Re: CMA usage in driver

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat, Jan 2, 2016 at 11:23 PM, Ran Shalit <ranshalit@xxxxxxxxx> wrote:
> Hello,
>
> I made some reading on CMA usage with device driver, nut not quite sure yet.
> Do we need to call dma_declare_contiguous or does it get called from
> within videobuf2 ?
>
> Is there any example how to use CMA memory in v4l2 driver ?
>

Hi,

just to make the above question simpler:
from a v4l2 driver perspective, when need large contigious dma
allocations are required,
what should matter, and do we need to use CMA and how ?

Thank you for the time,
Ran
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux