[PATCH v7, 05/15] media: mtk-vcodec: Call v4l2_m2m_set_dst_buffered() set capture buffer buffered
Yunfei Dong
yunfei.dong at mediatek.com
Tue Feb 22 19:39:58 PST 2022
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 at mediatek.com>
---
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
More information about the linux-arm-kernel
mailing list