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brintos / linux-shallow public Read only

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1// SPDX-License-Identifier: GPL-2.0-only OR MIT2/* Copyright (c) 2023 Imagination Technologies Ltd. */3 4#include "pvr_debugfs.h"5 6#include "pvr_device.h"7#include "pvr_fw_trace.h"8#include "pvr_params.h"9 10#include <linux/dcache.h>11#include <linux/debugfs.h>12#include <linux/err.h>13#include <linux/kernel.h>14#include <linux/types.h>15 16#include <drm/drm_device.h>17#include <drm/drm_file.h>18#include <drm/drm_print.h>19 20static const struct pvr_debugfs_entry pvr_debugfs_entries[] = {21	{"pvr_params", pvr_params_debugfs_init},22	{"pvr_fw", pvr_fw_trace_debugfs_init},23};24 25void26pvr_debugfs_init(struct drm_minor *minor)27{28	struct drm_device *drm_dev = minor->dev;29	struct pvr_device *pvr_dev = to_pvr_device(drm_dev);30	struct dentry *root = minor->debugfs_root;31	size_t i;32 33	for (i = 0; i < ARRAY_SIZE(pvr_debugfs_entries); ++i) {34		const struct pvr_debugfs_entry *entry = &pvr_debugfs_entries[i];35		struct dentry *dir;36 37		dir = debugfs_create_dir(entry->name, root);38		if (IS_ERR(dir)) {39			drm_warn(drm_dev,40				 "failed to create debugfs dir '%s' (err=%d)",41				 entry->name, (int)PTR_ERR(dir));42			continue;43		}44 45		entry->init(pvr_dev, dir);46	}47}48 49/*50 * Since all entries are created under &drm_minor->debugfs_root, there's no51 * need for a pvr_debugfs_fini() as DRM will clean up everything under its root52 * automatically.53 */54