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linux/drivers/platform/x86
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David E. Box d1635448f1 platform/x86: intel_pmc_core: Ignore GBE LTR on Tiger Lake platforms 
Due to a HW limitation, the Latency Tolerance Reporting (LTR) value
programmed in the Tiger Lake GBE controller is not large enough to allow
the platform to enter Package C10, which in turn prevents the platform from
achieving its low power target during suspend-to-idle.  Ignore the GBE LTR
value on Tiger Lake. LTR ignore functionality is currently performed solely
by a debugfs write call. Split out the LTR code into its own function that
can be called by both the debugfs writer and by this work around.

Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Sasha Neftin <sasha.neftin@intel.com>
Cc: intel-wired-lan@lists.osuosl.org
Reviewed-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Link: https://lore.kernel.org/r/20210319201844.3305399-2-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-03-23 21:50:14 +01:00
..
dell platform/x86: dell-wmi-sysman: Cleanup create_attributes_level_sysfs_files() 2021-03-21 17:47:36 +01:00
intel_speed_select_if platform/x86: ISST: Mark mmio_range_devid_0 and mmio_range_devid_1 with static keyword 2020-12-08 16:30:55 +01:00
acer-wireless.c acer-wireless: send an EV_SYN/SYN_REPORT between state changes 2020-12-07 16:10:11 +01:00
acer-wmi.c platform/x86: acer-wmi: Don't use ACPI_EXCEPTION() 2021-02-04 15:15:19 +01:00
acerhdf.c thermal/core: Remove ms based delay fields 2021-01-19 22:23:49 +01:00
amd-pmc.c platform/x86: amd-pmc: put device on error paths 2021-02-02 19:33:44 +01:00
amilo-rfkill.c
apple-gmux.c platform/x86: apple-gmux: Replace HTTP links with HTTPS ones 2020-07-15 13:01:20 +03:00
asus-laptop.c ACPI: Test for ACPI_SUCCESS rather than !ACPI_FAILURE 2021-01-27 18:43:07 +01:00
asus-nb-wmi.c platform/x86: asus-wmi: Add support for SW_TABLET_MODE on UX360 2020-10-28 12:47:37 +01:00
asus-wireless.c
asus-wmi.c platform/x86: asus-wmi: Add userspace notification for performance mode change 2020-11-24 14:39:13 +01:00
asus-wmi.h platform/x86: asus-wmi: Add support for SW_TABLET_MODE on UX360 2020-10-28 12:47:37 +01:00
classmate-laptop.c x86/platform: classmate-laptop: add WiFi media button 2020-12-08 11:18:03 +01:00
compal-laptop.c
eeepc-laptop.c platform/x86: eeepc-laptop: Drop duplicate check for led_classdev_unregister() 2020-05-07 19:39:32 +03:00
eeepc-wmi.c
fujitsu-laptop.c
fujitsu-tablet.c
gpd-pocket-fan.c platform/x86: GPD pocket fan: Fix error message when temp-limits are out of range 2020-03-20 14:44:47 +02:00
hdaps.c treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
hp_accel.c
hp-wireless.c
hp-wmi.c platform/x86: hp-wmi: Disable tablet-mode reporting by default 2021-01-25 22:06:49 +01:00
huawei-wmi.c
i2c-multi-instantiate.c platform/x86: i2c-multi-instantiate: Don't create platform device for INT3515 ACPI nodes 2021-01-04 15:54:45 +01:00
ibm_rtl.c
ideapad-laptop.c platform/x86: ideapad-laptop: add "always on USB charging" control support 2021-02-04 10:21:43 +01:00
intel_atomisp2_led.c platform/x86: Add new intel_atomisp2_led driver 2020-07-09 22:47:27 +03:00
intel_atomisp2_pm.c
intel_bxtwc_tmu.c
intel_cht_int33fe_common.c platform/x86: intel_cht_int33fe: Drop double check for ACPI companion device 2020-07-09 22:40:36 +03:00
intel_cht_int33fe_common.h
intel_cht_int33fe_microb.c
intel_cht_int33fe_typec.c platform/x86: intel_cht_int33fe: Fix spelling issues 2020-04-20 14:47:45 +03:00
intel_chtdc_ti_pwrbtn.c
intel_int0002_vgpio.c Additional power management updates for 5.7-rc1 2020-04-06 10:14:39 -07:00
intel_ips.c
intel_ips.h
intel_menlow.c
intel_mrfld_pwrbtn.c
intel_oaktrail.c
intel_pmc_core_pltdrv.c platform/x86: intel_pmc_core: do not create a static struct device 2020-09-24 14:05:21 +03:00
intel_pmc_core.c platform/x86: intel_pmc_core: Ignore GBE LTR on Tiger Lake platforms 2021-03-23 21:50:14 +01:00
intel_pmc_core.h platform/x86: intel_pmc_core: Fix the slp_s0 counter displayed value 2020-10-07 23:06:29 +02:00
intel_pmt_class.c platform/x86: intel_pmt_class: Initial resource to 0 2021-03-23 21:49:56 +01:00
intel_pmt_class.h platform/x86: Intel PMT class driver 2020-11-04 11:14:12 +00:00
intel_pmt_crashlog.c platform/x86: intel_pmt_crashlog: Fix incorrect macros 2021-03-23 21:50:02 +01:00
intel_pmt_telemetry.c platform/x86: Intel PMT Telemetry capability driver 2020-11-04 11:14:27 +00:00
intel_punit_ipc.c
intel_scu_ipc.c platform/x86: intel_scu_ipc: Increase virtual timeout from 3 to 5 seconds 2021-02-11 16:49:10 +01:00
intel_scu_ipcutil.c platform/x86: intel_scu_ipcutil: Convert to use new SCU IPC API 2020-04-24 11:17:41 +01:00
intel_scu_pcidrv.c sfi: Remove framework for deprecated firmware 2021-02-15 20:09:46 +01:00
intel_scu_pltdrv.c platform/x86: Add Elkhart Lake SCU/PMC support 2020-05-05 20:26:16 +03:00
intel_scu_wdt.c platform/x86: intel_scu_wdt: Drop mistakenly added const 2021-02-05 12:54:27 +02:00
intel_telemetry_core.c platform/x86: intel_telemetry: Add telemetry_get_pltdata() 2020-04-24 11:18:30 +01:00
intel_telemetry_debugfs.c platform/x86: intel_pmc_ipc: Convert to MFD 2020-04-24 11:18:44 +01:00
intel_telemetry_pltdrv.c platform/x86: intel_pmc_ipc: Convert to MFD 2020-04-24 11:18:44 +01:00
intel_turbo_max_3.c platform/x86: Convert to new CPU match macros 2020-03-24 21:33:00 +01:00
intel-hid.c platform/x86: intel-hid: Support Lenovo ThinkPad X1 Tablet Gen 2 2021-03-06 10:24:53 +01:00
intel-rst.c
intel-smartconnect.c
intel-uncore-frequency.c platform/x86/intel-uncore-freq: Add Sapphire Rapids server support 2021-02-03 13:10:34 +01:00
intel-vbtn.c platform/x86: intel-vbtn: Stop reporting SW_DOCK events 2021-03-21 17:47:40 +01:00
intel-wmi-sbl-fw-update.c platform/x86: Add Slim Bootloader firmware update signaling driver 2020-05-05 20:27:44 +03:00
intel-wmi-thunderbolt.c
Kconfig platform/x86: intel_pmc_core: Update Kconfig 2021-03-23 21:50:08 +01:00
lg-laptop.c platform/x86: lg-laptop: Drop duplicate check for led_classdev_unregister() 2020-05-07 20:14:17 +03:00
Makefile platform/x86: Move all dell drivers to their own subdirectory 2021-02-04 13:23:55 +01:00
mlx-platform.c platform/x86: mlx-platform: Fix item counter assignment for MSN2700/ComEx system 2020-12-08 11:14:49 +01:00
msi-laptop.c
msi-wmi.c platform/x86: msi-wmi: Fix variable 'status' set but not used compiler warning 2021-02-04 13:35:20 +01:00
mxm-wmi.c
panasonic-laptop.c platform/x86: panasonic-laptop: Add sysfs attributes for firmware brightness registers 2020-11-10 14:49:50 +01:00
pcengines-apuv2.c platform/x86: pcengines-apuv2: Fix typo on define of AMD_FCH_GPIO_REG_GPIO55_DEVSLP0 2020-09-24 14:04:53 +03:00
peaq-wmi.c
pmc_atom.c
samsung-laptop.c platform/x86: samsung-laptop: Drop duplicate check for led_classdev_unregister() 2020-05-07 20:14:24 +03:00
samsung-q10.c
sony-laptop.c platform/x86: remove unneeded break 2020-10-28 12:32:06 +01:00
system76_acpi.c platform/x86: system76-acpi: Fix brightness_set schedule while atomic 2020-07-09 22:40:36 +03:00
tc1100-wmi.c
thinkpad_acpi.c platform/x86: thinkpad_acpi: Disable DYTC CQL mode around switching to balanced mode 2021-03-21 17:46:51 +01:00
topstar-laptop.c
toshiba_acpi.c platform/x86: toshiba_acpi: Fix the wrong variable assignment 2020-11-26 15:48:46 +01:00
toshiba_bluetooth.c
toshiba_haps.c
toshiba-wmi.c
touchscreen_dmi.c platform/x86: touchscreen_dmi: Add info for the Jumper EZpad 7 tablet 2021-02-03 12:03:05 +01:00
uv_sysfs.c x86/platform/uv: Add sysfs hubless leaves 2020-12-07 19:51:05 +01:00
wmi-bmof.c
wmi.c platform/x86: remove unneeded break 2020-10-28 12:32:06 +01:00
xiaomi-wmi.c platform/x86: wmi: Make two functions static 2020-04-17 16:47:26 +03:00
xo1-rfkill.c
xo15-ebook.c