[PATCH RFC v2 03/18] drm/vkms: Move default_config creation to its own function

[Louis Chauvet <louis.chauvet@xxxxxxxxxxx>]

Extract the initialization of the default configuration to a function.
Refactor, no functional changes.

Signed-off-by: Louis Chauvet <louis.chauvet@xxxxxxxxxxx>
[Changes: Cherry pick and solve conflicts]
Signed-off-by: José Expósito <jose.exposito89@xxxxxxxxx>
---
 drivers/gpu/drm/vkms/vkms_config.c | 16 ++++++++++++++++
 drivers/gpu/drm/vkms/vkms_config.h |  9 +++++++++
 drivers/gpu/drm/vkms/vkms_drv.c    |  7 +------
 3 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/vkms/vkms_config.c b/drivers/gpu/drm/vkms/vkms_config.c
index 8d5c1429e6e196ef46c95c6ae73330bc4be2be39..f7e0d39952ac73ea49c710b49becd391b5aaa66a 100644
--- a/drivers/gpu/drm/vkms/vkms_config.c
+++ b/drivers/gpu/drm/vkms/vkms_config.c
@@ -18,6 +18,22 @@ struct vkms_config *vkms_config_create(void)
 }
 EXPORT_SYMBOL_IF_KUNIT(vkms_config_create);
 
+struct vkms_config *vkms_config_alloc_default(bool enable_writeback, bool enable_overlay,
+					      bool enable_cursor)
+{
+	struct vkms_config *vkms_config = vkms_config_create();
+
+	if (IS_ERR(vkms_config))
+		return vkms_config;
+
+	vkms_config->writeback = enable_writeback;
+	vkms_config->overlay = enable_overlay;
+	vkms_config->cursor = enable_cursor;
+
+	return vkms_config;
+}
+
+
 void vkms_config_destroy(struct vkms_config *config)
 {
 	kfree(config);
diff --git a/drivers/gpu/drm/vkms/vkms_config.h b/drivers/gpu/drm/vkms/vkms_config.h
index df571dd67352ca90fb47bd937fb9f11ceb95fcb2..2afb795586c6924a46dd4ba777bf22a4f51cddda 100644
--- a/drivers/gpu/drm/vkms/vkms_config.h
+++ b/drivers/gpu/drm/vkms/vkms_config.h
@@ -42,4 +42,13 @@ void vkms_config_destroy(struct vkms_config *config);
  */
 bool vkms_config_is_valid(struct vkms_config *vkms_config);
 
+/**
+ * vkms_config_alloc_default() - Allocate the configuration for the default device
+ * @enable_writeback: Enable the writeback connector for this configuration
+ * @enable_overlay: Create some overlay planes
+ * @enable_cursor:  Create a cursor plane
+ */
+struct vkms_config *vkms_config_alloc_default(bool enable_writeback, bool enable_overlay,
+					      bool enable_cursor);
+
 #endif //_VKMS_CONFIG_H
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
index e399566a5b5d6a6cf92a41c72910e857fc4e743f..61ae2986568093ab0df7174a0a4678a75f9aad0c 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -215,15 +215,10 @@ static int vkms_create(struct vkms_config *config)
 static int __init vkms_init(void)
 {
 	int ret;
-
-	default_config = vkms_config_create();
+	default_config = vkms_config_alloc_default(enable_writeback, enable_overlay, enable_cursor);
 	if (IS_ERR(default_config))
 		return PTR_ERR(default_config);
 
-	default_config->cursor = enable_cursor;
-	default_config->writeback = enable_writeback;
-	default_config->overlay = enable_overlay;
-
 	ret = vkms_create(default_config);
 	if (ret)
 		vkms_config_destroy(default_config);

-- 
2.47.0