drm/i915: Move allocate_va_range to GTT

In the future, we need to call allocate_va_range on the aliasing-ppgtt
which means moving the call down from the vma into the vm (which is
more appropriate for calling the vm function).
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170215084357.19977-8-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/i915_gem_gtt.c

@@ -190,11 +190,18 @@ static int ppgtt_bind_vma(struct i915_vma *vma,
 			  enum i915_cache_level cache_level,
 			  u32 unused)
 {
-	u32 pte_flags = 0;
+	u32 pte_flags;
+	int ret;
+
+	trace_i915_va_alloc(vma);
+	ret = vma->vm->allocate_va_range(vma->vm, vma->node.start, vma->size);
+	if (ret)
+		return ret;
 
 	vma->pages = vma->obj->mm.pages;
 
 	/* Currently applicable only to VLV */
+	pte_flags = 0;
 	if (vma->obj->gt_ro)
 		pte_flags |= PTE_READ_ONLY;
 
@@ -206,9 +213,7 @@ static int ppgtt_bind_vma(struct i915_vma *vma,
 
 static void ppgtt_unbind_vma(struct i915_vma *vma)
 {
-	vma->vm->clear_range(vma->vm,
-			     vma->node.start,
-			     vma->size);
+	vma->vm->clear_range(vma->vm, vma->node.start, vma->size);
 }
 
 static gen8_pte_t gen8_pte_encode(dma_addr_t addr,
@@ -2650,9 +2655,10 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma,
 {
 	struct drm_i915_private *i915 = vma->vm->i915;
 	u32 pte_flags;
+	int ret;
 
 	if (unlikely(!vma->pages)) {
-		int ret = i915_get_ggtt_vma_pages(vma);
+		ret = i915_get_ggtt_vma_pages(vma);
 		if (ret)
 			return ret;
 	}
@@ -2662,19 +2668,28 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma,
 	if (vma->obj->gt_ro)
 		pte_flags |= PTE_READ_ONLY;
 
-	if (flags & I915_VMA_GLOBAL_BIND) {
-		intel_runtime_pm_get(i915);
-		vma->vm->insert_entries(vma->vm,
+	if (flags & I915_VMA_LOCAL_BIND) {
+		struct i915_hw_ppgtt *appgtt = i915->mm.aliasing_ppgtt;
+
+		if (appgtt->base.allocate_va_range) {
+			ret = appgtt->base.allocate_va_range(&appgtt->base,
+							     vma->node.start,
+							     vma->node.size);
+			if (ret)
+				return ret;
+		}
+
+		appgtt->base.insert_entries(&appgtt->base,
 					    vma->pages, vma->node.start,
 					    cache_level, pte_flags);
-		intel_runtime_pm_put(i915);
 	}
 
-	if (flags & I915_VMA_LOCAL_BIND) {
-		struct i915_hw_ppgtt *appgtt = i915->mm.aliasing_ppgtt;
-		appgtt->base.insert_entries(&appgtt->base,
+	if (flags & I915_VMA_GLOBAL_BIND) {
+		intel_runtime_pm_get(i915);
+		vma->vm->insert_entries(vma->vm,
 					vma->pages, vma->node.start,
 					cache_level, pte_flags);
+		intel_runtime_pm_put(i915);
 	}
 
 	return 0;

drivers/gpu/drm/i915/i915_vma.c

@@ -263,15 +263,6 @@ int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level,
 					vma->vm->total)))
 		return -ENODEV;
 
-	if (vma_flags == 0 && vma->vm->allocate_va_range) {
-		trace_i915_va_alloc(vma);
-		ret = vma->vm->allocate_va_range(vma->vm,
-						 vma->node.start,
-						 vma->node.size);
-		if (ret)
-			return ret;
-	}
-
 	trace_i915_vma_bind(vma, bind_flags);
 	ret = vma->vm->bind_vma(vma, cache_level, bind_flags);
 	if (ret)