[Intel-gfx] [RFC PATCH v3 01/17] drm/i915: Expose vm_lookup in i915_gem_context.h

[Andi Shyti <andi.shyti@linux.intel.com>]

From: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>

To reuse i915_gem_vm_lookup in upcoming implementation, expose it in
i915_gem_context.h

Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@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 dabdfe09f5e51..fdd3e3bfd4088 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 e5b0f66ea1feb..899fa8f1e0fed 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);
 
-- 
2.34.1