[Intel-gfx] [PATCH] i915: add page flipping ioctl

Jesse Barnes jbarnes at virtuousgeek.org
Wed Feb 25 20:43:12 CET 2009

On Friday, February 20, 2009 2:06:33 am Chris Wilson wrote:
> On Fri, 2009-02-20 at 13:46 +0800, Zou, Nanhai wrote:
> > >+struct drm_i915_gem_page_flip {
> > >+	/** Handle of new front buffer */
> >
> >      Should this be handle of new front buffer or handle of the execbuf?
> I can't see how this can be an execbuf here. Do you mind elaborating?
> Anyway this reminded me that we want a buffer offset along with the
> handle.

Yeah I'm not sure I understand that comment either; but an offset is easy 
enough to add.  I suppose it should be an offset into the object, in case you 
want to flip between addresses within a large object?

Jesse Barnes, Intel Open Source Technology Center

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