From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com,
ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar,
p.zabel@pengutronix.de, gregkh@linuxfoundation.org,
hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
linux-arm-msm@vger.kernel.org,
linux-rockchip@lists.infradead.org,
linux-staging@lists.linux.dev, kernel@collabora.com,
Benjamin Gaignard <benjamin.gaignard@collabora.com>
Subject: [PATCH v11 01/56] media: videobuf2: Rename offset parameter
Date: Thu, 12 Oct 2023 13:45:47 +0200 [thread overview]
Message-ID: <20231012114642.19040-2-benjamin.gaignard@collabora.com> (raw)
In-Reply-To: <20231012114642.19040-1-benjamin.gaignard@collabora.com>
Rename 'off' parameter to 'offset' to clarify the code.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
---
.../media/common/videobuf2/videobuf2-core.c | 26 +++++++++----------
1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c
index 27aee92f3eea..a5e57affeb30 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -356,23 +356,23 @@ static void __setup_offsets(struct vb2_buffer *vb)
{
struct vb2_queue *q = vb->vb2_queue;
unsigned int plane;
- unsigned long off = 0;
+ unsigned long offset = 0;
if (vb->index) {
struct vb2_buffer *prev = q->bufs[vb->index - 1];
struct vb2_plane *p = &prev->planes[prev->num_planes - 1];
- off = PAGE_ALIGN(p->m.offset + p->length);
+ offset = PAGE_ALIGN(p->m.offset + p->length);
}
for (plane = 0; plane < vb->num_planes; ++plane) {
- vb->planes[plane].m.offset = off;
+ vb->planes[plane].m.offset = offset;
dprintk(q, 3, "buffer %d, plane %d offset 0x%08lx\n",
- vb->index, plane, off);
+ vb->index, plane, offset);
- off += vb->planes[plane].length;
- off = PAGE_ALIGN(off);
+ offset += vb->planes[plane].length;
+ offset = PAGE_ALIGN(offset);
}
}
@@ -2185,9 +2185,9 @@ int vb2_core_streamoff(struct vb2_queue *q, unsigned int type)
EXPORT_SYMBOL_GPL(vb2_core_streamoff);
/*
- * __find_plane_by_offset() - find plane associated with the given offset off
+ * __find_plane_by_offset() - find plane associated with the given offset
*/
-static int __find_plane_by_offset(struct vb2_queue *q, unsigned long off,
+static int __find_plane_by_offset(struct vb2_queue *q, unsigned long offset,
unsigned int *_buffer, unsigned int *_plane)
{
struct vb2_buffer *vb;
@@ -2218,7 +2218,7 @@ static int __find_plane_by_offset(struct vb2_queue *q, unsigned long off,
vb = q->bufs[buffer];
for (plane = 0; plane < vb->num_planes; ++plane) {
- if (vb->planes[plane].m.offset == off) {
+ if (vb->planes[plane].m.offset == offset) {
*_buffer = buffer;
*_plane = plane;
return 0;
@@ -2304,7 +2304,7 @@ EXPORT_SYMBOL_GPL(vb2_core_expbuf);
int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma)
{
- unsigned long off = vma->vm_pgoff << PAGE_SHIFT;
+ unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
struct vb2_buffer *vb;
unsigned int buffer = 0, plane = 0;
int ret;
@@ -2335,7 +2335,7 @@ int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma)
* Find the plane corresponding to the offset passed by userspace. This
* will return an error if not MEMORY_MMAP or file I/O is in progress.
*/
- ret = __find_plane_by_offset(q, off, &buffer, &plane);
+ ret = __find_plane_by_offset(q, offset, &buffer, &plane);
if (ret)
goto unlock;
@@ -2380,7 +2380,7 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue *q,
unsigned long pgoff,
unsigned long flags)
{
- unsigned long off = pgoff << PAGE_SHIFT;
+ unsigned long offset = pgoff << PAGE_SHIFT;
struct vb2_buffer *vb;
unsigned int buffer, plane;
void *vaddr;
@@ -2392,7 +2392,7 @@ unsigned long vb2_get_unmapped_area(struct vb2_queue *q,
* Find the plane corresponding to the offset passed by userspace. This
* will return an error if not MEMORY_MMAP or file I/O is in progress.
*/
- ret = __find_plane_by_offset(q, off, &buffer, &plane);
+ ret = __find_plane_by_offset(q, offset, &buffer, &plane);
if (ret)
goto unlock;
--
2.39.2
next prev parent reply other threads:[~2023-10-12 13:00 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-12 11:45 [PATCH v11 00/56] Add DELETE_BUF ioctl Benjamin Gaignard
2023-10-12 11:45 ` Benjamin Gaignard [this message]
2023-10-12 11:45 ` [PATCH v11 02/56] media: videobuf2: Rework offset 'cookie' encoding pattern Benjamin Gaignard
2023-10-12 11:45 ` [PATCH v11 03/56] media: videobuf2: Stop spamming kernel log with all queue counter Benjamin Gaignard
2023-10-12 11:45 ` [PATCH v11 04/56] media: videobuf2: Use vb2_buffer instead of index Benjamin Gaignard
2023-10-16 7:34 ` Hans Verkuil
2023-10-12 11:45 ` [PATCH v11 05/56] media: videobuf2: Access vb2_queue bufs array through helper functions Benjamin Gaignard
2023-10-16 7:50 ` Hans Verkuil
2023-10-12 11:45 ` [PATCH v11 06/56] media: videobuf2: Remove duplicated index vs q->num_buffers check Benjamin Gaignard
2023-10-12 11:45 ` [PATCH v11 07/56] media: videobuf2: Add helper to get queue number of buffers Benjamin Gaignard
2023-10-12 11:45 ` [PATCH v11 08/56] media: videobuf2: Use vb2_get_num_buffers() helper Benjamin Gaignard
2023-10-16 8:08 ` Hans Verkuil
2023-10-12 11:45 ` [PATCH v11 09/56] media: amphion: Use vb2_get_buffer() instead of directly access to buffers array Benjamin Gaignard
2023-10-16 8:13 ` Hans Verkuil
2023-10-12 11:45 ` [PATCH v11 10/56] media: amphion: Stop direct calls to queue num_buffers field Benjamin Gaignard
2023-10-12 11:45 ` [PATCH v11 11/56] media: mediatek: jpeg: Use vb2_get_buffer() instead of directly access to buffers array Benjamin Gaignard
2023-10-12 11:45 ` [PATCH v11 12/56] media: mediatek: vdec: Remove useless loop Benjamin Gaignard
2023-10-12 11:45 ` [PATCH v11 13/56] media: mediatek: vcodec: Stop direct calls to queue num_buffers field Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 14/56] media: sti: hva: Use vb2_get_buffer() instead of directly access to buffers array Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 15/56] media: visl: " Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 16/56] media: atomisp: " Benjamin Gaignard
2023-10-12 12:10 ` Hans de Goede
2023-10-12 11:46 ` [PATCH v11 17/56] media: atomisp: Stop direct calls to queue num_buffers field Benjamin Gaignard
2023-10-12 12:10 ` Hans de Goede
2023-10-12 11:46 ` [PATCH v11 18/56] media: dvb-core: Use vb2_get_buffer() instead of directly access to buffers array Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 19/56] media: dvb-core: Do not initialize twice queue num_buffer field Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 20/56] media: dvb-frontends: rtl2832_srd: Use queue min_buffers_needed field Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 21/56] media: video-i2c: Set min_buffers_needed to 2 Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 22/56] media: pci: cx18: Set correct value to min_buffers_needed field Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 23/56] media: pci: dt3155: Remove useless check Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 24/56] media: pci: netup_unidvb: Remove useless number of buffers check Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 25/56] media: pci: tw68: Stop direct calls to queue num_buffers field Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 26/56] media: pci: tw686x: Set min_buffers_needed to 3 Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 27/56] media: coda: Stop direct calls to queue num_buffers field Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 28/56] media: nxp: " Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 29/56] media: renesas: Set min_buffers_needed to 16 Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 30/56] media: ti: Use queue min_buffers_needed field to set the min number of buffers Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 31/56] media: verisilicon: Stop direct calls to queue num_buffers field Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 32/56] media: test-drivers: " Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 33/56] media: usb: airspy: Set min_buffers_needed to 8 Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 34/56] media: usb: cx231xx: Set min_buffers_needed to CX231XX_MIN_BUF Benjamin Gaignard
2023-10-16 8:20 ` Hans Verkuil
2023-10-12 11:46 ` [PATCH v11 35/56] media: usb: hackrf: Set min_buffers_needed to 8 Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 36/56] media: usb: usbtv: Set min_buffers_needed to 2 Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 37/56] media: imx: Stop direct calls to queue num_buffers field Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 38/56] media: meson: vdec: " Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 39/56] touchscreen: sur40: " Benjamin Gaignard
2023-10-16 8:22 ` Hans Verkuil
2023-10-12 11:46 ` [PATCH v11 40/56] sample: v4l: " Benjamin Gaignard
2023-10-16 8:23 ` Hans Verkuil
2023-10-16 10:17 ` Hans Verkuil
2023-10-12 11:46 ` [PATCH v11 41/56] media: cedrus: " Benjamin Gaignard
2023-10-17 8:54 ` Paul Kocialkowski
2023-10-17 9:59 ` Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 42/56] media: nuvoton: " Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 43/56] media: videobuf2: Be more flexible on the number of queue stored buffers Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 44/56] media: core: Report the maximum possible number of buffers for the queue Benjamin Gaignard
2023-10-16 10:27 ` Hans Verkuil
2023-10-12 11:46 ` [PATCH v11 45/56] media: test-drivers: vivid: Increase max supported buffers for capture queues Benjamin Gaignard
2023-10-16 10:32 ` Hans Verkuil
2023-10-16 14:20 ` Benjamin Gaignard
2023-10-16 14:33 ` Hans Verkuil
2023-10-12 11:46 ` [PATCH v11 46/56] media: test-drivers: vicodec: Increase max supported capture queue buffers Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 47/56] media: verisilicon: Refactor postprocessor to store more buffers Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 48/56] media: verisilicon: Store chroma and motion vectors offset Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 49/56] media: verisilicon: g2: Use common helpers to compute chroma and mv offsets Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 50/56] media: verisilicon: vp9: Allow to change resolution while streaming Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 51/56] media: core: Rework how create_buf index returned value is computed Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 52/56] media: core: Add bitmap manage bufs array entries Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 53/56] media: core: Free range of buffers Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 54/56] media: v4l2: Add DELETE_BUFS ioctl Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 55/56] media: v4l2: Add mem2mem helpers for " Benjamin Gaignard
2023-10-12 11:46 ` [PATCH v11 56/56] media: test-drivers: Use helper " Benjamin Gaignard
[not found] ` <14198188-3519-46fb-abb6-0b1376f30b9d@xs4all.nl>
2023-10-16 12:03 ` [PATCH v11 00/56] Add DELETE_BUF ioctl Benjamin Gaignard
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