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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
12static 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 */
20static void quirk_ssc_force_disable(struct drm_i915_private *i915)
21{
22 intel_set_quirk(i915, 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 */
30static void quirk_invert_brightness(struct drm_i915_private *i915)
31{
32 intel_set_quirk(i915, 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 */
37static void quirk_backlight_present(struct drm_i915_private *i915)
38{
39 intel_set_quirk(i915, 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 */
46static void quirk_increase_t12_delay(struct drm_i915_private *i915)
47{
48 intel_set_quirk(i915, 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 */
56static void quirk_increase_ddi_disabled_time(struct drm_i915_private *i915)
57{
58 intel_set_quirk(i915, QUIRK_INCREASE_DDI_DISABLED_TIME);
59 drm_info(&i915->drm, "Applying Increase DDI Disabled quirk\n");
60}
61
62static void quirk_no_pps_backlight_power_hook(struct drm_i915_private *i915)
63{
64 intel_set_quirk(i915, QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK);
65 drm_info(&i915->drm, "Applying no pps backlight power quirk\n");
66}
67
68struct 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 */
76struct intel_dmi_quirk {
77 void (*hook)(struct drm_i915_private *i915);
78 const struct dmi_system_id (*dmi_id_list)[];
79};
80
81static 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
87static 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
93static 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
141static 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
206void 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(*intel_dmi_quirks[i].dmi_id_list) != 0)
223 intel_dmi_quirks[i].hook(i915);
224 }
225}
226
227bool intel_has_quirk(struct drm_i915_private *i915, enum intel_quirk_id quirk)
228{
229 return i915->display.quirks.mask & BIT(quirk);
230}
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
12static void intel_set_quirk(struct intel_display *display, enum intel_quirk_id quirk)
13{
14 display->quirks.mask |= BIT(quirk);
15}
16
17static void intel_set_dpcd_quirk(struct intel_dp *intel_dp, enum intel_quirk_id quirk)
18{
19 intel_dp->quirks.mask |= BIT(quirk);
20}
21
22/*
23 * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason
24 */
25static void quirk_ssc_force_disable(struct intel_display *display)
26{
27 intel_set_quirk(display, QUIRK_LVDS_SSC_DISABLE);
28 drm_info(display->drm, "applying lvds SSC disable quirk\n");
29}
30
31/*
32 * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight
33 * brightness value
34 */
35static void quirk_invert_brightness(struct intel_display *display)
36{
37 intel_set_quirk(display, QUIRK_INVERT_BRIGHTNESS);
38 drm_info(display->drm, "applying inverted panel brightness quirk\n");
39}
40
41/* Some VBT's incorrectly indicate no backlight is present */
42static void quirk_backlight_present(struct intel_display *display)
43{
44 intel_set_quirk(display, QUIRK_BACKLIGHT_PRESENT);
45 drm_info(display->drm, "applying backlight present quirk\n");
46}
47
48/* Toshiba Satellite P50-C-18C requires T12 delay to be min 800ms
49 * which is 300 ms greater than eDP spec T12 min.
50 */
51static void quirk_increase_t12_delay(struct intel_display *display)
52{
53 intel_set_quirk(display, QUIRK_INCREASE_T12_DELAY);
54 drm_info(display->drm, "Applying T12 delay quirk\n");
55}
56
57/*
58 * GeminiLake NUC HDMI outputs require additional off time
59 * this allows the onboard retimer to correctly sync to signal
60 */
61static void quirk_increase_ddi_disabled_time(struct intel_display *display)
62{
63 intel_set_quirk(display, QUIRK_INCREASE_DDI_DISABLED_TIME);
64 drm_info(display->drm, "Applying Increase DDI Disabled quirk\n");
65}
66
67static void quirk_no_pps_backlight_power_hook(struct intel_display *display)
68{
69 intel_set_quirk(display, QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK);
70 drm_info(display->drm, "Applying no pps backlight power quirk\n");
71}
72
73static void quirk_fw_sync_len(struct intel_dp *intel_dp)
74{
75 struct intel_display *display = to_intel_display(intel_dp);
76
77 intel_set_dpcd_quirk(intel_dp, QUIRK_FW_SYNC_LEN);
78 drm_info(display->drm, "Applying Fast Wake sync pulse count quirk\n");
79}
80
81struct intel_quirk {
82 int device;
83 int subsystem_vendor;
84 int subsystem_device;
85 void (*hook)(struct intel_display *display);
86};
87
88struct intel_dpcd_quirk {
89 int device;
90 int subsystem_vendor;
91 int subsystem_device;
92 u8 sink_oui[3];
93 u8 sink_device_id[6];
94 void (*hook)(struct intel_dp *intel_dp);
95};
96
97#define SINK_OUI(first, second, third) { (first), (second), (third) }
98#define SINK_DEVICE_ID(first, second, third, fourth, fifth, sixth) \
99 { (first), (second), (third), (fourth), (fifth), (sixth) }
100
101#define SINK_DEVICE_ID_ANY SINK_DEVICE_ID(0, 0, 0, 0, 0, 0)
102
103/* For systems that don't have a meaningful PCI subdevice/subvendor ID */
104struct intel_dmi_quirk {
105 void (*hook)(struct intel_display *display);
106 const struct dmi_system_id (*dmi_id_list)[];
107};
108
109static int intel_dmi_reverse_brightness(const struct dmi_system_id *id)
110{
111 DRM_INFO("Backlight polarity reversed on %s\n", id->ident);
112 return 1;
113}
114
115static int intel_dmi_no_pps_backlight(const struct dmi_system_id *id)
116{
117 DRM_INFO("No pps backlight support on %s\n", id->ident);
118 return 1;
119}
120
121static const struct intel_dmi_quirk intel_dmi_quirks[] = {
122 {
123 .dmi_id_list = &(const struct dmi_system_id[]) {
124 {
125 .callback = intel_dmi_reverse_brightness,
126 .ident = "NCR Corporation",
127 .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"),
128 DMI_MATCH(DMI_PRODUCT_NAME, ""),
129 },
130 },
131 {
132 .callback = intel_dmi_reverse_brightness,
133 .ident = "Thundersoft TST178 tablet",
134 /* DMI strings are too generic, also match on BIOS date */
135 .matches = {DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
136 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
137 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."),
138 DMI_EXACT_MATCH(DMI_BIOS_DATE, "04/15/2014"),
139 },
140 },
141 { } /* terminating entry */
142 },
143 .hook = quirk_invert_brightness,
144 },
145 {
146 .dmi_id_list = &(const struct dmi_system_id[]) {
147 {
148 .callback = intel_dmi_no_pps_backlight,
149 .ident = "Google Lillipup sku524294",
150 .matches = {DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Google"),
151 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Lindar"),
152 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "sku524294"),
153 },
154 },
155 {
156 .callback = intel_dmi_no_pps_backlight,
157 .ident = "Google Lillipup sku524295",
158 .matches = {DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Google"),
159 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Lindar"),
160 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "sku524295"),
161 },
162 },
163 { }
164 },
165 .hook = quirk_no_pps_backlight_power_hook,
166 },
167};
168
169static struct intel_quirk intel_quirks[] = {
170 /* Lenovo U160 cannot use SSC on LVDS */
171 { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable },
172
173 /* Sony Vaio Y cannot use SSC on LVDS */
174 { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable },
175
176 /* Acer Aspire 5734Z must invert backlight brightness */
177 { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness },
178
179 /* Acer/eMachines G725 */
180 { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness },
181
182 /* Acer/eMachines e725 */
183 { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness },
184
185 /* Acer/Packard Bell NCL20 */
186 { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness },
187
188 /* Acer Aspire 4736Z */
189 { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },
190
191 /* Acer Aspire 5336 */
192 { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness },
193
194 /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */
195 { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present },
196
197 /* Acer C720 Chromebook (Core i3 4005U) */
198 { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present },
199
200 /* Apple Macbook 2,1 (Core 2 T7400) */
201 { 0x27a2, 0x8086, 0x7270, quirk_backlight_present },
202
203 /* Apple Macbook 4,1 */
204 { 0x2a02, 0x106b, 0x00a1, quirk_backlight_present },
205
206 /* Toshiba CB35 Chromebook (Celeron 2955U) */
207 { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },
208
209 /* HP Chromebook 14 (Celeron 2955U) */
210 { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present },
211
212 /* Dell Chromebook 11 */
213 { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present },
214
215 /* Dell Chromebook 11 (2015 version) */
216 { 0x0a16, 0x1028, 0x0a35, quirk_backlight_present },
217
218 /* Toshiba Satellite P50-C-18C */
219 { 0x191B, 0x1179, 0xF840, quirk_increase_t12_delay },
220
221 /* GeminiLake NUC */
222 { 0x3185, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
223 { 0x3184, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
224 /* ASRock ITX*/
225 { 0x3185, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
226 { 0x3184, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
227 /* ECS Liva Q2 */
228 { 0x3185, 0x1019, 0xa94d, quirk_increase_ddi_disabled_time },
229 { 0x3184, 0x1019, 0xa94d, quirk_increase_ddi_disabled_time },
230 /* HP Notebook - 14-r206nv */
231 { 0x0f31, 0x103c, 0x220f, quirk_invert_brightness },
232};
233
234static const struct intel_dpcd_quirk intel_dpcd_quirks[] = {
235 /* Dell Precision 5490 */
236 {
237 .device = 0x7d55,
238 .subsystem_vendor = 0x1028,
239 .subsystem_device = 0x0cc7,
240 .sink_oui = SINK_OUI(0x38, 0xec, 0x11),
241 .hook = quirk_fw_sync_len,
242 },
243
244};
245
246void intel_init_quirks(struct intel_display *display)
247{
248 struct pci_dev *d = to_pci_dev(display->drm->dev);
249 int i;
250
251 for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) {
252 struct intel_quirk *q = &intel_quirks[i];
253
254 if (d->device == q->device &&
255 (d->subsystem_vendor == q->subsystem_vendor ||
256 q->subsystem_vendor == PCI_ANY_ID) &&
257 (d->subsystem_device == q->subsystem_device ||
258 q->subsystem_device == PCI_ANY_ID))
259 q->hook(display);
260 }
261 for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) {
262 if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0)
263 intel_dmi_quirks[i].hook(display);
264 }
265}
266
267void intel_init_dpcd_quirks(struct intel_dp *intel_dp,
268 const struct drm_dp_dpcd_ident *ident)
269{
270 struct intel_display *display = to_intel_display(intel_dp);
271 struct pci_dev *d = to_pci_dev(display->drm->dev);
272 int i;
273
274 for (i = 0; i < ARRAY_SIZE(intel_dpcd_quirks); i++) {
275 const struct intel_dpcd_quirk *q = &intel_dpcd_quirks[i];
276
277 if (d->device == q->device &&
278 (d->subsystem_vendor == q->subsystem_vendor ||
279 q->subsystem_vendor == PCI_ANY_ID) &&
280 (d->subsystem_device == q->subsystem_device ||
281 q->subsystem_device == PCI_ANY_ID) &&
282 !memcmp(q->sink_oui, ident->oui, sizeof(ident->oui)) &&
283 (!memcmp(q->sink_device_id, ident->device_id,
284 sizeof(ident->device_id)) ||
285 mem_is_zero(q->sink_device_id, sizeof(q->sink_device_id))))
286 q->hook(intel_dp);
287 }
288}
289
290bool intel_has_quirk(struct intel_display *display, enum intel_quirk_id quirk)
291{
292 return display->quirks.mask & BIT(quirk);
293}
294
295bool intel_has_dpcd_quirk(struct intel_dp *intel_dp, enum intel_quirk_id quirk)
296{
297 return intel_dp->quirks.mask & BIT(quirk);
298}