linux-kernel - [RFC PATCH 08/11] media: hantro: use hantro_decoded_buffer only for dst

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Message-Id: <20250502150513.4169098-9-m.felsch@pengutronix.de>
Date: Fri,  2 May 2025 17:05:11 +0200
From: Marco Felsch <m.felsch@...gutronix.de>
To: nicolas.dufresne@...labora.com,
	benjamin.gaignard@...labora.com,
	p.zabel@...gutronix.de,
	mchehab@...nel.org,
	shawnguo@...nel.org,
	Sascha Hauer <s.hauer@...gutronix.de>,
	kernel@...gutronix.de,
	festevam@...il.com,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	paulk@...-base.io,
	hverkuil@...all.nl,
	laurent.pinchart@...asonboard.com,
	sebastian.fricke@...labora.com,
	ming.qian@....com
Cc: linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org
Subject: [RFC PATCH 08/11] media: hantro: use hantro_decoded_buffer only for dst_vq

The dst_vq buffer size for encoders should not use the size of the
'hantro_decoded_buffer'. Make use of 'v4l2_m2m_buffer' instead till some
encoder requires pre buffer extra data.

Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
---
 drivers/media/platform/verisilicon/hantro_drv.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/media/platform/verisilicon/hantro_drv.c
index 8542238e0fb1..e4850ae4e8b8 100644
--- a/drivers/media/platform/verisilicon/hantro_drv.c
+++ b/drivers/media/platform/verisilicon/hantro_drv.c
@@ -244,7 +244,10 @@ queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
 	dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
 	dst_vq->drv_priv = ctx;
 	dst_vq->ops = &hantro_queue_ops;
-	dst_vq->buf_struct_size = sizeof(struct hantro_decoded_buffer);
+	if (ctx->is_encoder)
+		dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+	else
+		dst_vq->buf_struct_size = sizeof(struct hantro_decoded_buffer);
 	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
 	dst_vq->lock = &ctx->dev->vpu_mutex;
 	dst_vq->dev = ctx->dev->v4l2_dev.dev;
-- 
2.39.5