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Subject: media: ipu3-imgu: Refactor bytesperpixel calculation Author: Ricardo Ribalda <[email protected]> Date: Thu Oct 7 00:26:19 2021 +0200 Move the calculation to an inline function, to it can be used by other parts of the driver. Signed-off-by: Ricardo Ribalda <[email protected]> Signed-off-by: Sakari Ailus <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/staging/media/ipu3/ipu3-css.c | 19 +++---------------- drivers/staging/media/ipu3/ipu3-css.h | 1 - drivers/staging/media/ipu3/ipu3.h | 12 ++++++++++++ 3 files changed, 15 insertions(+), 17 deletions(-) --- diff --git a/drivers/staging/media/ipu3/ipu3-css.c b/drivers/staging/media/ipu3/ipu3-css.c index 608dcacf12b2..8c70497d744c 100644 --- a/drivers/staging/media/ipu3/ipu3-css.c +++ b/drivers/staging/media/ipu3/ipu3-css.c @@ -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; diff --git a/drivers/staging/media/ipu3/ipu3-css.h b/drivers/staging/media/ipu3/ipu3-css.h index 6108a068b228..ab64e9521203 100644 --- a/drivers/staging/media/ipu3/ipu3-css.h +++ b/drivers/staging/media/ipu3/ipu3-css.h @@ -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 */ diff --git a/drivers/staging/media/ipu3/ipu3.h b/drivers/staging/media/ipu3/ipu3.h index eb46b527dd23..d2ad0a95c5aa 100644 --- a/drivers/staging/media/ipu3/ipu3.h +++ b/drivers/staging/media/ipu3/ipu3.h @@ -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 _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
