A simple alternative to GEM

2013-09-27 Thread dm.leontiev7
Hello I'm new in linux dri development, so please please forgive me if I dont understand something. I'm working on my opensource gpu project. I've already implemented software simulator, and implementation in verilog is 40% complete. Right now I've only 2 problems: LLVM needs to be patched

Re: A simple alternative to GEM

2013-09-27 Thread Christian König
Hi Dmitry, I can't speak for the Intel hardware, but you have a very basic misunderstanding of how the AMD GPU MMU works. The MMU just hides the real address of the buffer, so that switching between different clients just becomes switching between different page tables. But the memory for

Re: A simple alternative to GEM

2013-09-27 Thread Rob Clark
On Fri, Sep 27, 2013 at 3:08 PM, Christian König deathsim...@vodafone.de wrote: A different story is backing buffers with anonymous system memory. I was told that Jerome just recently did a very interesting talk at XDC about it (didn't have time to look at it myself). note that this requires