1 | // SPDX-License-Identifier: MIT |
2 | /* |
3 | * Copyright © 2018 Intel Corporation |
4 | */ |
5 | |
6 | #include <linux/dmi.h> |
7 | |
8 | #include "i915_drv.h" |
9 | #include "intel_display_types.h" |
10 | #include "intel_quirks.h" |
11 | |
12 | static void intel_set_quirk(struct drm_i915_private *i915, enum intel_quirk_id quirk) |
13 | { |
14 | i915->display.quirks.mask |= BIT(quirk); |
15 | } |
16 | |
17 | /* |
18 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason |
19 | */ |
20 | static void quirk_ssc_force_disable(struct drm_i915_private *i915) |
21 | { |
22 | intel_set_quirk(i915, quirk: QUIRK_LVDS_SSC_DISABLE); |
23 | drm_info(&i915->drm, "applying lvds SSC disable quirk\n" ); |
24 | } |
25 | |
26 | /* |
27 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
28 | * brightness value |
29 | */ |
30 | static void quirk_invert_brightness(struct drm_i915_private *i915) |
31 | { |
32 | intel_set_quirk(i915, quirk: QUIRK_INVERT_BRIGHTNESS); |
33 | drm_info(&i915->drm, "applying inverted panel brightness quirk\n" ); |
34 | } |
35 | |
36 | /* Some VBT's incorrectly indicate no backlight is present */ |
37 | static void quirk_backlight_present(struct drm_i915_private *i915) |
38 | { |
39 | intel_set_quirk(i915, quirk: QUIRK_BACKLIGHT_PRESENT); |
40 | drm_info(&i915->drm, "applying backlight present quirk\n" ); |
41 | } |
42 | |
43 | /* Toshiba Satellite P50-C-18C requires T12 delay to be min 800ms |
44 | * which is 300 ms greater than eDP spec T12 min. |
45 | */ |
46 | static void quirk_increase_t12_delay(struct drm_i915_private *i915) |
47 | { |
48 | intel_set_quirk(i915, quirk: QUIRK_INCREASE_T12_DELAY); |
49 | drm_info(&i915->drm, "Applying T12 delay quirk\n" ); |
50 | } |
51 | |
52 | /* |
53 | * GeminiLake NUC HDMI outputs require additional off time |
54 | * this allows the onboard retimer to correctly sync to signal |
55 | */ |
56 | static void quirk_increase_ddi_disabled_time(struct drm_i915_private *i915) |
57 | { |
58 | intel_set_quirk(i915, quirk: QUIRK_INCREASE_DDI_DISABLED_TIME); |
59 | drm_info(&i915->drm, "Applying Increase DDI Disabled quirk\n" ); |
60 | } |
61 | |
62 | static void quirk_no_pps_backlight_power_hook(struct drm_i915_private *i915) |
63 | { |
64 | intel_set_quirk(i915, quirk: QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK); |
65 | drm_info(&i915->drm, "Applying no pps backlight power quirk\n" ); |
66 | } |
67 | |
68 | struct intel_quirk { |
69 | int device; |
70 | int subsystem_vendor; |
71 | int subsystem_device; |
72 | void (*hook)(struct drm_i915_private *i915); |
73 | }; |
74 | |
75 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
76 | struct intel_dmi_quirk { |
77 | void (*hook)(struct drm_i915_private *i915); |
78 | const struct dmi_system_id (*dmi_id_list)[]; |
79 | }; |
80 | |
81 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) |
82 | { |
83 | DRM_INFO("Backlight polarity reversed on %s\n" , id->ident); |
84 | return 1; |
85 | } |
86 | |
87 | static int intel_dmi_no_pps_backlight(const struct dmi_system_id *id) |
88 | { |
89 | DRM_INFO("No pps backlight support on %s\n" , id->ident); |
90 | return 1; |
91 | } |
92 | |
93 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { |
94 | { |
95 | .dmi_id_list = &(const struct dmi_system_id[]) { |
96 | { |
97 | .callback = intel_dmi_reverse_brightness, |
98 | .ident = "NCR Corporation" , |
99 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation" ), |
100 | DMI_MATCH(DMI_PRODUCT_NAME, "" ), |
101 | }, |
102 | }, |
103 | { |
104 | .callback = intel_dmi_reverse_brightness, |
105 | .ident = "Thundersoft TST178 tablet" , |
106 | /* DMI strings are too generic, also match on BIOS date */ |
107 | .matches = {DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation" ), |
108 | DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB" ), |
109 | DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M." ), |
110 | DMI_EXACT_MATCH(DMI_BIOS_DATE, "04/15/2014" ), |
111 | }, |
112 | }, |
113 | { } /* terminating entry */ |
114 | }, |
115 | .hook = quirk_invert_brightness, |
116 | }, |
117 | { |
118 | .dmi_id_list = &(const struct dmi_system_id[]) { |
119 | { |
120 | .callback = intel_dmi_no_pps_backlight, |
121 | .ident = "Google Lillipup sku524294" , |
122 | .matches = {DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Google" ), |
123 | DMI_EXACT_MATCH(DMI_BOARD_NAME, "Lindar" ), |
124 | DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "sku524294" ), |
125 | }, |
126 | }, |
127 | { |
128 | .callback = intel_dmi_no_pps_backlight, |
129 | .ident = "Google Lillipup sku524295" , |
130 | .matches = {DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Google" ), |
131 | DMI_EXACT_MATCH(DMI_BOARD_NAME, "Lindar" ), |
132 | DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "sku524295" ), |
133 | }, |
134 | }, |
135 | { } |
136 | }, |
137 | .hook = quirk_no_pps_backlight_power_hook, |
138 | }, |
139 | }; |
140 | |
141 | static struct intel_quirk intel_quirks[] = { |
142 | /* Lenovo U160 cannot use SSC on LVDS */ |
143 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, |
144 | |
145 | /* Sony Vaio Y cannot use SSC on LVDS */ |
146 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, |
147 | |
148 | /* Acer Aspire 5734Z must invert backlight brightness */ |
149 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, |
150 | |
151 | /* Acer/eMachines G725 */ |
152 | { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, |
153 | |
154 | /* Acer/eMachines e725 */ |
155 | { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, |
156 | |
157 | /* Acer/Packard Bell NCL20 */ |
158 | { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, |
159 | |
160 | /* Acer Aspire 4736Z */ |
161 | { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, |
162 | |
163 | /* Acer Aspire 5336 */ |
164 | { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, |
165 | |
166 | /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ |
167 | { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, |
168 | |
169 | /* Acer C720 Chromebook (Core i3 4005U) */ |
170 | { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, |
171 | |
172 | /* Apple Macbook 2,1 (Core 2 T7400) */ |
173 | { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, |
174 | |
175 | /* Apple Macbook 4,1 */ |
176 | { 0x2a02, 0x106b, 0x00a1, quirk_backlight_present }, |
177 | |
178 | /* Toshiba CB35 Chromebook (Celeron 2955U) */ |
179 | { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, |
180 | |
181 | /* HP Chromebook 14 (Celeron 2955U) */ |
182 | { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, |
183 | |
184 | /* Dell Chromebook 11 */ |
185 | { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present }, |
186 | |
187 | /* Dell Chromebook 11 (2015 version) */ |
188 | { 0x0a16, 0x1028, 0x0a35, quirk_backlight_present }, |
189 | |
190 | /* Toshiba Satellite P50-C-18C */ |
191 | { 0x191B, 0x1179, 0xF840, quirk_increase_t12_delay }, |
192 | |
193 | /* GeminiLake NUC */ |
194 | { 0x3185, 0x8086, 0x2072, quirk_increase_ddi_disabled_time }, |
195 | { 0x3184, 0x8086, 0x2072, quirk_increase_ddi_disabled_time }, |
196 | /* ASRock ITX*/ |
197 | { 0x3185, 0x1849, 0x2212, quirk_increase_ddi_disabled_time }, |
198 | { 0x3184, 0x1849, 0x2212, quirk_increase_ddi_disabled_time }, |
199 | /* ECS Liva Q2 */ |
200 | { 0x3185, 0x1019, 0xa94d, quirk_increase_ddi_disabled_time }, |
201 | { 0x3184, 0x1019, 0xa94d, quirk_increase_ddi_disabled_time }, |
202 | /* HP Notebook - 14-r206nv */ |
203 | { 0x0f31, 0x103c, 0x220f, quirk_invert_brightness }, |
204 | }; |
205 | |
206 | void intel_init_quirks(struct drm_i915_private *i915) |
207 | { |
208 | struct pci_dev *d = to_pci_dev(i915->drm.dev); |
209 | int i; |
210 | |
211 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { |
212 | struct intel_quirk *q = &intel_quirks[i]; |
213 | |
214 | if (d->device == q->device && |
215 | (d->subsystem_vendor == q->subsystem_vendor || |
216 | q->subsystem_vendor == PCI_ANY_ID) && |
217 | (d->subsystem_device == q->subsystem_device || |
218 | q->subsystem_device == PCI_ANY_ID)) |
219 | q->hook(i915); |
220 | } |
221 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
222 | if (dmi_check_system(list: *intel_dmi_quirks[i].dmi_id_list) != 0) |
223 | intel_dmi_quirks[i].hook(i915); |
224 | } |
225 | } |
226 | |
227 | bool intel_has_quirk(struct drm_i915_private *i915, enum intel_quirk_id quirk) |
228 | { |
229 | return i915->display.quirks.mask & BIT(quirk); |
230 | } |
231 | |