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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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[media] saa7134: v4l2-compliance: use v4l2_fh to fix priority handling
Make saa7134 driver more V4L2 compliant: remove broken priority handling and use v4l2_fh instead Signed-off-by: Ondrej Zary <linux@rainbow-software.org> [hans.verkuil@cisco.com: fixed a merge conflict in saa7134.h] Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Ondrej Zary
Mauro Carvalho Chehab
parent
8245670838
commit
3bbaa3a601
@ -805,6 +805,7 @@ static struct video_device *vdev_init(struct saa7134_dev *dev,
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vfd->debug = video_debug;
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snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
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dev->name, type, saa7134_boards[dev->board].name);
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set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
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video_set_drvdata(vfd, dev);
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return vfd;
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}
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@ -1028,8 +1029,6 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
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}
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}
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v4l2_prio_init(&dev->prio);
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mutex_lock(&saa7134_devlist_lock);
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list_for_each_entry(mops, &mops_list, next)
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mpeg_ops_attach(mops, dev);
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@ -1176,14 +1176,6 @@ int saa7134_s_ctrl_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, str
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int restart_overlay = 0;
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int err;
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/* When called from the empress code fh == NULL.
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That needs to be fixed somehow, but for now this is
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good enough. */
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if (fh) {
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err = v4l2_prio_check(&dev->prio, fh->prio);
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if (0 != err)
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return err;
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}
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err = -EINVAL;
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mutex_lock(&dev->lock);
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@ -1352,6 +1344,7 @@ static int video_open(struct file *file)
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if (NULL == fh)
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return -ENOMEM;
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v4l2_fh_init(&fh->fh, vdev);
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file->private_data = fh;
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fh->dev = dev;
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fh->radio = radio;
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@ -1359,7 +1352,6 @@ static int video_open(struct file *file)
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fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
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fh->width = 720;
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fh->height = 576;
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v4l2_prio_open(&dev->prio, &fh->prio);
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videobuf_queue_sg_init(&fh->cap, &video_qops,
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&dev->pci->dev, &dev->slock,
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@ -1384,6 +1376,8 @@ static int video_open(struct file *file)
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/* switch to video/vbi mode */
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video_mux(dev,dev->ctl_input);
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}
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v4l2_fh_add(&fh->fh);
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return 0;
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}
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@ -1504,7 +1498,8 @@ static int video_release(struct file *file)
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saa7134_pgtable_free(dev->pci,&fh->pt_cap);
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saa7134_pgtable_free(dev->pci,&fh->pt_vbi);
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v4l2_prio_close(&dev->prio, fh->prio);
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v4l2_fh_del(&fh->fh);
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v4l2_fh_exit(&fh->fh);
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file->private_data = NULL;
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kfree(fh);
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return 0;
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@ -1784,11 +1779,6 @@ static int saa7134_s_input(struct file *file, void *priv, unsigned int i)
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{
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struct saa7134_fh *fh = priv;
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struct saa7134_dev *dev = fh->dev;
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int err;
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err = v4l2_prio_check(&dev->prio, fh->prio);
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if (0 != err)
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return err;
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if (i >= SAA7134_INPUT_MAX)
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return -EINVAL;
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@ -1856,16 +1846,8 @@ int saa7134_s_std_internal(struct saa7134_dev *dev, struct saa7134_fh *fh, v4l2_
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unsigned long flags;
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unsigned int i;
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v4l2_std_id fixup;
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int err;
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/* When called from the empress code fh == NULL.
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That needs to be fixed somehow, but for now this is
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good enough. */
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if (fh) {
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err = v4l2_prio_check(&dev->prio, fh->prio);
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if (0 != err)
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return err;
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} else if (res_locked(dev, RESOURCE_OVERLAY)) {
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if (!fh && res_locked(dev, RESOURCE_OVERLAY)) {
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/* Don't change the std from the mpeg device
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if overlay is active. */
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return -EBUSY;
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@ -2050,11 +2032,7 @@ static int saa7134_s_tuner(struct file *file, void *priv,
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{
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struct saa7134_fh *fh = priv;
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struct saa7134_dev *dev = fh->dev;
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int rx, mode, err;
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err = v4l2_prio_check(&dev->prio, fh->prio);
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if (0 != err)
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return err;
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int rx, mode;
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mode = dev->thread.mode;
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if (UNSET == mode) {
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@ -2084,11 +2062,6 @@ static int saa7134_s_frequency(struct file *file, void *priv,
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{
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struct saa7134_fh *fh = priv;
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struct saa7134_dev *dev = fh->dev;
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int err;
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err = v4l2_prio_check(&dev->prio, fh->prio);
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if (0 != err)
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return err;
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if (0 != f->tuner)
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return -EINVAL;
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@ -2117,24 +2090,6 @@ static int saa7134_s_audio(struct file *file, void *priv, const struct v4l2_audi
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return 0;
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}
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static int saa7134_g_priority(struct file *file, void *f, enum v4l2_priority *p)
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{
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struct saa7134_fh *fh = f;
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struct saa7134_dev *dev = fh->dev;
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*p = v4l2_prio_max(&dev->prio);
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return 0;
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}
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static int saa7134_s_priority(struct file *file, void *f,
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enum v4l2_priority prio)
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{
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struct saa7134_fh *fh = f;
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struct saa7134_dev *dev = fh->dev;
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return v4l2_prio_change(&dev->prio, &fh->prio, prio);
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}
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static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv,
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struct v4l2_fmtdesc *f)
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{
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@ -2476,8 +2431,6 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
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.vidioc_g_fbuf = saa7134_g_fbuf,
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.vidioc_s_fbuf = saa7134_s_fbuf,
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.vidioc_overlay = saa7134_overlay,
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.vidioc_g_priority = saa7134_g_priority,
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.vidioc_s_priority = saa7134_s_priority,
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.vidioc_g_parm = saa7134_g_parm,
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.vidioc_g_frequency = saa7134_g_frequency,
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.vidioc_s_frequency = saa7134_s_frequency,
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@ -36,6 +36,7 @@
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#include <media/v4l2-common.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-fh.h>
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#include <media/tuner.h>
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#include <media/rc-core.h>
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#include <media/ir-kbd-i2c.h>
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@ -468,11 +469,11 @@ struct saa7134_dmaqueue {
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/* video filehandle status */
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struct saa7134_fh {
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struct v4l2_fh fh;
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struct saa7134_dev *dev;
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unsigned int radio;
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enum v4l2_buf_type type;
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unsigned int resources;
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enum v4l2_priority prio;
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struct pm_qos_request qos_request;
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/* video overlay */
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@ -544,7 +545,6 @@ struct saa7134_dev {
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struct list_head devlist;
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struct mutex lock;
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spinlock_t slock;
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struct v4l2_prio_state prio;
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struct v4l2_device v4l2_dev;
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/* workstruct for loading modules */
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struct work_struct request_module_wk;
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