diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2007-08-18 20:48:42 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-10-10 03:05:37 +0200 |
| commit | e17a06badaedba89fad989eed409661c89a22e04 (patch) | |
| tree | f24043bfa94678b8b0d09aa906ecab1974c365d0 | |
| parent | V4L/DVB (6049): ivtv: fix VBI reinsertion decoding (diff) | |
| download | linux-e17a06badaedba89fad989eed409661c89a22e04.tar.xz linux-e17a06badaedba89fad989eed409661c89a22e04.zip | |
V4L/DVB (6050): ivtv: retry/timer improvements
- Give up frame after three retries.
- When the last capture/decode ends, make sure to delete the dma_timer.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-irq.c | 4 | ||||
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-streams.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c index 7272f1a71dd9..d68853fd60a3 100644 --- a/drivers/media/video/ivtv/ivtv-irq.c +++ b/drivers/media/video/ivtv/ivtv-irq.c @@ -494,7 +494,9 @@ static void ivtv_irq_dma_read(struct ivtv *itv) s->sg_processed, s->sg_processing_size, itv->dma_retries); write_reg(read_reg(IVTV_REG_DMASTATUS) & 3, IVTV_REG_DMASTATUS); if (itv->dma_retries == 3) { + /* Too many retries, give up on this frame */ itv->dma_retries = 0; + s->sg_processed = s->sg_processing_size; } else { /* Retry, starting with the first xfer segment. @@ -554,7 +556,9 @@ static void ivtv_irq_enc_dma_complete(struct ivtv *itv) s->dma_offset, s->sg_processed, s->sg_processing_size, itv->dma_retries); write_reg(read_reg(IVTV_REG_DMASTATUS) & 3, IVTV_REG_DMASTATUS); if (itv->dma_retries == 3) { + /* Too many retries, give up on this frame */ itv->dma_retries = 0; + s->sg_processed = s->sg_processing_size; } else { /* Retry, starting with the first xfer segment. diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c index 4272fbc0bc8b..2e632014c90d 100644 --- a/drivers/media/video/ivtv/ivtv-streams.c +++ b/drivers/media/video/ivtv/ivtv-streams.c @@ -816,6 +816,7 @@ int ivtv_stop_v4l2_encode_stream(struct ivtv_stream *s, int gop_end) /* Set the following Interrupt mask bits for capture */ ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_CAPTURE); + del_timer(&itv->dma_timer); /* event notification (off) */ if (test_and_clear_bit(IVTV_F_I_DIG_RST, &itv->i_flags)) { @@ -873,6 +874,7 @@ int ivtv_stop_v4l2_decode_stream(struct ivtv_stream *s, int flags, u64 pts) ivtv_vapi(itv, CX2341X_DEC_SET_EVENT_NOTIFICATION, 4, 0, 0, IVTV_IRQ_DEC_AUD_MODE_CHG, -1); ivtv_set_irq_mask(itv, IVTV_IRQ_MASK_DECODE); + del_timer(&itv->dma_timer); clear_bit(IVTV_F_S_NEEDS_DATA, &s->s_flags); clear_bit(IVTV_F_S_STREAMING, &s->s_flags); |