[Intel-gfx] [PATCH 2/2] drm/i915: ringbuffer: Add a helper function to update ring buffer space

[Chris Wilson]

On Tue, 24 Aug 2010 18:27:33 +0800, Yuanhan Liu <yuanhan.liu at intel.com> wrote:
> There are several places will calc the space of ring buffer. To make it clear
> and simple, define a helper function called intel_ring_update_space to do this.
> 
> Signed-off-by: Yuanhan Liu <yuanhan.liu at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>

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Chris Wilson, Intel Open Source Technology Centre