drm/i915: NOMEM->NOSPC

To differentiate between encountering an out-of-memory error with running
out of space in the aperture, use ENOSPC for the later.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index cf5dc08..c0ae6bb 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2005,7 +2005,7 @@ i915_gem_evict_something(struct drm_device *dev)
                /* If we didn't do any of the above, there's nothing to be done
                 * and we just can't fit it in.
                 */
-               return -ENOMEM;
+               return -ENOSPC;
        }
        return ret;
 }
@@ -2020,7 +2020,7 @@ i915_gem_evict_everything(struct drm_device *dev)
                if (ret != 0)
                        break;
        }
-       if (ret == -ENOMEM)
+       if (ret == -ENOSPC)
                return 0;
        return ret;
 }
@@ -2229,7 +2229,7 @@ try_again:
                loff_t offset;
 
                if (avail == 0)
-                       return -ENOMEM;
+                       return -ENOSPC;
 
                for (i = dev_priv->fence_reg_start;
                     i < dev_priv->num_fence_regs; i++) {
@@ -2378,7 +2378,7 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
                spin_unlock(&dev_priv->mm.active_list_lock);
                if (lists_empty) {
                        DRM_ERROR("GTT full, but LRU list empty\n");
-                       return -ENOMEM;
+                       return -ENOSPC;
                }
 
                ret = i915_gem_evict_something(dev);
@@ -3349,7 +3349,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
                        break;
 
                /* error other than GTT full, or we've already tried again */
-               if (ret != -ENOMEM || pin_tries >= 1) {
+               if (ret != -ENOSPC || pin_tries >= 1) {
                        if (ret != -ERESTARTSYS)
                                DRM_ERROR("Failed to pin buffers %d\n", ret);
                        goto err;