diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-15 11:31:54 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-15 11:31:54 +1100 |
| commit | 6dc6472581f693b5fc95aebedf67b4960fb85cf0 (patch) | |
| tree | 06a5a9a08519950575505273eabced331ed51405 /drivers/media/video/ivtv/ivtv-irq.c | |
| parent | ee673eaa72d8d185012b1027a05e25aba18c267f (diff) | |
| parent | 8acd3a60bcca17c6d89c73cee3ad6057eb83ba1e (diff) | |
Merge commit 'origin'
Manual fixup of conflicts on:
arch/powerpc/include/asm/dcr-regs.h
drivers/net/ibm_newemac/core.h
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-irq.c')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-irq.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c index 34f3ab82785..f5d00ec5da7 100644 --- a/drivers/media/video/ivtv/ivtv-irq.c +++ b/drivers/media/video/ivtv/ivtv-irq.c @@ -753,7 +753,7 @@ static void ivtv_irq_vsync(struct ivtv *itv) */ unsigned int frame = read_reg(0x28c0) & 1; struct yuv_playback_info *yi = &itv->yuv_info; - int last_dma_frame = atomic_read(&itv->yuv_info.next_dma_frame); + int last_dma_frame = atomic_read(&yi->next_dma_frame); struct yuv_frame_info *f = &yi->new_frame_info[last_dma_frame]; if (0) IVTV_DEBUG_IRQ("DEC VSYNC\n"); @@ -772,6 +772,7 @@ static void ivtv_irq_vsync(struct ivtv *itv) next_dma_frame = (next_dma_frame + 1) % IVTV_YUV_BUFFERS; atomic_set(&yi->next_dma_frame, next_dma_frame); yi->fields_lapsed = -1; + yi->running = 1; } } } @@ -804,9 +805,11 @@ static void ivtv_irq_vsync(struct ivtv *itv) } /* Check if we need to update the yuv registers */ - if ((yi->yuv_forced_update || f->update) && last_dma_frame != -1) { + if (yi->running && (yi->yuv_forced_update || f->update)) { if (!f->update) { - last_dma_frame = (u8)(last_dma_frame - 1) % IVTV_YUV_BUFFERS; + last_dma_frame = + (u8)(atomic_read(&yi->next_dma_frame) - + 1) % IVTV_YUV_BUFFERS; f = &yi->new_frame_info[last_dma_frame]; } |