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// SPDX-License-Identifier: MIT
/*
* Copyright 2025 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include <linux/dmi.h>
#include "amdgpu.h"
#include "amdgpu_dm.h"
struct amdgpu_dm_quirks {
bool aux_hpd_discon;
bool support_edp0_on_dp1;
};
static struct amdgpu_dm_quirks quirk_entries = {
.aux_hpd_discon = false,
.support_edp0_on_dp1 = false
};
static int edp0_on_dp1_callback(const struct dmi_system_id *id)
{
quirk_entries.support_edp0_on_dp1 = true;
return 0;
}
static int aux_hpd_discon_callback(const struct dmi_system_id *id)
{
quirk_entries.aux_hpd_discon = true;
return 0;
}
static const struct dmi_system_id dmi_quirk_table[] = {
{
.callback = aux_hpd_discon_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3660"),
},
},
{
.callback = aux_hpd_discon_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3260"),
},
},
{
.callback = aux_hpd_discon_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3460"),
},
},
{
.callback = aux_hpd_discon_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Tower Plus 7010"),
},
},
{
.callback = aux_hpd_discon_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Tower 7010"),
},
},
{
.callback = aux_hpd_discon_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex SFF Plus 7010"),
},
},
{
.callback = aux_hpd_discon_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex SFF 7010"),
},
},
{
.callback = aux_hpd_discon_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Micro Plus 7010"),
},
},
{
.callback = aux_hpd_discon_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex Micro 7010"),
},
},
{
.callback = edp0_on_dp1_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "HP"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP Elite mt645 G8 Mobile Thin Client"),
},
},
{
.callback = edp0_on_dp1_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "HP"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 645 14 inch G11 Notebook PC"),
},
},
{
.callback = edp0_on_dp1_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "HP"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 665 16 inch G11 Notebook PC"),
},
},
{
.callback = edp0_on_dp1_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "HP"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook 445 14 inch G11 Notebook PC"),
},
},
{
.callback = edp0_on_dp1_callback,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "HP"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook 465 16 inch G11 Notebook PC"),
},
},
{}
/* TODO: refactor this from a fixed table to a dynamic option */
};
void retrieve_dmi_info(struct amdgpu_display_manager *dm)
{
struct drm_device *dev = dm->ddev;
int dmi_id;
dm->aux_hpd_discon_quirk = false;
dm->edp0_on_dp1_quirk = false;
dmi_id = dmi_check_system(dmi_quirk_table);
if (!dmi_id)
return;
if (quirk_entries.aux_hpd_discon) {
dm->aux_hpd_discon_quirk = true;
drm_info(dev, "aux_hpd_discon_quirk attached\n");
}
if (quirk_entries.support_edp0_on_dp1) {
dm->edp0_on_dp1_quirk = true;
drm_info(dev, "support_edp0_on_dp1 attached\n");
}
}
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