drm/vc4: Add gem_info node via debugfs for vc5

[platform/kernel/linux-rpi.git] / drivers / gpu / drm / vc4 / vc4_debugfs.c

diff --git a/drivers/gpu/drm/vc4/vc4_debugfs.c b/drivers/gpu/drm/vc4/vc4_debugfs.c
index 19cda4f..f64eaee 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_debugfs.c
+++ b/drivers/gpu/drm/vc4/vc4_debugfs.c
@@ -26,6 +26,10 @@ vc4_debugfs_init(struct drm_minor *minor)
 
        drm_WARN_ON(drm, vc4_hvs_debugfs_init(minor));
 
+       if (vc4->is_vc5) {
+               drm_WARN_ON(drm, vc5_bo_debugfs_init(minor));
+       }
+
        if (vc4->v3d) {
                drm_WARN_ON(drm, vc4_bo_debugfs_init(minor));
                drm_WARN_ON(drm, vc4_v3d_debugfs_init(minor));
@@ -50,6 +54,76 @@ static int vc4_debugfs_regset32(struct seq_file *m, void *unused)
        return 0;
 }
 
+struct vc5_gem_info_data {
+       struct drm_file *filp;
+       struct seq_file *m;
+};
+
+static int vc5_gem_one_info(int id, void *ptr, void *data)
+{
+
+       struct drm_gem_object *obj = (struct drm_gem_object *)ptr;
+       struct vc5_gem_info_data *gem_info_data = data;
+       struct vc4_file *vc4file = gem_info_data->filp->driver_priv;
+       struct drm_vc5_file_private *file_priv = &vc4file->priv;
+
+       if (!obj) {
+               DRM_ERROR("failed to get drm_gem_object\n");
+               return -EFAULT;
+       }
+
+       drm_gem_object_get(obj);
+
+       seq_printf(gem_info_data->m,
+                       "%5d\t%5d\t%4d\t%4d\t\t%4d\t0x%08zx\t0x%x\t%4d\t%4d\t\t"
+                       "%4d\t\t0x%p\t%6d\n",
+                       file_priv->pid,
+                       file_priv->tgid,
+                       id,
+                       kref_read(&obj->refcount) - 1,
+                       obj->handle_count,
+                       obj->size,
+                       0,
+                       0,
+                       obj->dma_buf ? 1 : 0,
+                       obj->import_attach ? 1 : 0,
+                       obj,
+                       obj->name);
+
+       drm_gem_object_put(obj);
+
+       return 0;
+}
+
+int vc5_debugfs_gem_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 *drm_dev = minor->dev;
+       struct vc5_gem_info_data gem_info_data;
+       struct drm_file *filp;
+
+       gem_info_data.m = m;
+
+       seq_puts(gem_info_data.m,
+                       "pid\ttgid\thandle\trefcount\thcount\tsize\t\tflags\t"
+                       "pfnmap\texport_to_fd\timport_from_fd\tobj_addr\t\t"
+                       "name\n");
+
+       mutex_lock(&drm_dev->struct_mutex);
+       list_for_each_entry(filp, &drm_dev->filelist, lhead) {
+               gem_info_data.filp = filp;
+
+               spin_lock(&filp->table_lock);
+               idr_for_each(&filp->object_idr, vc5_gem_one_info,
+                               &gem_info_data);
+               spin_unlock(&filp->table_lock);
+       }
+       mutex_unlock(&drm_dev->struct_mutex);
+
+       return 0;
+}
+
 int vc4_debugfs_add_file(struct drm_minor *minor,
                         const char *name,
                         int (*show)(struct seq_file*, void*),