V4L/DVB (6054): ivtv: specify some stream sizes in kB instead of MB

Some streams (PCM, VBI decoding) do not need that much memory, so specify
the allocated memory in kB instead of MB to limit memory usage. E.g. 1 MB
is overkill for the VBI decoding stream, 64 kB is enough.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c
index 2e632014c90d..fab5c51b1519 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -150,7 +150,7 @@ static void ivtv_stream_init(struct ivtv *itv, int type)
                 s->dma = ivtv_stream_info[type].dma;
         s->buf_size = itv->stream_buf_size[type];
         if (s->buf_size)
-                s->buffers = itv->options.megabytes[type] * 1024 * 1024 / s->buf_size;
+                s->buffers = (itv->options.kilobytes[type] * 1024 + s->buf_size - 1) / s->buf_size;
         spin_lock_init(&s->qlock);
         init_waitqueue_head(&s->waitq);
         s->id = -1;
@@ -192,7 +192,7 @@ static int ivtv_reg_dev(struct ivtv *itv, int type)
         /* User explicitly selected 0 buffers for these streams, so don't
            create them. */
         if (minor >= 0 && ivtv_stream_info[type].dma != PCI_DMA_NONE &&
-            itv->options.megabytes[type] == 0) {
+            itv->options.kilobytes[type] == 0) {
                 IVTV_INFO("Disabled %s device\n", ivtv_stream_info[type].name);
                 return 0;
         }
@@ -238,18 +238,18 @@ static int ivtv_reg_dev(struct ivtv *itv, int type)
 
         switch (vfl_type) {
         case VFL_TYPE_GRABBER:
-                IVTV_INFO("Registered device video%d for %s (%d MB)\n",
-                        s->v4l2dev->minor, s->name, itv->options.megabytes[type]);
+                IVTV_INFO("Registered device video%d for %s (%d kB)\n",
+                        s->v4l2dev->minor, s->name, itv->options.kilobytes[type]);
                 break;
         case VFL_TYPE_RADIO:
                 IVTV_INFO("Registered device radio%d for %s\n",
                         s->v4l2dev->minor - MINOR_VFL_TYPE_RADIO_MIN, s->name);
                 break;
         case VFL_TYPE_VBI:
-                if (itv->options.megabytes[type])
-                        IVTV_INFO("Registered device vbi%d for %s (%d MB)\n",
+                if (itv->options.kilobytes[type])
+                        IVTV_INFO("Registered device vbi%d for %s (%d kB)\n",
                                 s->v4l2dev->minor - MINOR_VFL_TYPE_VBI_MIN,
-                                s->name, itv->options.megabytes[type]);
+                                s->name, itv->options.kilobytes[type]);
                 else
                         IVTV_INFO("Registered device vbi%d for %s\n",
                                 s->v4l2dev->minor - MINOR_VFL_TYPE_VBI_MIN, s->name);