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path: root/drivers/gpu/drm/i915/i915_gem_gtt.h
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.h')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index 3c5ef5358cef..7e678ce5a9c7 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -525,6 +525,12 @@ i915_vm_to_ggtt(struct i915_address_space *vm)
return container_of(vm, struct i915_ggtt, base);
}
+static inline bool
+i915_vm_is_48bit(const struct i915_address_space *vm)
+{
+ return (vm->total - 1) >> 32;
+}
+
int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv);
int i915_ggtt_init_hw(struct drm_i915_private *dev_priv);
int i915_ggtt_enable_hw(struct drm_i915_private *dev_priv);
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