diff options
Diffstat (limited to 'drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c')
| -rw-r--r-- | drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c index 8bbf9d10b467..a45a2f699000 100644 --- a/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c +++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-enc.c @@ -1554,7 +1554,6 @@ static int wave5_vpu_open_enc(struct file *filp) v4l2_fh_add(&inst->v4l2_fh); INIT_LIST_HEAD(&inst->list); - list_add_tail(&inst->list, &dev->instances); inst->v4l2_m2m_dev = inst->dev->v4l2_m2m_enc_dev; inst->v4l2_fh.m2m_ctx = @@ -1729,6 +1728,18 @@ static int wave5_vpu_open_enc(struct file *filp) wave5_vdi_allocate_sram(inst->dev); + ret = mutex_lock_interruptible(&dev->dev_lock); + if (ret) + goto cleanup_inst; + + if (dev->irq < 0 && !hrtimer_active(&dev->hrtimer) && list_empty(&dev->instances)) + hrtimer_start(&dev->hrtimer, ns_to_ktime(dev->vpu_poll_interval * NSEC_PER_MSEC), + HRTIMER_MODE_REL_PINNED); + + list_add_tail(&inst->list, &dev->instances); + + mutex_unlock(&dev->dev_lock); + return 0; cleanup_inst: |