[Intel-gfx] [PATCH v2 4/4] drm/i915: Kill i915_gem_execbuffer_wait_for_flips()

[Daniel Vetter]

On Tue, Nov 27, 2012 at 08:34:58PM +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>
Queued for -next (with acks from Jesse and Kristian smashed on top),
thanks for the patch. Also dropped the obj->pending_flips removal hunk,
since that's still required.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch