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media: ipu3-imgu: Refactor bytesperpixel calculation

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Move the calculation to an inline function, to it can be used by other
parts of the driver.

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Ricardo Ribalda 2021-10-07 00:26:19 +02:00 committed by Mauro Carvalho Chehab
parent 37b198eeb0
commit 3eacb6028e
3 changed files with 15 additions and 17 deletions
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19
drivers/staging/media/ipu3/ipu3-css.c
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@ -5,6 +5,7 @@
#include <linux/iopoll.h>
#include <linux/slab.h>
#include "ipu3.h"
#include "ipu3-css.h"
#include "ipu3-css-fw.h"
#include "ipu3-css-params.h"
@ -53,7 +54,6 @@ static const struct imgu_css_format imgu_css_formats[] = {
.frame_format = IMGU_ABI_FRAME_FORMAT_NV12,
.osys_format = IMGU_ABI_OSYS_FORMAT_NV12,
.osys_tiling = IMGU_ABI_OSYS_TILING_NONE,
.bytesperpixel_num = 1 * IPU3_CSS_FORMAT_BPP_DEN,
.chroma_decim = 4,
.width_align = IPU3_UAPI_ISP_VEC_ELEMS,
.flags = IPU3_CSS_FORMAT_FL_OUT | IPU3_CSS_FORMAT_FL_VF,
@ -64,7 +64,6 @@ static const struct imgu_css_format imgu_css_formats[] = {
.frame_format = IMGU_ABI_FRAME_FORMAT_RAW_PACKED,
.bayer_order = IMGU_ABI_BAYER_ORDER_BGGR,
.bit_depth = 10,
.bytesperpixel_num = 64,
.width_align = 2 * IPU3_UAPI_ISP_VEC_ELEMS,
.flags = IPU3_CSS_FORMAT_FL_IN,
}, {
@ -73,7 +72,6 @@ static const struct imgu_css_format imgu_css_formats[] = {
.frame_format = IMGU_ABI_FRAME_FORMAT_RAW_PACKED,
.bayer_order = IMGU_ABI_BAYER_ORDER_GBRG,
.bit_depth = 10,
.bytesperpixel_num = 64,
.width_align = 2 * IPU3_UAPI_ISP_VEC_ELEMS,
.flags = IPU3_CSS_FORMAT_FL_IN,
}, {
@ -82,7 +80,6 @@ static const struct imgu_css_format imgu_css_formats[] = {
.frame_format = IMGU_ABI_FRAME_FORMAT_RAW_PACKED,
.bayer_order = IMGU_ABI_BAYER_ORDER_GRBG,
.bit_depth = 10,
.bytesperpixel_num = 64,
.width_align = 2 * IPU3_UAPI_ISP_VEC_ELEMS,
.flags = IPU3_CSS_FORMAT_FL_IN,
}, {
@ -91,7 +88,6 @@ static const struct imgu_css_format imgu_css_formats[] = {
.frame_format = IMGU_ABI_FRAME_FORMAT_RAW_PACKED,
.bayer_order = IMGU_ABI_BAYER_ORDER_RGGB,
.bit_depth = 10,
.bytesperpixel_num = 64,
.width_align = 2 * IPU3_UAPI_ISP_VEC_ELEMS,
.flags = IPU3_CSS_FORMAT_FL_IN,
},
@ -150,17 +146,8 @@ static int imgu_css_queue_init(struct imgu_css_queue *queue,
f->height = ALIGN(clamp_t(u32, f->height,
IPU3_CSS_MIN_RES, IPU3_CSS_MAX_H), 2);
queue->width_pad = ALIGN(f->width, queue->css_fmt->width_align);
if (queue->css_fmt->frame_format != IMGU_ABI_FRAME_FORMAT_RAW_PACKED)
f->plane_fmt[0].bytesperline = DIV_ROUND_UP(queue->width_pad *
queue->css_fmt->bytesperpixel_num,
IPU3_CSS_FORMAT_BPP_DEN);
else
/* For packed raw, alignment for bpl is by 50 to the width */
f->plane_fmt[0].bytesperline =
DIV_ROUND_UP(f->width,
IPU3_CSS_FORMAT_BPP_DEN) *
queue->css_fmt->bytesperpixel_num;
f->plane_fmt[0].bytesperline =
imgu_bytesperline(f->width, queue->css_fmt->frame_format);
sizeimage = f->height * f->plane_fmt[0].bytesperline;
if (queue->css_fmt->chroma_decim)
sizeimage += 2 * sizeimage / queue->css_fmt->chroma_decim;

1
drivers/staging/media/ipu3/ipu3-css.h
View File

@ -82,7 +82,6 @@ struct imgu_css_format {
enum imgu_abi_bayer_order bayer_order;
enum imgu_abi_osys_format osys_format;
enum imgu_abi_osys_tiling osys_tiling;
u32 bytesperpixel_num; /* Bytes per pixel in first plane * 50 */
u8 bit_depth; /* Effective bits per pixel */
u8 chroma_decim; /* Chroma plane decimation, 0=no chroma plane */
u8 width_align; /* Alignment requirement for width_pad */

12
drivers/staging/media/ipu3/ipu3.h
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@ -164,4 +164,16 @@ void imgu_v4l2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state);
int imgu_s_stream(struct imgu_device *imgu, int enable);
static inline u32 imgu_bytesperline(const unsigned int width,
enum imgu_abi_frame_format frame_format)
{
if (frame_format == IMGU_ABI_FRAME_FORMAT_NV12)
return ALIGN(width, IPU3_UAPI_ISP_VEC_ELEMS);
/*
* 64 bytes for every 50 pixels, the line length
* in bytes is multiple of 64 (line end alignment).
*/
return DIV_ROUND_UP(width, 50) * 64;
}
#endif