[PATCH v5, 05/15] media: mtk-vcodec: Call v4l2_m2m_set_dst_buffered() set capture buffer buffered

From: Yunfei Dong
Date: Mon Jan 17 2022 - 04:40:40 EST


lat thread: output queue \
-> lat hardware -> lat trans buffer
lat trans buffer /

core thread: capture queue \
->core hardware -> capture queue
lat trans buffer /

Lat and core work in different thread, setting capture buffer buffered.

Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx>
---
drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c
index 5aebf88f997b..23a154c4e321 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_stateless.c
@@ -314,6 +314,9 @@ static void mtk_init_vdec_params(struct mtk_vcodec_ctx *ctx)
src_vq = v4l2_m2m_get_vq(ctx->m2m_ctx,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);

+ if (ctx->dev->vdec_pdata->hw_arch != MTK_VDEC_PURE_SINGLE_CORE)
+ v4l2_m2m_set_dst_buffered(ctx->m2m_ctx, 1);
+
/* Support request api for output plane */
src_vq->supports_requests = true;
src_vq->requires_requests = true;
--
2.25.1