[Intel-gfx] [PATCH 02/11] drm/i915: blow away userspace mappings before fence change

[Chris Wilson]

On Fri, 15 Jan 2010 13:24:09 +0100, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> This aligns it with the other user of i915_gem_clear_fence_reg,
> which blows away the mapping before changing the fence reg.
> 
> Only affects userspace if it races against itself when changing
> tiling parameters, i.e. behaviour is undefined, anyway.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: stable at kernel.org
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-ickle

-- 
Chris Wilson, Intel Open Source Technology Centre