DMA contig memory resource is very limited and precious, also
accessing to it from CPU is very slow on some platform.
For some cases(such as the comming face detection driver), DMA Streaming
buffer is enough, so introduce VIDEOBUF2_PAGE to allocate continuous
physical memory but letting video devi
DMA contig memory resource is very limited and precious, also
accessing to it from CPU is very slow on some platform.
For some cases(such as the comming face detection driver), DMA Streaming
buffer is enough, so introduce VIDEOBUF2_PAGE to allocate continuous
physical memory but letting video devi
Hi Ming,
On Fri, Dec 2, 2011 at 3:12 AM, Ming Lei wrote:
> DMA contig memory resource is very limited and precious, also
> accessing to it from CPU is very slow on some platform.
>
> For some cases(such as the comming face detection driver), DMA Streaming
> buffer is enough, so introduce VIDEOBUF
Hi,
On Sat, Dec 3, 2011 at 12:35 AM, Aguirre, Sergio wrote:
> Hi Ming,
>> diff --git a/include/media/videobuf2-page.h b/include/media/videobuf2-page.h
>> new file mode 100644
>> index 000..29b3e20
>> --- /dev/null
>> +++ b/include/media/videobuf2-page.h
>> @@ -0,0 +1,20 @@
>> +/*
>> + * video
