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In this situation, we'd have ended up detecting less VRAM than we have.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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In commit e4bf4f76962b ("tipc: simplify packet sequence number
handling") we changed the internal representation of the packet
sequence number counters from u32 to u16, reflecting what is really
sent over the wire.
Since then some link statistics counters have been displaying incorrect
values, partially because the counters meant to be used as sequence
number snapshots are now used as direct counters, stored as u32, and
partially because some counter updates are just missing in the code.
In this commit we correct this in two ways. First, we base the
displayed packet sent/received values on direct counters instead
of as previously a calculated difference between current sequence
number and a snapshot. Second, we add the missing updates of the
counters.
This change is compatible with the current netlink API, and requires
no changes to the user space tools.
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2016-11-25
1) Fix a refcount leak in vti6.
From Nicolas Dichtel.
2) Fix a wrong if statement in xfrm_sk_policy_lookup.
From Florian Westphal.
3) The flowcache watermarks are per cpu. Take this into
account when comparing to the threshold where we
refusing new allocations. From Miroslav Urbanek.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The macvtap_newlink registers the netdev rx_handler firstly, but it
does not unregister the handler if macvlan_common_newlink failed.
Signed-off-by: Gao Feng <fgao@ikuai8.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Johan Hovold says:
====================
net: fix phydev reference leaks
This series fixes a number of phydev reference leaks (and one of_node
leak) due to failure to put the reference taken by of_phy_find_device().
Note that I did not try to fix drivers/net/phy/xilinx_gmii2rgmii.c which
still leaks a reference.
Against net but should apply just as fine to net-next.
v2:
- use put_device() instead of phy_dev_free() to put the references
taken in net/dsa (patch 1/4).
- add four new patches fixing similar leaks
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to drop the reference taken by of_phy_find_device() during
probe on probe errors and on driver unbind.
Also drop the of_node reference taken by of_parse_phandle() in the same
path.
Fixes: b9b17debc69d ("net: emac: emac gigabit ethernet controller driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to drop the reference taken by of_phy_find_device() when
looking up a fixed-link phydev during probe.
Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to drop the reference taken by of_phy_find_device() during
initialisation when later freeing the struct fman_mac.
Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to drop the reference taken by of_phy_find_device() when
initialising MOCA PHYs.
Fixes: 6ac9de5f6563 ("net: bcmgenet: Register link_update callback for
all MoCA PHYs")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to drop the reference taken by of_phy_find_device() when
registering and deregistering the fixed-link PHY-device.
Fixes: 39b0c705195e ("net: dsa: Allow configuration of CPU & DSA port
speeds/duplex")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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irda_get_mtt() returns a hardcoded '10000' in some cases,
and with gcc-7, we get a build error because this triggers a
compile-time check in udelay():
drivers/net/irda/w83977af_ir.o: In function `w83977af_hard_xmit':
w83977af_ir.c:(.text.w83977af_hard_xmit+0x14c): undefined reference to `__bad_udelay'
Older compilers did not run into this because they either did not
completely inline the irda_get_mtt() or did not consider the
10000 value a constant expression.
The code has been wrong since the start of git history.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When ipvlan_link_new fails and creates one ipvlan port, it does not
destroy the ipvlan port created. It causes mem leak and the physical
device contains invalid ipvlan data.
Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previous value really only made sense on armv7 without LPAE. Everything
that supports more than 4g of memory also has iommu's that can map
anything.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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In add_components_mdp, we parse the endpoints in MDP output ports
using the helper for_each_endpoint_of_node(). Our function calls
of_node_put() on the endpoint node before we iterate over the
next one. This is already done by the helper, and results in
trying to decrement the refcount twice.
Remove the extra of_node_put calls. This fixes warnings seen when
we try to insert the driver as a module on IFC6410.
Reported-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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The mode_config->max_{width,height} is for the maximum size of a fb, not
the max scanout limits (of the layer-mixer). It is legal, and in fact
common, to create a larger fb, only only scan-out a smaller part of it.
For example multi-monitor configurations for x11, or android wallpaper
layer (which is created larger than the screen resolution for fast
scrolling by just changing the src x/y coordinates).
Signed-off-by: Rob Clark <robdclark@gmail.com>
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If the dumpstate modparam is enabled, for debugging error irq's, also
dump SMP state.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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Previously, SMP block allocation was not checked in the plane's
atomic_check() fxn, so we could fail allocation SMP block allocation at
atomic_update() time. Re-work the block allocation to request blocks
during atomic_check(), but not update the hw until committing the atomic
update.
Since SMP blocks allocated at atomic_check() time, we need to manage the
SMP state as part of mdp5_state (global atomic state). This actually
ends up significantly simplifying the SMP management, as the SMP module
does not need to manage the intermediate state between assigning new
blocks before setting flush bits and releasing old blocks after vblank.
(The SMP registers and SMP allocation is not double-buffered, so newly
allocated blocks need to be updated in kms->prepare_commit() released
blocks in kms->complete_commit().)
Signed-off-by: Rob Clark <robdclark@gmail.com>
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(re)assign the hw pipes to planes based on required caps, and to handle
situations where we could not modify an in-use plane (ie. SMP block
reallocation).
This means all planes advertise the superset of formats and properties.
Userspace must (as always) use atomic TEST_ONLY step for atomic updates,
as not all planes may be available for use on every frame.
The mapping of hwpipe to plane is stored in mdp5_state, so that state
updates are atomically committed in the same way that plane/etc state
updates are managed. This is needed because the mdp5_plane_state keeps
a pointer to the hwpipe, and we don't want global state to become out
of sync with the plane state if an atomic update fails, we hit deadlock/
backoff scenario, etc. The use of state_lock keeps multiple parallel
updates which both re-assign hwpipes properly serialized.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Add basic state duplication/apply mechanism. Following commits will
move actual global hw state into this.
The state_lock allows multiple concurrent updates to proceed as long as
they don't both try to alter global state. The ww_mutex mechanism will
trigger backoff in case of deadlock between multiple threads trying to
update state.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
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This will give the kms backends a slot to stash their own hw specific
global state.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Split out the hardware pipe specifics from mdp5_plane. To start, the hw
pipes are statically assigned to planes, but next step is to assign the
hw pipes during plane->atomic_check() based on requested caps (scaling,
YUV, etc). And then hw pipe re-assignment if required if required SMP
blocks changes.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
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Pull IOMMU fixes from David Woodhouse:
"Two minor fixes.
The first fixes the assignment of SR-IOV virtual functions to the
correct IOMMU unit, and the second fixes the excessively large (and
physically contiguous) PASID tables used with SVM"
* git://git.infradead.org/intel-iommu:
iommu/vt-d: Fix PASID table allocation
iommu/vt-d: Fix IOMMU lookup for SR-IOV Virtual Functions
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It wasn't really doing the right thing if, for example, position or
height changed.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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Just use plane->name now that it is a thing. In a following patch, once
we dynamically assign hw pipes to planes, it won't make sense to name
planes the way we do, so this also partly reduces churn in following
patch.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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We can do this all from mdp5_plane_complete_commit(), so simplify things
a bit and drop mdp5_plane_complete_flip().
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Plane's (pipes) can be assigned dynamically with atomic, so it doesn't
make much sense to name the pipe after it's primary plane.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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These are really plane-id's, not crtc-id's. Only connection to CRTCs is
that they are used as primary-planes.
Current name is just legacy from when we only supported RGB/primary
planes. Lets pick a better name now.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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We can have various combinations of 64b and 32b address space, ie. 64b
CPU but 32b display and gpu, or 64b CPU and GPU but 32b display. So
best to decouple the device iova's from mmap offset.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Pull MIPS fixes from Ralf Baechle:
"Another round of MIPS fixes for 4.9:
- Fix unreadable output in __do_page_fault due to the KERN_CONT
patchset
- Correctly handle MIPS R6 fixes to the c0_wired register"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: mm: Fix output of __do_page_fault
MIPS: Mask out limit field when calculating wired entry count
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs splice fix from Al Viro.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix default_file_splice_read()
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Botched calculation of number of pages. As the result,
we were dropping pieces when doing splice to pipe from
e.g. 9p.
Reported-by: Alexei Starovoitov <ast@kernel.org>
Tested-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Here is a revert and two bugfixes for the I2C designware driver.
Please note that we are still hunting down a regression for the
i2c-octeon driver. While there is a fix pending, we have unclear
feedback from the testers currently. An rc8 would be quite helpful
for this case"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
Revert "i2c: designware: do not disable adapter after transfer"
i2c: designware: fix rx fifo depth tracking
i2c: designware: report short transfers
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Pull ARM fix from Russell King:
"This resolves the ksyms issues by reverting the commit which
introduced the breakage"
There was what I consider to be a better fix, but it's late in the rc
game, so I'll take the revert.
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
Revert "arm: move exports to definitions"
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Pull networking fixes from David Miller:
1) Fix leak in fsl/fman driver, from Dan Carpenter.
2) Call flow dissector initcall earlier than any networking driver can
register and start to use it, from Eric Dumazet.
3) Some dup header fixes from Geliang Tang.
4) TIPC link monitoring compat fix from Jon Paul Maloy.
5) Link changes require EEE re-negotiation in bcm_sf2 driver, from
Florian Fainelli.
6) Fix bogus handle ID passed into tfilter_notify_chain(), from Roman
Mashak.
7) Fix dump size calculation in rtnl_calcit(), from Zhang Shengju.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
tipc: resolve connection flow control compatibility problem
mvpp2: use correct size for memset
net/mlx5: drop duplicate header delay.h
net: ieee802154: drop duplicate header delay.h
ibmvnic: drop duplicate header seq_file.h
fsl/fman: fix a leak in tgec_free()
net: ethtool: don't require CAP_NET_ADMIN for ETHTOOL_GLINKSETTINGS
tipc: improve sanity check for received domain records
tipc: fix compatibility bug in link monitoring
net: ethernet: mvneta: Remove IFF_UNICAST_FLT which is not implemented
dwc_eth_qos: drop duplicate headers
net sched filters: fix filter handle ID in tfilter_notify_chain()
net: dsa: bcm_sf2: Ensure we re-negotiate EEE during after link change
bnxt: do not busy-poll when link is down
udplite: call proper backlog handlers
ipv6: bump genid when the IFA_F_TENTATIVE flag is clear
net/mlx4_en: Free netdev resources under state lock
net: revert "net: l2tp: Treat NET_XMIT_CN as success in l2tp_eth_dev_xmit"
rtnetlink: fix the wrong minimal dump size getting from rtnl_calcit()
bnxt_en: Fix a VXLAN vs GENEVE issue
...
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If fb dimensions are larger than what can be scanned out, but the src
dimensions are not, the hw can still handle this. So clip.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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The same file in libdrm is, as is the tradition with the rest of libdrm,
etc, using an MIT license. To avoid complications in the future with
sync'ing the uapi header to libdrm, lets fix the license mismatch now
before there are any non-trivial commits from someone other than myself.
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Gabriel Laskar <gabriel@lse.epita.fr>
Cc: Mikko Rapeli <mikko.rapeli@iki.fi>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Emil Velikov <emil.l.velikov@gmail.com>
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