1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
// SPDX-License-Identifier: MIT
/*
* Copyright © 2018 Intel Corporation
*/
#include <linux/dmi.h>
#include "intel_display_types.h"
#include "intel_quirks.h"
/*
* Some machines (Lenovo U160) do not work with SSC on LVDS for some reason
*/
static void quirk_ssc_force_disable(struct drm_i915_private *i915)
{
i915->quirks |= QUIRK_LVDS_SSC_DISABLE;
drm_info(&i915->drm, "applying lvds SSC disable quirk\n");
}
/*
* A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight
* brightness value
*/
static void quirk_invert_brightness(struct drm_i915_private *i915)
{
i915->quirks |= QUIRK_INVERT_BRIGHTNESS;
drm_info(&i915->drm, "applying inverted panel brightness quirk\n");
}
/* Some VBT's incorrectly indicate no backlight is present */
static void quirk_backlight_present(struct drm_i915_private *i915)
{
i915->quirks |= QUIRK_BACKLIGHT_PRESENT;
drm_info(&i915->drm, "applying backlight present quirk\n");
}
/* Toshiba Satellite P50-C-18C requires T12 delay to be min 800ms
* which is 300 ms greater than eDP spec T12 min.
*/
static void quirk_increase_t12_delay(struct drm_i915_private *i915)
{
i915->quirks |= QUIRK_INCREASE_T12_DELAY;
drm_info(&i915->drm, "Applying T12 delay quirk\n");
}
/*
* GeminiLake NUC HDMI outputs require additional off time
* this allows the onboard retimer to correctly sync to signal
*/
static void quirk_increase_ddi_disabled_time(struct drm_i915_private *i915)
{
i915->quirks |= QUIRK_INCREASE_DDI_DISABLED_TIME;
drm_info(&i915->drm, "Applying Increase DDI Disabled quirk\n");
}
static void quirk_no_pps_backlight_power_hook(struct drm_i915_private *i915)
{
i915->quirks |= QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK;
drm_info(&i915->drm, "Applying no pps backlight power quirk\n");
}
struct intel_quirk {
int device;
int subsystem_vendor;
int subsystem_device;
void (*hook)(struct drm_i915_private *i915);
};
/* For systems that don't have a meaningful PCI subdevice/subvendor ID */
struct intel_dmi_quirk {
void (*hook)(struct drm_i915_private *i915);
const struct dmi_system_id (*dmi_id_list)[];
};
static int intel_dmi_reverse_brightness(const struct dmi_system_id *id)
{
DRM_INFO("Backlight polarity reversed on %s\n", id->ident);
return 1;
}
static int intel_dmi_no_pps_backlight(const struct dmi_system_id *id)
{
DRM_INFO("No pps backlight support on %s\n", id->ident);
return 1;
}
static const struct intel_dmi_quirk intel_dmi_quirks[] = {
{
.dmi_id_list = &(const struct dmi_system_id[]) {
{
.callback = intel_dmi_reverse_brightness,
.ident = "NCR Corporation",
.matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, ""),
},
},
{
.callback = intel_dmi_reverse_brightness,
.ident = "Thundersoft TST178 tablet",
/* DMI strings are too generic, also match on BIOS date */
.matches = {DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."),
DMI_EXACT_MATCH(DMI_BIOS_DATE, "04/15/2014"),
},
},
{ } /* terminating entry */
},
.hook = quirk_invert_brightness,
},
{
.dmi_id_list = &(const struct dmi_system_id[]) {
{
.callback = intel_dmi_no_pps_backlight,
.ident = "Google Lillipup sku524294",
.matches = {DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Google"),
DMI_EXACT_MATCH(DMI_BOARD_NAME, "Lindar"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "sku524294"),
},
},
{
.callback = intel_dmi_no_pps_backlight,
.ident = "Google Lillipup sku524295",
.matches = {DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Google"),
DMI_EXACT_MATCH(DMI_BOARD_NAME, "Lindar"),
DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "sku524295"),
},
},
{ }
},
.hook = quirk_no_pps_backlight_power_hook,
},
};
static struct intel_quirk intel_quirks[] = {
/* Lenovo U160 cannot use SSC on LVDS */
{ 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable },
/* Sony Vaio Y cannot use SSC on LVDS */
{ 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable },
/* Acer Aspire 5734Z must invert backlight brightness */
{ 0x2a42, 0x1025, 0x0459, quirk_invert_brightness },
/* Acer/eMachines G725 */
{ 0x2a42, 0x1025, 0x0210, quirk_invert_brightness },
/* Acer/eMachines e725 */
{ 0x2a42, 0x1025, 0x0212, quirk_invert_brightness },
/* Acer/Packard Bell NCL20 */
{ 0x2a42, 0x1025, 0x034b, quirk_invert_brightness },
/* Acer Aspire 4736Z */
{ 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },
/* Acer Aspire 5336 */
{ 0x2a42, 0x1025, 0x048a, quirk_invert_brightness },
/* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */
{ 0x0a06, 0x1025, 0x0a11, quirk_backlight_present },
/* Acer C720 Chromebook (Core i3 4005U) */
{ 0x0a16, 0x1025, 0x0a11, quirk_backlight_present },
/* Apple Macbook 2,1 (Core 2 T7400) */
{ 0x27a2, 0x8086, 0x7270, quirk_backlight_present },
/* Apple Macbook 4,1 */
{ 0x2a02, 0x106b, 0x00a1, quirk_backlight_present },
/* Toshiba CB35 Chromebook (Celeron 2955U) */
{ 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },
/* HP Chromebook 14 (Celeron 2955U) */
{ 0x0a06, 0x103c, 0x21ed, quirk_backlight_present },
/* Dell Chromebook 11 */
{ 0x0a06, 0x1028, 0x0a35, quirk_backlight_present },
/* Dell Chromebook 11 (2015 version) */
{ 0x0a16, 0x1028, 0x0a35, quirk_backlight_present },
/* Toshiba Satellite P50-C-18C */
{ 0x191B, 0x1179, 0xF840, quirk_increase_t12_delay },
/* GeminiLake NUC */
{ 0x3185, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
{ 0x3184, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
/* ASRock ITX*/
{ 0x3185, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
{ 0x3184, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
};
void intel_init_quirks(struct drm_i915_private *i915)
{
struct pci_dev *d = to_pci_dev(i915->drm.dev);
int i;
for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) {
struct intel_quirk *q = &intel_quirks[i];
if (d->device == q->device &&
(d->subsystem_vendor == q->subsystem_vendor ||
q->subsystem_vendor == PCI_ANY_ID) &&
(d->subsystem_device == q->subsystem_device ||
q->subsystem_device == PCI_ANY_ID))
q->hook(i915);
}
for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) {
if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0)
intel_dmi_quirks[i].hook(i915);
}
}
|
