Messages in this thread | | | Date | Tue, 17 Nov 2015 16:01:21 +0800 | From | Mark yao <> | Subject | Re: [RESEND PATCH] drm/rockchip: import dma_buf to gem |
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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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