[PATCH] media: davinci: vpbe: use v4l2_fh for priority handling

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[PATCH] media: davinci: vpbe: use v4l2_fh for priority handling

Lad, Prabhakar
From: "Lad, Prabhakar" <[hidden email]>

This patch migrates the vpbe driver to use v4l2_fh for
priority handling. This also fixes v4l2-compliance test.

Signed-off-by: Lad, Prabhakar <[hidden email]>
---
 drivers/media/platform/davinci/vpbe_display.c |   39 +++++--------------------
 include/media/davinci/vpbe_display.h          |    6 ++--
 2 files changed, 9 insertions(+), 36 deletions(-)

diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
index 6567082..a9ad949 100644
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ b/drivers/media/platform/davinci/vpbe_display.c
@@ -680,29 +680,6 @@ static int vpbe_try_format(struct vpbe_display *disp_dev,
  return 0;
 }
 
-static int vpbe_display_g_priority(struct file *file, void *priv,
- enum v4l2_priority *p)
-{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
-
- *p = v4l2_prio_max(&layer->prio);
-
- return 0;
-}
-
-static int vpbe_display_s_priority(struct file *file, void *priv,
- enum v4l2_priority p)
-{
- struct vpbe_fh *fh = file->private_data;
- struct vpbe_layer *layer = fh->layer;
- int ret;
-
- ret = v4l2_prio_change(&layer->prio, &fh->prio, p);
-
- return ret;
-}
-
 static int vpbe_display_querycap(struct file *file, void  *priv,
        struct v4l2_capability *cap)
 {
@@ -1492,6 +1469,7 @@ static int vpbe_display_open(struct file *file)
 {
  struct vpbe_fh *fh = NULL;
  struct vpbe_layer *layer = video_drvdata(file);
+ struct video_device *vdev = video_devdata(file);
  struct vpbe_display *disp_dev = layer->disp_dev;
  struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
  struct osd_state *osd_device = disp_dev->osd_device;
@@ -1504,6 +1482,7 @@ static int vpbe_display_open(struct file *file)
  "unable to allocate memory for file handle object\n");
  return -ENOMEM;
  }
+ v4l2_fh_init(&fh->fh, vdev);
  v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
  "vpbe display open plane = %d\n",
  layer->device_id);
@@ -1532,9 +1511,7 @@ static int vpbe_display_open(struct file *file)
  layer->usrs++;
  /* Set io_allowed member to false */
  fh->io_allowed = 0;
- /* Initialize priority of this instance to default priority */
- fh->prio = V4L2_PRIORITY_UNSET;
- v4l2_prio_open(&layer->prio, &fh->prio);
+ v4l2_fh_add(&fh->fh);
  v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
  "vpbe display device opened successfully\n");
  return 0;
@@ -1589,8 +1566,9 @@ static int vpbe_display_release(struct file *file)
  osd_device->ops.release_layer(osd_device,
  layer->layer_info.id);
  }
- /* Close the priority */
- v4l2_prio_close(&layer->prio, fh->prio);
+
+ v4l2_fh_del(&fh->fh);
+ v4l2_fh_exit(&fh->fh);
  file->private_data = NULL;
  mutex_unlock(&layer->opslock);
 
@@ -1618,8 +1596,6 @@ static const struct v4l2_ioctl_ops vpbe_ioctl_ops = {
  .vidioc_cropcap = vpbe_display_cropcap,
  .vidioc_g_crop = vpbe_display_g_crop,
  .vidioc_s_crop = vpbe_display_s_crop,
- .vidioc_g_priority = vpbe_display_g_priority,
- .vidioc_s_priority = vpbe_display_s_priority,
  .vidioc_s_std = vpbe_display_s_std,
  .vidioc_g_std = vpbe_display_g_std,
  .vidioc_enum_output = vpbe_display_enum_output,
@@ -1699,8 +1675,6 @@ static int init_vpbe_layer(int i, struct vpbe_display *disp_dev,
  vpbe_display_layer->layer_info.id =
  ((i == VPBE_DISPLAY_DEVICE_0) ? WIN_VID0 : WIN_VID1);
 
- /* Initialize prio member of layer object */
- v4l2_prio_init(&vpbe_display_layer->prio);
 
  return 0;
 }
@@ -1727,6 +1701,7 @@ static int register_device(struct vpbe_layer *vpbe_display_layer,
  vpbe_display_layer->disp_dev = disp_dev;
  /* set the driver data in platform device */
  platform_set_drvdata(pdev, disp_dev);
+ set_bit(V4L2_FL_USE_FH_PRIO, &vpbe_display_layer->video_dev.flags);
  video_set_drvdata(&vpbe_display_layer->video_dev,
   vpbe_display_layer);
 
diff --git a/include/media/davinci/vpbe_display.h b/include/media/davinci/vpbe_display.h
index 8dffffe..637749a 100644
--- a/include/media/davinci/vpbe_display.h
+++ b/include/media/davinci/vpbe_display.h
@@ -16,6 +16,7 @@
 /* Header files */
 #include <linux/videodev2.h>
 #include <media/v4l2-common.h>
+#include <media/v4l2-fh.h>
 #include <media/videobuf2-dma-contig.h>
 #include <media/davinci/vpbe_types.h>
 #include <media/davinci/vpbe_osd.h>
@@ -94,8 +95,6 @@ struct vpbe_layer {
  * has selected
  */
  enum v4l2_memory memory;
- /* Used to keep track of state of the priority */
- struct v4l2_prio_state prio;
  /* Used to store pixel format */
  struct v4l2_pix_format pix_fmt;
  enum v4l2_field buf_field;
@@ -134,14 +133,13 @@ struct vpbe_display {
 
 /* File handle structure */
 struct vpbe_fh {
+ struct v4l2_fh fh;
  /* vpbe device structure */
  struct vpbe_display *disp_dev;
  /* pointer to layer object for opened device */
  struct vpbe_layer *layer;
  /* Indicates whether this file handle is doing IO */
  unsigned char io_allowed;
- /* Used to keep track priority of this instance */
- enum v4l2_priority prio;
 };
 
 struct buf_config_params {
--
1.7.9.5

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