[Intel-gfx] [PATCH v2 3b/3] drm/i915: Kill i915_gem_execbuffer_wait_for_flips()

[Chris Wilson]

On Thu,  1 Nov 2012 20:06:03 +0200, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> As per Chris Wilson's suggestion make
> i915_gem_execbuffer_wait_for_flips() go away.
> 
> This was used to stall the GPU ring while there are pending
> page flips involving the relevant BO. Ie. while the BO is still
> being scanned out by the display controller.
> 
> The recommended alternative is to use the page flip events to
> wait for the page flips to fully complete before reusing the BO
> of the old front buffer. Or use more buffers.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>

Needs an ack from either Jesse or Kristian.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre