From: Yunfei Dong yunfei.dong@mediatek.com
[ Upstream commit 5bbb6e2ca67477ab41163b32e6b3444faea74a5e ]
Using lat_buf to share decoder information between lat and core work queue, adding params to record the buf count.
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 --- .../platform/mediatek/vcodec/vdec_msg_queue.c | 23 ++++++++++++++++++- .../platform/mediatek/vcodec/vdec_msg_queue.h | 6 +++++ 2 files changed, 28 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 dc2004790a472..3f016c87d722c 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c +++ b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c @@ -52,6 +52,22 @@ static struct list_head *vdec_get_buf_list(int hardware_index, struct vdec_lat_b } }
+static void vdec_msg_queue_inc(struct vdec_msg_queue *msg_queue, int hardware_index) +{ + if (hardware_index == MTK_VDEC_CORE) + atomic_inc(&msg_queue->core_list_cnt); + else + atomic_inc(&msg_queue->lat_list_cnt); +} + +static void vdec_msg_queue_dec(struct vdec_msg_queue *msg_queue, int hardware_index) +{ + if (hardware_index == MTK_VDEC_CORE) + atomic_dec(&msg_queue->core_list_cnt); + else + atomic_dec(&msg_queue->lat_list_cnt); +} + int vdec_msg_queue_qbuf(struct vdec_msg_queue_ctx *msg_ctx, struct vdec_lat_buf *buf) { struct list_head *head; @@ -66,6 +82,7 @@ int vdec_msg_queue_qbuf(struct vdec_msg_queue_ctx *msg_ctx, struct vdec_lat_buf list_add_tail(head, &msg_ctx->ready_queue); msg_ctx->ready_num++;
+ vdec_msg_queue_inc(&buf->ctx->msg_queue, msg_ctx->hardware_index); if (msg_ctx->hardware_index != MTK_VDEC_CORE) wake_up_all(&msg_ctx->ready_to_use); else @@ -127,6 +144,7 @@ struct vdec_lat_buf *vdec_msg_queue_dqbuf(struct vdec_msg_queue_ctx *msg_ctx) return NULL; } list_del(head); + vdec_msg_queue_dec(&buf->ctx->msg_queue, msg_ctx->hardware_index);
msg_ctx->ready_num--; mtk_v4l2_debug(3, "dqueue buf type:%d addr: 0x%p num: %d", @@ -241,10 +259,13 @@ int vdec_msg_queue_init(struct vdec_msg_queue *msg_queue,
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); + msg_queue->wdma_addr.size = vde_msg_queue_get_trans_size(ctx->picinfo.buf_w, ctx->picinfo.buf_h); - err = mtk_vcodec_mem_alloc(ctx, &msg_queue->wdma_addr); if (err) { mtk_v4l2_err("failed to allocate wdma_addr buf"); diff --git a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h index c43d427f5f544..b1aa5572ba49f 100644 --- a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h +++ b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.h @@ -72,6 +72,9 @@ struct vdec_lat_buf { * @wdma_wptr_addr: ube write point * @core_work: core hardware work * @lat_ctx: used to store lat buffer list + * + * @lat_list_cnt: used to record each instance lat list count + * @core_list_cnt: used to record each instance core list count */ struct vdec_msg_queue { struct vdec_lat_buf lat_buf[NUM_BUFFER_COUNT]; @@ -82,6 +85,9 @@ struct vdec_msg_queue {
struct work_struct core_work; struct vdec_msg_queue_ctx lat_ctx; + + atomic_t lat_list_cnt; + atomic_t core_list_cnt; };
/**