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Lukas Wunner b121b051d1 apple-gmux: Don't switch external DP port on 2011+ MacBook Pros 
On MacBook Pros introduced 2011 and onward, external DP ports are
combined DP/Thunderbolt ports that are no longer fully switchable
between GPUs, they can only be driven by the discrete GPU.

More specifically, the Main Link pins (which transport the actual video
and audio streams) are soldered to the discrete GPU, whereas the AUX
Channel pins are switchable. Because the integrated GPU is missing the
Main Link, external displays appear to it as phantoms which fail to
link-train.

Force the AUX channel to the discrete GPU on these models to avoid any
confusion. Document the switching policy implemented by this commit.

Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Link: http://patchwork.freedesktop.org/patch/msgid/4d1fcc92d1960049e2cff997fbd2d74e45e84e49.1489145162.git.lukas@wunner.de
 		2017-03-30 22:42:30 +02:00
..
Kconfig platform-drivers-x86 for v4.11-1 2017-02-25 14:35:37 -08:00
Makefile platform-drivers-x86 for v4.11-1 2017-02-25 14:35:37 -08:00
acer-wmi.c platform/x86: acer-wmi: add another KEY_WLAN keycode 2017-02-24 23:48:50 -08:00
acerhdf.c thermal: Enhance thermal_zone_device_update for events 2016-09-27 14:35:21 +08:00
alienware-wmi.c platform/x86: alienware-wmi: Remove header duplicate 2017-02-24 23:48:46 -08:00
amilo-rfkill.c platform: x86: drop owner assignment from platform_drivers 2014-10-20 16:21:27 +02:00
apple-gmux.c apple-gmux: Don't switch external DP port on 2011+ MacBook Pros 2017-03-30 22:42:30 +02:00
asus-laptop.c platform/x86: asus-laptop: get rid of parse_arg() 2016-09-23 16:20:44 -07:00
asus-nb-wmi.c platform/x86: asus-wmi: Remove quirk_no_rfkill 2017-03-12 16:41:55 -07:00
asus-wireless.c platform/x86: asus-wireless: Fix indentation 2017-02-24 23:48:48 -08:00
asus-wmi.c platform/x86: asus-wmi: Remove quirk_no_rfkill 2017-03-12 16:41:55 -07:00
asus-wmi.h platform/x86: asus-wmi: Remove quirk_no_rfkill 2017-03-12 16:41:55 -07:00
classmate-laptop.c classmate-laptop: Fix sparse warning (0 as NULL) 2015-02-07 12:12:00 -08:00
compal-laptop.c compal-laptop: Add charge control limit 2015-10-03 08:44:57 -07:00
dell-laptop.c platform/x86: dell-laptop: Add Latitude 7480 and others to the DMI whitelist 2017-02-24 23:48:53 -08:00
dell-rbtn.c dell-rbtn: Ignore ACPI notifications if device is suspended 2016-05-27 11:47:56 -07:00
dell-rbtn.h dell-rbtn: Export notifier for other kernel modules 2015-06-10 22:04:11 -07:00
dell-smbios.c dell-smbios: rename dell_smi_error() to dell_smbios_error() 2016-03-23 10:05:49 -07:00
dell-smbios.h dell-smbios: rename dell_smi_error() to dell_smbios_error() 2016-03-23 10:05:49 -07:00
dell-smo8800.c x86: separate extable.h, switch sections.h to it 2016-09-27 21:15:23 -04:00
dell-wmi-aio.c
…
dell-wmi.c platform/x86: dell-wmi: Add events created by Dell Rugged 2-in-1s 2016-12-13 09:29:00 -08:00
eeepc-laptop.c eeepc-laptop: Port to new backlight interface selection API 2015-06-19 01:11:56 +02:00
eeepc-wmi.c eeepc-wmi: Use acpi_dev_found() 2016-04-09 03:12:58 +02:00
fujitsu-laptop.c platform/x86: fujitsu-laptop: remove redundant MODULE_ALIAS entries 2017-02-26 17:01:48 +02:00
fujitsu-tablet.c Input: use more descriptive KEY_ROTATE_DISPLAY instead of KEY_DIRECTION 2015-03-06 17:18:16 -08:00
hdaps.c platform: x86: drop owner assignment from platform_drivers 2014-10-20 16:21:27 +02:00
hp-wireless.c hp-wireless: remove unneeded goto/label in hpwl_init 2015-08-25 23:34:15 -07:00
hp-wmi.c hp-wmi: Fix wifi cannot be hard-unblocked 2016-06-28 22:18:32 -07:00
hp_accel.c platform/x86: hp_accel: Add support for HP ZBook 17 2017-02-03 14:04:53 +02:00
ibm_rtl.c move io-64-nonatomic*.h out of asm-generic 2015-10-15 00:21:07 +02:00
ideapad-laptop.c platform/x86: ideapad-laptop: handle ACPI event 1 2017-01-22 12:47:06 +02:00
intel-hid.c platform/x86: intel-hid: Support 5 button array 2017-02-24 23:48:53 -08:00
intel-rst.c intel-rst: Clean up ACPI add function 2014-09-17 13:55:54 -07:00
intel-smartconnect.c platform/x86: Use ACPI_FAILURE at appropriate places 2016-12-13 09:29:01 -08:00
intel-vbtn.c platform-drivers-x86 for 4.10-1 2016-12-15 13:31:25 -08:00
intel_bxtwc_tmu.c platform/x86: Add Whiskey Cove PMIC TMU support 2016-12-18 14:56:37 -08:00
intel_ips.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/loadavg.h> 2017-03-02 08:42:27 +01:00
intel_ips.h
…
intel_menlow.c intel_menlow: reduce code duplication 2016-05-27 11:47:55 -07:00
intel_mid_powerbtn.c platform/x86: intel_mid_powerbtn: Use SCU IPC directly 2017-02-24 23:48:45 -08:00
intel_mid_thermal.c platform/x86: intel_mid_thermal: Fix module autoload 2017-02-03 14:04:53 +02:00
intel_oaktrail.c intel-oaktrail: Port to new backlight interface selection API 2015-06-19 01:12:11 +02:00
intel_pmc_core.c platform/x86: intel_pmc_core: fix out-of-bounds accesses on stack 2017-02-14 00:39:48 +02:00
intel_pmc_core.h platform/x86: intel_pmc_core: Add LTR IGNORE debug feature 2016-12-13 09:28:58 -08:00
intel_pmc_ipc.c platform/x86: intel_pmc_ipc: Add APL PMC PCI Id 2017-02-24 23:48:47 -08:00
intel_punit_ipc.c platform:x86 decouple telemetry driver from the optional IPC resources 2016-04-19 13:51:41 -07:00
intel_scu_ipc.c platform/x86: Make intel_scu_ipc explicitly non-modular 2016-03-23 10:05:47 -07:00
intel_scu_ipcutil.c intel_scu_ipcutil: underflow in scu_reg_access() 2016-01-30 09:40:35 -08:00
intel_telemetry_core.c intel_telemetry: Constify telemetry_core_ops structures 2016-05-05 13:58:55 -07:00
intel_telemetry_debugfs.c platform-drivers-x86 for 4.8-1 2016-07-26 17:23:08 -07:00
intel_telemetry_pltdrv.c platform-drivers-x86 for 4.8-1 2016-07-26 17:23:08 -07:00
intel_turbo_max_3.c platform/x86: intel_turbo_max_3: make it explicitly non-modular 2017-02-24 23:48:54 -08:00
mlx-platform.c platform/x86: mlx-platform: mlxcpld-hotplug driver style fixes 2017-02-03 14:04:53 +02:00
mlxcpld-hotplug.c platform/x86: Introduce support for Mellanox hotplug driver 2016-10-23 07:52:57 -07:00
msi-laptop.c msi-laptop: Port to new backlight interface selection API 2015-06-19 01:12:16 +02:00
msi-wmi.c ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
mxm-wmi.c Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86 2014-01-29 18:54:05 -08:00
panasonic-laptop.c platform/x86: Use ACPI_FAILURE at appropriate places 2016-12-13 09:29:01 -08:00
pmc_atom.c platform/x86: Enable Atom PMC platform clocks 2017-01-26 16:21:59 -08:00
pvpanic.c pvpanic: handle missing _STA correctly 2015-06-07 21:30:12 -07:00
samsung-laptop.c samsung-laptop: Port to new backlight interface selection API 2015-06-19 01:12:25 +02:00
samsung-q10.c platform: x86: drop owner assignment from platform_drivers 2014-10-20 16:21:27 +02:00
silead_dmi.c platform/x86: add support for devices with Silead touchscreens 2017-02-14 00:39:48 +02:00
sony-laptop.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
surface3-wmi.c platform/x86: surface3-wmi: fix uninitialized symbol 2017-01-21 01:43:42 +02:00
surface3_button.c platform/x86: Introduce button support for the Surface 3 2016-12-16 23:30:26 +02:00
surfacepro3_button.c surfacepro3_button: Add a warning when switching to tablet mode 2016-05-27 11:47:53 -07:00
tc1100-wmi.c tc1100-wmi: fix build warning when CONFIG_PM not enabled 2016-01-19 17:35:47 -08:00
thinkpad_acpi.c platform/x86: thinkpad_acpi: Call led_classdev_notify_brightness_hw_changed on kbd brightness change 2017-02-24 23:48:52 -08:00
topstar-laptop.c
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toshiba-wmi.c toshiba-wmi: Fix loading the driver on non Toshiba laptops 2016-10-19 13:25:54 -07:00
toshiba_acpi.c platform/x86: toshiba_acpi: Fix typo in *_cooling_method_set function 2016-08-31 17:33:33 -07:00
toshiba_bluetooth.c platform/x86: toshiba_bluetooth: Decouple an error checking status code 2016-09-23 16:21:06 -07:00
toshiba_haps.c platform/x86: toshiba_haps: Change logging level from info to debug 2016-09-23 16:21:05 -07:00
wmi.c drivers/platform/x86/wmi.c: use generic UUID library 2016-05-20 17:58:30 -07:00
xo1-rfkill.c platform: x86: drop owner assignment from platform_drivers 2014-10-20 16:21:27 +02:00
xo15-ebook.c
…