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Ville Syrjälä 9702108e3d drm/dp/mst: Check peer device type before attempting EDID read 
commit 4da5caa6a6 upstream.

Only certain types of pdts have the DDC bus registered, so check for
that before we attempt the EDID read. Othwewise we risk playing around
with an i2c adapter that doesn't actually exist.

Cc: Carlos Santa <carlos.santa@intel.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Tested-by: Carlos Santa <carlos.santa@intel.com>
Tested-by: Kirill A. Shutemov <kirill@shutemov.name>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97666
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1477472755-15288-5-git-send-email-ville.syrjala@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-11-10 16:36:36 +01:00
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accessibility
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acpi
acpi, nfit: check for the correct event code in notifications
2016-10-28 03:01:34 -04:00
amba
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android
ANDROID: binder: Clear binder and cookie when setting handle in flat binder struct
2016-11-10 16:36:33 +01:00
ata
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atm
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auxdisplay
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base
platform: don't return 0 from platform_get_irq[_byname]() on error
2016-10-28 03:01:26 -04:00
bcma
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block
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bluetooth
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bus
bus: arm-ccn: Fix XP watchpoint settings bitmask
2016-09-24 10:07:40 +02:00
cdrom
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char
virtio: console: Unlock vqs while freeing buffers
2016-11-10 16:36:34 +01:00
clk
clk: divider: Fix clk_divider_round_rate() to use clk_readl()
2016-10-31 04:14:01 -06:00
clocksource
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connector
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cpufreq
cpufreq: intel_pstate: Fix unsafe HWP MSR access
2016-10-28 03:01:26 -04:00
cpuidle
ARM: cpuidle: Fix error return code
2016-10-16 17:36:15 +02:00
crypto
crypto: vmx - Fix memory corruption caused by p8_ghash
2016-10-22 12:26:56 +02:00
dca
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devfreq
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dio
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dma
dmaengine: ipu: remove bogus NO_IRQ reference
2016-10-31 04:14:00 -06:00
dma-buf
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edac
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eisa
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extcon
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firewire
firewire: net: fix fragmented datagram_size off-by-one
2016-11-10 16:36:35 +01:00
firmware
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fmc
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fpga
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gpio
gpio: mpc8xxx: Correct irq handler function
2016-10-28 03:01:25 -04:00
gpu
drm/dp/mst: Check peer device type before attempting EDID read
2016-11-10 16:36:36 +01:00
hid
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hsi
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hv
hv: do not lose pending heartbeat vmbus packets
2016-11-10 16:36:34 +01:00
hwmon
hwmon: (adt7411) set bit 3 in CFG1 register
2016-10-07 15:23:42 +02:00
hwspinlock
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hwtracing
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i2c
i2c: core: fix NULL pointer dereference under race condition
2016-11-10 16:36:31 +01:00
ide
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idle
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iio
include/linux/kernel.h: change abs() macro so it uses consistent return type
2016-09-30 10:18:33 +02:00
infiniband
IB/mlx4: Use correct subnet-prefix in QP1 mads under SR-IOV
2016-10-07 15:23:47 +02:00
input
Input: i8042 - add XMG C504 to keyboard reset table
2016-11-10 16:36:35 +01:00
iommu
Add braces to avoid "ambiguous ‘else’" compiler warnings
2016-09-30 10:18:35 +02:00
ipack
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irqchip
irqchip/gicv3: Handle loop timeout proper
2016-10-28 03:01:33 -04:00
isdn
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leds
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lguest
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lightnvm
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macintosh
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mailbox
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mcb
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md
dm mirror: fix read error on recovery after default leg failure
2016-11-10 16:36:35 +01:00
media
cx231xx: fix GPIOs for Pixelview SBTVD hybrid
2016-10-28 03:01:30 -04:00
memory
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memstick
memstick: rtsx_usb_ms: Manage runtime PM when accessing the device
2016-10-28 03:01:35 -04:00
message
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mfd
mfd: wm8350-i2c: Make sure the i2c regmap functions are compiled
2016-10-16 17:36:14 +02:00
misc
GenWQE: Fix bad page access during abort of resource allocation
2016-11-10 16:36:33 +01:00
mmc
mmc: dw_mmc-pltfm: fix the potential NULL pointer dereference
2016-11-10 16:36:35 +01:00
mtd
ubi: Deal with interrupted erasures in WL
2016-10-28 03:01:28 -04:00
net
mwifiex: correct aid value during tdls setup
2016-10-31 04:13:59 -06:00
nfc
NFC: fdp: Detect errors from fdp_nci_create_conn()
2016-10-07 15:23:44 +02:00
ntb
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nubus
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nvdimm
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nvme
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nvmem
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of
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oprofile
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parisc
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parport
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pci
PCI: Mark Atheros AR9580 to avoid bus reset
2016-10-28 03:01:26 -04:00
pcmcia
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perf
drivers/perf: arm_pmu: Fix leak in error path
2016-10-07 15:23:41 +02:00
phy
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pinctrl
pinctrl: uniphier: fix .pin_dbg_show() callback
2016-10-07 15:23:41 +02:00
platform
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pnp
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power
power: bq24257: Fix use of uninitialized pointer bq->charger
2016-10-31 04:14:00 -06:00
powercap
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pps
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ps3
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ptp
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pwm
pwm: Mark all devices as "might sleep"
2016-09-30 10:18:37 +02:00
rapidio
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ras
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regulator
regulator: tps65910: Work around silicon erratum SWCZ010
2016-10-28 03:01:25 -04:00
remoteproc
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reset
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rpmsg
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rtc
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s390
s390/con3270: fix insufficient space padding
2016-10-31 04:14:00 -06:00
sbus
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scsi
scsi: arcmsr: Send SYNCHRONIZE_CACHE command to firmware
2016-11-10 16:36:35 +01:00
sfi
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sh
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sn
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soc
soc: qcom/spm: shut up uninitialized variable warning
2016-09-24 10:07:42 +02:00
spi
spi: spi-fsl-dspi: Drop extra spi_master_put in device remove function
2016-10-31 04:13:59 -06:00
spmi
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ssb
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staging
staging: r8188eu: Fix scheduling while atomic splat
2016-10-31 04:14:00 -06:00
target
target: Don't override EXTENDED_COPY xcopy_pt_cmd SCSI status code
2016-10-28 03:01:36 -04:00
tc
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thermal
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thunderbolt
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tty
tty: limit terminal size to 4M chars
2016-11-10 16:36:34 +01:00
uio
uio: fix dmem_region_start computation
2016-10-31 04:13:59 -06:00
usb
USB: serial: cp210x: fix tiocmget error handling
2016-11-10 16:36:34 +01:00
uwb
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vfio
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vhost
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video
fbdev/efifb: Fix 16 color palette entry calculation
2016-10-28 03:01:29 -04:00
virt
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virtio
virtio_ring: Make interrupt suppression spec compliant
2016-11-10 16:36:34 +01:00
vlynq
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vme
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w1
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watchdog
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xen
xenbus: don't look up transaction IDs for ordinary writes
2016-10-31 04:13:58 -06:00
zorro
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Kconfig
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Makefile
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