[PATCH 4/6] igt_kms: document and export igt_get_property()

[Paulo Zanoni <przanoni@gmail.com>]

From: Paulo Zanoni <paulo.r.zanoni@intel.com>

So we can use it on pm_rpm.c.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
---
 lib/igt_kms.c | 27 +++++++++++++++++++++------
 lib/igt_kms.h |  4 ++++
 2 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 664b9e8..6cca7e8 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -592,10 +592,25 @@ static void igt_output_refresh(igt_output_t *output)
 	display->pipes_in_use |= 1 << output->config.pipe;
 }
 
-static bool
-get_property(int drm_fd, uint32_t object_id, uint32_t object_type,
-	     const char *name, uint32_t *prop_id /* out */,
-	     uint64_t *value /* out */, drmModePropertyPtr *prop /* out */)
+/**
+ * igt_get_property:
+ * @drm_fd: drm file descriptor
+ * @object_id: object whose properties we're going to get
+ * @object_type: type of obj_id (DRM_MODE_OBJECT_*)
+ * @name: name of the property we're going to get
+ * @prop_id: if not NULL, returns the property id
+ * @value: if not NULL, returns the property value
+ * @prop: if not NULL, returns the property, and the caller will have to free
+ *        it manually.
+ *
+ * Finds a property with the given name on the given object.
+ *
+ * Returns: true in case we found something.
+ */
+bool
+igt_get_property(int drm_fd, uint32_t object_id, uint32_t object_type,
+		 const char *name, uint32_t *prop_id /* out */,
+		 uint64_t *value /* out */, drmModePropertyPtr *prop /* out */)
 {
 	drmModeObjectPropertiesPtr proplist;
 	drmModePropertyPtr _prop;
@@ -633,8 +648,8 @@ get_plane_property(int drm_fd, uint32_t plane_id, const char *name,
 		   uint32_t *prop_id /* out */, uint64_t *value /* out */,
 		   drmModePropertyPtr *prop /* out */)
 {
-	return get_property(drm_fd, plane_id, DRM_MODE_OBJECT_PLANE,
-			    name, prop_id, value, prop);
+	return igt_get_property(drm_fd, plane_id, DRM_MODE_OBJECT_PLANE,
+				name, prop_id, value, prop);
 }
 
 static void
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 08b46ab..f8c500e 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -255,5 +255,9 @@ void igt_wait_for_vblank(int drm_fd, enum pipe pipe);
 void igt_enable_connectors(void);
 void igt_reset_connectors(void);
 
+bool igt_get_property(int drm_fd, uint32_t object_id, uint32_t object_type,
+		      const char *name, uint32_t *prop_id, uint64_t *value,
+		      drmModePropertyPtr *prop);
+
 #endif /* __IGT_KMS_H__ */
 
-- 
2.0.1