On 2015年11月17日 00:25, Daniel Vetter wrote:
On Tue, Nov 10, 2015 at 05:11:57PM +0800, Mark Yao wrote:
>We want to display a buffer allocated by other driver, need import
>the buffer to gem.
Does this work with some open-source driver/userspace or is this for the
proprietary stack only? A bit a grey area I guess, but if it's only for
the proprietary stack I think it shouldn't land in upstream - making sure
it works with open-source (e.g. Xorg prime) first would be good.
-Daniel
Hi Daniel
It works on open-source with following stack:
ion -> dma_fd -> prime fd to handle -> drm -> vop
ion is the android ION memory allocator, its driver at
upstream-kernel/drivers/staging/android/ion.
We have some application use ion on android, and want to port to
Xorg side.
Thanks
--
Ｍark Yao
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