[Intel-gfx] [PATCH 10/16] drm/i915: Handle stolen objects for pread

Chris Wilson chris at chris-wilson.co.uk
Sat Dec 1 00:46:13 CET 2012


On Fri, 30 Nov 2012 23:33:43 +0100, Daniel Vetter <daniel at ffwll.ch> wrote:
> On Thu, Nov 15, 2012 at 11:32:25AM +0000, Chris Wilson wrote:
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> 
> Tbh I don't see any reason for handling pwrite/pread support for stolen
> mem backed objects. I'll leave these two patches here (plus the prep one
> to differentiate between stolen and dma_bufs) for now until a user pops

The problem is that constitutes a change in ABI, so I was trying to make
sure stolen buffer objects were first class from day one. The only
saving grace is that userspace can only access the stolen object for
fbcon, but it is still available...
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre



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