From: Hans Verkuil <hans.verk...@cisco.com>
Replace local variables by fields in the tpg_draw_params struct.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
drivers/media/platform/vivid/vivid-tpg.c | 34 +++++++++++++++++++++-----------
1 file changed, 22 insertions(+), 12 deletions(-)
diff --git a/drivers/media/platform/vivid/vivid-tpg.c
b/drivers/media/platform/vivid/vivid-tpg.c
index acee705..1e5eefa 100644
--- a/drivers/media/platform/vivid/vivid-tpg.c
+++ b/drivers/media/platform/vivid/vivid-tpg.c
@@ -1541,23 +1541,21 @@ struct tpg_draw_params {
void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p,
u8 *vbuf)
{
- bool is_tv = std;
- bool is_60hz = is_tv && (std & V4L2_STD_525_60);
+ struct tpg_draw_params params;
unsigned mv_hor_old = tpg->mv_hor_count % tpg->src_width;
unsigned mv_hor_new = (tpg->mv_hor_count + tpg->mv_hor_step) %
tpg->src_width;
unsigned mv_vert_old = tpg->mv_vert_count % tpg->src_height;
unsigned mv_vert_new = (tpg->mv_vert_count + tpg->mv_vert_step) %
tpg->src_height;
unsigned wss_width;
unsigned f;
- int hmax = (tpg->compose.height * tpg->perc_fill) / 100;
int h;
- unsigned twopixsize = tpg->twopixelsize[p];
+ unsigned twopixsize;
unsigned vdiv = tpg->vdownsampling[p];
- unsigned img_width = tpg_hdiv(tpg, p, tpg->compose.width);
+ unsigned img_width;
unsigned line_offset;
unsigned left_pillar_width = 0;
- unsigned right_pillar_start = img_width;
- unsigned stride = tpg->bytesperline[p];
+ unsigned right_pillar_start;
+ unsigned stride;
unsigned factor = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1;
u8 *orig_vbuf = vbuf;
@@ -1569,6 +1567,17 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg,
v4l2_std_id std, unsigned p, u8
tpg_recalc(tpg);
+ params.is_tv = std;
+ params.is_60hz = std & V4L2_STD_525_60;
+ params.twopixsize = tpg->twopixelsize[p];
+ params.img_width = tpg_hdiv(tpg, p, tpg->compose.width);
+ params.stride = tpg->bytesperline[p];
+ params.hmax = (tpg->compose.height * tpg->perc_fill) / 100;
+
+ twopixsize = params.twopixsize;
+ img_width = params.img_width;
+ stride = params.stride;
+
mv_hor_old = tpg_hscale_div(tpg, p, mv_hor_old);
mv_hor_new = tpg_hscale_div(tpg, p, mv_hor_new);
wss_width = tpg->crop.left < tpg->src_width / 2 ?
@@ -1585,6 +1594,7 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg,
v4l2_std_id std, unsigned p, u8
left_pillar_width = tpg->crop.width;
left_pillar_width = tpg_hscale_div(tpg, p, left_pillar_width);
}
+ right_pillar_start = img_width;
if (tpg->crop.left + tpg->crop.width > tpg->border.left +
tpg->border.width) {
right_pillar_start = tpg->border.left + tpg->border.width -
tpg->crop.left;
right_pillar_start = tpg_hscale_div(tpg, p, right_pillar_start);
@@ -1592,7 +1602,7 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg,
v4l2_std_id std, unsigned p, u8
right_pillar_start = img_width;
}
- f = tpg->field == (is_60hz ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
+ f = tpg->field == (params.is_60hz ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM);
for (h = 0; h < tpg->compose.height; h++) {
bool even;
@@ -1636,8 +1646,8 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg,
v4l2_std_id std, unsigned p, u8
buf_line /= vdiv;
}
- if (h >= hmax) {
- if (hmax == tpg->compose.height)
+ if (h >= params.hmax) {
+ if (params.hmax == tpg->compose.height)
continue;
if (!tpg->perc_fill_blank)
continue;
@@ -1720,7 +1730,7 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg,
v4l2_std_id std, unsigned p, u8
}
if (tpg->field_alternate) {
linestart_top = linestart_bottom = linestart_older;
- } else if (is_60hz) {
+ } else if (params.is_60hz) {
linestart_top = linestart_newer;
linestart_bottom = linestart_older;
} else {
@@ -1781,7 +1791,7 @@ void tpg_fill_plane_buffer(struct tpg_data *tpg,
v4l2_std_id std, unsigned p, u8
buf_line /= vdiv;
}
- if (is_tv && !is_60hz && frame_line == 0 && wss_width) {
+ if (params.is_tv && !params.is_60hz && frame_line == 0 &&
wss_width) {
/*
* Replace the first half of the top line of a 50 Hz
frame
* with random data to simulate a WSS signal.
--
2.1.4
--
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