1df0566a6SJani Nikula // SPDX-License-Identifier: MIT 2df0566a6SJani Nikula /* 3df0566a6SJani Nikula * Copyright © 2018 Intel Corporation 4df0566a6SJani Nikula */ 5df0566a6SJani Nikula 6df0566a6SJani Nikula #include <linux/dmi.h> 7df0566a6SJani Nikula 81d455f8dSJani Nikula #include "intel_display_types.h" 9df0566a6SJani Nikula #include "intel_quirks.h" 10df0566a6SJani Nikula 11df0566a6SJani Nikula /* 12df0566a6SJani Nikula * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason 13df0566a6SJani Nikula */ 14df0566a6SJani Nikula static void quirk_ssc_force_disable(struct drm_i915_private *i915) 15df0566a6SJani Nikula { 16df0566a6SJani Nikula i915->quirks |= QUIRK_LVDS_SSC_DISABLE; 176efb1b7dSWambui Karuga drm_info(&i915->drm, "applying lvds SSC disable quirk\n"); 18df0566a6SJani Nikula } 19df0566a6SJani Nikula 20df0566a6SJani Nikula /* 21df0566a6SJani Nikula * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight 22df0566a6SJani Nikula * brightness value 23df0566a6SJani Nikula */ 24df0566a6SJani Nikula static void quirk_invert_brightness(struct drm_i915_private *i915) 25df0566a6SJani Nikula { 26df0566a6SJani Nikula i915->quirks |= QUIRK_INVERT_BRIGHTNESS; 276efb1b7dSWambui Karuga drm_info(&i915->drm, "applying inverted panel brightness quirk\n"); 28df0566a6SJani Nikula } 29df0566a6SJani Nikula 30df0566a6SJani Nikula /* Some VBT's incorrectly indicate no backlight is present */ 31df0566a6SJani Nikula static void quirk_backlight_present(struct drm_i915_private *i915) 32df0566a6SJani Nikula { 33df0566a6SJani Nikula i915->quirks |= QUIRK_BACKLIGHT_PRESENT; 346efb1b7dSWambui Karuga drm_info(&i915->drm, "applying backlight present quirk\n"); 35df0566a6SJani Nikula } 36df0566a6SJani Nikula 37df0566a6SJani Nikula /* Toshiba Satellite P50-C-18C requires T12 delay to be min 800ms 38df0566a6SJani Nikula * which is 300 ms greater than eDP spec T12 min. 39df0566a6SJani Nikula */ 40df0566a6SJani Nikula static void quirk_increase_t12_delay(struct drm_i915_private *i915) 41df0566a6SJani Nikula { 42df0566a6SJani Nikula i915->quirks |= QUIRK_INCREASE_T12_DELAY; 436efb1b7dSWambui Karuga drm_info(&i915->drm, "Applying T12 delay quirk\n"); 44df0566a6SJani Nikula } 45df0566a6SJani Nikula 46df0566a6SJani Nikula /* 47df0566a6SJani Nikula * GeminiLake NUC HDMI outputs require additional off time 48df0566a6SJani Nikula * this allows the onboard retimer to correctly sync to signal 49df0566a6SJani Nikula */ 50df0566a6SJani Nikula static void quirk_increase_ddi_disabled_time(struct drm_i915_private *i915) 51df0566a6SJani Nikula { 52df0566a6SJani Nikula i915->quirks |= QUIRK_INCREASE_DDI_DISABLED_TIME; 536efb1b7dSWambui Karuga drm_info(&i915->drm, "Applying Increase DDI Disabled quirk\n"); 54df0566a6SJani Nikula } 55df0566a6SJani Nikula 56df0566a6SJani Nikula struct intel_quirk { 57df0566a6SJani Nikula int device; 58df0566a6SJani Nikula int subsystem_vendor; 59df0566a6SJani Nikula int subsystem_device; 60df0566a6SJani Nikula void (*hook)(struct drm_i915_private *i915); 61df0566a6SJani Nikula }; 62df0566a6SJani Nikula 63df0566a6SJani Nikula /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ 64df0566a6SJani Nikula struct intel_dmi_quirk { 65df0566a6SJani Nikula void (*hook)(struct drm_i915_private *i915); 66df0566a6SJani Nikula const struct dmi_system_id (*dmi_id_list)[]; 67df0566a6SJani Nikula }; 68df0566a6SJani Nikula 69df0566a6SJani Nikula static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) 70df0566a6SJani Nikula { 71df0566a6SJani Nikula DRM_INFO("Backlight polarity reversed on %s\n", id->ident); 72df0566a6SJani Nikula return 1; 73df0566a6SJani Nikula } 74df0566a6SJani Nikula 75df0566a6SJani Nikula static const struct intel_dmi_quirk intel_dmi_quirks[] = { 76df0566a6SJani Nikula { 77df0566a6SJani Nikula .dmi_id_list = &(const struct dmi_system_id[]) { 78df0566a6SJani Nikula { 79df0566a6SJani Nikula .callback = intel_dmi_reverse_brightness, 80df0566a6SJani Nikula .ident = "NCR Corporation", 81df0566a6SJani Nikula .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), 82df0566a6SJani Nikula DMI_MATCH(DMI_PRODUCT_NAME, ""), 83df0566a6SJani Nikula }, 84df0566a6SJani Nikula }, 858f1e5740SHans de Goede { 868f1e5740SHans de Goede .callback = intel_dmi_reverse_brightness, 878f1e5740SHans de Goede .ident = "Thundersoft TST178 tablet", 888f1e5740SHans de Goede /* DMI strings are too generic, also match on BIOS date */ 898f1e5740SHans de Goede .matches = {DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), 908f1e5740SHans de Goede DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"), 918f1e5740SHans de Goede DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."), 928f1e5740SHans de Goede DMI_EXACT_MATCH(DMI_BIOS_DATE, "04/15/2014"), 938f1e5740SHans de Goede }, 948f1e5740SHans de Goede }, 95df0566a6SJani Nikula { } /* terminating entry */ 96df0566a6SJani Nikula }, 97df0566a6SJani Nikula .hook = quirk_invert_brightness, 98df0566a6SJani Nikula }, 99df0566a6SJani Nikula }; 100df0566a6SJani Nikula 101df0566a6SJani Nikula static struct intel_quirk intel_quirks[] = { 102df0566a6SJani Nikula /* Lenovo U160 cannot use SSC on LVDS */ 103df0566a6SJani Nikula { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, 104df0566a6SJani Nikula 105df0566a6SJani Nikula /* Sony Vaio Y cannot use SSC on LVDS */ 106df0566a6SJani Nikula { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, 107df0566a6SJani Nikula 108df0566a6SJani Nikula /* Acer Aspire 5734Z must invert backlight brightness */ 109df0566a6SJani Nikula { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, 110df0566a6SJani Nikula 111df0566a6SJani Nikula /* Acer/eMachines G725 */ 112df0566a6SJani Nikula { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, 113df0566a6SJani Nikula 114df0566a6SJani Nikula /* Acer/eMachines e725 */ 115df0566a6SJani Nikula { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, 116df0566a6SJani Nikula 117df0566a6SJani Nikula /* Acer/Packard Bell NCL20 */ 118df0566a6SJani Nikula { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, 119df0566a6SJani Nikula 120df0566a6SJani Nikula /* Acer Aspire 4736Z */ 121df0566a6SJani Nikula { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, 122df0566a6SJani Nikula 123df0566a6SJani Nikula /* Acer Aspire 5336 */ 124df0566a6SJani Nikula { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, 125df0566a6SJani Nikula 126df0566a6SJani Nikula /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ 127df0566a6SJani Nikula { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, 128df0566a6SJani Nikula 129df0566a6SJani Nikula /* Acer C720 Chromebook (Core i3 4005U) */ 130df0566a6SJani Nikula { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, 131df0566a6SJani Nikula 132df0566a6SJani Nikula /* Apple Macbook 2,1 (Core 2 T7400) */ 133df0566a6SJani Nikula { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, 134df0566a6SJani Nikula 135df0566a6SJani Nikula /* Apple Macbook 4,1 */ 136df0566a6SJani Nikula { 0x2a02, 0x106b, 0x00a1, quirk_backlight_present }, 137df0566a6SJani Nikula 138df0566a6SJani Nikula /* Toshiba CB35 Chromebook (Celeron 2955U) */ 139df0566a6SJani Nikula { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, 140df0566a6SJani Nikula 141df0566a6SJani Nikula /* HP Chromebook 14 (Celeron 2955U) */ 142df0566a6SJani Nikula { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, 143df0566a6SJani Nikula 144df0566a6SJani Nikula /* Dell Chromebook 11 */ 145df0566a6SJani Nikula { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present }, 146df0566a6SJani Nikula 147df0566a6SJani Nikula /* Dell Chromebook 11 (2015 version) */ 148df0566a6SJani Nikula { 0x0a16, 0x1028, 0x0a35, quirk_backlight_present }, 149df0566a6SJani Nikula 150df0566a6SJani Nikula /* Toshiba Satellite P50-C-18C */ 151df0566a6SJani Nikula { 0x191B, 0x1179, 0xF840, quirk_increase_t12_delay }, 152df0566a6SJani Nikula 153df0566a6SJani Nikula /* GeminiLake NUC */ 154df0566a6SJani Nikula { 0x3185, 0x8086, 0x2072, quirk_increase_ddi_disabled_time }, 155df0566a6SJani Nikula { 0x3184, 0x8086, 0x2072, quirk_increase_ddi_disabled_time }, 156df0566a6SJani Nikula /* ASRock ITX*/ 157df0566a6SJani Nikula { 0x3185, 0x1849, 0x2212, quirk_increase_ddi_disabled_time }, 158df0566a6SJani Nikula { 0x3184, 0x1849, 0x2212, quirk_increase_ddi_disabled_time }, 159df0566a6SJani Nikula }; 160df0566a6SJani Nikula 161df0566a6SJani Nikula void intel_init_quirks(struct drm_i915_private *i915) 162df0566a6SJani Nikula { 163*8ff5446aSThomas Zimmermann struct pci_dev *d = to_pci_dev(i915->drm.dev); 164df0566a6SJani Nikula int i; 165df0566a6SJani Nikula 166df0566a6SJani Nikula for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { 167df0566a6SJani Nikula struct intel_quirk *q = &intel_quirks[i]; 168df0566a6SJani Nikula 169df0566a6SJani Nikula if (d->device == q->device && 170df0566a6SJani Nikula (d->subsystem_vendor == q->subsystem_vendor || 171df0566a6SJani Nikula q->subsystem_vendor == PCI_ANY_ID) && 172df0566a6SJani Nikula (d->subsystem_device == q->subsystem_device || 173df0566a6SJani Nikula q->subsystem_device == PCI_ANY_ID)) 174df0566a6SJani Nikula q->hook(i915); 175df0566a6SJani Nikula } 176df0566a6SJani Nikula for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { 177df0566a6SJani Nikula if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) 178df0566a6SJani Nikula intel_dmi_quirks[i].hook(i915); 179df0566a6SJani Nikula } 180df0566a6SJani Nikula } 181