[RESEND PATCH] drm/rockchip: import dma_buf to gem
mark.yao at rock-chips.com
Tue Nov 17 00:01:21 PST 2015
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.
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
We have some application use ion on android, and want to port to
More information about the linux-arm-kernel