[PATCH] drm: Merge drm_info.c into drm_debugfs.c

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Ever since

commit cb6458f97b53d7f73043206c18014b3ca63ac345
Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
Date:   Thu Aug 8 15:41:34 2013 +0200

    drm: remove procfs code, take 2

Having the code shared between procfs and debugfs in the separate
drm_info.c file stopped making sense. Merge them.

Noticed because Lyude asked some questions on irc about why we even
have drm_info_node and I remember this old story.

Cc: Lyude Paul <lyude@xxxxxxxxxx>
Reviewed-by: Lyude Paul <lyude@xxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
 drivers/gpu/drm/Makefile       |   2 +-
 drivers/gpu/drm/drm_debugfs.c  |  89 +++++++++++++++++++++
 drivers/gpu/drm/drm_info.c     | 137 ---------------------------------
 drivers/gpu/drm/drm_internal.h |   5 --
 4 files changed, 90 insertions(+), 143 deletions(-)
 delete mode 100644 drivers/gpu/drm/drm_info.c

diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index 576ba985e138..7c88f12096c5 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -10,7 +10,7 @@ drm-y       :=	drm_auth.o drm_bufs.o drm_cache.o \
 		drm_scatter.o drm_pci.o \
 		drm_sysfs.o drm_hashtab.o drm_mm.o \
 		drm_crtc.o drm_fourcc.o drm_modes.o drm_edid.o \
-		drm_info.o drm_encoder_slave.o \
+		drm_encoder_slave.o \
 		drm_trace_points.o drm_global.o drm_prime.o \
 		drm_rect.o drm_vma_manager.o drm_flip_work.o \
 		drm_modeset_lock.o drm_atomic.o drm_bridge.o \
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index 373bd4c2b698..f8468eae0503 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -32,6 +32,8 @@
 #include <drm/drm_debugfs.h>
 #include <drm/drm_edid.h>
 #include <drm/drm_atomic.h>
+#include <drm/drm_auth.h>
+#include <drm/drm_gem.h>
 #include <drm/drmP.h>
 
 #include "drm_internal.h"
@@ -43,6 +45,93 @@
  * Initialization, etc.
  **************************************************/
 
+static int drm_name_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_minor *minor = node->minor;
+	struct drm_device *dev = minor->dev;
+	struct drm_master *master;
+
+	mutex_lock(&dev->master_mutex);
+	master = dev->master;
+	seq_printf(m, "%s", dev->driver->name);
+	if (dev->dev)
+		seq_printf(m, " dev=%s", dev_name(dev->dev));
+	if (master && master->unique)
+		seq_printf(m, " master=%s", master->unique);
+	if (dev->unique)
+		seq_printf(m, " unique=%s", dev->unique);
+	seq_printf(m, "\n");
+	mutex_unlock(&dev->master_mutex);
+
+	return 0;
+}
+
+static int drm_clients_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	struct drm_file *priv;
+	kuid_t uid;
+
+	seq_printf(m,
+		   "%20s %5s %3s master a %5s %10s\n",
+		   "command",
+		   "pid",
+		   "dev",
+		   "uid",
+		   "magic");
+
+	/* dev->filelist is sorted youngest first, but we want to present
+	 * oldest first (i.e. kernel, servers, clients), so walk backwardss.
+	 */
+	mutex_lock(&dev->filelist_mutex);
+	list_for_each_entry_reverse(priv, &dev->filelist, lhead) {
+		struct task_struct *task;
+
+		rcu_read_lock(); /* locks pid_task()->comm */
+		task = pid_task(priv->pid, PIDTYPE_PID);
+		uid = task ? __task_cred(task)->euid : GLOBAL_ROOT_UID;
+		seq_printf(m, "%20s %5d %3d   %c    %c %5d %10u\n",
+			   task ? task->comm : "<unknown>",
+			   pid_vnr(priv->pid),
+			   priv->minor->index,
+			   drm_is_current_master(priv) ? 'y' : 'n',
+			   priv->authenticated ? 'y' : 'n',
+			   from_kuid_munged(seq_user_ns(m), uid),
+			   priv->magic);
+		rcu_read_unlock();
+	}
+	mutex_unlock(&dev->filelist_mutex);
+	return 0;
+}
+
+static int drm_gem_one_name_info(int id, void *ptr, void *data)
+{
+	struct drm_gem_object *obj = ptr;
+	struct seq_file *m = data;
+
+	seq_printf(m, "%6d %8zd %7d %8d\n",
+		   obj->name, obj->size,
+		   obj->handle_count,
+		   kref_read(&obj->refcount));
+	return 0;
+}
+
+static int drm_gem_name_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+
+	seq_printf(m, "  name     size handles refcount\n");
+
+	mutex_lock(&dev->object_name_lock);
+	idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m);
+	mutex_unlock(&dev->object_name_lock);
+
+	return 0;
+}
+
 static const struct drm_info_list drm_debugfs_list[] = {
 	{"name", drm_name_info, 0},
 	{"clients", drm_clients_info, 0},
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
deleted file mode 100644
index 6b68e9088436..000000000000
--- a/drivers/gpu/drm/drm_info.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/**
- * \file drm_info.c
- * DRM info file implementations
- *
- * \author Ben Gamari <bgamari@xxxxxxxxx>
- */
-
-/*
- * Created: Sun Dec 21 13:09:50 2008 by bgamari@xxxxxxxxx
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * Copyright 2008 Ben Gamari <bgamari@xxxxxxxxx>
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <linux/seq_file.h>
-#include <drm/drmP.h>
-#include <drm/drm_gem.h>
-
-#include "drm_internal.h"
-#include "drm_legacy.h"
-
-/**
- * Called when "/proc/dri/.../name" is read.
- *
- * Prints the device name together with the bus id if available.
- */
-int drm_name_info(struct seq_file *m, void *data)
-{
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_minor *minor = node->minor;
-	struct drm_device *dev = minor->dev;
-	struct drm_master *master;
-
-	mutex_lock(&dev->master_mutex);
-	master = dev->master;
-	seq_printf(m, "%s", dev->driver->name);
-	if (dev->dev)
-		seq_printf(m, " dev=%s", dev_name(dev->dev));
-	if (master && master->unique)
-		seq_printf(m, " master=%s", master->unique);
-	if (dev->unique)
-		seq_printf(m, " unique=%s", dev->unique);
-	seq_printf(m, "\n");
-	mutex_unlock(&dev->master_mutex);
-
-	return 0;
-}
-
-/**
- * Called when "/proc/dri/.../clients" is read.
- *
- */
-int drm_clients_info(struct seq_file *m, void *data)
-{
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-	struct drm_file *priv;
-	kuid_t uid;
-
-	seq_printf(m,
-		   "%20s %5s %3s master a %5s %10s\n",
-		   "command",
-		   "pid",
-		   "dev",
-		   "uid",
-		   "magic");
-
-	/* dev->filelist is sorted youngest first, but we want to present
-	 * oldest first (i.e. kernel, servers, clients), so walk backwardss.
-	 */
-	mutex_lock(&dev->filelist_mutex);
-	list_for_each_entry_reverse(priv, &dev->filelist, lhead) {
-		struct task_struct *task;
-
-		rcu_read_lock(); /* locks pid_task()->comm */
-		task = pid_task(priv->pid, PIDTYPE_PID);
-		uid = task ? __task_cred(task)->euid : GLOBAL_ROOT_UID;
-		seq_printf(m, "%20s %5d %3d   %c    %c %5d %10u\n",
-			   task ? task->comm : "<unknown>",
-			   pid_vnr(priv->pid),
-			   priv->minor->index,
-			   drm_is_current_master(priv) ? 'y' : 'n',
-			   priv->authenticated ? 'y' : 'n',
-			   from_kuid_munged(seq_user_ns(m), uid),
-			   priv->magic);
-		rcu_read_unlock();
-	}
-	mutex_unlock(&dev->filelist_mutex);
-	return 0;
-}
-
-static int drm_gem_one_name_info(int id, void *ptr, void *data)
-{
-	struct drm_gem_object *obj = ptr;
-	struct seq_file *m = data;
-
-	seq_printf(m, "%6d %8zd %7d %8d\n",
-		   obj->name, obj->size,
-		   obj->handle_count,
-		   kref_read(&obj->refcount));
-	return 0;
-}
-
-int drm_gem_name_info(struct seq_file *m, void *data)
-{
-	struct drm_info_node *node = (struct drm_info_node *) m->private;
-	struct drm_device *dev = node->minor->dev;
-
-	seq_printf(m, "  name     size handles refcount\n");
-
-	mutex_lock(&dev->object_name_lock);
-	idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m);
-	mutex_unlock(&dev->object_name_lock);
-
-	return 0;
-}
diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h
index 0c4eb4a9ab31..c7a7d7ce5d1c 100644
--- a/drivers/gpu/drm/drm_internal.h
+++ b/drivers/gpu/drm/drm_internal.h
@@ -56,11 +56,6 @@ void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpr
 struct drm_minor *drm_minor_acquire(unsigned int minor_id);
 void drm_minor_release(struct drm_minor *minor);
 
-/* drm_info.c */
-int drm_name_info(struct seq_file *m, void *data);
-int drm_clients_info(struct seq_file *m, void* data);
-int drm_gem_name_info(struct seq_file *m, void *data);
-
 /* drm_vblank.c */
 void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
 void drm_vblank_cleanup(struct drm_device *dev);
-- 
2.19.1

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