drm/i915: Update shrinker drm_i915_private naming convention

Switch over from the non-descript dev_priv locals to i915.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171123115338.10270-2-chris@chris-wilson.co.uk
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

drivers/gpu/drm/i915/i915_drv.h

@@ -3911,7 +3911,7 @@ i915_gem_object_create_internal(struct drm_i915_private *dev_priv,
 				phys_addr_t size);
 
 /* i915_gem_shrinker.c */
-unsigned long i915_gem_shrink(struct drm_i915_private *dev_priv,
+unsigned long i915_gem_shrink(struct drm_i915_private *i915,
 			      unsigned long target,
 			      unsigned long *nr_scanned,
 			      unsigned flags);
@@ -3920,9 +3920,9 @@ unsigned long i915_gem_shrink(struct drm_i915_private *dev_priv,
 #define I915_SHRINK_BOUND 0x4
 #define I915_SHRINK_ACTIVE 0x8
 #define I915_SHRINK_VMAPS 0x10
-unsigned long i915_gem_shrink_all(struct drm_i915_private *dev_priv);
-void i915_gem_shrinker_register(struct drm_i915_private *dev_priv);
-void i915_gem_shrinker_unregister(struct drm_i915_private *dev_priv);
+unsigned long i915_gem_shrink_all(struct drm_i915_private *i915);
+void i915_gem_shrinker_register(struct drm_i915_private *i915);
+void i915_gem_shrinker_unregister(struct drm_i915_private *i915);
 
 
 /* i915_gem_tiling.c */

drivers/gpu/drm/i915/i915_gem_shrinker.c

@@ -35,9 +35,9 @@
 #include "i915_drv.h"
 #include "i915_trace.h"
 
-static bool shrinker_lock(struct drm_i915_private *dev_priv, bool *unlock)
+static bool shrinker_lock(struct drm_i915_private *i915, bool *unlock)
 {
-	switch (mutex_trylock_recursive(&dev_priv->drm.struct_mutex)) {
+	switch (mutex_trylock_recursive(&i915->drm.struct_mutex)) {
 	case MUTEX_TRYLOCK_RECURSIVE:
 		*unlock = false;
 		return true;
@@ -47,7 +47,7 @@ static bool shrinker_lock(struct drm_i915_private *dev_priv, bool *unlock)
 		preempt_disable();
 		do {
 			cpu_relax();
-			if (mutex_trylock(&dev_priv->drm.struct_mutex)) {
+			if (mutex_trylock(&i915->drm.struct_mutex)) {
 				*unlock = true;
 				break;
 			}
@@ -63,12 +63,12 @@ static bool shrinker_lock(struct drm_i915_private *dev_priv, bool *unlock)
 	BUG();
 }
 
-static void shrinker_unlock(struct drm_i915_private *dev_priv, bool unlock)
+static void shrinker_unlock(struct drm_i915_private *i915, bool unlock)
 {
 	if (!unlock)
 		return;
 
-	mutex_unlock(&dev_priv->drm.struct_mutex);
+	mutex_unlock(&i915->drm.struct_mutex);
 }
 
 static bool swap_available(void)
@@ -118,7 +118,7 @@ static bool unsafe_drop_pages(struct drm_i915_gem_object *obj)
 
 /**
  * i915_gem_shrink - Shrink buffer object caches
- * @dev_priv: i915 device
+ * @i915: i915 device
  * @target: amount of memory to make available, in pages
  * @nr_scanned: optional output for number of pages scanned (incremental)
  * @flags: control flags for selecting cache types
@@ -142,7 +142,7 @@ static bool unsafe_drop_pages(struct drm_i915_gem_object *obj)
  * The number of pages of backing storage actually released.
  */
 unsigned long
-i915_gem_shrink(struct drm_i915_private *dev_priv,
+i915_gem_shrink(struct drm_i915_private *i915,
 		unsigned long target,
 		unsigned long *nr_scanned,
 		unsigned flags)
@@ -151,15 +151,15 @@ i915_gem_shrink(struct drm_i915_private *dev_priv,
 		struct list_head *list;
 		unsigned int bit;
 	} phases[] = {
-		{ &dev_priv->mm.unbound_list, I915_SHRINK_UNBOUND },
-		{ &dev_priv->mm.bound_list, I915_SHRINK_BOUND },
+		{ &i915->mm.unbound_list, I915_SHRINK_UNBOUND },
+		{ &i915->mm.bound_list, I915_SHRINK_BOUND },
 		{ NULL, 0 },
 	}, *phase;
 	unsigned long count = 0;
 	unsigned long scanned = 0;
 	bool unlock;
 
-	if (!shrinker_lock(dev_priv, &unlock))
+	if (!shrinker_lock(i915, &unlock))
 		return 0;
 
 	/*
@@ -172,10 +172,10 @@ i915_gem_shrink(struct drm_i915_private *dev_priv,
 	 * we will free as much as we can and hope to get a second chance.
 	 */
 	if (flags & I915_SHRINK_ACTIVE)
-		i915_gem_wait_for_idle(dev_priv, I915_WAIT_LOCKED);
+		i915_gem_wait_for_idle(i915, I915_WAIT_LOCKED);
 
-	trace_i915_gem_shrink(dev_priv, target, flags);
-	i915_gem_retire_requests(dev_priv);
+	trace_i915_gem_shrink(i915, target, flags);
+	i915_gem_retire_requests(i915);
 
 	/*
 	 * Unbinding of objects will require HW access; Let us not wake the
@@ -183,7 +183,7 @@ i915_gem_shrink(struct drm_i915_private *dev_priv,
 	 * we will force the wake during oom-notifier.
 	 */
 	if ((flags & I915_SHRINK_BOUND) &&
-	    !intel_runtime_pm_get_if_in_use(dev_priv))
+	    !intel_runtime_pm_get_if_in_use(i915))
 		flags &= ~I915_SHRINK_BOUND;
 
 	/*
@@ -221,7 +221,7 @@ i915_gem_shrink(struct drm_i915_private *dev_priv,
 		 * to be able to shrink their pages, so they remain on
 		 * the unbound/bound list until actually freed.
 		 */
-		spin_lock(&dev_priv->mm.obj_lock);
+		spin_lock(&i915->mm.obj_lock);
 		while (count < target &&
 		       (obj = list_first_entry_or_null(phase->list,
 						       typeof(*obj),
@@ -244,7 +244,7 @@ i915_gem_shrink(struct drm_i915_private *dev_priv,
 			if (!can_release_pages(obj))
 				continue;
 
-			spin_unlock(&dev_priv->mm.obj_lock);
+			spin_unlock(&i915->mm.obj_lock);
 
 			if (unsafe_drop_pages(obj)) {
 				/* May arrive from get_pages on another bo */
@@ -258,18 +258,18 @@ i915_gem_shrink(struct drm_i915_private *dev_priv,
 			}
 			scanned += obj->base.size >> PAGE_SHIFT;
 
-			spin_lock(&dev_priv->mm.obj_lock);
+			spin_lock(&i915->mm.obj_lock);
 		}
 		list_splice_tail(&still_in_list, phase->list);
-		spin_unlock(&dev_priv->mm.obj_lock);
+		spin_unlock(&i915->mm.obj_lock);
 	}
 
 	if (flags & I915_SHRINK_BOUND)
-		intel_runtime_pm_put(dev_priv);
+		intel_runtime_pm_put(i915);
 
-	i915_gem_retire_requests(dev_priv);
+	i915_gem_retire_requests(i915);
 
-	shrinker_unlock(dev_priv, unlock);
+	shrinker_unlock(i915, unlock);
 
 	if (nr_scanned)
 		*nr_scanned += scanned;
@@ -278,7 +278,7 @@ i915_gem_shrink(struct drm_i915_private *dev_priv,
 
 /**
  * i915_gem_shrink_all - Shrink buffer object caches completely
- * @dev_priv: i915 device
+ * @i915: i915 device
  *
  * This is a simple wraper around i915_gem_shrink() to aggressively shrink all
  * caches completely. It also first waits for and retires all outstanding
@@ -290,16 +290,16 @@ i915_gem_shrink(struct drm_i915_private *dev_priv,
  * Returns:
  * The number of pages of backing storage actually released.
  */
-unsigned long i915_gem_shrink_all(struct drm_i915_private *dev_priv)
+unsigned long i915_gem_shrink_all(struct drm_i915_private *i915)
 {
 	unsigned long freed;
 
-	intel_runtime_pm_get(dev_priv);
-	freed = i915_gem_shrink(dev_priv, -1UL, NULL,
+	intel_runtime_pm_get(i915);
+	freed = i915_gem_shrink(i915, -1UL, NULL,
 				I915_SHRINK_BOUND |
 				I915_SHRINK_UNBOUND |
 				I915_SHRINK_ACTIVE);
-	intel_runtime_pm_put(dev_priv);
+	intel_runtime_pm_put(i915);
 
 	return freed;
 }
@@ -347,53 +347,53 @@ i915_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc)
 static unsigned long
 i915_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc)
 {
-	struct drm_i915_private *dev_priv =
+	struct drm_i915_private *i915 =
 		container_of(shrinker, struct drm_i915_private, mm.shrinker);
 	unsigned long freed;
 	bool unlock;
 
 	sc->nr_scanned = 0;
 
-	if (!shrinker_lock(dev_priv, &unlock))
+	if (!shrinker_lock(i915, &unlock))
 		return SHRINK_STOP;
 
-	freed = i915_gem_shrink(dev_priv,
+	freed = i915_gem_shrink(i915,
 				sc->nr_to_scan,
 				&sc->nr_scanned,
 				I915_SHRINK_BOUND |
 				I915_SHRINK_UNBOUND |
 				I915_SHRINK_PURGEABLE);
 	if (freed < sc->nr_to_scan)
-		freed += i915_gem_shrink(dev_priv,
+		freed += i915_gem_shrink(i915,
 					 sc->nr_to_scan - sc->nr_scanned,
 					 &sc->nr_scanned,
 					 I915_SHRINK_BOUND |
 					 I915_SHRINK_UNBOUND);
 	if (freed < sc->nr_to_scan && current_is_kswapd()) {
-		intel_runtime_pm_get(dev_priv);
-		freed += i915_gem_shrink(dev_priv,
+		intel_runtime_pm_get(i915);
+		freed += i915_gem_shrink(i915,
 					 sc->nr_to_scan - sc->nr_scanned,
 					 &sc->nr_scanned,
 					 I915_SHRINK_ACTIVE |
 					 I915_SHRINK_BOUND |
 					 I915_SHRINK_UNBOUND);
-		intel_runtime_pm_put(dev_priv);
+		intel_runtime_pm_put(i915);
 	}
 
-	shrinker_unlock(dev_priv, unlock);
+	shrinker_unlock(i915, unlock);
 
 	return sc->nr_scanned ? freed : SHRINK_STOP;
 }
 
 static bool
-shrinker_lock_uninterruptible(struct drm_i915_private *dev_priv, bool *unlock,
+shrinker_lock_uninterruptible(struct drm_i915_private *i915, bool *unlock,
 			      int timeout_ms)
 {
 	unsigned long timeout = jiffies + msecs_to_jiffies_timeout(timeout_ms);
 
 	do {
-		if (i915_gem_wait_for_idle(dev_priv, 0) == 0 &&
-		    shrinker_lock(dev_priv, unlock))
+		if (i915_gem_wait_for_idle(i915, 0) == 0 &&
+		    shrinker_lock(i915, unlock))
 			break;
 
 		schedule_timeout_killable(1);
@@ -412,32 +412,32 @@ shrinker_lock_uninterruptible(struct drm_i915_private *dev_priv, bool *unlock,
 static int
 i915_gem_shrinker_oom(struct notifier_block *nb, unsigned long event, void *ptr)
 {
-	struct drm_i915_private *dev_priv =
+	struct drm_i915_private *i915 =
 		container_of(nb, struct drm_i915_private, mm.oom_notifier);
 	struct drm_i915_gem_object *obj;
 	unsigned long unevictable, bound, unbound, freed_pages;
 
-	freed_pages = i915_gem_shrink_all(dev_priv);
+	freed_pages = i915_gem_shrink_all(i915);
 
 	/* Because we may be allocating inside our own driver, we cannot
 	 * assert that there are no objects with pinned pages that are not
 	 * being pointed to by hardware.
 	 */
 	unbound = bound = unevictable = 0;
-	spin_lock(&dev_priv->mm.obj_lock);
-	list_for_each_entry(obj, &dev_priv->mm.unbound_list, mm.link) {
+	spin_lock(&i915->mm.obj_lock);
+	list_for_each_entry(obj, &i915->mm.unbound_list, mm.link) {
 		if (!can_release_pages(obj))
 			unevictable += obj->base.size >> PAGE_SHIFT;
 		else
 			unbound += obj->base.size >> PAGE_SHIFT;
 	}
-	list_for_each_entry(obj, &dev_priv->mm.bound_list, mm.link) {
+	list_for_each_entry(obj, &i915->mm.bound_list, mm.link) {
 		if (!can_release_pages(obj))
 			unevictable += obj->base.size >> PAGE_SHIFT;
 		else
 			bound += obj->base.size >> PAGE_SHIFT;
 	}
-	spin_unlock(&dev_priv->mm.obj_lock);
+	spin_unlock(&i915->mm.obj_lock);
 
 	if (freed_pages || unbound || bound)
 		pr_info("Purging GPU memory, %lu pages freed, "
@@ -455,39 +455,39 @@ i915_gem_shrinker_oom(struct notifier_block *nb, unsigned long event, void *ptr)
 static int
 i915_gem_shrinker_vmap(struct notifier_block *nb, unsigned long event, void *ptr)
 {
-	struct drm_i915_private *dev_priv =
+	struct drm_i915_private *i915 =
 		container_of(nb, struct drm_i915_private, mm.vmap_notifier);
 	struct i915_vma *vma, *next;
 	unsigned long freed_pages = 0;
 	bool unlock;
 	int ret;
 
-	if (!shrinker_lock_uninterruptible(dev_priv, &unlock, 5000))
+	if (!shrinker_lock_uninterruptible(i915, &unlock, 5000))
 		return NOTIFY_DONE;
 
 	/* Force everything onto the inactive lists */
-	ret = i915_gem_wait_for_idle(dev_priv, I915_WAIT_LOCKED);
+	ret = i915_gem_wait_for_idle(i915, I915_WAIT_LOCKED);
 	if (ret)
 		goto out;
 
-	intel_runtime_pm_get(dev_priv);
-	freed_pages += i915_gem_shrink(dev_priv, -1UL, NULL,
+	intel_runtime_pm_get(i915);
+	freed_pages += i915_gem_shrink(i915, -1UL, NULL,
 				       I915_SHRINK_BOUND |
 				       I915_SHRINK_UNBOUND |
 				       I915_SHRINK_ACTIVE |
 				       I915_SHRINK_VMAPS);
-	intel_runtime_pm_put(dev_priv);
+	intel_runtime_pm_put(i915);
 
 	/* We also want to clear any cached iomaps as they wrap vmap */
 	list_for_each_entry_safe(vma, next,
-				 &dev_priv->ggtt.base.inactive_list, vm_link) {
+				 &i915->ggtt.base.inactive_list, vm_link) {
 		unsigned long count = vma->node.size >> PAGE_SHIFT;
 		if (vma->iomap && i915_vma_unbind(vma) == 0)
 			freed_pages += count;
 	}
 
 out:
-	shrinker_unlock(dev_priv, unlock);
+	shrinker_unlock(i915, unlock);
 
 	*(unsigned long *)ptr += freed_pages;
 	return NOTIFY_DONE;
@@ -495,34 +495,34 @@ out:
 
 /**
  * i915_gem_shrinker_register - Register the i915 shrinker
- * @dev_priv: i915 device
+ * @i915: i915 device
  *
  * This function registers and sets up the i915 shrinker and OOM handler.
  */
-void i915_gem_shrinker_register(struct drm_i915_private *dev_priv)
+void i915_gem_shrinker_register(struct drm_i915_private *i915)
 {
-	dev_priv->mm.shrinker.scan_objects = i915_gem_shrinker_scan;
-	dev_priv->mm.shrinker.count_objects = i915_gem_shrinker_count;
-	dev_priv->mm.shrinker.seeks = DEFAULT_SEEKS;
-	dev_priv->mm.shrinker.batch = 4096;
-	WARN_ON(register_shrinker(&dev_priv->mm.shrinker));
+	i915->mm.shrinker.scan_objects = i915_gem_shrinker_scan;
+	i915->mm.shrinker.count_objects = i915_gem_shrinker_count;
+	i915->mm.shrinker.seeks = DEFAULT_SEEKS;
+	i915->mm.shrinker.batch = 4096;
+	WARN_ON(register_shrinker(&i915->mm.shrinker));
 
-	dev_priv->mm.oom_notifier.notifier_call = i915_gem_shrinker_oom;
-	WARN_ON(register_oom_notifier(&dev_priv->mm.oom_notifier));
+	i915->mm.oom_notifier.notifier_call = i915_gem_shrinker_oom;
+	WARN_ON(register_oom_notifier(&i915->mm.oom_notifier));
 
-	dev_priv->mm.vmap_notifier.notifier_call = i915_gem_shrinker_vmap;
-	WARN_ON(register_vmap_purge_notifier(&dev_priv->mm.vmap_notifier));
+	i915->mm.vmap_notifier.notifier_call = i915_gem_shrinker_vmap;
+	WARN_ON(register_vmap_purge_notifier(&i915->mm.vmap_notifier));
 }
 
 /**
  * i915_gem_shrinker_unregister - Unregisters the i915 shrinker
- * @dev_priv: i915 device
+ * @i915: i915 device
  *
  * This function unregisters the i915 shrinker and OOM handler.
  */
-void i915_gem_shrinker_unregister(struct drm_i915_private *dev_priv)
+void i915_gem_shrinker_unregister(struct drm_i915_private *i915)
 {
-	WARN_ON(unregister_vmap_purge_notifier(&dev_priv->mm.vmap_notifier));
-	WARN_ON(unregister_oom_notifier(&dev_priv->mm.oom_notifier));
-	unregister_shrinker(&dev_priv->mm.shrinker);
+	WARN_ON(unregister_vmap_purge_notifier(&i915->mm.vmap_notifier));
+	WARN_ON(unregister_oom_notifier(&i915->mm.oom_notifier));
+	unregister_shrinker(&i915->mm.shrinker);
 }