linux-kernel - [PATCH] media: starfive: camss: Use common dma-contig dma addr helper

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Message-ID: <20250801082149.591192-1-paulk@sys-base.io>
Date: Fri,  1 Aug 2025 10:21:49 +0200
From: Paul Kocialkowski <paulk@...-base.io>
To: linux-media@...r.kernel.org,
	linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Cc: Jack Zhu <jack.zhu@...rfivetech.com>,
	Changhuang Liang <changhuang.liang@...rfivetech.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Hans Verkuil <hverkuil@...all.nl>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Paul Kocialkowski <paulk@...-base.io>
Subject: [PATCH] media: starfive: camss: Use common dma-contig dma addr helper

The vb2_plane_cookie helpers is not meant to be used directly by
drivers using the generic dma-contig allocator.

Use the common helper to retrieve the plane dma address instead.

Signed-off-by: Paul Kocialkowski <paulk@...-base.io>
---
 drivers/staging/media/starfive/camss/stf-video.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/media/starfive/camss/stf-video.c b/drivers/staging/media/starfive/camss/stf-video.c
index a0420eb6a0aa..b0b9b70b9641 100644
--- a/drivers/staging/media/starfive/camss/stf-video.c
+++ b/drivers/staging/media/starfive/camss/stf-video.c
@@ -167,10 +167,8 @@ static int video_buf_init(struct vb2_buffer *vb)
 	struct stfcamss_video *video = vb2_get_drv_priv(vb->vb2_queue);
 	struct stfcamss_buffer *buffer = to_stfcamss_buffer(vbuf);
 	const struct v4l2_pix_format *fmt = &video->active_fmt.fmt.pix;
-	dma_addr_t *paddr;
 
-	paddr = vb2_plane_cookie(vb, 0);
-	buffer->addr[0] = *paddr;
+	buffer->addr[0] = vb2_dma_contig_plane_dma_addr(vb, 0);
 
 	if (fmt->pixelformat == V4L2_PIX_FMT_NV12)
 		buffer->addr[1] =
-- 
2.50.1