[PATCH RFC 05/15] 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 d8348af9587e..27b49a2ad9c8 100644
--- a/drivers/gpu/drm/vkms/vkms_config.c
+++ b/drivers/gpu/drm/vkms/vkms_config.c
@@ -16,6 +16,22 @@ struct vkms_config *vkms_config_create(void)
 	return config;
 }
 
+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 363f5bc8f64b..50c3b021a66b 100644
--- a/drivers/gpu/drm/vkms/vkms_config.h
+++ b/drivers/gpu/drm/vkms/vkms_config.h
@@ -43,4 +43,13 @@ 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 dbdb1f565a8f..af237daa3c5c 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -328,15 +328,10 @@ 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);

-- 
2.44.2