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Ville Syrjälä a554bd7ccf drm/i915: Fix hpd live status bits for g4x 
[ Upstream commit 0780cd36c7 ]

Looks like g4x hpd live status bits actually agree with the spec. At
least they do on the machine I have, and apparently on Nick Bowler's
g4x as well.

So gm45 may be the only platform where they don't agree. At least
that seems to be the case based on the (somewhat incomplete)
logs/dumps in [1], and Daniel has also tested this on his gm45
sometime in the past.

So let's change the bits to match the spec on g4x. That actually makes
the g4x bits identical to vlv/chv so we can just share the code
between those platforms, leaving gm45 as the special case.

[1] https://bugzilla.kernel.org/show_bug.cgi?id=52361

Cc: Shashank Sharma <shashank.sharma@intel.com>
Cc: Sonika Jindal <sonika.jindal@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Nick Bowler <nbowler@draconx.ca>
References: https://lists.freedesktop.org/archives/dri-devel/2016-February/100382.html
Reported-by: Nick Bowler <nbowler@draconx.ca>
Cc: stable@vger.kernel.org
Fixes: 237ed86c69 ("drm/i915: Check live status before reading edid")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455127145-20087-1-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-15 08:27:44 +02:00
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accessibility
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acpi
ACPI / SRAT: fix SRAT parsing order with both LAPIC and X2APIC present
2016-09-07 08:32:45 +02:00
amba
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android
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ata
libata: LITE-ON CX1-JB256-HP needs lower max_sectors
2016-08-10 11:49:29 +02:00
atm
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auxdisplay
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base
base: make module_create_drivers_dir race-free
2016-07-27 09:47:32 -07:00
bcma
x86/quirks: Add early quirk to reset Apple AirPort card
2016-08-10 11:49:24 +02:00
block
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bluetooth
Bluetooth: hci_intel: Fix null gpio desc pointer dereference
2016-08-20 18:09:17 +02:00
bus
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cdrom
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char
random: add interrupt callback to VMBus IRQ handler
2016-08-20 18:09:20 +02:00
clk
clk: xgene: Fix divider with non-zero shift value
2016-09-15 08:27:39 +02:00
clocksource
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connector
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cpufreq
intel_pstate: Fix MSR_CONFIG_TDP_x addressing in core_get_max_pstate()
2016-08-20 18:09:18 +02:00
cpuidle
cpuidle: Fix cpuidle_state_is_coupled() argument in cpuidle_enter()
2016-06-07 18:14:34 -07:00
crypto
crypto: qat - fix aes-xts key sizes
2016-09-07 08:32:44 +02:00
dca
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devfreq
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dio
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dma
dmaengine: usb-dmac: check CHCR.DE bit in usb_dmac_isr_channel()
2016-09-07 08:32:44 +02:00
dma-buf
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edac
EDAC: Increment correct counter in edac_inc_ue_error()
2016-09-07 08:32:41 +02:00
eisa
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extcon
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firewire
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firmware
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fmc
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fpga
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gpio
gpio: Fix OF build problem on UM
2016-09-07 08:32:43 +02:00
gpu
drm/i915: Fix hpd live status bits for g4x
2016-09-15 08:27:44 +02:00
hid
HID: uhid: fix timeout when probe races with IO
2016-08-20 18:09:19 +02:00
hsi
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hv
Drivers: hv: vmbus: fix rescind-offer handling for device without a driver
2016-09-15 08:27:41 +02:00
hwmon
hwmon: (iio_hwmon) fix memory leak in name attribute
2016-09-07 08:32:46 +02:00
hwspinlock
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hwtracing
intel_th: Fix a deadlock in modprobing
2016-08-10 11:49:30 +02:00
i2c
i2c: cros-ec-tunnel: Fix usage of cros_ec_cmd_xfer()
2016-09-07 08:32:43 +02:00
ide
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idle
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iio
iio: fix sched WARNING "do not call blocking ops when !TASK_RUNNING"
2016-09-07 08:32:41 +02:00
infiniband
IB/mlx4: Fix memory leak if QP creation failed
2016-08-20 18:09:25 +02:00
input
Input: i8042 - set up shared ps2_cmd_mutex for AUX ports
2016-09-07 08:32:44 +02:00
iommu
iommu/arm-smmu: Don't BUG() if we find aborting STEs with disable_bypass
2016-09-07 08:32:41 +02:00
ipack
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irqchip
irqchip/gic-v3: Configure all interrupts as non-secure Group-1
2016-06-01 12:15:49 -07:00
isdn
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leds
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lguest
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lightnvm
lightnvm: fix locking and mempool in rrpc_lun_gc
2016-09-15 08:27:40 +02:00
macintosh
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mailbox
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mcb
mcb: Fixed bar number assignment for the gdd
2016-06-01 12:15:53 -07:00
md
dm flakey: error READ bios during the down_interval
2016-08-20 18:09:27 +02:00
media
s5p-mfc: Add release callback for memory region devs
2016-08-20 18:09:19 +02:00
memory
memory: omap-gpmc: Fix omap gpmc EXTRADELAY timing
2016-07-27 09:47:35 -07:00
memstick
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message
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mfd
mfd: qcom_rpm: Parametrize also ack selector size
2016-08-20 18:09:18 +02:00
misc
cxl: Enable PCI device ID for future IBM CXL adapter
2016-09-15 08:27:41 +02:00
mmc
mmc: sdhci: 64-bit DMA actually has 4-byte alignment
2016-09-15 08:27:44 +02:00
mtd
ubi: Fix race condition between ubi device creation and udev
2016-08-20 18:09:26 +02:00
net
net: thunderx: Fix for Qset error due to CQ full
2016-09-15 08:27:44 +02:00
nfc
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ntb
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nubus
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nvdimm
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nvme
NVMe: Don't unmap controller registers on reset
2016-09-07 08:32:37 +02:00
nvmem
nvmem: mxs-ocotp: fix buffer overflow in read
2016-05-11 11:21:21 +02:00
of
of: fix reference counting in of_graph_get_endpoint_by_regs
2016-09-07 08:32:41 +02:00
oprofile
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parisc
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parport
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pci
genirq/msi: Make sure PCI MSIs are activated early
2016-09-07 08:32:38 +02:00
pcmcia
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perf
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phy
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pinctrl
pinctrl/amd: Remove the default de-bounce time
2016-09-07 08:32:41 +02:00
platform
mfd: cros_ec: Add cros_ec_cmd_xfer_status() helper
2016-09-07 08:32:43 +02:00
pnp
PNP: Add Broadwell to Intel MCH size workaround
2016-08-16 09:30:48 +02:00
power
power_supply: power_supply_read_temp only if use_cnt > 0
2016-08-10 11:49:27 +02:00
powercap
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pps
pps: do not crash when failed to register
2016-08-10 11:49:25 +02:00
ps3
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ptp
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pwm
pwm: lpc32xx: fix and simplify duty cycle and period calculations
2016-09-15 08:27:43 +02:00
rapidio
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ras
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regulator
regulator: axp20x: Fix axp22x ldo_io voltage ranges
2016-05-18 17:06:51 -07:00
remoteproc
remoteproc: Fix potential race condition in rproc_add
2016-08-20 18:09:20 +02:00
reset
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rpmsg
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rtc
rtc: s3c: Add s3c_rtc_{enable/disable}_clk in s3c_rtc_setfreq()
2016-08-20 18:09:27 +02:00
s390
s390/cio: update measurement characteristics
2016-09-15 08:27:42 +02:00
sbus
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scsi
qla2xxx: Use ATIO type to send correct tmr response
2016-09-15 08:27:44 +02:00
sfi
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sh
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sn
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soc
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spi
spi: pxa2xx: Clear all RFT bits in reset_sccr1() on Intel Quark
2016-08-20 18:09:19 +02:00
spmi
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ssb
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staging
staging: comedi: ni_mio_common: fix wrong insn_write handler
2016-09-07 08:32:45 +02:00
target
target: Fix ordered task CHECK_CONDITION early exception handling
2016-08-20 18:09:26 +02:00
tc
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thermal
thermal: cpu_cooling: fix improper order during initialization
2016-07-27 09:47:29 -07:00
thunderbolt
thunderbolt: Fix double free of drom buffer
2016-06-01 12:15:53 -07:00
tty
tty/serial: atmel: fix RS485 half duplex with DMA
2016-08-20 18:09:17 +02:00
uio
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usb
USB: serial: option: add WeTelecom 0x6802 and 0x6803 products
2016-09-07 08:32:45 +02:00
uwb
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vfio
vfio/pci: Fix NULL pointer oops in error interrupt setup handling
2016-09-07 08:32:37 +02:00
vhost
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video
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virt
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virtio
virtio: fix memory leak in virtqueue_add()
2016-09-07 08:32:36 +02:00
vlynq
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vme
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w1
w1:omap_hdq: fix regression
2016-08-20 18:09:22 +02:00
watchdog
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xen
xenbus: don't bail early from xenbus_dev_request_and_reply()
2016-08-10 11:49:26 +02:00
zorro
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Kconfig
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Makefile
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