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path: root/drivers/gpu/drm/drm_proc.c
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Diffstat (limited to 'drivers/gpu/drm/drm_proc.c')
-rw-r--r--drivers/gpu/drm/drm_proc.c135
1 files changed, 122 insertions, 13 deletions
diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index 93b1e0475c9..ae73b7f7249 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -49,6 +49,10 @@ static int drm_queues_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data);
static int drm_bufs_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data);
+static int drm_gem_name_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data);
+static int drm_gem_object_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data);
#if DRM_DEBUG_CODE
static int drm_vma_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data);
@@ -60,13 +64,16 @@ static int drm_vma_info(char *buf, char **start, off_t offset,
static struct drm_proc_list {
const char *name; /**< file name */
int (*f) (char *, char **, off_t, int, int *, void *); /**< proc callback*/
+ u32 driver_features; /**< Required driver features for this entry */
} drm_proc_list[] = {
- {"name", drm_name_info},
- {"mem", drm_mem_info},
- {"vm", drm_vm_info},
- {"clients", drm_clients_info},
- {"queues", drm_queues_info},
- {"bufs", drm_bufs_info},
+ {"name", drm_name_info, 0},
+ {"mem", drm_mem_info, 0},
+ {"vm", drm_vm_info, 0},
+ {"clients", drm_clients_info, 0},
+ {"queues", drm_queues_info, 0},
+ {"bufs", drm_bufs_info, 0},
+ {"gem_names", drm_gem_name_info, DRIVER_GEM},
+ {"gem_objects", drm_gem_object_info, DRIVER_GEM},
#if DRM_DEBUG_CODE
{"vma", drm_vma_info},
#endif
@@ -90,8 +97,9 @@ static struct drm_proc_list {
int drm_proc_init(struct drm_minor *minor, int minor_id,
struct proc_dir_entry *root)
{
+ struct drm_device *dev = minor->dev;
struct proc_dir_entry *ent;
- int i, j;
+ int i, j, ret;
char name[64];
sprintf(name, "%d", minor_id);
@@ -102,23 +110,42 @@ int drm_proc_init(struct drm_minor *minor, int minor_id,
}
for (i = 0; i < DRM_PROC_ENTRIES; i++) {
+ u32 features = drm_proc_list[i].driver_features;
+
+ if (features != 0 &&
+ (dev->driver->driver_features & features) != features)
+ continue;
+
ent = create_proc_entry(drm_proc_list[i].name,
S_IFREG | S_IRUGO, minor->dev_root);
if (!ent) {
DRM_ERROR("Cannot create /proc/dri/%s/%s\n",
name, drm_proc_list[i].name);
- for (j = 0; j < i; j++)
- remove_proc_entry(drm_proc_list[i].name,
- minor->dev_root);
- remove_proc_entry(name, root);
- minor->dev_root = NULL;
- return -1;
+ ret = -1;
+ goto fail;
}
ent->read_proc = drm_proc_list[i].f;
ent->data = minor;
}
+ if (dev->driver->proc_init) {
+ ret = dev->driver->proc_init(minor);
+ if (ret) {
+ DRM_ERROR("DRM: Driver failed to initialize "
+ "/proc/dri.\n");
+ goto fail;
+ }
+ }
+
return 0;
+ fail:
+
+ for (j = 0; j < i; j++)
+ remove_proc_entry(drm_proc_list[i].name,
+ minor->dev_root);
+ remove_proc_entry(name, root);
+ minor->dev_root = NULL;
+ return ret;
}
/**
@@ -133,12 +160,16 @@ int drm_proc_init(struct drm_minor *minor, int minor_id,
*/
int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root)
{
+ struct drm_device *dev = minor->dev;
int i;
char name[64];
if (!root || !minor->dev_root)
return 0;
+ if (dev->driver->proc_cleanup)
+ dev->driver->proc_cleanup(minor);
+
for (i = 0; i < DRM_PROC_ENTRIES; i++)
remove_proc_entry(drm_proc_list[i].name, minor->dev_root);
sprintf(name, "%d", minor->index);
@@ -480,6 +511,84 @@ static int drm_clients_info(char *buf, char **start, off_t offset,
return ret;
}
+struct drm_gem_name_info_data {
+ int len;
+ char *buf;
+ int eof;
+};
+
+static int drm_gem_one_name_info(int id, void *ptr, void *data)
+{
+ struct drm_gem_object *obj = ptr;
+ struct drm_gem_name_info_data *nid = data;
+
+ DRM_INFO("name %d size %zd\n", obj->name, obj->size);
+ if (nid->eof)
+ return 0;
+
+ nid->len += sprintf(&nid->buf[nid->len],
+ "%6d %8zd %7d %8d\n",
+ obj->name, obj->size,
+ atomic_read(&obj->handlecount.refcount),
+ atomic_read(&obj->refcount.refcount));
+ if (nid->len > DRM_PROC_LIMIT) {
+ nid->eof = 1;
+ return 0;
+ }
+ return 0;
+}
+
+static int drm_gem_name_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data)
+{
+ struct drm_minor *minor = (struct drm_minor *) data;
+ struct drm_device *dev = minor->dev;
+ struct drm_gem_name_info_data nid;
+
+ if (offset > DRM_PROC_LIMIT) {
+ *eof = 1;
+ return 0;
+ }
+
+ nid.len = sprintf(buf, " name size handles refcount\n");
+ nid.buf = buf;
+ nid.eof = 0;
+ idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, &nid);
+
+ *start = &buf[offset];
+ *eof = 0;
+ if (nid.len > request + offset)
+ return request;
+ *eof = 1;
+ return nid.len - offset;
+}
+
+static int drm_gem_object_info(char *buf, char **start, off_t offset,
+ int request, int *eof, void *data)
+{
+ struct drm_minor *minor = (struct drm_minor *) data;
+ struct drm_device *dev = minor->dev;
+ int len = 0;
+
+ if (offset > DRM_PROC_LIMIT) {
+ *eof = 1;
+ return 0;
+ }
+
+ *start = &buf[offset];
+ *eof = 0;
+ DRM_PROC_PRINT("%d objects\n", atomic_read(&dev->object_count));
+ DRM_PROC_PRINT("%d object bytes\n", atomic_read(&dev->object_memory));
+ DRM_PROC_PRINT("%d pinned\n", atomic_read(&dev->pin_count));
+ DRM_PROC_PRINT("%d pin bytes\n", atomic_read(&dev->pin_memory));
+ DRM_PROC_PRINT("%d gtt bytes\n", atomic_read(&dev->gtt_memory));
+ DRM_PROC_PRINT("%d gtt total\n", dev->gtt_total);
+ if (len > request + offset)
+ return request;
+ *eof = 1;
+ return len - offset;
+}
+
#if DRM_DEBUG_CODE
static int drm__vma_info(char *buf, char **start, off_t offset, int request,
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 14:50:52 +0000