Similar to how we already split the bind_vma for ggtt/aliasing_gtt, also
split up the unbind for symmetry.

Signed-off-by: Chris Wilson <[email protected]>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c 
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 921aa1e902b4..45bab7b7b026 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2635,6 +2635,15 @@ static int ggtt_bind_vma(struct i915_vma *vma,
        return 0;
 }
 
+static void ggtt_unbind_vma(struct i915_vma *vma)
+{
+       struct drm_i915_private *i915 = vma->vm->i915;
+
+       intel_runtime_pm_get(i915);
+       vma->vm->clear_range(vma->vm, vma->node.start, vma->size);
+       intel_runtime_pm_put(i915);
+}
+
 static int aliasing_gtt_bind_vma(struct i915_vma *vma,
                                 enum i915_cache_level cache_level,
                                 u32 flags)
@@ -2671,22 +2680,21 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma,
        return 0;
 }
 
-static void ggtt_unbind_vma(struct i915_vma *vma)
+static void aliasing_gtt_unbind_vma(struct i915_vma *vma)
 {
        struct drm_i915_private *i915 = vma->vm->i915;
-       struct i915_hw_ppgtt *appgtt = i915->mm.aliasing_ppgtt;
-       const u64 size = min(vma->size, vma->node.size);
 
        if (vma->flags & I915_VMA_GLOBAL_BIND) {
                intel_runtime_pm_get(i915);
-               vma->vm->clear_range(vma->vm,
-                                    vma->node.start, size);
+               vma->vm->clear_range(vma->vm, vma->node.start, vma->size);
                intel_runtime_pm_put(i915);
        }
 
-       if (vma->flags & I915_VMA_LOCAL_BIND && appgtt)
-               appgtt->base.clear_range(&appgtt->base,
-                                        vma->node.start, size);
+       if (vma->flags & I915_VMA_LOCAL_BIND) {
+               struct i915_address_space *vm = &i915->mm.aliasing_ppgtt->base;
+
+               vm->clear_range(vm, vma->node.start, vma->size);
+       }
 }
 
 void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj,
@@ -2780,8 +2788,12 @@ int i915_gem_init_ggtt(struct drm_i915_private *dev_priv)
                                        ppgtt->base.total);
 
                dev_priv->mm.aliasing_ppgtt = ppgtt;
+
                WARN_ON(ggtt->base.bind_vma != ggtt_bind_vma);
                ggtt->base.bind_vma = aliasing_gtt_bind_vma;
+
+               WARN_ON(ggtt->base.unbind_vma != ggtt_unbind_vma);
+               ggtt->base.unbind_vma = aliasing_gtt_unbind_vma;
        }
 
        return 0;
-- 
2.11.0

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