amdgpu_dm_quirks.c

  1// SPDX-License-Identifier: MIT
  2/*
  3 * Copyright 2025 Advanced Micro Devices, Inc.
  4 *
  5 * Permission is hereby granted, free of charge, to any person obtaining a
  6 * copy of this software and associated documentation files (the "Software"),
  7 * to deal in the Software without restriction, including without limitation
  8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  9 * and/or sell copies of the Software, and to permit persons to whom the
 10 * Software is furnished to do so, subject to the following conditions:
 11 *
 12 * The above copyright notice and this permission notice shall be included in
 13 * all copies or substantial portions of the Software.
 14 *
 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 21 * OTHER DEALINGS IN THE SOFTWARE.
 22 *
 23 * Authors: AMD
 24 *
 25 */
 26
 27#include <linux/dmi.h>
 28
 29#include "amdgpu.h"
 30#include "amdgpu_dm.h"
 31
 32struct amdgpu_dm_quirks {
 33	bool aux_hpd_discon;
 34	bool support_edp0_on_dp1;
 35};
 36
 37static struct amdgpu_dm_quirks quirk_entries = {
 38	.aux_hpd_discon = false,
 39	.support_edp0_on_dp1 = false
 40};
 41
 42static int edp0_on_dp1_callback(const struct dmi_system_id *id)
 43{
 44	quirk_entries.support_edp0_on_dp1 = true;
 45	return 0;
 46}
 47
 48static int aux_hpd_discon_callback(const struct dmi_system_id *id)
 49{
 50	quirk_entries.aux_hpd_discon = true;
 51	return 0;
 52}
 53
 54static const struct dmi_system_id dmi_quirk_table[] = {
 55	{
 56		.callback = aux_hpd_discon_callback,
 57		.matches = {
 58			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 59			DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3660"),
 60		},
 61	},
 62	{
 63		.callback = aux_hpd_discon_callback,
 64		.matches = {
 65			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 66			DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3260"),
 67		},
 68	},
 69	{
 70		.callback = aux_hpd_discon_callback,
 71		.matches = {
 72			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 73			DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3460"),
 74		},
 75	},
 76	{
 77		.callback = aux_hpd_discon_callback,
 78		.matches = {
 79			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 80			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Tower Plus 7010"),
 81		},
 82	},
 83	{
 84		.callback = aux_hpd_discon_callback,
 85		.matches = {
 86			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 87			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Tower 7010"),
 88		},
 89	},
 90	{
 91		.callback = aux_hpd_discon_callback,
 92		.matches = {
 93			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
 94			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex SFF Plus 7010"),
 95		},
 96	},
 97	{
 98		.callback = aux_hpd_discon_callback,
 99		.matches = {
100			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
101			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex SFF 7010"),
102		},
103	},
104	{
105		.callback = aux_hpd_discon_callback,
106		.matches = {
107			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
108			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Micro Plus 7010"),
109		},
110	},
111	{
112		.callback = aux_hpd_discon_callback,
113		.matches = {
114			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
115			DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Micro 7010"),
116		},
117	},
118	{
119		.callback = edp0_on_dp1_callback,
120		.matches = {
121			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
122			DMI_MATCH(DMI_PRODUCT_NAME, "HP Elite mt645 G8 Mobile Thin Client"),
123		},
124	},
125	{
126		.callback = edp0_on_dp1_callback,
127		.matches = {
128			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
129			DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 645 14 inch G11 Notebook PC"),
130		},
131	},
132	{
133		.callback = edp0_on_dp1_callback,
134		.matches = {
135			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
136			DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 665 16 inch G11 Notebook PC"),
137		},
138	},
139	{
140		.callback = edp0_on_dp1_callback,
141		.matches = {
142			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
143			DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook 445 14 inch G11 Notebook PC"),
144		},
145	},
146	{
147		.callback = edp0_on_dp1_callback,
148		.matches = {
149			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
150			DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook 465 16 inch G11 Notebook PC"),
151		},
152	},
153	{}
154	/* TODO: refactor this from a fixed table to a dynamic option */
155};
156
157void retrieve_dmi_info(struct amdgpu_display_manager *dm)
158{
159	struct drm_device *dev = dm->ddev;
160	int dmi_id;
161
162	dm->aux_hpd_discon_quirk = false;
163	dm->edp0_on_dp1_quirk = false;
164
165	dmi_id = dmi_check_system(dmi_quirk_table);
166
167	if (!dmi_id)
168		return;
169
170	if (quirk_entries.aux_hpd_discon) {
171		dm->aux_hpd_discon_quirk = true;
172		drm_info(dev, "aux_hpd_discon_quirk attached\n");
173	}
174	if (quirk_entries.support_edp0_on_dp1) {
175		dm->edp0_on_dp1_quirk = true;
176		drm_info(dev, "support_edp0_on_dp1 attached\n");
177	}
178}