From: "Lad, Prabhakar" <prabhakar.csengg@xxxxxxxxx>
this patch sets nbuffers to three or more and drops the
unset member video_limit which just a copy paste from
earlier driver.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
---
drivers/staging/media/davinci_vpfe/vpfe_mc_capture.h | 2 --
drivers/staging/media/davinci_vpfe/vpfe_video.c | 15 +++------------
2 files changed, 3 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.h b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.h
index 2632a80..8ad8d74 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.h
+++ b/drivers/staging/media/davinci_vpfe/vpfe_mc_capture.h
@@ -67,8 +67,6 @@ struct vpfe_device {
/* CCDC IRQs used when CCDC/ISIF output to SDRAM */
unsigned int ccdc_irq0;
unsigned int ccdc_irq1;
- /* maximum video memory that is available*/
- unsigned int video_limit;
/* media device */
struct media_device media_dev;
/* ccdc subdevice */
diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c
index 06d48d5..6744192 100644
--- a/drivers/staging/media/davinci_vpfe/vpfe_video.c
+++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c
@@ -27,9 +27,6 @@
#include "vpfe.h"
#include "vpfe_mc_capture.h"
-/* minimum number of buffers needed in cont-mode */
-#define MIN_NUM_BUFFERS 3
-
static int debug;
/* get v4l2 subdev pointer to external subdev which is active */
@@ -1088,20 +1085,14 @@ vpfe_buffer_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
struct vpfe_fh *fh = vb2_get_drv_priv(vq);
struct vpfe_video_device *video = fh->video;
struct vpfe_device *vpfe_dev = video->vpfe_dev;
- struct vpfe_pipeline *pipe = &video->pipe;
unsigned long size;
v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_buffer_queue_setup\n");
size = video->fmt.fmt.pix.sizeimage;
- if (vpfe_dev->video_limit) {
- while (size * *nbuffers > vpfe_dev->video_limit)
- (*nbuffers)--;
- }
- if (pipe->state == VPFE_PIPELINE_STREAM_CONTINUOUS) {
- if (*nbuffers < MIN_NUM_BUFFERS)
- *nbuffers = MIN_NUM_BUFFERS;
- }
+ if (vq->num_buffers + *nbuffers < 3)
+ *nbuffers = 3 - vq->num_buffers;
+
*nplanes = 1;
sizes[0] = size;
alloc_ctxs[0] = video->alloc_ctx;
--
2.1.4
--
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