drm/i915: Remove i915_gem_evict_inactive()

This was only used by one external caller who would just be as happy
with evict-everything, so perform the replacement and make the function
private.

In the process we note that unbinding the inactive list should not fail,
and make it a warning instead.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c144013..57f60fa 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1370,10 +1370,7 @@ void i915_gem_init_global_gtt(struct drm_device *dev,
 /* i915_gem_evict.c */
 int __must_check i915_gem_evict_something(struct drm_device *dev, int min_size,
                                          unsigned alignment, bool mappable);
-int __must_check i915_gem_evict_everything(struct drm_device *dev,
-                                          bool purgeable_only);
-int __must_check i915_gem_evict_inactive(struct drm_device *dev,
-                                        bool purgeable_only);
+int i915_gem_evict_everything(struct drm_device *dev, bool purgeable_only);
 
 /* i915_gem_tiling.c */
 void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ad2a692..2fc7c55 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3455,13 +3455,8 @@ i915_gem_idle(struct drm_device *dev)
        }
 
        /* Under UMS, be paranoid and evict. */
-       if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
-               ret = i915_gem_evict_inactive(dev, false);
-               if (ret) {
-                       mutex_unlock(&dev->struct_mutex);
-                       return ret;
-               }
-       }
+       if (!drm_core_check_feature(dev, DRIVER_MODESET))
+               i915_gem_evict_everything(dev, false);
 
        i915_gem_reset_fences(dev);
 

diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 21a8271..399a3a8 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -166,8 +166,9 @@ int
 i915_gem_evict_everything(struct drm_device *dev, bool purgeable_only)
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
-       int ret;
+       struct drm_i915_gem_object *obj, *next;
        bool lists_empty;
+       int ret;
 
        lists_empty = (list_empty(&dev_priv->mm.inactive_list) &&
                       list_empty(&dev_priv->mm.flushing_list) &&
@@ -184,24 +185,14 @@ i915_gem_evict_everything(struct drm_device *dev, bool purgeable_only)
 
        BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
 
-       return i915_gem_evict_inactive(dev, purgeable_only);
-}
-
-/** Unbinds all inactive objects. */
-int
-i915_gem_evict_inactive(struct drm_device *dev, bool purgeable_only)
-{
-       drm_i915_private_t *dev_priv = dev->dev_private;
-       struct drm_i915_gem_object *obj, *next;
-
+       /* Having flushed everything, unbind() should never raise an error */
        list_for_each_entry_safe(obj, next,
                                 &dev_priv->mm.inactive_list, mm_list) {
                if (!purgeable_only || obj->madv != I915_MADV_WILLNEED) {
-                       int ret = i915_gem_object_unbind(obj);
-                       if (ret)
-                               return ret;
+                       if (obj->pin_count == 0)
+                               WARN_ON(i915_gem_object_unbind(obj));
                }
        }
 
-       return 0;
+       return ret;
 }