diff options
Diffstat (limited to 'drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c')
| -rw-r--r-- | drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c index f4caa8f684aa..f76afd8112b2 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c @@ -411,6 +411,10 @@ static int rkisp1_rsz_init_config(struct v4l2_subdev *sd, sink_fmt->height = RKISP1_DEFAULT_HEIGHT; sink_fmt->field = V4L2_FIELD_NONE; sink_fmt->code = RKISP1_DEF_FMT; + sink_fmt->colorspace = V4L2_COLORSPACE_SRGB; + sink_fmt->xfer_func = V4L2_XFER_FUNC_SRGB; + sink_fmt->ycbcr_enc = V4L2_YCBCR_ENC_601; + sink_fmt->quantization = V4L2_QUANTIZATION_LIM_RANGE; sink_crop = v4l2_subdev_get_try_crop(sd, sd_state, RKISP1_RSZ_PAD_SINK); @@ -503,6 +507,7 @@ static void rkisp1_rsz_set_sink_fmt(struct rkisp1_resizer *rsz, const struct rkisp1_mbus_info *mbus_info; struct v4l2_mbus_framefmt *sink_fmt, *src_fmt; struct v4l2_rect *sink_crop; + bool is_yuv; sink_fmt = rkisp1_rsz_get_pad_fmt(rsz, sd_state, RKISP1_RSZ_PAD_SINK, which); @@ -524,9 +529,6 @@ static void rkisp1_rsz_set_sink_fmt(struct rkisp1_resizer *rsz, if (which == V4L2_SUBDEV_FORMAT_ACTIVE) rsz->pixel_enc = mbus_info->pixel_enc; - /* Propagete to source pad */ - src_fmt->code = sink_fmt->code; - sink_fmt->width = clamp_t(u32, format->width, RKISP1_ISP_MIN_WIDTH, RKISP1_ISP_MAX_WIDTH); @@ -534,8 +536,45 @@ static void rkisp1_rsz_set_sink_fmt(struct rkisp1_resizer *rsz, RKISP1_ISP_MIN_HEIGHT, RKISP1_ISP_MAX_HEIGHT); + /* + * Adjust the color space fields. Accept any color primaries and + * transfer function for both YUV and Bayer. For YUV any YCbCr encoding + * and quantization range is also accepted. For Bayer formats, the YCbCr + * encoding isn't applicable, and the quantization range can only be + * full. + */ + is_yuv = mbus_info->pixel_enc == V4L2_PIXEL_ENC_YUV; + + sink_fmt->colorspace = format->colorspace ? : + (is_yuv ? V4L2_COLORSPACE_SRGB : + V4L2_COLORSPACE_RAW); + sink_fmt->xfer_func = format->xfer_func ? : + V4L2_MAP_XFER_FUNC_DEFAULT(sink_fmt->colorspace); + if (is_yuv) { + sink_fmt->ycbcr_enc = format->ycbcr_enc ? : + V4L2_MAP_YCBCR_ENC_DEFAULT(sink_fmt->colorspace); + sink_fmt->quantization = format->quantization ? : + V4L2_MAP_QUANTIZATION_DEFAULT(false, sink_fmt->colorspace, + sink_fmt->ycbcr_enc); + } else { + /* + * The YCbCr encoding isn't applicable for non-YUV formats, but + * V4L2 has no "no encoding" value. Hardcode it to Rec. 601, it + * should be ignored by userspace. + */ + sink_fmt->ycbcr_enc = V4L2_YCBCR_ENC_601; + sink_fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; + } + *format = *sink_fmt; + /* Propagate the media bus code and color space to the source pad. */ + src_fmt->code = sink_fmt->code; + src_fmt->colorspace = sink_fmt->colorspace; + src_fmt->xfer_func = sink_fmt->xfer_func; + src_fmt->ycbcr_enc = sink_fmt->ycbcr_enc; + src_fmt->quantization = sink_fmt->quantization; + /* Update sink crop */ rkisp1_rsz_set_sink_crop(rsz, sd_state, sink_crop, which); } |