[Intel-gfx] [PATCH 3/3] drm/i915: Allow contexts to be specified for unsupported rings

[Chris Wilson]

On Tue, Jun 25, 2013 at 06:47:02PM +0300, Mika Kuoppala wrote:
> From: Chris Wilson <chris at chris-wilson.co.uk>
> 
> As our contexts are more general than the logical contexts supported by
> the hardware, for instance they allow per context hangcheck tracking, it
> is beneficial to group tasks across rings belonging to the same context.
> Context switching is already a no-op for unsupported rings, we just
> suffered from a little too overzealous parameter checking on entry - now
> we just check that the context is valid.

We have to drop this temporarily as the validation was being provided by
i915_gem_context_get_hang_stats(), which is now notably absent.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre