>Richard Röjfors wrote:
>On 08/04/2010 12:34 PM, Pawel Osciak wrote:
>>> Richard Röjfors wrote:
>>> On 08/04/2010 11:50 AM, Pawel Osciak wrote:
>
> How do you propose to allocate the buffers? They need to be contiguous
> and using uncached memory gave really bad performance.
On 08/04/2010 12:34 PM, Pawel Osciak wrote:
Richard Röjfors wrote:
On 08/04/2010 11:50 AM, Pawel Osciak wrote:
How do you propose to allocate the buffers? They need to be contiguous
and using uncached memory gave really bad performance.
829440 bytes is a quite a lot and one can't reliably de
On 08/04/2010 12:34 PM, Pawel Osciak wrote:
Richard Röjfors wrote:
On 08/04/2010 11:50 AM, Pawel Osciak wrote:
How do you propose to allocate the buffers? They need to be contiguous
and using uncached memory gave really bad performance.
829440 bytes is a quite a lot and one can't reliably de
>Richard Röjfors wrote:
>On 08/04/2010 11:50 AM, Pawel Osciak wrote:
>>>
>>> How do you propose to allocate the buffers? They need to be contiguous
>>> and using uncached memory gave really bad performance.
>>
>> 829440 bytes is a quite a lot and one can't reliably depend on kmalloc
>> to be able
On 08/04/2010 11:50 AM, Pawel Osciak wrote:
How do you propose to allocate the buffers? They need to be contiguous
and using uncached memory gave really bad performance.
829440 bytes is a quite a lot and one can't reliably depend on kmalloc
to be able to allocate such big chunks of contiguous
> Richard Röjfors wrote:
>On 08/04/2010 09:55 AM, Pawel Osciak wrote:
>> Hi Richard,
>>
>>> Richard Röjfors wrote:
>>> This patch adds another init functions in the videobuf-dma-contig
>>> which is named _cached in the end. It creates a buffer factory
>>> which allocates buffers using kmalloc and
On 08/04/2010 09:55 AM, Pawel Osciak wrote:
Hi Richard,
Richard Röjfors wrote:
This patch adds another init functions in the videobuf-dma-contig
which is named _cached in the end. It creates a buffer factory
which allocates buffers using kmalloc and the buffers are cached.
Before I review th
Hi Richard,
>Richard Röjfors wrote:
>This patch adds another init functions in the videobuf-dma-contig
>which is named _cached in the end. It creates a buffer factory
>which allocates buffers using kmalloc and the buffers are cached.
>
Before I review this in more detail, could you elaborate more
This patch adds another init functions in the videobuf-dma-contig
which is named _cached in the end. It creates a buffer factory
which allocates buffers using kmalloc and the buffers are cached.
A sync callback is added to sync the buffers.
Most of the code is reused from the uncached version a b
