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This change allows the removal of `rzg2l_cru_mc_validate_format()`. Suggested-by: Laurent Pinchart Signed-off-by: Lad Prabhakar Reviewed-by: Laurent Pinchart --- .../platform/renesas/rzg2l-cru/rzg2l-video.c | 82 +++++++++---------- 1 file changed, 38 insertions(+), 44 deletions(-) diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c index 0cc69a7440bf..df6114cbe5c7 100644 --- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c +++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c @@ -189,46 +189,6 @@ static void rzg2l_cru_buffer_queue(struct vb2_buffer *vb) spin_unlock_irqrestore(&cru->qlock, flags); } -static int rzg2l_cru_mc_validate_format(struct rzg2l_cru_dev *cru, - struct v4l2_subdev *sd, - struct media_pad *pad) -{ - struct v4l2_subdev_format fmt = { - .which = V4L2_SUBDEV_FORMAT_ACTIVE, - }; - - fmt.pad = pad->index; - if (v4l2_subdev_call_state_active(sd, pad, get_fmt, &fmt)) - return -EPIPE; - - switch (fmt.format.code) { - case MEDIA_BUS_FMT_UYVY8_1X16: - break; - default: - return -EPIPE; - } - - switch (fmt.format.field) { - case V4L2_FIELD_TOP: - case V4L2_FIELD_BOTTOM: - case V4L2_FIELD_NONE: - case V4L2_FIELD_INTERLACED_TB: - case V4L2_FIELD_INTERLACED_BT: - case V4L2_FIELD_INTERLACED: - case V4L2_FIELD_SEQ_TB: - case V4L2_FIELD_SEQ_BT: - break; - default: - return -EPIPE; - } - - if (fmt.format.width != cru->format.width || - fmt.format.height != cru->format.height) - return -EPIPE; - - return 0; -} - static void rzg2l_cru_set_slot_addr(struct rzg2l_cru_dev *cru, int slot, dma_addr_t addr) { @@ -532,10 +492,6 @@ static int rzg2l_cru_set_stream(struct rzg2l_cru_dev *cru, int on) return stream_off_ret; } - ret = rzg2l_cru_mc_validate_format(cru, sd, pad); - if (ret) - return ret; - pipe = media_entity_pipeline(&sd->entity) ? : &cru->vdev.pipe; ret = video_device_pipeline_start(&cru->vdev, pipe); if (ret) @@ -986,6 +942,43 @@ static const struct v4l2_file_operations rzg2l_cru_fops = { .read = vb2_fop_read, }; +/* ----------------------------------------------------------------------------- + * Media entity operations + */ + +static int rzg2l_cru_video_link_validate(struct media_link *link) +{ + struct v4l2_subdev_format fmt = { + .which = V4L2_SUBDEV_FORMAT_ACTIVE, + }; + const struct rzg2l_cru_ip_format *video_fmt; + struct v4l2_subdev *subdev; + struct rzg2l_cru_dev *cru; + int ret; + + subdev = media_entity_to_v4l2_subdev(link->source->entity); + fmt.pad = link->source->index; + ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt); + if (ret < 0) + return ret == -ENOIOCTLCMD ? -EINVAL : ret; + + cru = container_of(media_entity_to_video_device(link->sink->entity), + struct rzg2l_cru_dev, vdev); + video_fmt = rzg2l_cru_ip_format_to_fmt(cru->format.pixelformat); + + if (fmt.format.width != cru->format.width || + fmt.format.height != cru->format.height || + fmt.format.field != cru->format.field || + video_fmt->code != fmt.format.code) + return -EPIPE; + + return 0; +} + +static const struct media_entity_operations rzg2l_cru_video_media_ops = { + .link_validate = rzg2l_cru_video_link_validate, +}; + static void rzg2l_cru_v4l2_init(struct rzg2l_cru_dev *cru) { struct video_device *vdev = &cru->vdev; @@ -997,6 +990,7 @@ static void rzg2l_cru_v4l2_init(struct rzg2l_cru_dev *cru) vdev->lock = &cru->lock; vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; vdev->device_caps |= V4L2_CAP_IO_MC; + vdev->entity.ops = &rzg2l_cru_video_media_ops; vdev->fops = &rzg2l_cru_fops; vdev->ioctl_ops = &rzg2l_cru_ioctl_ops;