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Message-Id: <20231017144756.34719-26-benjamin.gaignard@collabora.com>
Date: Tue, 17 Oct 2023 16:47:25 +0200
From: Benjamin Gaignard <benjamin.gaignard@...labora.com>
To: mchehab@...nel.org, tfiga@...omium.org, m.szyprowski@...sung.com,
ming.qian@....com, ezequiel@...guardiasur.com.ar,
p.zabel@...gutronix.de, gregkh@...uxfoundation.org,
hverkuil-cisco@...all.nl, nicolas.dufresne@...labora.com
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
linux-rockchip@...ts.infradead.org, linux-staging@...ts.linux.dev,
kernel@...labora.com,
Benjamin Gaignard <benjamin.gaignard@...labora.com>,
Fabrizio Castro <fabrizio.castro.jz@...esas.com>
Subject: [PATCH v12 25/56] media: pci: tw68: Stop direct calls to queue num_buffers field
Use vb2_get_num_buffers() to avoid using queue num_buffers field directly.
This allows us to change how the number of buffers is computed in the
futur.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
CC: Fabrizio Castro <fabrizio.castro.jz@...esas.com>
---
drivers/media/pci/tw68/tw68-video.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c
index 773a18702d36..35296c226019 100644
--- a/drivers/media/pci/tw68/tw68-video.c
+++ b/drivers/media/pci/tw68/tw68-video.c
@@ -360,13 +360,13 @@ static int tw68_queue_setup(struct vb2_queue *q,
unsigned int sizes[], struct device *alloc_devs[])
{
struct tw68_dev *dev = vb2_get_drv_priv(q);
- unsigned tot_bufs = q->num_buffers + *num_buffers;
+ unsigned tot_bufs = vb2_get_num_buffers(q) + *num_buffers;
unsigned size = (dev->fmt->depth * dev->width * dev->height) >> 3;
if (tot_bufs < 2)
tot_bufs = 2;
tot_bufs = tw68_buffer_count(size, tot_bufs);
- *num_buffers = tot_bufs - q->num_buffers;
+ *num_buffers = tot_bufs - vb2_get_num_buffers(q);
/*
* We allow create_bufs, but only if the sizeimage is >= as the
* current sizeimage. The tw68_buffer_count calculation becomes quite
--
2.39.2
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