diff options
| author | Jason Chen <b02280@freescale.com> | 2011-11-15 17:23:06 +0800 |
|---|---|---|
| committer | Jason Chen <b02280@freescale.com> | 2011-11-16 16:32:06 +0800 |
| commit | bb59decb05eac1a051f1758ce98e757000ae24d0 (patch) | |
| tree | e1d8779e402f9f453b80ad95f2fd44f7b56b5fd5 | |
| parent | 2c8393520e546bd66b6494455919fe91e1888152 (diff) | |
| download | linux-linaro-bb59decb05eac1a051f1758ce98e757000ae24d0.tar.gz | |
ENGR00162206 mxc_vout: resize output crop on-the-fly
adding support of set crop during streamon.
Signed-off-by: Jason Chen <b02280@freescale.com>
| -rw-r--r-- | drivers/media/video/mxc/output/mxc_vout.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/media/video/mxc/output/mxc_vout.c b/drivers/media/video/mxc/output/mxc_vout.c index 9291f4c8b65..b1730bb2c7b 100644 --- a/drivers/media/video/mxc/output/mxc_vout.c +++ b/drivers/media/video/mxc/output/mxc_vout.c @@ -154,6 +154,8 @@ const static struct v4l2_fmtdesc mxc_formats[] = { static int mxc_vidioc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i); static struct mxc_vout_fb g_fb_setting[MAX_FB_NUM]; +static int config_disp_output(struct mxc_vout_output *vout); +static void release_disp_output(struct mxc_vout_output *vout); static ipu_channel_t get_ipu_channel(struct fb_info *fbi) { @@ -430,6 +432,8 @@ static void disp_work_func(struct work_struct *work) spin_unlock_irqrestore(q->irqlock, flags); + mutex_lock(&vout->task_lock); + if (vb->memory == V4L2_MEMORY_USERPTR) vout->task.input.paddr = vb->baddr; else @@ -447,17 +451,19 @@ static void disp_work_func(struct work_struct *work) } vout->task.output.paddr = vout->disp_bufs[vout->frame_count % FB_BUFS]; - mutex_lock(&vout->task_lock); ret = ipu_queue_task(&vout->task); - mutex_unlock(&vout->task_lock); - if (ret < 0) + if (ret < 0) { + mutex_unlock(&vout->task_lock); goto err; + } } ret = show_buf(vout, vout->frame_count % FB_BUFS); if (ret < 0) v4l2_warn(vout->vfd->v4l2_dev, "show buf with ret %d\n", ret); + mutex_unlock(&vout->task_lock); + spin_lock_irqsave(q->irqlock, flags); list_del(&vb->queue); @@ -938,9 +944,6 @@ static int mxc_vidioc_s_crop(struct file *file, void *fh, struct v4l2_crop *crop if (crop->c.width < 0 || crop->c.height < 0) return -EINVAL; - if (vout->vbq.streaming) - return -EBUSY; - if (crop->c.width == 0) crop->c.width = b->width - b->left; if (crop->c.height == 0) @@ -968,6 +971,9 @@ static int mxc_vidioc_s_crop(struct file *file, void *fh, struct v4l2_crop *crop mutex_lock(&vout->task_lock); + if (vout->fmt_init && vout->vbq.streaming) + release_disp_output(vout); + if (vout->disp_support_windows) { vout->task.output.crop.pos.x = 0; vout->task.output.crop.pos.y = 0; @@ -988,9 +994,24 @@ static int mxc_vidioc_s_crop(struct file *file, void *fh, struct v4l2_crop *crop * ipu task, it will check in S_FMT, after S_FMT, S_CROP should * check ipu task too. */ - if (vout->fmt_init) + if (vout->fmt_init) { ret = mxc_vout_try_task(vout); + if (ret < 0) { + v4l2_err(vout->vfd->v4l2_dev, + "vout check task failed\n"); + goto done; + } + if (vout->vbq.streaming) { + ret = config_disp_output(vout); + if (ret < 0) { + v4l2_err(vout->vfd->v4l2_dev, + "Config display output failed\n"); + goto done; + } + } + } +done: mutex_unlock(&vout->task_lock); return ret; |