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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 | // SPDX-License-Identifier: MIT /* * Copyright © 2018 Intel Corporation */ #include <linux/dmi.h> #include "i915_drv.h" #include "intel_display_types.h" #include "intel_quirks.h" static void intel_set_quirk(struct drm_i915_private *i915, enum intel_quirk_id quirk) { i915->display.quirks.mask |= BIT(quirk); } /* * 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) { intel_set_quirk(i915, 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) { intel_set_quirk(i915, 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) { intel_set_quirk(i915, 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) { intel_set_quirk(i915, 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) { intel_set_quirk(i915, 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) { intel_set_quirk(i915, 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 }, /* ECS Liva Q2 */ { 0x3185, 0x1019, 0xa94d, quirk_increase_ddi_disabled_time }, { 0x3184, 0x1019, 0xa94d, quirk_increase_ddi_disabled_time }, /* HP Notebook - 14-r206nv */ { 0x0f31, 0x103c, 0x220f, quirk_invert_brightness }, }; 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); } } bool intel_has_quirk(struct drm_i915_private *i915, enum intel_quirk_id quirk) { return i915->display.quirks.mask & BIT(quirk); } |