提交 ce8daef3 编写于 作者: C Chris Wilson 提交者: Daniel Vetter

drm/i915: Remove dead i915_gem_evict_everything()

With UMS gone, we no longer use it during suspend. And with the last
user removed from the shrinker, we can remove the dead code.
Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
上级 c9c0f5ea
......@@ -3177,7 +3177,6 @@ int __must_check i915_gem_evict_something(struct drm_device *dev,
unsigned long end,
unsigned flags);
int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle);
int i915_gem_evict_everything(struct drm_device *dev);
/* belongs in i915_gem_gtt.h */
static inline void i915_gem_chipset_flush(struct drm_device *dev)
......
......@@ -237,48 +237,3 @@ int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle)
return 0;
}
/**
* i915_gem_evict_everything - Try to evict all objects
* @dev: Device to evict objects for
*
* This functions tries to evict all gem objects from all address spaces. Used
* by the shrinker as a last-ditch effort and for suspend, before releasing the
* backing storage of all unbound objects.
*/
int
i915_gem_evict_everything(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_address_space *vm, *v;
bool lists_empty = true;
int ret;
list_for_each_entry(vm, &dev_priv->vm_list, global_link) {
lists_empty = (list_empty(&vm->inactive_list) &&
list_empty(&vm->active_list));
if (!lists_empty)
lists_empty = false;
}
if (lists_empty)
return -ENOSPC;
trace_i915_gem_evict_everything(dev);
/* The gpu_idle will flush everything in the write domain to the
* active list. Then we must move everything off the active list
* with retire requests.
*/
ret = i915_gpu_idle(dev);
if (ret)
return ret;
i915_gem_retire_requests(dev);
/* Having flushed everything, unbind() should never raise an error */
list_for_each_entry_safe(vm, v, &dev_priv->vm_list, global_link)
WARN_ON(i915_gem_evict_vm(vm, false));
return 0;
}
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