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Document the R-Car V3H (R8A77980) SoC in the R-Car LVDS bindings.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Document the R-Car V3H (R8A77980) SoC in the R-Car DU bindings; the DU
hardware has the same topology as in the R-Car V3M (R8A77970).
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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Add myself as a co-maintainer for the Renesas DRM drivers.
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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We accidentally forgot to set "ret" on this error path so it means we
return NULL instead of an error pointer. The caller checks for NULL and
changes it to an error pointer so it doesn't cause an issue at run time.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180914065615.GA12043@mwanda
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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CONFIG_INDIRECT_PIO
The !CONFIG_GENERIC_IOMAP version of ioport_map uses MMIO_UPPER_LIMIT to
prevent users from making I/O accesses outside the expected I/O range -
however it erroneously treats MMIO_UPPER_LIMIT as a mask which is
contradictory to its other users.
The introduction of CONFIG_INDIRECT_PIO, which subtracts an arbitrary
amount from IO_SPACE_LIMIT to form MMIO_UPPER_LIMIT, results in ioport_map
mangling the given port rather than capping it.
We address this by aligning more closely with the CONFIG_GENERIC_IOMAP
implementation of ioport_map by using the comparison operator and
returning NULL where the port exceeds MMIO_UPPER_LIMIT. Though note that
we preserve the existing behavior of masking with IO_SPACE_LIMIT such that
we don't break existing buggy drivers that somehow rely on this masking.
Fixes: 5745392e0c2b ("PCI: Apply the new generic I/O management on PCI IO hosts")
Reported-by: Will Deacon <will.deacon@arm.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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For finding the panel fitter and PLL for a particular modeset is a part
of that modeset and should be included with the reset of the
DRM_DEBUG_KMS.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180913131629.3978-1-chris@chris-wilson.co.uk
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The fbdev git tree referenced in the MAINTAINERS file doesn't exist
anymore. Update the location to point to the new git tree.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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It turns out OSXSAVE needs to be checked only for AVX, not for SSE.
Without this patch the affected modules refuse to load on CPUs with SSE2
but without AVX support.
Fixes: 877ccce7cbe8 ("crypto: x86/aegis,morus - Fix and simplify CPUID checks")
Cc: <stable@vger.kernel.org> # 4.18
Reported-by: Zdenek Kaspar <zkaspar82@gmail.com>
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
Pull printk fix from Petr Mladek:
"Revert a commit that caused "quiet", "debug", and "loglevel" early
parameters to be ignored for early boot messages"
* tag 'printk-for-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
Revert "printk: make sure to print log on console."
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fixes from Miklos Szeredi:
"This fixes a regression in the recent file stacking update, reported
and fixed by Amir Goldstein. The fix is fairly trivial, but involves
adding a fadvise() f_op and the associated churn in the vfs. As
discussed on -fsdevel, there are other possible uses for this method,
than allowing proper stacking for overlays.
And there's one other fix for a syzkaller detected oops"
* tag 'ovl-fixes-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: fix oopses in ovl_fill_super() failure paths
ovl: add ovl_fadvise()
vfs: implement readahead(2) using POSIX_FADV_WILLNEED
vfs: add the fadvise() file operation
Documentation/filesystems: update documentation of file_operations
ovl: fix GPF in swapfile_activate of file from overlayfs over xfs
ovl: respect FIEMAP_FLAG_SYNC flag
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Pull block fixes from Jens Axboe:
"Three fixes that should go into this series. This contains:
- Increase number of policies supported by blk-cgroup.
With blk-iolatency, we now have four in kernel, but we had a hard
limit of three...
- Fix regression in null_blk, where the zoned supported broke
queue_mode=0 (bio based).
- NVMe pull request, with a single fix for an issue in the rdma code"
* tag 'for-linus-20180913' of git://git.kernel.dk/linux-block:
null_blk: fix zoned support for non-rq based operation
blk-cgroup: increase number of supported policies
nvmet-rdma: fix possible bogus dereference under heavy load
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- DM verity fix for crash due to using vmalloc'd buffers with the
asynchronous crypto hadsh API.
- Fix to both DM crypt and DM integrity targets to discontinue using
CRYPTO_TFM_REQ_MAY_SLEEP because its use of GFP_KERNEL can lead to
deadlock by recursing back into a filesystem.
- Various DM raid fixes related to reshape and rebuild races.
- Fix for DM thin-provisioning to avoid data corruption that was a
side-effect of needing to abort DM thin metadata transaction due to
running out of metadata space. Fix is to reserve a small amount of
metadata space so that once it is used the DM thin-pool can finish
its active transaction before switching to read-only mode.
* tag 'for-4.19/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm thin metadata: try to avoid ever aborting transactions
dm raid: bump target version, update comments and documentation
dm raid: fix RAID leg rebuild errors
dm raid: fix rebuild of specific devices by updating superblock
dm raid: fix stripe adding reshape deadlock
dm raid: fix reshape race on small devices
dm: disable CRYPTO_TFM_REQ_MAY_SLEEP to fix a GFP_KERNEL recursion deadlock
dm verity: fix crash on bufio buffer that was allocated with vmalloc
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Pull drm fixes from Dave Airlie:
"This is the general drm fixes pull for rc4.
i915:
- Two GVT fixes (one for the mm reference issue you pointed out)
- Gen 2 video playback fix
- IPS timeout error suppression on Broadwell
amdgpu:
- Small memory leak
- SR-IOV reset
- locking fix
- updated SDMA golden registers
nouveau:
- Remove some leftover debugging"
* tag 'drm-fixes-2018-09-14' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau/devinit: fix warning when PMU/PRE_OS is missing
drm/amdgpu: fix error handling in amdgpu_cs_user_fence_chunk
drm/i915/overlay: Allocate physical registers from stolen
drm/amdgpu: move PSP init prior to IH in gpu reset
drm/amdgpu: Fix SDMA hang in prt mode v2
drm/amdgpu: fix amdgpu_mn_unlock() in the CS error path
drm/i915/bdw: Increase IPS disable timeout to 100ms
drm/i915/gvt: Fix the incorrect length of child_device_config issue
drm/i915/gvt: Fix life cycle reference on KVM mm
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore fix from Kees Cook:
"This fixes a 6 year old pstore bug that everyone just got lucky in
avoiding, likely due only using page-aligned persistent ram regions:
- Handle page-vs-byte offset handling between iomap and vmap (Bin Yang)"
* tag 'pstore-v4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
pstore: Fix incorrect persistent ram buffer mapping
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC host fixes from Ulf Hansson:
- meson-mx-sdio: Fix OF child-node lookup
- omap_hsmmc: Fix wakeirq handling on removal
* tag 'mmc-v4.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: meson-mx-sdio: fix OF child-node lookup
mmc: omap_hsmmc: fix wakeirq handling on removal
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- A complicated IRQ fix for the MSM driver (see commit)
- Fix the group/function check in the Ingenic driver
- Deal with a possible NULL pointer dereference in the Madera driver
* tag 'pinctrl-v4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: madera: Fix possible NULL pointer with pdata config
pinctrl: ingenic: Fix group & function error checking
pinctrl: msm: Really mask level interrupts to prevent latching
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
Pull percpu maintainership update from Tejun Heo:
"This updates the MAINTAINERS file to transfer the percpu tree
maintainership to Dennis Zhou.
Dennis rewrote a good portion of the percpu allocator, knows most of
percpu related code, is already listed as a co-maintainer, has been
reliable, and now sits right behind me. I'll keep reviewing and
involved with percpu stuff and am sure that Dennis will soon make a
better maintainer than I ever was"
* 'for-4.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
MAINTAINERS: Make Dennis the percpu tree maintainer
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git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel
Pull hexagon fixes from Richard Kuo:
"Some fixes for compile warnings"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel:
hexagon: modify ffs() and fls() to return int
arch/hexagon: fix kernel/dma.c build warning
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
- One fix for the zcrypt driver to correctly handle incomplete
encryption/decryption operations.
- A cleanup for the aqmask/apmask parsing to avoid variable length
arrays on the stack.
* tag 's390-4.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/zcrypt: remove VLA usage from the AP bus
s390/crypto: Fix return code checking in cbc_paes_crypt()
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Jann Horn points out that the vmacache_flush_all() function is not only
potentially expensive, it's buggy too. It also happens to be entirely
unnecessary, because the sequence number overflow case can be avoided by
simply making the sequence number be 64-bit. That doesn't even grow the
data structures in question, because the other adjacent fields are
already 64-bit.
So simplify the whole thing by just making the sequence number overflow
case go away entirely, which gets rid of all the complications and makes
the code faster too. Win-win.
[ Oleg Nesterov points out that the VMACACHE_FULL_FLUSHES statistics
also just goes away entirely with this ]
Reported-by: Jann Horn <jannh@google.com>
Suggested-by: Will Deacon <will.deacon@arm.com>
Acked-by: Davidlohr Bueso <dave@stgolabs.net>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 4.20:
UAPI Changes:
- Add host endian variants for the most common formats (Gerd)
- Fail ADDFB2 for big-endian drivers that don't advertise BE quirk (Gerd)
- clear smem_start in fbdev for drm drivers to avoid leaking fb addr (Daniel)
Cross-subsystem Changes:
Core Changes:
- fix drm_mode_addfb() on big endian machines (Gerd)
- add timeline point to syncobj find+replace (Chunming)
- more drmP.h removal effort (Daniel)
- split uapi portions of drm_atomic.c into drm_atomic_uapi.c (Daniel)
Driver Changes:
- bochs: Convert open-coded portions to use helpers (Peter)
- vkms: Add cursor support (Haneen)
- udmabuf: Lots of fixups (mostly cosmetic afaict) (Gerd)
- qxl: Convert to use fbdev helper (Peter)
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Chunming Zhou <david1.zhou@amd.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Peter Wu <peter@lekensteyn.nl>
Cc: Haneen Mohammed <hamohammed.sa@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20180913130254.GA156437@art_vandelay
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One more nouveau fix to remove some debug warnings.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Ben Skeggs <bskeggs@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CABDvA==GF63dy8a9j611=-0x8G6FRu7uC-ZQypsLO_hqV4OAcA@mail.gmail.com
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into drm-fixes
A few fixes for 4.19:
- Fix a small memory leak
- SR-IOV reset fix
- Fix locking in MMU-notifier error path
- Updated SDMA golden settings to fix a PRT hang
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180912154735.2683-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
This contains a regression fix for video playbacks on gen 2 hardware,
a IPS timeout error suppression on Broadwell and GVT bucked with
"Most critical one is to fix KVM's mm reference when we access guest memory,
issue was raised by Linus [1], and another one with virtual opregion fix."
[1] - https://lists.freedesktop.org/archives/intel-gvt-dev/2018-August/004130.html
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180911223229.GA30328@intel.com
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As reported by Reobert O'Callahan, since Viro's commit to kill
dev_ifsioc() we attempt to copy too much data in compat mode,
which may lead to EFAULT when the 32-bit version of struct ifreq
sits at/near the end of a page boundary, and the next page isn't
mapped.
Fix this by passing the approprate compat/non-compat size to copy
and using that, as before the dev_ifsioc() removal. This works
because only the embedded "struct ifmap" has different size, and
this is only used in SIOCGIFMAP/SIOCSIFMAP which has a different
handler. All other parts of the union are naturally compatible.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=199469.
Fixes: bf4405737f9f ("kill dev_ifsioc()")
Reported-by: Robert O'Callahan <robert@ocallahan.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IPC may cause underflows if not used with dual channel symmetric
memory configuration. Disable IPC for non symmetric configurations in
affected platforms.
Display WA #1141
Changes Since V1:
- Re-arrange the code.
- update wrapper to return if memory is symmetric (Rodrigo)
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180824093225.12598-6-mahesh1.kumar@intel.com
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If KMS decide to disable IPC make sure we override IPC configuration set
by BIOS.
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180824093225.12598-5-mahesh1.kumar@intel.com
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Memory with 16GB dimms require an increase of 1us in level-0 latency.
This patch implements the same.
Bspec: 4381
changes since V1:
- s/memdev_info/dram_info
- make skl_is_16gb_dimm pure function
Changes since V2:
- make is_16gb_dimm more generic
- rebase
Changes since V3:
- Simplify condition (Maarten)
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180831110942.9234-1-mahesh1.kumar@intel.com
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This patch adds support to decode system memory bandwidth and other
parameters for skylake and Gen9+ platforms, which will be used for
arbitrated display memory bandwidth calculation in GEN9 based
platforms and WM latency level-0 Work-around calculation on GEN9+.
Changes Since V1:
- s/memdev_info/dram_info
- create a struct to hold channel info
Changes Since V2:
- rewrite code to adhere i915 coding style
- not valid for GLK
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180824093225.12598-3-mahesh1.kumar@intel.com
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This patch adds support to decode system memory bandwidth and other
parameters for broxton platform, which will be used for arbitrated
display memory bandwidth calculation in GEN9 based platforms and
WM latency level-0 Work-around calculation on GEN9+ platforms.
Changes since V1:
- s/memdev_info/dram_info
Changes since V2:
- Adhere to i915 coding style (Rodrigo)
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180824093225.12598-2-mahesh1.kumar@intel.com
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Add Support to load DMC on Icelake.
While at it, also add support to load the firmware
during system resume.
v2: load firmware during system resume.(Imre)
v3: enable has_csr for icelake.(Jyoti)
v4: Only load the firmware in this patch
Cc: Jyoti Yadav <jyoti.r.yadav@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180828003844.4682-2-anusha.srivatsa@intel.com
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Instead of the double linked list. Gets the size of amdgpu_vm_pt down to
64 bytes again.
We could even reduce it down to 32 bytes, but that would require some
rather extreme hacks.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We can get that just by casting tv.bo.
v2: squash in kfd fix (Alex)
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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While cutting the lists we sometimes accidentally added a list_head from
the stack to the LRUs, effectively corrupting the list.
Remove the list cutting and use explicit list manipulation instead.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-and-Tested: Huang Rui <ray.huang@amd.com>
Tested-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Problem:
After GPU reset pflip completion IRQ is disabled and hence
any subsequent mode set or plane update leads to hang.
Fix:
Unless acrtc->otg_inst is initialized to -1 during display
block initializtion then durng resume from GPU reset
amdgpu_irq_gpu_reset_resume_helper will override CRTC 0 pflip
IRQ value with whatever value was on every other unused CRTC because
dm_irq_state will do irq_source = dal_irq_type + acrtc->otg_inst
where acrtc->otg_inst will be 0 for every unused CRTC.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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That should improve the PRT performance on Vega quite a bit.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The fragment size controls only the L1 on Vega/Raven and we now don't
have any extra overhead any more because of larger fragments.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This optimizes the generating of PTEs by walking the hierarchy only once
for a range and making changes as necessary.
It allows for both huge (2MB) as well giant (1GB) pages to be used on
Vega and Raven.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Less overhead and is the starting point for further cleanups and
improvements.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Less code and easier to maintain.
v2: rename the function as well
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Allows us to free all PDs/PTs without recursion.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Less code and allows for easier error handling.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Both a leaf as well as dfs iterator to walk over all the PDs/PTs.
v2: update comments and fix for_each_amdgpu_vm_pt_dfs_safe
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add error message when register failed to reach expected value, It will
help discover potential issue.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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4 GiB
If we have framebuffers that are >= 4GiB in size we will overflow
the fb size check in intel_fill_fb_info().
Currently that is only possible with NV12 and CCS as offsets[1]
may be anything between 0 and 0xffffffff. offsets[0] is currently
required to be 0 so we can't hit the overflow with any single
plane format (thanks to max fb size of 8kx8k and max stride of
32 KiB).
In the future we may allow almost any framebuffer to exceed 4GiB
in size so we really should fix the overflow. Not that the overflow
is particularly dangerous. It's mostly just a sanity check against
insane userspace. The display engine can't write to memory anyway
so I suppose in the worst case we might anger the hw by attempting
scanout past the end of the ggtt, or we might scan out some data
that we're not supposed to see from other parts of the ggtt.
Note that triggering this overflow depends on the driver
aligning the fb height to the next tile boundary to push the
calculated size above 4GiB. With linear buffers the effective
tile height is one so that never happens, and the core already
has a check for 32bit overflow of offsets[]+pitches[]*height.
v2: Drop the unnecessary cast (Chris)
Testcase: igt/kms_big_fb/x-tiled-addfb-size-offset-overflow
Testcase: igt/kms_big_fb/y-tiled-addfb-size-offset-overflow
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180912180443.28649-1-ville.syrjala@linux.intel.com
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Use I915_GTT_PAGE_SIZE when talking about GTT pages rather than
physical pages.
There are some PAGE_SHIFTs left though. Not sure if we want to
introduce I915_GTT_PAGE_SHIFT or what?
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk> # at least some of it :)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180913150405.706-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Dennis rewrote a significant portion of the percpu allocator and has
shown that he can respond in a timely and helpful manner when issues
are reported against percpu allocator.
Let's make Dennis the percpu tree maintainer.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
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When splitting a GSO segment that consists of encapsulated packets, the
skb->mac_len of the segments can end up being set wrong, causing packet
drops in particular when using act_mirred and ifb interfaces in
combination with a qdisc that splits GSO packets.
This happens because at the time skb_segment() is called, network_header
will point to the inner header, throwing off the calculation in
skb_reset_mac_len(). The network_header is subsequently adjust by the
outer IP gso_segment handlers, but they don't set the mac_len.
Fix this by adding skb_reset_mac_len() calls to both the IPv4 and IPv6
gso_segment handlers, after they modify the network_header.
Many thanks to Eric Dumazet for his help in identifying the cause of
the bug.
Acked-by: Dave Taht <dave.taht@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Johan Hedberg says:
====================
pull request: bluetooth 2018-09-13
A few Bluetooth fixes for the 4.19-rc series:
- Fixed rw_semaphore leak in hci_ldisc
- Fixed local Out-of-Band pairing data handling
Let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sabrina Dubroca says:
====================
tls: don't leave keys in kernel memory
There are a few places where the RX/TX key for a TLS socket is copied
to kernel memory. This series clears those memory areas when they're no
longer needed.
v2: add union tls_crypto_context, following Vakul Garg's comment
swap patch 2 and 3, using new union in patch 3
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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