Both i915 and Armada had the exact same implementation. For an upcoming
patch, I'd like to call this function from two different source files in
i915, and having it available externally helps there too.
While moving, add 'debugfs_' to the name in order to match the other drm
debugfs helper functions.
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Ben Widawsky <ben@xxxxxxxxxxxx>
---
drivers/gpu/drm/armada/armada_debugfs.c | 24 +-----------------------
drivers/gpu/drm/drm_debugfs.c | 24 ++++++++++++++++++++++++
drivers/gpu/drm/i915/i915_debugfs.c | 32 +++-----------------------------
include/drm/drmP.h | 9 +++++++++
4 files changed, 37 insertions(+), 52 deletions(-)
diff --git a/drivers/gpu/drm/armada/armada_debugfs.c b/drivers/gpu/drm/armada/armada_debugfs.c
index 471e456..02f2978 100644
--- a/drivers/gpu/drm/armada/armada_debugfs.c
+++ b/drivers/gpu/drm/armada/armada_debugfs.c
@@ -107,28 +107,6 @@ static struct drm_info_list armada_debugfs_list[] = {
};
#define ARMADA_DEBUGFS_ENTRIES ARRAY_SIZE(armada_debugfs_list)
-static int drm_add_fake_info_node(struct drm_minor *minor, struct dentry *ent,
- const void *key)
-{
- struct drm_info_node *node;
-
- node = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL);
- if (node == NULL) {
- debugfs_remove(ent);
- return -ENOMEM;
- }
-
- node->minor = minor;
- node->dent = ent;
- node->info_ent = (void *) key;
-
- mutex_lock(&minor->debugfs_lock);
- list_add(&node->list, &minor->debugfs_list);
- mutex_unlock(&minor->debugfs_lock);
-
- return 0;
-}
-
static int armada_debugfs_create(struct dentry *root, struct drm_minor *minor,
const char *name, umode_t mode, const struct file_operations *fops)
{
@@ -136,7 +114,7 @@ static int armada_debugfs_create(struct dentry *root, struct drm_minor *minor,
de = debugfs_create_file(name, mode, root, minor->dev, fops);
- return drm_add_fake_info_node(minor, de, fops);
+ return drm_debugfs_add_fake_info_node(minor, de, fops);
}
int armada_drm_debugfs_init(struct drm_minor *minor)
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index b4b51d4..1edaac0 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -237,5 +237,29 @@ int drm_debugfs_cleanup(struct drm_minor *minor)
return 0;
}
+int drm_debugfs_add_fake_info_node(struct drm_minor *minor,
+ struct dentry *ent,
+ const void *key)
+{
+ struct drm_info_node *node;
+
+ node = kmalloc(sizeof(*node), GFP_KERNEL);
+ if (node == NULL) {
+ debugfs_remove(ent);
+ return -ENOMEM;
+ }
+
+ node->minor = minor;
+ node->dent = ent;
+ node->info_ent = (void *) key;
+
+ mutex_lock(&minor->debugfs_lock);
+ list_add(&node->list, &minor->debugfs_list);
+ mutex_unlock(&minor->debugfs_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_debugfs_add_fake_info_node);
+
#endif /* CONFIG_DEBUG_FS */
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 430eb3e..f2ef30c 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -51,32 +51,6 @@ static const char *yesno(int v)
return v ? "yes" : "no";
}
-/* As the drm_debugfs_init() routines are called before dev->dev_private is
- * allocated we need to hook into the minor for release. */
-static int
-drm_add_fake_info_node(struct drm_minor *minor,
- struct dentry *ent,
- const void *key)
-{
- struct drm_info_node *node;
-
- node = kmalloc(sizeof(*node), GFP_KERNEL);
- if (node == NULL) {
- debugfs_remove(ent);
- return -ENOMEM;
- }
-
- node->minor = minor;
- node->dent = ent;
- node->info_ent = (void *) key;
-
- mutex_lock(&minor->debugfs_lock);
- list_add(&node->list, &minor->debugfs_list);
- mutex_unlock(&minor->debugfs_lock);
-
- return 0;
-}
-
static int i915_capabilities(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
@@ -2148,7 +2122,7 @@ static int i915_pipe_crc_create(struct dentry *root, struct drm_minor *minor,
if (!ent)
return -ENOMEM;
- return drm_add_fake_info_node(minor, ent, info);
+ return drm_debugfs_add_fake_info_node(minor, ent, info);
}
static const char * const pipe_crc_sources[] = {
@@ -3164,7 +3138,7 @@ static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor)
if (!ent)
return -ENOMEM;
- return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops);
+ return drm_debugfs_add_fake_info_node(minor, ent, &i915_forcewake_fops);
}
static int i915_debugfs_create(struct dentry *root,
@@ -3182,7 +3156,7 @@ static int i915_debugfs_create(struct dentry *root,
if (!ent)
return -ENOMEM;
- return drm_add_fake_info_node(minor, ent, fops);
+ return drm_debugfs_add_fake_info_node(minor, ent, fops);
}
static const struct drm_info_list i915_debugfs_list[] = {
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 2fe9b5d..5788fb1 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1471,6 +1471,9 @@ extern int drm_debugfs_create_files(const struct drm_info_list *files,
extern int drm_debugfs_remove_files(const struct drm_info_list *files,
int count, struct drm_minor *minor);
extern int drm_debugfs_cleanup(struct drm_minor *minor);
+extern int drm_debugfs_add_fake_info_node(struct drm_minor *minor,
+ struct dentry *ent,
+ const void *key);
#else
static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
struct dentry *root)
@@ -1495,6 +1498,12 @@ static inline int drm_debugfs_cleanup(struct drm_minor *minor)
{
return 0;
}
+static int drm_debugfs_add_fake_info_node(struct drm_minor *minor,
+ struct dentry *ent,
+ const void *key)
+{
+ return 0;
+}
#endif
/* Info file support */
--
1.8.5.2
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