@@ -71,7 +71,6 @@ static void vdec_msg_queue_dec(struct vdec_msg_queue *msg_queue, int hardware_in
int vdec_msg_queue_qbuf(struct vdec_msg_queue_ctx *msg_ctx, struct vdec_lat_buf *buf)
{
struct list_head *head;
- int status;
head = vdec_get_buf_list(msg_ctx->hardware_index, buf);
if (!head) {
@@ -87,12 +86,9 @@ int vdec_msg_queue_qbuf(struct vdec_msg_queue_ctx *msg_ctx, struct vdec_lat_buf
if (msg_ctx->hardware_index != MTK_VDEC_CORE) {
wake_up_all(&msg_ctx->ready_to_use);
} else {
- if (buf->ctx->msg_queue.core_work_cnt <
- atomic_read(&buf->ctx->msg_queue.core_list_cnt)) {
- status = queue_work(buf->ctx->dev->core_workqueue,
- &buf->ctx->msg_queue.core_work);
- if (status)
- buf->ctx->msg_queue.core_work_cnt++;
+ if (!(buf->ctx->msg_queue.status & CONTEXT_LIST_QUEUED)) {
+ queue_work(buf->ctx->dev->core_workqueue, &buf->ctx->msg_queue.core_work);
+ buf->ctx->msg_queue.status |= CONTEXT_LIST_QUEUED;
}
}
@@ -261,7 +257,10 @@ static void vdec_msg_queue_core_work(struct work_struct *work)
container_of(msg_queue, struct mtk_vcodec_ctx, msg_queue);
struct mtk_vcodec_dev *dev = ctx->dev;
struct vdec_lat_buf *lat_buf;
- int status;
+
+ spin_lock(&ctx->dev->msg_queue_core_ctx.ready_lock);
+ ctx->msg_queue.status &= ~CONTEXT_LIST_QUEUED;
+ spin_unlock(&ctx->dev->msg_queue_core_ctx.ready_lock);
lat_buf = vdec_msg_queue_dqbuf(&dev->msg_queue_core_ctx);
if (!lat_buf)
@@ -278,17 +277,13 @@ static void vdec_msg_queue_core_work(struct work_struct *work)
vdec_msg_queue_qbuf(&ctx->msg_queue.lat_ctx, lat_buf);
wake_up_all(&ctx->msg_queue.core_dec_done);
- spin_lock(&dev->msg_queue_core_ctx.ready_lock);
- lat_buf->ctx->msg_queue.core_work_cnt--;
-
- if (lat_buf->ctx->msg_queue.core_work_cnt <
- atomic_read(&lat_buf->ctx->msg_queue.core_list_cnt)) {
- status = queue_work(lat_buf->ctx->dev->core_workqueue,
- &lat_buf->ctx->msg_queue.core_work);
- if (status)
- lat_buf->ctx->msg_queue.core_work_cnt++;
+ if (!(ctx->msg_queue.status & CONTEXT_LIST_QUEUED) &&
+ atomic_read(&msg_queue->core_list_cnt)) {
+ spin_lock(&ctx->dev->msg_queue_core_ctx.ready_lock);
+ ctx->msg_queue.status |= CONTEXT_LIST_QUEUED;
+ spin_unlock(&ctx->dev->msg_queue_core_ctx.ready_lock);
+ queue_work(ctx->dev->core_workqueue, &msg_queue->core_work);
}
- spin_unlock(&dev->msg_queue_core_ctx.ready_lock);
}
int vdec_msg_queue_init(struct vdec_msg_queue *msg_queue,
@@ -303,13 +298,13 @@ int vdec_msg_queue_init(struct vdec_msg_queue *msg_queue,
return 0;
msg_queue->ctx = ctx;
- msg_queue->core_work_cnt = 0;
vdec_msg_queue_init_ctx(&msg_queue->lat_ctx, MTK_VDEC_LAT0);
INIT_WORK(&msg_queue->core_work, vdec_msg_queue_core_work);
atomic_set(&msg_queue->lat_list_cnt, 0);
atomic_set(&msg_queue->core_list_cnt, 0);
init_waitqueue_head(&msg_queue->core_dec_done);
+ msg_queue->status = CONTEXT_LIST_EMPTY;
msg_queue->wdma_addr.size =
vde_msg_queue_get_trans_size(ctx->picinfo.buf_w,
@@ -84,7 +84,7 @@ struct vdec_lat_buf {
* @lat_list_cnt: used to record each instance lat list count
* @core_list_cnt: used to record each instance core list count
* @core_dec_done: core work queue decode done event
- * @core_work_cnt: the number of core work in work queue
+ * @status: current context decode status for core hardware
*/
struct vdec_msg_queue {
struct vdec_lat_buf lat_buf[NUM_BUFFER_COUNT];
@@ -100,7 +100,7 @@ struct vdec_msg_queue {
atomic_t lat_list_cnt;
atomic_t core_list_cnt;
wait_queue_head_t core_dec_done;
- int core_work_cnt;
+ int status;
};
/**
core_work_cnt is the number of core work queued to work queue, the control is very complex, leading to some unreasonable test result. Using parameter status to indicate whether queue core work to work queue. Fixes: 2e0ef56d81cb ("media: mediatek: vcodec: making sure queue_work successfully") Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com> --- .../platform/mediatek/vcodec/vdec_msg_queue.c | 33 ++++++++----------- .../platform/mediatek/vcodec/vdec_msg_queue.h | 4 +-- 2 files changed, 16 insertions(+), 21 deletions(-)