diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_quirks.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_quirks.c | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_quirks.c b/drivers/gpu/drm/i915/display/intel_quirks.c new file mode 100644 index 000000000000..d2e16b79d6be --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_quirks.c @@ -0,0 +1,309 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2018 Intel Corporation + */ + +#include <linux/dmi.h> + +#include <drm/drm_print.h> + +#include "intel_display_core.h" +#include "intel_display_types.h" +#include "intel_quirks.h" + +static void intel_set_quirk(struct intel_display *display, enum intel_quirk_id quirk) +{ + display->quirks.mask |= BIT(quirk); +} + +static void intel_set_dpcd_quirk(struct intel_dp *intel_dp, enum intel_quirk_id quirk) +{ + intel_dp->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 intel_display *display) +{ + intel_set_quirk(display, QUIRK_LVDS_SSC_DISABLE); + drm_info(display->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 intel_display *display) +{ + intel_set_quirk(display, QUIRK_INVERT_BRIGHTNESS); + drm_info(display->drm, "applying inverted panel brightness quirk\n"); +} + +/* Some VBT's incorrectly indicate no backlight is present */ +static void quirk_backlight_present(struct intel_display *display) +{ + intel_set_quirk(display, QUIRK_BACKLIGHT_PRESENT); + drm_info(display->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 intel_display *display) +{ + intel_set_quirk(display, QUIRK_INCREASE_T12_DELAY); + drm_info(display->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 intel_display *display) +{ + intel_set_quirk(display, QUIRK_INCREASE_DDI_DISABLED_TIME); + drm_info(display->drm, "Applying Increase DDI Disabled quirk\n"); +} + +static void quirk_no_pps_backlight_power_hook(struct intel_display *display) +{ + intel_set_quirk(display, QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK); + drm_info(display->drm, "Applying no pps backlight power quirk\n"); +} + +static void quirk_fw_sync_len(struct intel_dp *intel_dp) +{ + struct intel_display *display = to_intel_display(intel_dp); + + intel_set_dpcd_quirk(intel_dp, QUIRK_FW_SYNC_LEN); + drm_info(display->drm, "Applying Fast Wake sync pulse count quirk\n"); +} + +static void quirk_edp_limit_rate_hbr2(struct intel_display *display) +{ + intel_set_quirk(display, QUIRK_EDP_LIMIT_RATE_HBR2); + drm_info(display->drm, "Applying eDP Limit rate to HBR2 quirk\n"); +} + +struct intel_quirk { + int device; + int subsystem_vendor; + int subsystem_device; + void (*hook)(struct intel_display *display); +}; + +struct intel_dpcd_quirk { + int device; + int subsystem_vendor; + int subsystem_device; + u8 sink_oui[3]; + u8 sink_device_id[6]; + void (*hook)(struct intel_dp *intel_dp); +}; + +#define SINK_OUI(first, second, third) { (first), (second), (third) } +#define SINK_DEVICE_ID(first, second, third, fourth, fifth, sixth) \ + { (first), (second), (third), (fourth), (fifth), (sixth) } + +#define SINK_DEVICE_ID_ANY SINK_DEVICE_ID(0, 0, 0, 0, 0, 0) + +/* For systems that don't have a meaningful PCI subdevice/subvendor ID */ +struct intel_dmi_quirk { + void (*hook)(struct intel_display *display); + 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 }, + + /* Dell XPS 13 7390 2-in-1 */ + { 0x8a12, 0x1028, 0x08b0, quirk_edp_limit_rate_hbr2 }, +}; + +static const struct intel_dpcd_quirk intel_dpcd_quirks[] = { + /* Dell Precision 5490 */ + { + .device = 0x7d55, + .subsystem_vendor = 0x1028, + .subsystem_device = 0x0cc7, + .sink_oui = SINK_OUI(0x38, 0xec, 0x11), + .hook = quirk_fw_sync_len, + }, + +}; + +void intel_init_quirks(struct intel_display *display) +{ + struct pci_dev *d = to_pci_dev(display->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(display); + } + 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(display); + } +} + +void intel_init_dpcd_quirks(struct intel_dp *intel_dp, + const struct drm_dp_dpcd_ident *ident) +{ + struct intel_display *display = to_intel_display(intel_dp); + struct pci_dev *d = to_pci_dev(display->drm->dev); + int i; + + for (i = 0; i < ARRAY_SIZE(intel_dpcd_quirks); i++) { + const struct intel_dpcd_quirk *q = &intel_dpcd_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) && + !memcmp(q->sink_oui, ident->oui, sizeof(ident->oui)) && + (!memcmp(q->sink_device_id, ident->device_id, + sizeof(ident->device_id)) || + mem_is_zero(q->sink_device_id, sizeof(q->sink_device_id)))) + q->hook(intel_dp); + } +} + +bool intel_has_quirk(struct intel_display *display, enum intel_quirk_id quirk) +{ + return display->quirks.mask & BIT(quirk); +} + +bool intel_has_dpcd_quirk(struct intel_dp *intel_dp, enum intel_quirk_id quirk) +{ + return intel_dp->quirks.mask & BIT(quirk); +} |