[media] davinci: convert vpif_display to core-assisted locking
vpif_display now uses .unlocked_ioctl instead of .ioctl. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Manjunath Hadli <manjunath.hadli@ti.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
46656afa8a
commit
9bfaae24f9
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@ -652,9 +652,6 @@ static int vpif_release(struct file *filep)
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struct channel_obj *ch = fh->channel;
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struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
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if (mutex_lock_interruptible(&common->lock))
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return -ERESTARTSYS;
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/* if this instance is doing IO */
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if (fh->io_allowed[VPIF_VIDEO_INDEX]) {
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/* Reset io_usrs member of channel object */
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@ -677,8 +674,6 @@ static int vpif_release(struct file *filep)
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config_params.numbuffers[ch->channel_id];
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}
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mutex_unlock(&common->lock);
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/* Decrement channel usrs counter */
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atomic_dec(&ch->usrs);
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/* If this file handle has initialize encoder device, reset it */
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@ -737,24 +732,15 @@ static int vpif_g_fmt_vid_out(struct file *file, void *priv,
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struct vpif_fh *fh = priv;
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struct channel_obj *ch = fh->channel;
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struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
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int ret = 0;
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/* Check the validity of the buffer type */
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if (common->fmt.type != fmt->type)
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return -EINVAL;
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/* Fill in the information about format */
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if (mutex_lock_interruptible(&common->lock))
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return -ERESTARTSYS;
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if (vpif_update_resolution(ch))
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ret = -EINVAL;
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else
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*fmt = common->fmt;
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mutex_unlock(&common->lock);
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return ret;
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return -EINVAL;
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*fmt = common->fmt;
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return 0;
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}
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static int vpif_s_fmt_vid_out(struct file *file, void *priv,
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@ -794,12 +780,7 @@ static int vpif_s_fmt_vid_out(struct file *file, void *priv,
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/* store the pix format in the channel object */
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common->fmt.fmt.pix = *pixfmt;
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/* store the format in the channel object */
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if (mutex_lock_interruptible(&common->lock))
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return -ERESTARTSYS;
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common->fmt = *fmt;
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mutex_unlock(&common->lock);
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return 0;
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}
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@ -829,7 +810,6 @@ static int vpif_reqbufs(struct file *file, void *priv,
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struct common_obj *common;
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enum v4l2_field field;
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u8 index = 0;
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int ret = 0;
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/* This file handle has not initialized the channel,
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It is not allowed to do settings */
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@ -847,18 +827,12 @@ static int vpif_reqbufs(struct file *file, void *priv,
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index = VPIF_VIDEO_INDEX;
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common = &ch->common[index];
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if (mutex_lock_interruptible(&common->lock))
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return -ERESTARTSYS;
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if (common->fmt.type != reqbuf->type) {
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ret = -EINVAL;
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goto reqbuf_exit;
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}
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if (common->fmt.type != reqbuf->type)
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return -EINVAL;
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if (0 != common->io_usrs) {
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ret = -EBUSY;
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goto reqbuf_exit;
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}
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if (0 != common->io_usrs)
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return -EBUSY;
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if (reqbuf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
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if (common->fmt.fmt.pix.field == V4L2_FIELD_ANY)
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@ -875,7 +849,7 @@ static int vpif_reqbufs(struct file *file, void *priv,
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&common->irqlock,
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reqbuf->type, field,
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sizeof(struct videobuf_buffer), fh,
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NULL);
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&common->lock);
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/* Set io allowed member of file handle to TRUE */
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fh->io_allowed[index] = 1;
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@ -886,11 +860,7 @@ static int vpif_reqbufs(struct file *file, void *priv,
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INIT_LIST_HEAD(&common->dma_queue);
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/* Allocate buffers */
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ret = videobuf_reqbufs(&common->buffer_queue, reqbuf);
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reqbuf_exit:
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mutex_unlock(&common->lock);
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return ret;
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return videobuf_reqbufs(&common->buffer_queue, reqbuf);
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}
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static int vpif_querybuf(struct file *file, void *priv,
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@ -1011,25 +981,19 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id *std_id)
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}
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/* Call encoder subdevice function to set the standard */
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if (mutex_lock_interruptible(&common->lock))
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return -ERESTARTSYS;
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ch->video.stdid = *std_id;
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ch->video.dv_preset = V4L2_DV_INVALID;
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memset(&ch->video.bt_timings, 0, sizeof(ch->video.bt_timings));
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/* Get the information about the standard */
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if (vpif_update_resolution(ch)) {
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ret = -EINVAL;
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goto s_std_exit;
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}
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if (vpif_update_resolution(ch))
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return -EINVAL;
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if ((ch->vpifparams.std_info.width *
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ch->vpifparams.std_info.height * 2) >
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config_params.channel_bufsize[ch->channel_id]) {
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vpif_err("invalid std for this size\n");
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ret = -EINVAL;
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goto s_std_exit;
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return -EINVAL;
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}
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common->fmt.fmt.pix.bytesperline = common->fmt.fmt.pix.width;
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@ -1040,16 +1004,13 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id *std_id)
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s_std_output, *std_id);
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if (ret < 0) {
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vpif_err("Failed to set output standard\n");
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goto s_std_exit;
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return ret;
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}
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ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, core,
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s_std, *std_id);
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if (ret < 0)
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vpif_err("Failed to set standard for sub devices\n");
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s_std_exit:
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mutex_unlock(&common->lock);
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return ret;
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}
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@ -1121,14 +1082,10 @@ static int vpif_streamon(struct file *file, void *priv,
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return ret;
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}
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if (mutex_lock_interruptible(&common->lock))
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return -ERESTARTSYS;
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/* If buffer queue is empty, return error */
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if (list_empty(&common->dma_queue)) {
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vpif_err("buffer queue is empty\n");
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ret = -EIO;
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goto streamon_exit;
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return -EIO;
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}
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/* Get the next frame from the buffer queue */
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@ -1154,8 +1111,7 @@ static int vpif_streamon(struct file *file, void *priv,
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|| (!ch->vpifparams.std_info.frm_fmt
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&& (common->fmt.fmt.pix.field == V4L2_FIELD_NONE))) {
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vpif_err("conflict in field format and std format\n");
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ret = -EINVAL;
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goto streamon_exit;
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return -EINVAL;
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}
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/* clock settings */
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@ -1164,13 +1120,13 @@ static int vpif_streamon(struct file *file, void *priv,
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ch->vpifparams.std_info.hd_sd);
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if (ret < 0) {
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vpif_err("can't set clock\n");
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goto streamon_exit;
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return ret;
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}
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/* set the parameters and addresses */
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ret = vpif_set_video_params(vpif, ch->channel_id + 2);
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if (ret < 0)
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goto streamon_exit;
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return ret;
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common->started = ret;
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vpif_config_addr(ch, ret);
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@ -1195,9 +1151,6 @@ static int vpif_streamon(struct file *file, void *priv,
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}
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channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1;
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}
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streamon_exit:
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mutex_unlock(&common->lock);
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return ret;
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}
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@ -1223,9 +1176,6 @@ static int vpif_streamoff(struct file *file, void *priv,
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return -EINVAL;
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}
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if (mutex_lock_interruptible(&common->lock))
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return -ERESTARTSYS;
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if (buftype == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
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/* disable channel */
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if (VPIF_CHANNEL2_VIDEO == ch->channel_id) {
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@ -1240,8 +1190,6 @@ static int vpif_streamoff(struct file *file, void *priv,
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}
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common->started = 0;
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mutex_unlock(&common->lock);
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return videobuf_streamoff(&common->buffer_queue);
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}
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@ -1288,13 +1236,9 @@ static int vpif_s_output(struct file *file, void *priv, unsigned int i)
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struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
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int ret = 0;
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if (mutex_lock_interruptible(&common->lock))
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return -ERESTARTSYS;
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if (common->started) {
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vpif_err("Streaming in progress\n");
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ret = -EBUSY;
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goto s_output_exit;
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return -EBUSY;
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}
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ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video,
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@ -1304,9 +1248,6 @@ static int vpif_s_output(struct file *file, void *priv, unsigned int i)
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vpif_err("Failed to set output standard\n");
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vid_ch->output_id = i;
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s_output_exit:
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mutex_unlock(&common->lock);
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return ret;
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}
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@ -1658,7 +1599,7 @@ static const struct v4l2_file_operations vpif_fops = {
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.owner = THIS_MODULE,
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.open = vpif_open,
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.release = vpif_release,
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.ioctl = video_ioctl2,
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.unlocked_ioctl = video_ioctl2,
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.mmap = vpif_mmap,
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.poll = vpif_poll
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};
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@ -1842,6 +1783,7 @@ static __init int vpif_probe(struct platform_device *pdev)
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v4l2_prio_init(&ch->prio);
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ch->common[VPIF_VIDEO_INDEX].fmt.type =
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V4L2_BUF_TYPE_VIDEO_OUTPUT;
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ch->video_dev->lock = &common->lock;
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/* register video device */
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vpif_dbg(1, debug, "channel=%x,channel->video_dev=%x\n",
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