LXR linux/drivers/gpu/drm/i915/gt/uc/intel_uc

   1// SPDX-License-Identifier: MIT
   2/*
   3 * Copyright © 2020 Intel Corporation
   4 */
   5
   6#include <linux/debugfs.h>
   7#include <drm/drm_print.h>
   8
   9#include "gt/debugfs_gt.h"
  10#include "intel_guc_debugfs.h"
  11#include "intel_huc_debugfs.h"
  12#include "intel_uc.h"
  13#include "intel_uc_debugfs.h"
  14
  15static int uc_usage_show(struct seq_file *m, void *data)
  16{
  17        struct intel_uc *uc = m->private;
  18        struct drm_printer p = drm_seq_file_printer(m);
  19
  20        drm_printf(&p, "[guc] supported:%s wanted:%s used:%s\n",
  21                   yesno(intel_uc_supports_guc(uc)),
  22                   yesno(intel_uc_wants_guc(uc)),
  23                   yesno(intel_uc_uses_guc(uc)));
  24        drm_printf(&p, "[huc] supported:%s wanted:%s used:%s\n",
  25                   yesno(intel_uc_supports_huc(uc)),
  26                   yesno(intel_uc_wants_huc(uc)),
  27                   yesno(intel_uc_uses_huc(uc)));
  28        drm_printf(&p, "[submission] supported:%s wanted:%s used:%s\n",
  29                   yesno(intel_uc_supports_guc_submission(uc)),
  30                   yesno(intel_uc_wants_guc_submission(uc)),
  31                   yesno(intel_uc_uses_guc_submission(uc)));
  32
  33        return 0;
  34}
  35DEFINE_GT_DEBUGFS_ATTRIBUTE(uc_usage);
  36
  37void intel_uc_debugfs_register(struct intel_uc *uc, struct dentry *gt_root)
  38{
  39        static const struct debugfs_gt_file files[] = {
  40                { "usage", &uc_usage_fops, NULL },
  41        };
  42        struct dentry *root;
  43
  44        if (!gt_root)
  45                return;
  46
  47        /* GuC and HuC go always in pair, no need to check both */
  48        if (!intel_uc_supports_guc(uc))
  49                return;
  50
  51        root = debugfs_create_dir("uc", gt_root);
  52        if (IS_ERR(root))
  53                return;
  54
  55        intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), uc);
  56
  57        intel_guc_debugfs_register(&uc->guc, root);
  58        intel_huc_debugfs_register(&uc->huc, root);
  59}
  60