[Intel-gfx] [PATCH 05/11] drm/i915/context: Preliminary context support
eugeni at dodonov.net
Tue Feb 14 23:49:00 CET 2012
On Tue, Feb 14, 2012 at 19:09, Ben Widawsky <ben at bwidawsk.net> wrote:
> From: Ben Widawsky <bwidawsk at gmail.com>
> Create all the necessary data structures and hooks to support a context
> API for userspace. Also plumb in the calls from the i915 core into the
> context subsystem. There is a new file i915_context.c which will hold a
> majority of the context related code. This file has nulled functions
> that get called by the proper part of the i915 driver. This of course
> requires a Makefile addition, as well as calls to the new nulled
> functions from the other partsd of the driver (i915_dma.c).
> With that, there are 2 new ioctls defined , one for creating a context,
> and one for destroying a context. These are defined in the necessary
> places, and again have null functionality
> It's likely that a third ioctl will be required to associate the context
> with an execbuf (likely execbuf3). Since that part is mostly trivial,
> and will surely be contentious, it's ignored for now.
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov at intel.com>
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