Re: [PATCH 13/29] drm/i915: clear domains for all objects on reset

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On Wed, Jul 31, 2013 at 05:00:06PM -0700, Ben Widawsky wrote:
> Simply iterating over 1 inactive list is insufficient for the way we now
> track inactive (1 list per address space). We could alternatively do
> this with bound + unbound lists, and an inactive check. To me, this way
> is a bit easier to understand.
> 
> Signed-off-by: Ben Widawsky <ben@xxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/i915_gem.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index b4c35f0..8ce3545 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -2282,7 +2282,7 @@ void i915_gem_restore_fences(struct drm_device *dev)
>  void i915_gem_reset(struct drm_device *dev)
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> -	struct i915_address_space *vm = &dev_priv->gtt.base;
> +	struct i915_address_space *vm;
>  	struct drm_i915_gem_object *obj;
>  	struct intel_ring_buffer *ring;
>  	int i;
> @@ -2293,8 +2293,9 @@ void i915_gem_reset(struct drm_device *dev)
>  	/* Move everything out of the GPU domains to ensure we do any
>  	 * necessary invalidation upon reuse.
>  	 */
> -	list_for_each_entry(obj, &vm->inactive_list, mm_list)
> -		obj->base.read_domains &= ~I915_GEM_GPU_DOMAINS;
> +	list_for_each_entry(vm, &dev_priv->vm_list, global_link)
> +		list_for_each_entry(obj, &vm->inactive_list, mm_list)
> +			obj->base.read_domains &= ~I915_GEM_GPU_DOMAINS;

This code is dead. Just remove it rather than port it to vma.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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