On Wed, 14 Dec 2011 13:57:40 +0100, Daniel Vetter <daniel.vet...@ffwll.ch>
wrote:
> v2: Don't try to enable ppgtt on pre-snb.
>
> Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
> Reviewed-by: Ben Widawsky <b...@bwidawsk.net>
> ---
> +void i915_gem_init_ppgtt(struct drm_device *dev)
> +{
> + drm_i915_private_t *dev_priv = dev->dev_private;
> + uint32_t pd_offset;
> + struct intel_ring_buffer *ring;
> + int i;
> +
> + if (!HAS_ALIASING_PPGTT(dev))
> + return;
I still think it is safer to use
if (dev_priv->mm.aliasing_ppgtt == NULL)
return;
here
And pretty please can I module parameter to enable/disable ppgtt on
boot.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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