diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/prmt.c | 10 | ||||
| -rw-r--r-- | drivers/acpi/sleep.c | 6 | ||||
| -rw-r--r-- | drivers/acpi/video_detect.c | 57 |
3 files changed, 51 insertions, 22 deletions
diff --git a/drivers/acpi/prmt.c b/drivers/acpi/prmt.c index 998101cf16e4..3d4c4620f9f9 100644 --- a/drivers/acpi/prmt.c +++ b/drivers/acpi/prmt.c @@ -236,6 +236,11 @@ static acpi_status acpi_platformrt_space_handler(u32 function, efi_status_t status; struct prm_context_buffer context; + if (!efi_enabled(EFI_RUNTIME_SERVICES)) { + pr_err_ratelimited("PRM: EFI runtime services no longer available\n"); + return AE_NO_HANDLER; + } + /* * The returned acpi_status will always be AE_OK. Error values will be * saved in the first byte of the PRM message buffer to be used by ASL. @@ -325,6 +330,11 @@ void __init init_prmt(void) pr_info("PRM: found %u modules\n", mc); + if (!efi_enabled(EFI_RUNTIME_SERVICES)) { + pr_err("PRM: EFI runtime services unavailable\n"); + return; + } + status = acpi_install_address_space_handler(ACPI_ROOT_OBJECT, ACPI_ADR_SPACE_PLATFORM_RT, &acpi_platformrt_space_handler, diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 0b557c0d405e..4ca667251272 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -60,13 +60,17 @@ static struct notifier_block tts_notifier = { .priority = 0, }; +#ifndef acpi_skip_set_wakeup_address +#define acpi_skip_set_wakeup_address() false +#endif + static int acpi_sleep_prepare(u32 acpi_state) { #ifdef CONFIG_ACPI_SLEEP unsigned long acpi_wakeup_address; /* do we have a wakeup address for S2 and S3? */ - if (acpi_state == ACPI_STATE_S3) { + if (acpi_state == ACPI_STATE_S3 && !acpi_skip_set_wakeup_address()) { acpi_wakeup_address = acpi_get_wakeup_address(); if (!acpi_wakeup_address) return -EFAULT; diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 8a541efc5675..a8c02608dde4 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -110,26 +110,6 @@ static bool nvidia_wmi_ec_supported(void) } #endif -static bool apple_gmux_backlight_present(void) -{ - struct acpi_device *adev; - struct device *dev; - - adev = acpi_dev_get_first_match_dev(GMUX_ACPI_HID, NULL, -1); - if (!adev) - return false; - - dev = acpi_get_first_physical_node(adev); - if (!dev) - return false; - - /* - * drivers/platform/x86/apple-gmux.c only supports old style - * Apple GMUX with an IO-resource. - */ - return pnp_get_resource(to_pnp_dev(dev), IORESOURCE_IO, 0) != NULL; -} - /* Force to use vendor driver when the ACPI device is known to be * buggy */ static int video_detect_force_vendor(const struct dmi_system_id *d) @@ -517,6 +497,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { }, { .callback = video_detect_force_native, + /* Acer Aspire 4810T */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 4810T"), + }, + }, + { + .callback = video_detect_force_native, /* Acer Aspire 5738z */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), @@ -604,6 +592,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { }, { .callback = video_detect_force_native, + /* Asus U46E */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "U46E"), + }, + }, + { + .callback = video_detect_force_native, /* Asus UX303UB */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), @@ -612,6 +608,23 @@ static const struct dmi_system_id video_detect_dmi_table[] = { }, { .callback = video_detect_force_native, + /* HP EliteBook 8460p */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 8460p"), + }, + }, + { + .callback = video_detect_force_native, + /* HP Pavilion g6-1d80nr / B4U19UA */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion g6 Notebook PC"), + DMI_MATCH(DMI_PRODUCT_SKU, "B4U19UA"), + }, + }, + { + .callback = video_detect_force_native, /* Samsung N150P */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), @@ -758,6 +771,7 @@ static enum acpi_backlight_type __acpi_video_get_backlight_type(bool native) { static DEFINE_MUTEX(init_mutex); static bool nvidia_wmi_ec_present; + static bool apple_gmux_present; static bool native_available; static bool init_done; static long video_caps; @@ -771,6 +785,7 @@ static enum acpi_backlight_type __acpi_video_get_backlight_type(bool native) ACPI_UINT32_MAX, find_video, NULL, &video_caps, NULL); nvidia_wmi_ec_present = nvidia_wmi_ec_supported(); + apple_gmux_present = apple_gmux_detect(NULL, NULL); init_done = true; } if (native) @@ -792,7 +807,7 @@ static enum acpi_backlight_type __acpi_video_get_backlight_type(bool native) if (nvidia_wmi_ec_present) return acpi_backlight_nvidia_wmi_ec; - if (apple_gmux_backlight_present()) + if (apple_gmux_present) return acpi_backlight_apple_gmux; /* Use ACPI video if available, except when native should be preferred. */ |