Make i915_gem_vm_lookup() function non-static as it will be
used by the vm_bind feature.

Reviewed-by: Matthew Auld <matthew.a...@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathap...@intel.com>
Signed-off-by: Andi Shyti <andi.sh...@linux.intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_context.c | 11 ++++++++++-
 drivers/gpu/drm/i915/gem/i915_gem_context.h |  3 +++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c 
b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 46e71f62fcec..b90901ad6866 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -346,7 +346,16 @@ static int proto_context_register(struct 
drm_i915_file_private *fpriv,
        return ret;
 }
 
-static struct i915_address_space *
+/**
+ * i915_gem_vm_lookup() - looks up for the VM reference given the vm id
+ * @file_priv: the private data associated with the user's file
+ * @id: the VM id
+ *
+ * Finds the VM reference associated to a specific id.
+ *
+ * Returns the VM pointer on success, NULL in case of failure.
+ */
+struct i915_address_space *
 i915_gem_vm_lookup(struct drm_i915_file_private *file_priv, u32 id)
 {
        struct i915_address_space *vm;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.h 
b/drivers/gpu/drm/i915/gem/i915_gem_context.h
index e5b0f66ea1fe..899fa8f1e0fe 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.h
@@ -139,6 +139,9 @@ int i915_gem_context_setparam_ioctl(struct drm_device *dev, 
void *data,
 int i915_gem_context_reset_stats_ioctl(struct drm_device *dev, void *data,
                                       struct drm_file *file);
 
+struct i915_address_space *
+i915_gem_vm_lookup(struct drm_i915_file_private *file_priv, u32 id);
+
 struct i915_gem_context *
 i915_gem_context_lookup(struct drm_i915_file_private *file_priv, u32 id);
 
-- 
2.21.0.rc0.32.g243a4c7e27

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