1
2
3
4
5
6#include <linux/dmi.h>
7
8#include "intel_display_types.h"
9#include "intel_quirks.h"
10
11
12
13
14static void quirk_ssc_force_disable(struct drm_i915_private *i915)
15{
16 i915->quirks |= QUIRK_LVDS_SSC_DISABLE;
17 drm_info(&i915->drm, "applying lvds SSC disable quirk\n");
18}
19
20
21
22
23
24static void quirk_invert_brightness(struct drm_i915_private *i915)
25{
26 i915->quirks |= QUIRK_INVERT_BRIGHTNESS;
27 drm_info(&i915->drm, "applying inverted panel brightness quirk\n");
28}
29
30
31static void quirk_backlight_present(struct drm_i915_private *i915)
32{
33 i915->quirks |= QUIRK_BACKLIGHT_PRESENT;
34 drm_info(&i915->drm, "applying backlight present quirk\n");
35}
36
37
38
39
40static void quirk_increase_t12_delay(struct drm_i915_private *i915)
41{
42 i915->quirks |= QUIRK_INCREASE_T12_DELAY;
43 drm_info(&i915->drm, "Applying T12 delay quirk\n");
44}
45
46
47
48
49
50static void quirk_increase_ddi_disabled_time(struct drm_i915_private *i915)
51{
52 i915->quirks |= QUIRK_INCREASE_DDI_DISABLED_TIME;
53 drm_info(&i915->drm, "Applying Increase DDI Disabled quirk\n");
54}
55
56struct intel_quirk {
57 int device;
58 int subsystem_vendor;
59 int subsystem_device;
60 void (*hook)(struct drm_i915_private *i915);
61};
62
63
64struct intel_dmi_quirk {
65 void (*hook)(struct drm_i915_private *i915);
66 const struct dmi_system_id (*dmi_id_list)[];
67};
68
69static int intel_dmi_reverse_brightness(const struct dmi_system_id *id)
70{
71 DRM_INFO("Backlight polarity reversed on %s\n", id->ident);
72 return 1;
73}
74
75static const struct intel_dmi_quirk intel_dmi_quirks[] = {
76 {
77 .dmi_id_list = &(const struct dmi_system_id[]) {
78 {
79 .callback = intel_dmi_reverse_brightness,
80 .ident = "NCR Corporation",
81 .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"),
82 DMI_MATCH(DMI_PRODUCT_NAME, ""),
83 },
84 },
85 {
86 .callback = intel_dmi_reverse_brightness,
87 .ident = "Thundersoft TST178 tablet",
88
89 .matches = {DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
90 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
91 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."),
92 DMI_EXACT_MATCH(DMI_BIOS_DATE, "04/15/2014"),
93 },
94 },
95 { }
96 },
97 .hook = quirk_invert_brightness,
98 },
99};
100
101static struct intel_quirk intel_quirks[] = {
102
103 { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable },
104
105
106 { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable },
107
108
109 { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness },
110
111
112 { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness },
113
114
115 { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness },
116
117
118 { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness },
119
120
121 { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },
122
123
124 { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness },
125
126
127 { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present },
128
129
130 { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present },
131
132
133 { 0x27a2, 0x8086, 0x7270, quirk_backlight_present },
134
135
136 { 0x2a02, 0x106b, 0x00a1, quirk_backlight_present },
137
138
139 { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },
140
141
142 { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present },
143
144
145 { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present },
146
147
148 { 0x0a16, 0x1028, 0x0a35, quirk_backlight_present },
149
150
151 { 0x191B, 0x1179, 0xF840, quirk_increase_t12_delay },
152
153
154 { 0x3185, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
155 { 0x3184, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
156
157 { 0x3185, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
158 { 0x3184, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
159};
160
161void intel_init_quirks(struct drm_i915_private *i915)
162{
163 struct pci_dev *d = i915->drm.pdev;
164 int i;
165
166 for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) {
167 struct intel_quirk *q = &intel_quirks[i];
168
169 if (d->device == q->device &&
170 (d->subsystem_vendor == q->subsystem_vendor ||
171 q->subsystem_vendor == PCI_ANY_ID) &&
172 (d->subsystem_device == q->subsystem_device ||
173 q->subsystem_device == PCI_ANY_ID))
174 q->hook(i915);
175 }
176 for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) {
177 if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0)
178 intel_dmi_quirks[i].hook(i915);
179 }
180}
181