[Intel-gfx] [PATCH 1/9] drm/i915/bdw: Free PPGTT struct

[Imre Deak]

On Wed, 2014-02-19 at 22:05 -0800, Ben Widawsky wrote:
> GEN8 never freed the PPGTT struct. As GEN8 doesn't use full PPGTT, the
> leak is small and only found on a module reload. ie. I don't think this
> needs to go to stable.
> 
> Reported-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
> ---
>  drivers/gpu/drm/i915/i915_gem_gtt.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> index 69a88d4..e414d7e 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> @@ -328,6 +328,7 @@ static void gen8_ppgtt_free(struct i915_hw_ppgtt *ppgtt)
>  
>  	__free_pages(ppgtt->gen8_pt_pages, get_order(ppgtt->num_pt_pages << PAGE_SHIFT));
>  	__free_pages(ppgtt->pd_pages, get_order(ppgtt->num_pd_pages << PAGE_SHIFT));
> +	kfree(ppgtt);

On error we'd also free ppgtt in create_vm_for_ctx().

>  }
>  
>  static void gen8_ppgtt_unmap_pages(struct i915_hw_ppgtt *ppgtt)