diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpi_lpss.c | 6 | ||||
| -rw-r--r-- | drivers/acpi/pci_root.c | 15 | ||||
| -rw-r--r-- | drivers/acpi/x86/utils.c | 20 |
3 files changed, 27 insertions, 14 deletions
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index db18df6cb330..dee999938213 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -306,11 +306,9 @@ static const struct lpss_device_desc bsw_spi_dev_desc = { .setup = lpss_deassert_reset, }; -#define ICPU(model) { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, } - static const struct x86_cpu_id lpss_cpu_ids[] = { - ICPU(INTEL_FAM6_ATOM_SILVERMONT), /* Valleyview, Bay Trail */ - ICPU(INTEL_FAM6_ATOM_AIRMONT), /* Braswell, Cherry Trail */ + X86_MATCH_INTEL_FAM6_MODEL(ATOM_SILVERMONT, NULL), + X86_MATCH_INTEL_FAM6_MODEL(ATOM_AIRMONT, NULL), {} }; diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index f92df2533e7e..ac8ad6cb82aa 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -131,6 +131,7 @@ static struct pci_osc_bit_struct pci_osc_support_bit[] = { { OSC_PCI_CLOCK_PM_SUPPORT, "ClockPM" }, { OSC_PCI_SEGMENT_GROUPS_SUPPORT, "Segments" }, { OSC_PCI_MSI_SUPPORT, "MSI" }, + { OSC_PCI_EDR_SUPPORT, "EDR" }, { OSC_PCI_HPX_TYPE_3_SUPPORT, "HPX-Type3" }, }; @@ -141,6 +142,7 @@ static struct pci_osc_bit_struct pci_osc_control_bit[] = { { OSC_PCI_EXPRESS_AER_CONTROL, "AER" }, { OSC_PCI_EXPRESS_CAPABILITY_CONTROL, "PCIeCapability" }, { OSC_PCI_EXPRESS_LTR_CONTROL, "LTR" }, + { OSC_PCI_EXPRESS_DPC_CONTROL, "DPC" }, }; static void decode_osc_bits(struct acpi_pci_root *root, char *msg, u32 word, @@ -440,6 +442,8 @@ static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm, support |= OSC_PCI_ASPM_SUPPORT | OSC_PCI_CLOCK_PM_SUPPORT; if (pci_msi_enabled()) support |= OSC_PCI_MSI_SUPPORT; + if (IS_ENABLED(CONFIG_PCIE_EDR)) + support |= OSC_PCI_EDR_SUPPORT; decode_osc_support(root, "OS supports", support); status = acpi_pci_osc_support(root, support); @@ -487,6 +491,15 @@ static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm, control |= OSC_PCI_EXPRESS_AER_CONTROL; } + /* + * Per the Downstream Port Containment Related Enhancements ECN to + * the PCI Firmware Spec, r3.2, sec 4.5.1, table 4-5, + * OSC_PCI_EXPRESS_DPC_CONTROL indicates the OS supports both DPC + * and EDR. + */ + if (IS_ENABLED(CONFIG_PCIE_DPC) && IS_ENABLED(CONFIG_PCIE_EDR)) + control |= OSC_PCI_EXPRESS_DPC_CONTROL; + requested = control; status = acpi_pci_osc_control_set(handle, &control, OSC_PCI_EXPRESS_CAPABILITY_CONTROL); @@ -916,6 +929,8 @@ struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root, host_bridge->native_pme = 0; if (!(root->osc_control_set & OSC_PCI_EXPRESS_LTR_CONTROL)) host_bridge->native_ltr = 0; + if (!(root->osc_control_set & OSC_PCI_EXPRESS_DPC_CONTROL)) + host_bridge->native_dpc = 0; /* * Evaluate the "PCI Boot Configuration" _DSM Function. If it diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c index 697a6b12d6b9..bdc1ba00aee9 100644 --- a/drivers/acpi/x86/utils.c +++ b/drivers/acpi/x86/utils.c @@ -37,7 +37,7 @@ struct always_present_id { const char *uid; }; -#define ICPU(model) { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, } +#define X86_MATCH(model) X86_MATCH_INTEL_FAM6_MODEL(model, NULL) #define ENTRY(hid, uid, cpu_models, dmi...) { \ { { hid, }, {} }, \ @@ -51,29 +51,29 @@ static const struct always_present_id always_present_ids[] = { * Bay / Cherry Trail PWM directly poked by GPU driver in win10, * but Linux uses a separate PWM driver, harmless if not used. */ - ENTRY("80860F09", "1", ICPU(INTEL_FAM6_ATOM_SILVERMONT), {}), - ENTRY("80862288", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), {}), + ENTRY("80860F09", "1", X86_MATCH(ATOM_SILVERMONT), {}), + ENTRY("80862288", "1", X86_MATCH(ATOM_AIRMONT), {}), /* Lenovo Yoga Book uses PWM2 for keyboard backlight control */ - ENTRY("80862289", "2", ICPU(INTEL_FAM6_ATOM_AIRMONT), { + ENTRY("80862289", "2", X86_MATCH(ATOM_AIRMONT), { DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X9"), }), /* * The INT0002 device is necessary to clear wakeup interrupt sources * on Cherry Trail devices, without it we get nobody cared IRQ msgs. */ - ENTRY("INT0002", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), {}), + ENTRY("INT0002", "1", X86_MATCH(ATOM_AIRMONT), {}), /* * On the Dell Venue 11 Pro 7130 and 7139, the DSDT hides * the touchscreen ACPI device until a certain time * after _SB.PCI0.GFX0.LCD.LCD1._ON gets called has passed * *and* _STA has been called at least 3 times since. */ - ENTRY("SYNA7500", "1", ICPU(INTEL_FAM6_HASWELL_L), { + ENTRY("SYNA7500", "1", X86_MATCH(HASWELL_L), { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7130"), }), - ENTRY("SYNA7500", "1", ICPU(INTEL_FAM6_HASWELL_L), { + ENTRY("SYNA7500", "1", X86_MATCH(HASWELL_L), { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7139"), }), @@ -89,19 +89,19 @@ static const struct always_present_id always_present_ids[] = { * was copy-pasted from the GPD win, so it has a disabled KIOX000A * node which we should not enable, thus we also check the BIOS date. */ - ENTRY("KIOX000A", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), { + ENTRY("KIOX000A", "1", X86_MATCH(ATOM_AIRMONT), { DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), DMI_MATCH(DMI_BOARD_NAME, "Default string"), DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), DMI_MATCH(DMI_BIOS_DATE, "02/21/2017") }), - ENTRY("KIOX000A", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), { + ENTRY("KIOX000A", "1", X86_MATCH(ATOM_AIRMONT), { DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), DMI_MATCH(DMI_BOARD_NAME, "Default string"), DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), DMI_MATCH(DMI_BIOS_DATE, "03/20/2017") }), - ENTRY("KIOX000A", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), { + ENTRY("KIOX000A", "1", X86_MATCH(ATOM_AIRMONT), { DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), DMI_MATCH(DMI_BOARD_NAME, "Default string"), DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), |