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media: bttv: move vbi_skip/vbi_count out of buffer 

Instead of storing vbi_skip and vbi_count in each bttv buffer separately,
move them to the main bttv struct as they won't change per buffer.

Signed-off-by: Deborah Brouwer <deborah.brouwer@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Deborah Brouwer 2023-07-14 19:16:06 -07:00 committed by Mauro Carvalho Chehab
parent 0f5f12e408
commit c9c0df318a
4 changed files with 17 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/media/pci/bt8xx/bttv-driver.c
View File

@ -3631,6 +3631,8 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id)
btv->input = 0;
btv->tvnorm = 0; /* Index into bttv_tvnorms[] i.e. PAL. */
bttv_vbi_fmt_reset(&btv->vbi_fmt, btv->tvnorm);
btv->vbi_count[0] = VBI_DEFLINES;
btv->vbi_count[1] = VBI_DEFLINES;
btv->do_crop = 0;
v4l2_ctrl_new_std(hdl, &bttv_ctrl_ops,

4
drivers/media/pci/bt8xx/bttv-risc.c
View File

@ -525,12 +525,12 @@ bttv_buffer_activate_vbi(struct bttv *btv,
btwrite(crop, BT848_O_CROP);
}
if (vbi->vbi_count[0] > 0) {
if (btv->vbi_count[0] > 0) {
top = &vbi->top;
top_irq_flags = 4;
}
if (vbi->vbi_count[1] > 0) {
if (btv->vbi_count[1] > 0) {
top_irq_flags = 0;
bottom = &vbi->bottom;
bottom_irq_flags = 4;

16
drivers/media/pci/bt8xx/bttv-vbi.c
View File

@ -125,14 +125,14 @@ static int vbi_buffer_prepare(struct videobuf_queue *q,
redo_dma_risc = 0;
if (buf->vbi_skip[0] != skip_lines0 ||
buf->vbi_skip[1] != skip_lines1 ||
buf->vbi_count[0] != fh->vbi_fmt.fmt.count[0] ||
buf->vbi_count[1] != fh->vbi_fmt.fmt.count[1]) {
buf->vbi_skip[0] = skip_lines0;
buf->vbi_skip[1] = skip_lines1;
buf->vbi_count[0] = fh->vbi_fmt.fmt.count[0];
buf->vbi_count[1] = fh->vbi_fmt.fmt.count[1];
if (btv->vbi_skip[0] != skip_lines0 ||
btv->vbi_skip[1] != skip_lines1 ||
btv->vbi_count[0] != fh->vbi_fmt.fmt.count[0] ||
btv->vbi_count[1] != fh->vbi_fmt.fmt.count[1]) {
btv->vbi_skip[0] = skip_lines0;
btv->vbi_skip[1] = skip_lines1;
btv->vbi_count[0] = fh->vbi_fmt.fmt.count[0];
btv->vbi_count[1] = fh->vbi_fmt.fmt.count[1];
redo_dma_risc = 1;
}

7
drivers/media/pci/bt8xx/bttvp.h
View File

@ -150,8 +150,6 @@ struct bttv_buffer {
struct bttv_geometry geo;
struct btcx_riscmem top;
struct btcx_riscmem bottom;
unsigned int vbi_skip[2];
unsigned int vbi_count[2];
};
struct bttv_buffer_set {
@ -239,6 +237,8 @@ void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv,
/* ---------------------------------------------------------- */
/* bttv-vbi.c */
#define VBI_DEFLINES 16
int bttv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
int bttv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
int bttv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f);
@ -447,6 +447,9 @@ struct bttv {
int width;
int height;
struct bttv_vbi_fmt vbi_fmt;
unsigned int vbi_skip[2];
unsigned int vbi_count[2];
/* Application called VIDIOC_S_SELECTION. */
int do_crop;