drivers/platform/x86/amd/pmf/pmf-quirks.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * AMD Platform Management Framework Driver Quirks
   4  *
   5  * Copyright (c) 2024, Advanced Micro Devices, Inc.
   6  * All Rights Reserved.
   7  *
   8  * Author: Mario Limonciello <[email protected]>
   9  */
  10
  11 #include <linux/dmi.h>
  12
  13 #include "pmf.h"
  14
  15 struct quirk_entry {
  16         u32 supported_func;
  17 };
  18
  19 static struct quirk_entry quirk_no_sps_bug = {
  20         .supported_func = 0x4003,
  21 };
  22
  23 static const struct dmi_system_id fwbug_list[] = {
  24         {
  25                 .ident = "ROG Zephyrus G14",
  26                 .matches = {
  27                         DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  28                         DMI_MATCH(DMI_PRODUCT_NAME, "GA403UV"),
  29                 },
  30                 .driver_data = &quirk_no_sps_bug,
  31         },
  32         {}
  33 };
  34
  35 void amd_pmf_quirks_init(struct amd_pmf_dev *dev)
  36 {
  37         const struct dmi_system_id *dmi_id;
  38         struct quirk_entry *quirks;
  39
  40         dmi_id = dmi_first_match(fwbug_list);
  41         if (!dmi_id)
  42                 return;
  43
  44         quirks = dmi_id->driver_data;
  45         if (quirks->supported_func) {
  46                 dev->supported_func = quirks->supported_func;
  47                 pr_info("Using supported funcs quirk to avoid %s platform firmware bug\n",
  48                         dmi_id->ident);
  49         }
  50 }
  51