For debugging purposes it is good to know which OOB data is actually
currently loaded for each controller. So expose that list via debugfs.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
When the Hardware Error event is send by the controller, the Bluetooth
core stores the error code. Expose it via debugfs so it can be retrieved
later on.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
To allow easier debugging when debug keys are generated, provide debugfs
entry for checking the setting of debug keys usage.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
When the HCI Write Simple Pairing Debug Mode command has been issued,
the result needs to be tracked and stored. The hdev->ssp_debug_mode
variable is already present, but was never updated when the mode in
the controller was actually changed.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
The value of the ssp_debug_mode should be accessible via debugfs to be
able to determine if a BR/EDR controller generates debugs keys or not.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Get rid of nr_cpu_ids and use modern percpu allocation.
Note that the sockets themselves are not yet allocated
using NUMA affinity.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
NetCP on Keystone has cpsw ale function similar to other TI SoCs
and this driver is re-used. To allow both ti cpsw and keystone netcp
to re-use the driver, convert the cpsw ale to a module and configure
it through Kconfig option CONFIG_TI_CPSW_ALE. Currently it is statically
linked to both TI CPSW and NetCP and this causes issues when the above
drivers are built as dynamic modules. This patch addresses this issue
While at it, fix the Makefile and code to build both netcp_core and
netcp_ethss as dynamic modules. This is needed to support arm allmodconfig.
This also requires exporting of API calls provided by netcp_core so that
both the above can be dynamic modules.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Tested-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The existing code frees the skb in EAGAIN case, in which the skb will be
retried from upper layer and used again.
Also, the existing code doesn't free send buffer slot in error case, because
there is no completion message for unsent packets.
This patch fixes these problems.
(Please also include this patch for stable trees. Thanks!)
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Current behavior only passes RTTs from sequentially acked data to CC.
If sender gets a combined ACK for segment 1 and SACK for segment 3, then the
computed RTT for CC is the time between sending segment 1 and receiving SACK
for segment 3.
Pass the minimum computed RTT from any acked data to CC, i.e. time between
sending segment 3 and receiving SACK for segment 3.
Signed-off-by: Kenneth Klette Jonassen <kennetkl@ifi.uio.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case the remote only provided P-192 or P-256 data for OOB pairing,
then make sure that the data value pointers are correctly set. That way
the core can provide correct information when remote OOB data present
information have to be communicated.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Before setting the OOB data present flag with SMP pairing, check the
newly introduced present tracking that actual OOB data values have
been provided. The existence of remote OOB data structure does not
actually mean that the correct data values are available.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
When BR/EDR Secure Connections has been enabled, the OOB data present
value can take 2 additional values. The host has to clearly provide
details about if P-192 OOB data, P-256 OOB data or a combination of
P-192 and P-256 OOB data is present.
In case BR/EDR Secure Connections is not enabled or not supported,
then check that P-192 OOB data is actually present and return the
correct value based on that.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Pull i2c fixes from Wolfram Sang:
"i2c driver bugfixes (s3c2410, slave-eeprom, sh_mobile), size
regression "bugfix" (i2c slave), documentation bugfix (st).
Also, one documentation update (da9063), so some devicetrees can now
be verified"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: sh_mobile: terminate DMA reads properly
i2c: Only include slave support if selected
i2c: s3c2410: fix ABBA deadlock by keeping clock prepared
i2c: slave-eeprom: fix boundary check when using sysfs
i2c: st: Rename clock reference to something that exists
DT: i2c: Add devices handled by the da9063 MFD driver
Instead of doing complex calculation every time the OOB data is used,
just calculate the OOB data present value and store it with the OOB
data raw values.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
The Bluetooth controllers from Intel use a strict scanning filter
policy that filters based on Bluetooth device addresses and not on
RSSI. So tell the core about this.
Signed-off-by: Jakub Pawlowski <jpawlowski@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Here are two tiny patches, one fixing up the drivers/Kconfig file, and
one adding a MAINTAINERS entry for the UIO git tree.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are two tiny patches, one fixing up the drivers/Kconfig file, and
one adding a MAINTAINERS entry for the UIO git tree"
* tag 'char-misc-3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
drivers/Kconfig: remove duplicate entry for soc
MAINTAINERS: add git url entry for UIO
Here are two tiny staging tree fixes. One for the nvec driver to
resolve a reported problem, and one to add a MAINTAINERS entry for the
Android drivers.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree fixes from Greg KH:
"Here are two tiny staging tree fixes. One for the nvec driver to
resolve a reported problem, and one to add a MAINTAINERS entry for the
Android drivers"
* tag 'staging-3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
MAINTAINERS: add Android driver entries
staging: nvec: specify a platform-device base id
Here are some small USB fixes and quirk additions for 3.19-rc7.
All have been in linux-next for a while with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes and quirk additions for 3.19-rc7.
All have been in linux-next for a while with no reported problems"
* tag 'usb-3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: Add OTG PET device to TPL
usb-storage/SCSI: blacklist FUA on JMicron 152d:2566 USB-SATA controller
uas: Add no-report-opcodes quirk for Simpletech devices with id 4971:8017
storage: Revise/fix quirk for 04E6:000F SCM USB-SCSI converter
usb: phy: never defer probe in non-OF case
usb: dwc2: call dwc2_is_controller_alive() under spinlock
This patch fixes the following kernel crash,
WARNING: CPU: 2 PID: 0 at net/ipv4/tcp_input.c:3079 tcp_clean_rtx_queue+0x658/0x80c()
Call trace:
[<fffffe0000096b7c>] dump_backtrace+0x0/0x184
[<fffffe0000096d10>] show_stack+0x10/0x1c
[<fffffe0000685ea0>] dump_stack+0x74/0x98
[<fffffe00000b44e0>] warn_slowpath_common+0x88/0xb0
[<fffffe00000b461c>] warn_slowpath_null+0x14/0x20
[<fffffe00005b5c1c>] tcp_clean_rtx_queue+0x654/0x80c
[<fffffe00005b6228>] tcp_ack+0x454/0x688
[<fffffe00005b6ca8>] tcp_rcv_established+0x4a4/0x62c
[<fffffe00005bf4b4>] tcp_v4_do_rcv+0x16c/0x350
[<fffffe00005c225c>] tcp_v4_rcv+0x8e8/0x904
[<fffffe000059d470>] ip_local_deliver_finish+0x100/0x26c
[<fffffe000059dad8>] ip_local_deliver+0xac/0xc4
[<fffffe000059d6c4>] ip_rcv_finish+0xe8/0x328
[<fffffe000059dd3c>] ip_rcv+0x24c/0x38c
[<fffffe0000563950>] __netif_receive_skb_core+0x29c/0x7c8
[<fffffe0000563ea4>] __netif_receive_skb+0x28/0x7c
[<fffffe0000563f54>] netif_receive_skb_internal+0x5c/0xe0
[<fffffe0000564810>] napi_gro_receive+0xb4/0x110
[<fffffe0000482a2c>] xgene_enet_process_ring+0x144/0x338
[<fffffe0000482d18>] xgene_enet_napi+0x1c/0x50
[<fffffe0000565454>] net_rx_action+0x154/0x228
[<fffffe00000b804c>] __do_softirq+0x110/0x28c
[<fffffe00000b8424>] irq_exit+0x8c/0xc0
[<fffffe0000093898>] handle_IRQ+0x44/0xa8
[<fffffe000009032c>] gic_handle_irq+0x38/0x7c
[...]
Software writes poison data into the descriptor bytes[15:8] and upon
receiving the interrupt, if those bytes are overwritten by the hardware with
the valid data, software also reads bytes[7:0] and executes receive/tx
completion logic.
If the CPU executes the above two reads in out of order fashion, then the
bytes[7:0] will have older data and causing the kernel panic. We have to
force the order of the reads and thus this patch introduces read memory
barrier between these reads.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Keyur Chudgar <kchudgar@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is only an API consolidation and should make things more readable
it replaces var * HZ / 1000 constructs by msecs_to_jiffies(var).
Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
Allow the selftest on the resizable hash table to be built modular, just
like all other tests that do not depend on DEBUG_KERNEL.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Toshiaki Makita says:
====================
Fix checksum error when using stacked vlan
When I was testing 802.1ad, I found several drivers don't take into
account 802.1ad or multiple vlans when retrieving L3 (IP/IPv6) or
L4 (TCP/UDP) protocol for checksum offload.
It is mainly due to vlan_get_protocol(), which extracts ether type only
when it is tagged with single 802.1Q. When 802.1ad is used or there are
multiple vlans, it extracts vlan protocol and drivers cannot determine
which L3/L4 protocol is used.
Those drivers, most of which have IP_CSUM/IPV6_CSUM features, get L3/L4
header-offset by software, so it seems that their checksum offload works
with multiple vlans if we can parse protocols correctly.
(They know mac header length, and probably don't care about what is in it.)
And another thing, some of Intel's drivers seem to use skb->protocol where
vlan_get_protocol() is more suitable.
I tested that at least igb/igbvf on I350 works with this patch set.
Note:
We can hand a double tagged packet with CHECKSUM_PARTIAL to a HW driver
by creating a vlan device on a bridge device and enabling vlan_filtering
of the bridge with 802.1ad protocol.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When a skb has multiple vlans and it is CHECKSUM_PARTIAL,
ixgbevf_tx_csum() fails to get the network protocol and checksum related
descriptor fields are not configured correctly because skb->protocol
doesn't show the L3 protocol in this case.
Use first->protocol instead of skb->protocol to get the proper network
protocol.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a skb has multiple vlans and it is CHECKSUM_PARTIAL,
ixgbe_tx_csum() fails to get the network protocol and checksum related
descriptor fields are not configured correctly because skb->protocol
doesn't show the L3 protocol in this case.
Use vlan_get_protocol() to get the proper network protocol.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a skb has multiple vlans and it is CHECKSUM_PARTIAL,
igbvf_tx_csum() fails to get the network protocol and checksum related
descriptor fields are not configured correctly because skb->protocol
doesn't show the L3 protocol in this case.
Use vlan_get_protocol() to get the proper network protocol.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
vlan_get_protocol() could not get network protocol if a skb has a 802.1ad
vlan tag or multiple vlans, which caused incorrect checksum calculation
in several drivers.
Fix vlan_get_protocol() to retrieve network protocol instead of incorrect
vlan protocol.
As the logic is the same as skb_network_protocol(), create a common helper
function __vlan_get_protocol() and call it from existing functions.
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
They are all either written once or extremly rarely (e.g. from init
code), so we can move them to the .data..read_mostly section.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When making use of RFC5061, section 4.2.4. for setting the primary IP
address, we're passing a wrong parameter header to param_type2af(),
resulting always in NULL being returned.
At this point, param.p points to a sctp_addip_param struct, containing
a sctp_paramhdr (type = 0xc004, length = var), and crr_id as a correlation
id. Followed by that, as also presented in RFC5061 section 4.2.4., comes
the actual sctp_addr_param, which also contains a sctp_paramhdr, but
this time with the correct type SCTP_PARAM_IPV{4,6}_ADDRESS that
param_type2af() can make use of. Since we already hold a pointer to
addr_param from previous line, just reuse it for param_type2af().
Fixes: d6de309759 ("[SCTP]: Add the handling of "Set Primary IP Address" parameter to INIT")
Signed-off-by: Saran Maruti Ramanara <saran.neti@telus.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The subscription bitmask passed via struct sockaddr_nl is converted to
the group number when calling the netlink_bind() and netlink_unbind()
callbacks.
The conversion is however incorrect since bitmask (1 << 0) needs to be
mapped to group number 1. Note that you cannot specify the group number 0
(usually known as _NONE) from setsockopt() using NETLINK_ADD_MEMBERSHIP
since this is rejected through -EINVAL.
This problem became noticeable since 97840cb ("netfilter: nfnetlink:
fix insufficient validation in nfnetlink_bind") when binding to bitmask
(1 << 0) in ctnetlink.
Reported-by: Andre Tomt <andre@tomt.net>
Reported-by: Ivan Delalande <colona@arista.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tony Lindgren says:
====================
Changes to cpsw and davinci_emac for getting MAC address
Here are a few patches to add common code for cpsw and davinci_emac for
getting the MAC address. Looks like we can also now add code to get the
MAC address on 3517 but in a slightly different way.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Looks like on 3517 davinci_emac MAC address registers have a
different layout compared to dm816x and am33xx.
Let's add a function to get the 3517 MAC address.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
At least on dm81xx, we can get the davinci_emac MAC address the same
way as on am33xx cpsw.
Let's also use ether_addr_copy() for davinci_emac while at it.
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Looks like davinci_emac and cpsw can share some code although the
device registers have a different layout.
At least the code for getting the MAC address using syscon can
be shared by passing the register offset. Let's start with that
and set up a minimal shared cpsw-shared.c.
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit afe1de664e.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
This reverts commit 67d7209e1f.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
This reverts commit 016d9fb25c.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
This reverts commit e5d1dcf1b0.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
This reverts commit 3bcce487fd.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
This reverts commit 5141861cd5.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
This reverts commit bb42a6dd02.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
This reverts commit ce347ab90e.
The series of IPoIB bug fixes that went into 3.19-rc1 introduce
regressions, and after trying to sort things out, we decided to revert
to 3.18's IPoIB driver and get things right for 3.20.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Pull perf fixes from Ingo Molnar:
"Mostly tooling fixes, but also an event groups fix, two PMU driver
fixes and a CPU model variant addition"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Tighten (and fix) the grouping condition
perf/x86/intel: Add model number for Airmont
perf/rapl: Fix crash in rapl_scale()
perf/x86/intel/uncore: Move uncore_box_init() out of driver initialization
perf probe: Fix probing kretprobes
perf symbols: Introduce 'for' method to iterate over the symbols with a given name
perf probe: Do not rely on map__load() filter to find symbols
perf symbols: Introduce method to iterate symbols ordered by name
perf symbols: Return the first entry with a given name in find_by_name method
perf annotate: Fix memory leaks in LOCK handling
perf annotate: Handle ins parsing failures
perf scripting perl: Force to use stdbool
perf evlist: Remove extraneous 'was' on error message
Pull btrfs fix from Chris Mason:
"We have one more fix for btrfs in my for-linus branch - this was a bug
in the new raid5/6 scrubbing support"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: fix raid56 scrub failed in xfstests btrfs/072
Pull quota and UDF fix from Jan Kara:
"A fix for UDF to properly free preallocated blocks and a fix for quota
so that Q_GETQUOTA quotactl reports correct numbers for XFS filesystem
(and similarly Q_XGETQUOTA quotactl works properly for other
filesystems)"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: Switch ->get_dqblk() and ->set_dqblk() to use bytes as space units
udf: Release preallocation on last writeable close
for x86 (bug introduced in 3.19).
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"The ARM changes are largish, but not too scary. And a simple fix for
x86 (bug introduced in 3.19)"
(Paolo sayus these are the "Final" fixes. We'll see).
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: check LAPIC presence when building apic_map
arm/arm64: KVM: Use kernel mapping to perform invalidation on page fault
arm/arm64: KVM: Invalidate data cache on unmap
arm/arm64: KVM: Use set/way op trapping to track the state of the caches
Two small fixes for the Tegra GART IOMMU driver:
* Provide a .map_sg function for iommu_ops
* Do not register Tegra GART driver as a workaround because of
issues with it when used from DRM code
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Merge tag 'iommu-fixes-v3.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"Two small fixes for the Tegra GART IOMMU driver:
- provide a .map_sg function for iommu_ops
- do not register Tegra GART driver as a workaround because of issues
with it when used from DRM code"
* tag 'iommu-fixes-v3.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/tegra: gart: Provide default ->map_sg() callback
iommu/tegra: gart: Do not register with bus
Pull intel and dp mst drm fixes from Dave Airlie:
"Intel had a few more fixes lined up and no point me sitting on them,
along with a DP MST fix from Rob for a race at undock + vt switch"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm: fix fb-helper vs MST dangling connector ptrs (v2)
drm/i915: BDW Fix Halo PCI IDs marked as ULT.
drm/i915: Fix and clean BDW PCH identification
drm/i915: Only fence tiled region of object.
drm/i915: fix inconsistent brightness after resume
drm/i915: Init PPGTT before context enable
