drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.c

   1 // SPDX-License-Identifier: MIT
   2 /*
   3  * Copyright © 2020 Intel Corporation
   4  */
   5
   6 #include <drm/drm_print.h>
   7
   8 #include "gt/debugfs_gt.h"
   9 #include "intel_huc.h"
  10 #include "intel_huc_debugfs.h"
  11
  12 static int huc_info_show(struct seq_file *m, void *data)
  13 {
  14         struct intel_huc *huc = m->private;
  15         struct drm_printer p = drm_seq_file_printer(m);
  16
  17         if (!intel_huc_is_supported(huc))
  18                 return -ENODEV;
  19
  20         intel_huc_load_status(huc, &p);
  21
  22         return 0;
  23 }
  24 DEFINE_GT_DEBUGFS_ATTRIBUTE(huc_info);
  25
  26 void intel_huc_debugfs_register(struct intel_huc *huc, struct dentry *root)
  27 {
  28         static const struct debugfs_gt_file files[] = {
  29                 { "huc_info", &huc_info_fops, NULL },
  30         };
  31
  32         if (!intel_huc_is_supported(huc))
  33                 return;
  34
  35         intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), huc);
  36 }