linux-kernel - [PATCH v3 03/16] drm/vkms: Move default

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Message-Id: <20250121-google-remove-crtc-index-from-parameter-v3-3-cac00a3c3544@bootlin.com>
Date: Tue, 21 Jan 2025 11:55:27 +0100
From: Louis Chauvet <louis.chauvet@...tlin.com>
To: Maíra Canal <mairacanal@...eup.net>, 
 Haneen Mohammed <hamohammed.sa@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Melissa Wen <melissa.srw@...il.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>
Cc: arthurgrillo@...eup.net, jeremie.dautheribes@...tlin.com, 
 miquel.raynal@...tlin.com, thomas.petazzoni@...tlin.com, 
 seanpaul@...gle.com, nicolejadeyee@...gle.com, linux-kernel@...r.kernel.org, 
 dri-devel@...ts.freedesktop.org, Louis Chauvet <louis.chauvet@...tlin.com>, 
 José Expósito <jose.exposito89@...il.com>
Subject: [PATCH v3 03/16] drm/vkms: Move default_config creation to its own
 function

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

Signed-off-by: Louis Chauvet <louis.chauvet@...tlin.com>
[Changes: Cherry pick and solve conflicts]
Signed-off-by: José Expósito <jose.exposito89@...il.com>
---
 drivers/gpu/drm/vkms/vkms_config.c | 15 +++++++++++++++
 drivers/gpu/drm/vkms/vkms_config.h |  9 +++++++++
 drivers/gpu/drm/vkms/vkms_drv.c    |  7 +------
 3 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/vkms/vkms_config.c b/drivers/gpu/drm/vkms/vkms_config.c
index 8d5c1429e6e196ef46c95c6ae73330bc4be2be39..e7c7f46303e8ce4c9de68878668b855ac0fc5d2e 100644
--- a/drivers/gpu/drm/vkms/vkms_config.c
+++ b/drivers/gpu/drm/vkms/vkms_config.c
@@ -18,6 +18,21 @@ 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 6b0e5fd0e26f04359b0d10252496c52b15d83896..4440549c3084a341d03ec66119ba7998012bd662 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -213,15 +213,10 @@ 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);

-- 
2.47.1