From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/include/drm/drm_client.h | 63 +++++++++++++++++++++++++++++--
1 files changed, 59 insertions(+), 4 deletions(-)
diff --git a/kernel/include/drm/drm_client.h b/kernel/include/drm/drm_client.h
index 971bb78..7aaea66 100644
--- a/kernel/include/drm/drm_client.h
+++ b/kernel/include/drm/drm_client.h
@@ -1,9 +1,14 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0 or MIT */
#ifndef _DRM_CLIENT_H_
#define _DRM_CLIENT_H_
+#include <linux/lockdep.h>
+#include <linux/mutex.h>
#include <linux/types.h>
+
+#include <drm/drm_connector.h>
+#include <drm/drm_crtc.h>
struct drm_client_dev;
struct drm_device;
@@ -26,7 +31,7 @@
* @unregister:
*
* Called when &drm_device is unregistered. The client should respond by
- * releasing it's resources using drm_client_release().
+ * releasing its resources using drm_client_release().
*
* This callback is optional.
*/
@@ -38,6 +43,11 @@
* Called on drm_lastclose(). The first client instance in the list that
* returns zero gets the privilege to restore and no more clients are
* called. This callback is not called after @unregister has been called.
+ *
+ * Note that the core does not guarantee exclusion against concurrent
+ * drm_open(). Clients need to ensure this themselves, for example by
+ * using drm_master_internal_acquire() and
+ * drm_master_internal_release().
*
* This callback is optional.
*/
@@ -85,12 +95,22 @@
* @file: DRM file
*/
struct drm_file *file;
+
+ /**
+ * @modeset_mutex: Protects @modesets.
+ */
+ struct mutex modeset_mutex;
+
+ /**
+ * @modesets: CRTC configurations
+ */
+ struct drm_mode_set *modesets;
};
int drm_client_init(struct drm_device *dev, struct drm_client_dev *client,
const char *name, const struct drm_client_funcs *funcs);
void drm_client_release(struct drm_client_dev *client);
-void drm_client_add(struct drm_client_dev *client);
+void drm_client_register(struct drm_client_dev *client);
void drm_client_dev_unregister(struct drm_device *dev);
void drm_client_dev_hotplug(struct drm_device *dev);
@@ -134,7 +154,42 @@
struct drm_client_buffer *
drm_client_framebuffer_create(struct drm_client_dev *client, u32 width, u32 height, u32 format);
void drm_client_framebuffer_delete(struct drm_client_buffer *buffer);
+int drm_client_framebuffer_flush(struct drm_client_buffer *buffer, struct drm_rect *rect);
+void *drm_client_buffer_vmap(struct drm_client_buffer *buffer);
+void drm_client_buffer_vunmap(struct drm_client_buffer *buffer);
-int drm_client_debugfs_init(struct drm_minor *minor);
+int drm_client_modeset_create(struct drm_client_dev *client);
+void drm_client_modeset_free(struct drm_client_dev *client);
+int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width, unsigned int height);
+bool drm_client_rotation(struct drm_mode_set *modeset, unsigned int *rotation);
+int drm_client_modeset_check(struct drm_client_dev *client);
+int drm_client_modeset_commit_locked(struct drm_client_dev *client);
+int drm_client_modeset_commit(struct drm_client_dev *client);
+int drm_client_modeset_dpms(struct drm_client_dev *client, int mode);
+
+/**
+ * drm_client_for_each_modeset() - Iterate over client modesets
+ * @modeset: &drm_mode_set loop cursor
+ * @client: DRM client
+ */
+#define drm_client_for_each_modeset(modeset, client) \
+ for (({ lockdep_assert_held(&(client)->modeset_mutex); }), \
+ modeset = (client)->modesets; modeset->crtc; modeset++)
+
+/**
+ * drm_client_for_each_connector_iter - connector_list iterator macro
+ * @connector: &struct drm_connector pointer used as cursor
+ * @iter: &struct drm_connector_list_iter
+ *
+ * This iterates the connectors that are useable for internal clients (excludes
+ * writeback connectors).
+ *
+ * For more info see drm_for_each_connector_iter().
+ */
+#define drm_client_for_each_connector_iter(connector, iter) \
+ drm_for_each_connector_iter(connector, iter) \
+ if (connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK)
+
+void drm_client_debugfs_init(struct drm_minor *minor);
#endif
--
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