diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_quirks.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_quirks.c | 170 |
1 files changed, 170 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..0b749c28541f --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_quirks.c @@ -0,0 +1,170 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2018 Intel Corporation + */ + +#include <linux/dmi.h> + +#include "intel_drv.h" +#include "intel_quirks.h" + +/* + * 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) +{ + i915->quirks |= QUIRK_LVDS_SSC_DISABLE; + DRM_INFO("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) +{ + i915->quirks |= QUIRK_INVERT_BRIGHTNESS; + DRM_INFO("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) +{ + i915->quirks |= QUIRK_BACKLIGHT_PRESENT; + DRM_INFO("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) +{ + i915->quirks |= QUIRK_INCREASE_T12_DELAY; + DRM_INFO("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) +{ + i915->quirks |= QUIRK_INCREASE_DDI_DISABLED_TIME; + DRM_INFO("Applying Increase DDI Disabled 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 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, ""), + }, + }, + { } /* terminating entry */ + }, + .hook = quirk_invert_brightness, + }, +}; + +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 }, +}; + +void intel_init_quirks(struct drm_i915_private *i915) +{ + struct pci_dev *d = i915->drm.pdev; + 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); + } +} |