@@ -936,27 +941,30 @@
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 int rknpu_clear_rw_amount(struct rknpu_device *rknpu_dev)
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 {
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 	void __iomem *rknpu_core_base = rknpu_dev->base[0];
944
+	unsigned long flags;
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945
 
940
946
 	if (!rknpu_dev->config->bw_enable) {
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 		LOG_WARN("Clear rw_amount is not supported on this device!\n");
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 		return 0;
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 	}
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950
 
945
-	spin_lock(&rknpu_dev->lock);
946
-
947
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 	if (rknpu_dev->config->pc_dma_ctrl) {
948
-		uint32_t pc_data_addr = REG_READ(RKNPU_OFFSET_PC_DATA_ADDR);
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+		uint32_t pc_data_addr = 0;
953
+
954
+		spin_lock_irqsave(&rknpu_dev->irq_lock, flags);
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+		pc_data_addr = REG_READ(RKNPU_OFFSET_PC_DATA_ADDR);
949
956
 
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 		REG_WRITE(0x1, RKNPU_OFFSET_PC_DATA_ADDR);
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958
 		REG_WRITE(0x80000101, RKNPU_OFFSET_CLR_ALL_RW_AMOUNT);
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 		REG_WRITE(0x00000101, RKNPU_OFFSET_CLR_ALL_RW_AMOUNT);
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 		REG_WRITE(pc_data_addr, RKNPU_OFFSET_PC_DATA_ADDR);
961
+		spin_unlock_irqrestore(&rknpu_dev->irq_lock, flags);
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962
 	} else {
963
+		spin_lock(&rknpu_dev->lock);
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964
 		REG_WRITE(0x80000101, RKNPU_OFFSET_CLR_ALL_RW_AMOUNT);
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965
 		REG_WRITE(0x00000101, RKNPU_OFFSET_CLR_ALL_RW_AMOUNT);
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+		spin_unlock(&rknpu_dev->lock);
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967
 	}
958
-
959
-	spin_unlock(&rknpu_dev->lock);
960
968
 
961
969
 	return 0;
962
970
 }