// SPDX-License-Identifier: GPL-2.0-only OR MIT /* Copyright (c) 2023 Imagination Technologies Ltd. */ #include "pvr_debugfs.h" #include "pvr_device.h" #include "pvr_fw_trace.h" #include "pvr_params.h" #include <linux/dcache.h> #include <linux/debugfs.h> #include <linux/err.h> #include <linux/kernel.h> #include <linux/types.h> #include <drm/drm_device.h> #include <drm/drm_file.h> #include <drm/drm_print.h> static const struct pvr_debugfs_entry pvr_debugfs_entries[] = { {"pvr_params", pvr_params_debugfs_init}, {"pvr_fw", pvr_fw_trace_debugfs_init}, }; void pvr_debugfs_init(struct drm_minor *minor) { struct drm_device *drm_dev = minor->dev; struct pvr_device *pvr_dev = to_pvr_device(drm_dev); struct dentry *root = minor->debugfs_root; for (size_t i = 0; i < ARRAY_SIZE(pvr_debugfs_entries); ++i) { const struct pvr_debugfs_entry *entry = &pvr_debugfs_entries[i]; struct dentry *dir; dir = debugfs_create_dir(entry->name, root); if (IS_ERR(dir)) { drm_warn(drm_dev, "failed to create debugfs dir '%s' (err=%d)", entry->name, (int)PTR_ERR(dir)); continue; } entry->init(pvr_dev, dir); } } /* * Since all entries are created under &drm_minor->debugfs_root, there's no * need for a pvr_debugfs_fini() as DRM will clean up everything under its root * automatically. */