Re: [PATCH 04/11] drm/i915: Propagate error from unbinding an unfenceable object.

From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 04/11] drm/i915: Propagate error from unbinding an unfenceable object.
Date: Thu, 27 May 2010 09:05:04 -0700	[thread overview]
Message-ID: <20100527090504.0afbb5a1@virtuousgeek.org> (raw)
In-Reply-To: <1274962702-6530-5-git-send-email-chris@chris-wilson.co.uk>

On Thu, 27 May 2010 13:18:15 +0100
Chris Wilson <chris@chris-wilson.co.uk> wrote:

> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
> ---
>  drivers/gpu/drm/i915/i915_gem.c |   10 +++++++---
>  1 files changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 1c65f0b..6425c2a 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -3307,9 +3307,13 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
>  	             obj_priv->tiling_mode != I915_TILING_NONE;
>  
>  	/* Check fence reg constraints and rebind if necessary */
> -	if (need_fence && !i915_gem_object_fence_offset_ok(obj,
> -	    obj_priv->tiling_mode))
> -		i915_gem_object_unbind(obj);
> +	if (need_fence &&
> +	    !i915_gem_object_fence_offset_ok(obj,
> +					     obj_priv->tiling_mode)) {
> +		ret = i915_gem_object_unbind(obj);
> +		if (ret)
> +			return ret;
> +	}
>  
>  	/* Choose the GTT offset for our buffer and put it there. */
>  	ret = i915_gem_object_pin(obj, (uint32_t) entry->alignment);

Looks ok to me.  Out of curiosity, are you seeing errors here on unbind
with some loads?

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>

-- 
Jesse Barnes, Intel Open Source Technology Center