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video: rockchip: mpp: rkvdec: add spinlock for mmu fault handle

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Change-Id: I181ad3c6bb821ec36152e3317e5ba4c0847d8f68
Signed-off-by: Chandler Chen <chandler.chen@rock-chips.com>
This commit is contained in:
Chandler Chen
2024-05-28 15:57:47 +08:00
parent 3bd8034095
commit 0bb1c89c19
1 changed files with 6 additions and 0 deletions
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6
drivers/video/rockchip/mpp/mpp_rkvdec2_link.c
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@@ -966,6 +966,7 @@ static int rkvdec2_link_iommu_fault_handle(struct iommu_domain *iommu,
struct rkvdec2_dev *dec = to_rkvdec2_dev(mpp);
struct mpp_task *mpp_task = NULL, *n;
struct mpp_taskqueue *queue;
unsigned long flags;
u32 dump_mem_region = 0;
/*
@@ -983,6 +984,7 @@ static int rkvdec2_link_iommu_fault_handle(struct iommu_domain *iommu,
return 0;
}
queue = mpp->queue;
spin_lock_irqsave(&queue->running_lock, flags);
list_for_each_entry_safe(mpp_task, n, &queue->running_list, queue_link) {
struct rkvdec_link_info *info = dec->link_dec->info;
struct rkvdec2_task *task = to_rkvdec2_task(mpp_task);
@@ -994,6 +996,7 @@ static int rkvdec2_link_iommu_fault_handle(struct iommu_domain *iommu,
break;
}
}
spin_unlock_irqrestore(&queue->running_lock, flags);
if (dump_mem_region)
mpp_task_dump_mem_region(mpp, mpp_task);
@@ -1034,6 +1037,7 @@ static void rkvdec2_link_try_dequeue(struct mpp_dev *mpp)
readl(link_dec->reg_base + RKVDEC_LINK_EN_BASE) : 0;
u32 force_dequeue = iommu_fault || !link_en;
u32 dequeue_cnt = 0;
unsigned long flags;
list_for_each_entry_safe(mpp_task, n, &queue->running_list, queue_link) {
/*
@@ -1097,8 +1101,10 @@ static void rkvdec2_link_try_dequeue(struct mpp_dev *mpp)
mpp_time_diff_with_hw_time(mpp_task, dec->cycle_clk->real_rate_hz);
rkvdec2_link_finish(mpp, mpp_task);
spin_lock_irqsave(&queue->running_lock, flags);
list_move_tail(&task->table->link, &link_dec->unused_list);
list_del_init(&mpp_task->queue_link);
spin_unlock_irqrestore(&queue->running_lock, flags);
link_dec->task_running--;
set_bit(TASK_STATE_HANDLE, &mpp_task->state);