From: Yunfei Dong yunfei.dong@mediatek.com
[ Upstream commit d227af847ac2d7d90350124a1b2451e4fc1f050c ]
Need to make sure core decode done before current instance is free.
Fixes: 365e4ba01df4 ("media: mtk-vcodec: Add work queue for core hardware decode") Signed-off-by: Yunfei Dong yunfei.dong@mediatek.com Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c | 4 +++- drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h | 2 ++ 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c index 0da6e3e2ef0b3..ce7c82e38103a 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c +++ b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c @@ -196,7 +196,7 @@ bool vdec_msg_queue_wait_lat_buf_full(struct vdec_msg_queue *msg_queue) spin_unlock(&core_ctx->ready_lock);
timeout_jiff = msecs_to_jiffies(1000 * (NUM_BUFFER_COUNT + 2)); - ret = wait_event_timeout(msg_queue->lat_ctx.ready_to_use, + ret = wait_event_timeout(msg_queue->ctx->msg_queue.core_dec_done, msg_queue->lat_ctx.ready_num == NUM_BUFFER_COUNT, timeout_jiff); if (ret) { @@ -257,6 +257,7 @@ static void vdec_msg_queue_core_work(struct work_struct *work) mtk_vcodec_dec_disable_hardware(ctx, MTK_VDEC_CORE); vdec_msg_queue_qbuf(&ctx->msg_queue.lat_ctx, lat_buf);
+ wake_up_all(&ctx->msg_queue.core_dec_done); if (atomic_read(&lat_buf->ctx->msg_queue.core_list_cnt)) { mtk_v4l2_debug(3, "re-schedule to decode for core: %d", dev->msg_queue_core_ctx.ready_num); @@ -281,6 +282,7 @@ int vdec_msg_queue_init(struct vdec_msg_queue *msg_queue,
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->wdma_addr.size = vde_msg_queue_get_trans_size(ctx->picinfo.buf_w, diff --git a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h index 56280d6682c5a..a75c04418f52e 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h +++ b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h @@ -76,6 +76,7 @@ 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 */ struct vdec_msg_queue { struct vdec_lat_buf lat_buf[NUM_BUFFER_COUNT]; @@ -90,6 +91,7 @@ struct vdec_msg_queue {
atomic_t lat_list_cnt; atomic_t core_list_cnt; + wait_queue_head_t core_dec_done; };
/**