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Link: https://lore.kernel.org/r/20241106120319.234238499@linuxfoundation.org
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: SeongJae Park <sj@kernel.org>
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20241107064547.006019150@linuxfoundation.org
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Pavel Machek (CIP) <pavel@denx.de>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Hardik Garg <hargar@linux.microsoft.com>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: kernelci.org bot <bot@kernelci.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3c5d61ae919cc377c71118ccc76fa6e8518023f8 upstream.
Improve readability of kvfree_rcu_queue_batch() function
in away that, after a first batch queuing, the loop is break
and success value is returned to a caller.
There is no reason to loop and check batches further as all
outstanding objects have already been picked and attached to
a certain batch to complete an offloading.
Fixes: 2b55d6a42d14 ("rcu/kvfree: Add kvfree_rcu_barrier() API")
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Closes: https://lore.kernel.org/lkml/ZvWUt2oyXRsvJRNc@pc636/T/
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit dc783ba4b9df3fb3e76e968b2cbeb9960069263c upstream.
Ben Greear reports following splat:
------------[ cut here ]------------
net/netfilter/nf_nat_core.c:1114 module nf_nat func:nf_nat_register_fn has 256 allocated at module unload
WARNING: CPU: 1 PID: 10421 at lib/alloc_tag.c:168 alloc_tag_module_unload+0x22b/0x3f0
Modules linked in: nf_nat(-) btrfs ufs qnx4 hfsplus hfs minix vfat msdos fat
...
Hardware name: Default string Default string/SKYBAY, BIOS 5.12 08/04/2020
RIP: 0010:alloc_tag_module_unload+0x22b/0x3f0
codetag_unload_module+0x19b/0x2a0
? codetag_load_module+0x80/0x80
nf_nat module exit calls kfree_rcu on those addresses, but the free
operation is likely still pending by the time alloc_tag checks for leaks.
Wait for outstanding kfree_rcu operations to complete before checking
resolves this warning.
Reproducer:
unshare -n iptables-nft -t nat -A PREROUTING -p tcp
grep nf_nat /proc/allocinfo # will list 4 allocations
rmmod nft_chain_nat
rmmod nf_nat # will WARN.
[akpm@linux-foundation.org: add comment]
Link: https://lkml.kernel.org/r/20241007205236.11847-1-fw@strlen.de
Fixes: a473573964e5 ("lib: code tagging module support")
Signed-off-by: Florian Westphal <fw@strlen.de>
Reported-by: Ben Greear <greearb@candelatech.com>
Closes: https://lore.kernel.org/netdev/bdaaef9d-4364-4171-b82b-bcfc12e207eb@candelatech.com/
Cc: Uladzislau Rezki <urezki@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
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commit 2b55d6a42d14c8675e38d6d9adca3014fdf01951 upstream.
Add a kvfree_rcu_barrier() function. It waits until all
in-flight pointers are freed over RCU machinery. It does
not wait any GP completion and it is within its right to
return immediately if there are no outstanding pointers.
This function is useful when there is a need to guarantee
that a memory is fully freed before destroying memory caches.
For example, during unloading a kernel module.
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 33549fcf37ec461f398f0a41e1c9948be2e5aca4 upstream.
During the discussion before supporting rust on riscv, it was decided
not to support gcc yet, due to differences in extension handling
compared to llvm (only the version of libclang matching the c compiler
is supported). Recently Jason Montleon reported [1] that building with
gcc caused build issues, due to unsupported arguments being passed to
libclang. After some discussion between myself and Miguel, it is better
to disable gcc + rust builds to match the original intent, and
subsequently support it when an appropriate set of extensions can be
deduced from the version of libclang.
Closes: https://lore.kernel.org/all/20240917000848.720765-2-jmontleo@redhat.com/ [1]
Link: https://lore.kernel.org/all/20240926-battering-revolt-6c6a7827413e@spud/ [2]
Fixes: 70a57b247251a ("RISC-V: enable building 64-bit kernels with rust support")
Cc: stable@vger.kernel.org
Reported-by: Jason Montleon <jmontleo@redhat.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20241001-playlist-deceiving-16ece2f440f5@spud
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 90a88784cdb7757feb8dd520255e6cb861f30943 upstream.
Export the symbol __cmpxchg_small() for btrfs.ko that uses it to store
blk_status_t, which is u8. Reported by LKP:
>> ERROR: modpost: "__cmpxchg_small" [fs/btrfs/btrfs.ko] undefined!
Patch using the cmpxchg() https://lore.kernel.org/linux-btrfs/1d4f72f7fee285b2ddf4bf62b0ac0fd89def5417.1728575379.git.naohiro.aota@wdc.com/
Link: https://lore.kernel.org/all/20241016134919.GO1609@suse.cz/
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7c210ca5a2d72868e5a052fc533d5dcb7e070f89 upstream.
Some devices do not support fullscreen 3D.
v2: Make the check generic.
Fixes: ec1aab7816b0 ("drm/amdgpu/swsmu: default to fullscreen 3D profile for dGPUs")
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Kenneth Feng <kenneth.feng@amd.com>
Cc: Lijo Lazar <lijo.lazar@amd.com>
(cherry picked from commit 1cdd67510e54e3832f14a885dbf5858584558650)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 090f612756a9720ec18b0b130e28be49839d7cb5 upstream.
The code is slightly reformatted to consistently check field availability
without duplication.
Fixes: 556bdf27c2dd ("ntfs3: Add bounds checking to mi_enum_attr()")
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ec1aab7816b06c32f42935e34ce3a3040c778afb upstream.
This uses more aggressive hueristics than the the bootup default
profile. On windows the OS has a special fullscreen 3D mode
where this is used. Since we don't have the equivalent on Linux
default to this profile for dGPUs.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3618
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/1500
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3131
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 336568de918e08c825b3b1cbe2ec809f2fc26d94)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b932d5ad9257f262a0bfd1bd7146120b0adc11a7 upstream.
No change in functionality for the current code, but we
need to set the index properly before changing it if we
ever use a non-0 index.
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f0ffa657e9f3913c7921cbd4d876343401f15f52 upstream.
Register GAMREQSTRM_CTRL should be considered mcr register
which should write to all slices as per documentation.
Bspec: 71185
Fixes: 01570b446939 ("drm/xe/bmg: implement Wa_16023588340")
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240814095614.909774-3-tejas.upadhyay@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4551d60299b5ddc2655b6b365a4b92634e14e04f upstream.
Register STATELESS_COMPRESSION_CTRL should be considered
mcr register which should write to all slices as per
documentation.
Bspec: 71185
Fixes: ecabb5e6ce54 ("drm/xe/xe2: Add performance turning changes")
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Reviewed-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240814095614.909774-4-tejas.upadhyay@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ecabb5e6ce54711c28706fc794d77adb3ecd0605 upstream.
Update performance tuning according to the hardware spec.
Bspec: 72161
Signed-off-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
Reviewed-by: Sai Teja Pottumuttu <sai.teja.pottumuttu@intel.com>
Reviewed-by: Akshata Jahagirdar <akshata.jahagirdar@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240805053710.877119-1-shekhar.chauhan@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2009e808bc3e0df6d4d83e2271bc25ae63a4ac05 upstream.
Add Compression Performance Improvement Changes in Xe2
v2: Rebase
v3: Rebase, updated as per latest changes on bspec,
Removed unnecessary default actions (Matt)
formatting nits (Tejas)
v4: Formatting nits, removed default set action for bit 14 (Matt)
Bspec: 72161
Signed-off-by: Akshata Jahagirdar <akshata.jahagirdar@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c2dd753fdc55df6a6432026f2df9c2684a0d25c1.1722607628.git.akshata.jahagirdar@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e4ac526c440af8aa94d2bdfe6066339dd93b4db2 upstream.
Add performance tuning changes for Xe2_HPG
Bspec: 72161
Signed-off-by: Sai Teja Pottumuttu <sai.teja.pottumuttu@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240724121521.2347524-1-sai.teja.pottumuttu@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ab0d6ef864c5fa820e894ee1a07f861e63851664 upstream.
xe_gt_enable_host_l2_vram() is reading the XE2_GAMREQSTRM_CTRL register
that is currently missing the MCR annotation. However, just adding the
annotation doesn't work as this function is called before MCR handling
is initialized in xe_gt_mcr_init().
xe_gt_enable_host_l2_vram() is used to implement WA 16023588340 that
needs to be done as early as possible during initialization in order to
be effective since the MMIO writes impact it. In the failure scenario,
driver would simply not be able to bind successfully.
Moving xe_gt_enable_host_l2_vram() later, after MCR initialization is
done, only incurs a few additional HW accesses, particularly when
loading GuC for hwconfig. Binding/unbinding the driver 100 times in BMG
still works so it should be ok to start handling the WA a little bit
later. This is sufficient to allow adding the MCR annotation to
XE2_GAMREQSTRM_CTRL.
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240814095614.909774-2-tejas.upadhyay@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit da9a73b7b25eab574cb9c984fcce0b5e240bdd2c upstream.
Wa_15016589081 applies to xe2_hpg renderCS
V2(Gustavo)
- rename bit macro
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240904101333.2049655-1-tejas.upadhyay@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
(cherry picked from commit 9db969b36b2fbca13ad4088aff725ebd5e8142f5)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 014125c64d09e58e90dde49fbb57d802a13e2559 upstream.
Setting 'nomodeset' on the kernel command line disables all graphics
drivers with modesetting capabilities, leaving only firmware drivers,
such as simpledrm or efifb.
Most DRM drivers automatically support 'nomodeset' via DRM's module
helper macros. In xe, which uses regular module_init(), manually call
drm_firmware_drivers_only() to test for 'nomodeset'. Do not register
the driver if set.
v2:
- use xe's init table (Lucas)
- do NULL test for init/exit functions
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240827121003.97429-1-tzimmermann@suse.de
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4cce34b3835b6f7dc52ee2da95c96b6364bb72e5 upstream.
>>From now on expect Tile4 not to be using compression
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240816115229.531671-2-juhapekka.heikkila@gmail.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a8efd8ce280996fe29f2564f705e96e18da3fa62 upstream.
Similarly as for PSR2 CRC calculation seems to timeout when Panel Replay is
enabled. Fix this by falling back to PSR if CRC calculation is enabled.
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/2266
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240819092549.1298233-1-jouni.hogander@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f15e5587448989a55cf8b4feaad0df72ca3aa6a0 upstream.
With rawclk_freq moved to display runtime info, xe has no users left for
them.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9f09274bddc14f555c0102f37af6df23b4433102.1724144570.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a9556637a23311dea96f27fa3c3e5bfba0b38ae4 upstream.
It's mostly about display, so move it under display. This should also
fix rawclk freq initialization in the xe driver.
v2: Change the init location
Link: https://lore.kernel.org/r/20240819133138.147511-2-maarten.lankhorst@linux.intel.com
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/39330d09c48509e013f01fd0247a9b7c291173e2.1724144570.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c7085d08c7e53d9aef0cdd4b20798356f6f5d469 upstream.
Disable bit 29 of SCLKGATE_DIS register around pps sequence
when we turn panel power on.
--v2
-Squash two commit together [Jani]
-Use IS_DISPLAY_VER [Jani]
-Fix multiline comment [Jani]
--v3
-Define register in a more appropriate place [Mitul]
--v4
-Register is already defined no need to define it again [Ville]
-Use correct WA number (lineage no.) [Dnyaneshwar]
-Fix the range on which this WA is applied [Dnyaneshwar]
Bspec: 49304
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240813042807.4015214-1-suraj.kandpal@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit eb53e5b933b9ff315087305b3dc931af3067d19c upstream.
AS SDP should be computed when VRR timing generator is also enabled.
Correct the compute condition to compute params of Adaptive sync SDP
when VRR timing genrator is enabled along with sink support indication.
--v2:
Modify if condition (Jani).
Fixes: b2013783c445 ("drm/i915/display: Cache adpative sync caps to use it later")
Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Cc: Arun R Murthy <arun.r.murthy@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: intel-xe@lists.freedesktop.org
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
(added prefix drm in subject)
Link: https://patchwork.freedesktop.org/patch/msgid/20240730040941.396862-1-mitulkumar.ajitkumar.golani@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3e307d6c28e7bc7d94b5699d0ed7fe07df6db094 upstream.
Clear VSC SDP if intel_dp_set_infoframes is called from post ddi disable
routine i.e with the variable of enable as false. This is to avoid
an infoframes.enable mismatch issue which is caused when pipe is
connected to eDp which has psr then connected to DPMST. In this case
eDp's post ddi disable routine does not clear infoframes.enable VSC
for the given pipe and DPMST does not recompute VSC SDP and write
infoframes.enable which causes a mismatch.
--v2
-Make the comment match the code [Jani]
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240724163743.3668407-1-suraj.kandpal@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d34f4f058edf1235c103ca9c921dc54820d14d40 upstream.
Add encoder check in intel_hdcp2_get_capability to avoid
null pointer error.
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240722064451.3610512-3-suraj.kandpal@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 31b42af516afa1e184d1a9f9dd4096c54044269a upstream.
Sometimes during hotplug scenario or suspend/resume scenario encoder is
not always initialized when intel_hdcp_get_capability add
a check to avoid kernel null pointer dereference.
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240722064451.3610512-2-suraj.kandpal@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7fbad577c82c5dd6db7217855c26f51554e53d85 upstream.
The dispcnlunit1_cp_xosc_clk should be de-asserted in display off
and only asserted in display on. As part of this workaround, Display
driver shall execute set-reset sequence at the end of the initialize
sequence to ensure clk does not remain active in display OFF.
--v2:
- Rebase.
--v3:
- Correct HSD number in commit message.
--v4:
- Reformat commit message.
- Use intel_de_rmw instead of intel_de_write
--v5:
- Build Fixes.
WA: 15013987218
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Nemesa Garg <nemesa.garg@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240708083247.2611258-1-mitulkumar.ajitkumar.golani@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b2013783c4458a1fe8b25c0b249d2e878bcf6999 upstream.
Add new member to struct intel_dp to cache support of Adaptive Sync
SDP capabilities and use it whenever required to avoid HW access
to read capability during each atomic commit.
-v2:
- Squash both the patches
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240704082638.2302092-2-mitulkumar.ajitkumar.golani@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c55f79f317ab428ae6d005965bc07e37496f209f upstream.
On BMG-G21 we need to disable fbc due to complications around the WA.
v2:
- Try to handle with i915_drv.h and compat layer. (Rodrigo)
v3:
- For simplicity retreat back to the original design for now.
- Drop the extra \ from the Makefile (Jani)
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Jonathan Cavitt <jonathan.cavitt@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Vinod Govindapillai <vinod.govindapillai@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240703124338.208220-4-matthew.auld@intel.com
[ commit dc0f1644c47e ("drm/xe: Generate oob before compiling anything")
makes part of the change to the Makefile not needed.
Drop that to resolve conflict. ]
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9fc97277eb2d17492de636b68cf7d2f5c4f15c1b upstream.
Starting with Xe_LPD+, although FIA is still used to readout Type-C pin
assignment, part of Type-C support is moved to PICA and programming
PORT_TX_DFLEXDPMLE1(*) registers is not applicable anymore like it was
for previous display IPs (e.g. see BSpec 49190).
v2:
- Mention Bspec 49190 as a reference of instructions for previous
IPs. (Shekhar Chauhan)
- s/Xe_LPDP/Xe_LPD+/ in the commit message. (Matt Roper)
- Update commit message to be more accurate to the changes in the IP.
(Imre Deak)
Bspec: 65750, 65448
Reviewed-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240625202652.315936-1-gustavo.sousa@intel.com
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 27727cb6604e0998d03d9ec063b517b239d2bb0f upstream.
Add the missing clkref enable and pipediv2 clocks to the PCIe4 and
PCIe6a PHYs.
Fixes: 5eb83fc10289 ("arm64: dts: qcom: x1e80100: Add PCIe nodes")
Cc: stable@vger.kernel.org # 6.9
Cc: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Konrad Dybcio <konradybcio@kernel.org>
Link: https://lore.kernel.org/r/20240916082307.29393-3-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 80fe25fcc605209b707583e3337e3cd40b7ed0bf upstream.
Add missing Broadcast_AND region to the LLCC block for x1e80100,
as the LLCC version on this platform is 4.1 and it provides the region.
This also fixes the following error caused by the missing region:
[ 3.797768] qcom-llcc 25000000.system-cache-controller: error -EINVAL: invalid resource (null)
This error started showing up only after the new regmap region called
Broadcast_AND that has been added to the llcc-qcom driver.
Cc: stable@vger.kernel.org # 6.11: 055afc34fd21: soc: qcom: llcc: Add regmap for Broadcast_AND region
Fixes: af16b00578a7 ("arm64: dts: qcom: Add base X1E80100 dtsi and the QCP dts")
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20241014-x1e80100-dts-llcc-add-broadcastand_region-v2-1-5ee6ac128627@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 409dc5196d5b6eb67468a06bf4d2d07d7225a67b upstream.
The flexspi on imx8ulp only has 16 LUTs, and imx8mm flexspi has
32 LUTs, so correct the compatible string here, otherwise will
meet below error:
[ 1.119072] ------------[ cut here ]------------
[ 1.123926] WARNING: CPU: 0 PID: 1 at drivers/spi/spi-nxp-fspi.c:855 nxp_fspi_exec_op+0xb04/0xb64
[ 1.133239] Modules linked in:
[ 1.136448] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-rc6-next-20240902-00001-g131bf9439dd9 #69
[ 1.146821] Hardware name: NXP i.MX8ULP EVK (DT)
[ 1.151647] pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 1.158931] pc : nxp_fspi_exec_op+0xb04/0xb64
[ 1.163496] lr : nxp_fspi_exec_op+0xa34/0xb64
[ 1.168060] sp : ffff80008002b2a0
[ 1.171526] x29: ffff80008002b2d0 x28: 0000000000000000 x27: 0000000000000000
[ 1.179002] x26: ffff2eb645542580 x25: ffff800080610014 x24: ffff800080610000
[ 1.186480] x23: ffff2eb645548080 x22: 0000000000000006 x21: ffff2eb6455425e0
[ 1.193956] x20: 0000000000000000 x19: ffff80008002b5e0 x18: ffffffffffffffff
[ 1.201432] x17: ffff2eb644467508 x16: 0000000000000138 x15: 0000000000000002
[ 1.208907] x14: 0000000000000000 x13: ffff2eb6400d8080 x12: 00000000ffffff00
[ 1.216378] x11: 0000000000000000 x10: ffff2eb6400d8080 x9 : ffff2eb697adca80
[ 1.223850] x8 : ffff2eb697ad3cc0 x7 : 0000000100000000 x6 : 0000000000000001
[ 1.231324] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 00000000000007a6
[ 1.238795] x2 : 0000000000000000 x1 : 00000000000001ce x0 : 00000000ffffff92
[ 1.246267] Call trace:
[ 1.248824] nxp_fspi_exec_op+0xb04/0xb64
[ 1.253031] spi_mem_exec_op+0x3a0/0x430
[ 1.257139] spi_nor_read_id+0x80/0xcc
[ 1.261065] spi_nor_scan+0x1ec/0xf10
[ 1.264901] spi_nor_probe+0x108/0x2fc
[ 1.268828] spi_mem_probe+0x6c/0xbc
[ 1.272574] spi_probe+0x84/0xe4
[ 1.275958] really_probe+0xbc/0x29c
[ 1.279713] __driver_probe_device+0x78/0x12c
[ 1.284277] driver_probe_device+0xd8/0x15c
[ 1.288660] __device_attach_driver+0xb8/0x134
[ 1.293316] bus_for_each_drv+0x88/0xe8
[ 1.297337] __device_attach+0xa0/0x190
[ 1.301353] device_initial_probe+0x14/0x20
[ 1.305734] bus_probe_device+0xac/0xb0
[ 1.309752] device_add+0x5d0/0x790
[ 1.313408] __spi_add_device+0x134/0x204
[ 1.317606] of_register_spi_device+0x3b4/0x590
[ 1.322348] spi_register_controller+0x47c/0x754
[ 1.327181] devm_spi_register_controller+0x4c/0xa4
[ 1.332289] nxp_fspi_probe+0x1cc/0x2b0
[ 1.336307] platform_probe+0x68/0xc4
[ 1.340145] really_probe+0xbc/0x29c
[ 1.343893] __driver_probe_device+0x78/0x12c
[ 1.348457] driver_probe_device+0xd8/0x15c
[ 1.352838] __driver_attach+0x90/0x19c
[ 1.356857] bus_for_each_dev+0x7c/0xdc
[ 1.360877] driver_attach+0x24/0x30
[ 1.364624] bus_add_driver+0xe4/0x208
[ 1.368552] driver_register+0x5c/0x124
[ 1.372573] __platform_driver_register+0x28/0x34
[ 1.377497] nxp_fspi_driver_init+0x1c/0x28
[ 1.381888] do_one_initcall+0x80/0x1c8
[ 1.385908] kernel_init_freeable+0x1c4/0x28c
[ 1.390472] kernel_init+0x20/0x1d8
[ 1.394138] ret_from_fork+0x10/0x20
[ 1.397885] ---[ end trace 0000000000000000 ]---
[ 1.407908] ------------[ cut here ]------------
Fixes: ef89fd56bdfc ("arm64: dts: imx8ulp: add flexspi node")
Cc: stable@kernel.org
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 37f9477ce9d07ed87f6efe9b99de580bc9d27df5 upstream.
The NVMe regulator has been left enabled by the boot firmware. Mark it
as such to avoid disabling the regulator temporarily during boot.
Fixes: eb57cbe730d1 ("arm64: dts: qcom: x1e80100: Describe the PCIe 6a resources")
Cc: stable@vger.kernel.org # 6.11
Cc: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241016145112.24785-3-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 717f0637ffc6a6a59f838df94a7d61e643c98d62 upstream.
The NVMe regulator has been left enabled by the boot firmware. Mark it
as such to avoid disabling the regulator temporarily during boot.
Fixes: eb57cbe730d1 ("arm64: dts: qcom: x1e80100: Describe the PCIe 6a resources")
Cc: stable@vger.kernel.org # 6.11
Cc: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241016145112.24785-7-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f3bba5eb46ddb8f460fc808a65050a9bf2f7ef23 upstream.
The fourth PCIe controller is connected to the PCIe North ANoC.
Fix the corresponding interconnect property so that the OS manages the
right path.
Fixes: 5eb83fc10289 ("arm64: dts: qcom: x1e80100: Add PCIe nodes")
Cc: stable@vger.kernel.org # 6.9
Cc: Abel Vesa <abel.vesa@linaro.org>
Cc: Sibi Sankar <quic_sibis@quicinc.com>
Cc: Rajendra Nayak <quic_rjendra@quicinc.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241024131101.13587-2-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c6d151f61b6703124e14bc0eae98d05206e36e02 upstream.
The NVMe regulator has been left enabled by the boot firmware. Mark it
as such to avoid disabling the regulator temporarily during boot.
Fixes: d0e2f8f62dff ("arm64: dts: qcom: Add device tree for ASUS Vivobook S 15")
Cc: stable@vger.kernel.org # 6.11
Cc: Xilin Wu <wuxilin123@gmail.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241016145112.24785-4-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7af1418500124150f9fd24e1a5b9c288771df271 upstream.
The 32-bit BAR spaces are reaching outside their assigned register
regions. Shrink them to match their actual sizes.
This resolves an issue where the regions overlap and one of the
controllers won't come up, which can be seen in the log as:
qcom-pcie 1c08000.pci: resource collision: [mem 0x7c300000-0x7fffffff] conflicts with 1c00000.pci dbi [mem 0x7e000000-0x7e000f1c]
While at it, unify the style.
Fixes: 5eb83fc10289 ("arm64: dts: qcom: x1e80100: Add PCIe nodes")
Cc: stable@vger.kernel.org
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Tested-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240710-topic-barman-v1-1-5f63fca8d0fc@linaro.org
[bjorn: Added note about overlapping resource regions]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1badd07e4c0e1ecfb187dcba05357c0f3e70e797 upstream.
The NVMe regulator has been left enabled by the boot firmware. Mark it
as such to avoid disabling the regulator temporarily during boot.
Fixes: 45247fe17db2 ("arm64: dts: qcom: x1e80100: add Lenovo Thinkpad Yoga slim 7x devicetree")
Cc: stable@vger.kernel.org # 6.11
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241016145112.24785-5-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d92e9ea2f0f918d7b01cbacb838288bffccc8954 upstream.
Commit 22e4e43484c4 ("arm64: dts: qcom: msm8939: Use mboxes
properties for APCS") broke the boot on msm8939 platforms.
The issue comes from the SMD driver failing to request the mbox
channel because of circular dependencies:
1. rpm -> apcs1_mbox -> rpmcc (RPM_SMD_XO_CLK_SRC) -> rpm.
2. rpm -> apcs1_mbox -> gcc -> rpmcc (RPM_SMD_XO_CLK_SRC) -> rpm
3. rpm -> apcs1_mbox -> apcs2 -> gcc -> rpmcc (RPM_SMD_XO_CLK_SRC) -> rpm
To fix this issue let's switch back to using the deprecated
qcom,ipc property for the RPM node.
Fixes: 22e4e43484c4 ("arm64: dts: qcom: msm8939: Use mboxes properties for APCS")
Signed-off-by: Fabien Parent <fabien.parent@linaro.org>
Link: https://lore.kernel.org/r/20240904-msm8939-rpm-apcs-fix-v1-1-b608e7e48fe1@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2e11e78667db90a9e732fbe42820e734d0658fc7 upstream.
Aurelien reported probe failures due to the csi node being enabled
without having a camera attached to it. A camera was in the initial
submissions, but was removed from the dts, as it had not actually been
present on the board, but was from an addon board used by the
developer of the relevant drivers. The non-camera pipeline nodes were
not disabled when this happened and the probe failures are problematic
for Debian. Disable them.
CC: stable@vger.kernel.org
Fixes: 28ecaaa5af192 ("riscv: dts: starfive: jh7110: Add camera subsystem nodes")
Closes: https://lore.kernel.org/all/Zw1-vcN4CoVkfLjU@aurel32.net/
Reported-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 825bb69228c8ab85637d21cdf4d44207937130b6 upstream.
Improve function of Star64 bottom network port phy0 with updated delay values.
Initial upstream patches supporting Star64 use the same vendor board support
package parameters known to result in an unreliable bottom network port.
Success acquiring DHCP lease and no dropped packets to ping LAN address:
rx 900: tx 1500 1650 1800 1950
rx 750: tx 1650 1800 1950
rx 600: tx 1800 1950
rx 1050: tx 1650 1800 1950
rx 1200: tx 1500 1650 1800 1950
rx 1350: tx 1500 1650 1800 1950
rx 1500: tx 1500 1650 1800 1950
rx 1650: tx 1500 1650 1800 1950
rx 1800: tx 1500 1650 1800 1950
rx 1900: tx 1950
rx 1950: tx 1950
Failure acquiring DHCP lease or many dropped packets:
rx 450: tx 1500 1800 1950
rx 600: tx 1200 1350 1650
rx 750: tx 1350 1500
rx 900: tx 1200 1350
rx 1050: tx 1050 1200 1350 1500
rx 1200: tx 1350
rx 1350: tx 1350
rx 1500: tx 1200 1350
rx 1650: tx 1050 1200 1350
rx 1800: tx 1050 1200 1350
rx 1900: tx 1500 1650 1800
rx 1950: tx 1200 1350
Non-functional:
rx 0: tx 0 150 300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950
rx 150: tx 0 150 300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950
rx 300: tx 0 150 300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950
rx 450: tx 0 150 300 450 600 750 900 1050 1200 1350 1650
rx 600: tx 0 150 300 450 600 750 900 1050
rx 750: tx 0 150 300 450 600 750 900 1050 1200
rx 900: tx 0 150 300 450 600 750 900 1050
rx 1050: tx 0 150 300 450 600 750 900
rx 1200: tx 0 150 300 450 600 750 900 1050 1200
rx 1350: tx 0 150 300 450 600 750 900 1050 1200
rx 1500: tx 0 150 300 450 600 750 900 1050
rx 1650: tx 0 150 300 450 600 750 900
rx 1800: tx 0 150 300 450 600 750 900
rx 1900: tx 0 150 300 450 600 750 900 1050 1200 1350
rx 1950: tx 0 150 300 450 600 750 900 1050
Selecting the median of all working rx delay values 1500 combined with tx delay
values 1500, 1650, 1800, and 1950 only the tx delay value of 1950 (default) is
reliable as tested in both Linux 6.11.2 and U-Boot v2024.10
Signed-off-by: E Shattow <e@freeshell.de>
CC: stable@vger.kernel.org
Fixes: 2606bf583b962 ("riscv: dts: starfive: add Star64 board devicetree")
Acked-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 1d4832becdc2cdb2cffe2a6050c9d9fd8ff1c58c ]
When the MM_WALK capability is enabled, memory that is mostly accessed by
a VM appears younger than it really is, therefore this memory will be less
likely to be evicted. Therefore, the presence of a running VM can
significantly increase swap-outs for non-VM memory, regressing the
performance for the rest of the system.
Fix this regression by always calling {ptep,pmdp}_clear_young_notify()
whenever we clear the young bits on PMDs/PTEs.
[jthoughton@google.com: fix link-time error]
Link: https://lkml.kernel.org/r/20241019012940.3656292-3-jthoughton@google.com
Fixes: bd74fdaea146 ("mm: multi-gen LRU: support page table walks")
Signed-off-by: Yu Zhao <yuzhao@google.com>
Signed-off-by: James Houghton <jthoughton@google.com>
Reported-by: David Stevens <stevensd@google.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Matlack <dmatlack@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Wei Xu <weixugc@google.com>
Cc: <stable@vger.kernel.org>
Cc: kernel test robot <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c495b97624d0c059b0403e26dadb166d69918409 ]
The releasing process of the non-shared anonymous folio mapped solely by
an exiting process may go through two flows: 1) the anonymous folio is
firstly is swaped-out into swapspace and transformed into a swp_entry in
shrink_folio_list; 2) then the swp_entry is released in the process
exiting flow. This will result in the high cpu load of releasing a
non-shared anonymous folio mapped solely by an exiting process.
When the low system memory and the exiting process exist at the same time,
it will be likely to happen, because the non-shared anonymous folio mapped
solely by an exiting process may be reclaimed by shrink_folio_list.
This patch is that shrink skips the non-shared anonymous folio solely
mapped by an exting process and this folio is only released directly in
the process exiting flow, which will save swap-out time and alleviate the
load of the process exiting.
Barry provided some effectiveness testing in [1]. "I observed that
this patch effectively skipped 6114 folios (either 4KB or 64KB mTHP),
potentially reducing the swap-out by up to 92MB (97,300,480 bytes)
during the process exit. The working set size is 256MB."
Link: https://lkml.kernel.org/r/20240710083641.546-1-justinjiang@vivo.com
Link: https://lore.kernel.org/linux-mm/20240710033212.36497-1-21cnbao@gmail.com/ [1]
Signed-off-by: Zhiguo Jiang <justinjiang@vivo.com>
Acked-by: Barry Song <baohua@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Stable-dep-of: 1d4832becdc2 ("mm: multi-gen LRU: use {ptep,pmdp}_clear_young_notify()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ddd6d8e975b171ea3f63a011a75820883ff0d479 ]
Patch series "mm: multi-gen LRU: Have secondary MMUs participate in
MM_WALK".
Today, the MM_WALK capability causes MGLRU to clear the young bit from
PMDs and PTEs during the page table walk before eviction, but MGLRU does
not call the clear_young() MMU notifier in this case. By not calling this
notifier, the MM walk takes less time/CPU, but it causes pages that are
accessed mostly through KVM / secondary MMUs to appear younger than they
should be.
We do call the clear_young() notifier today, but only when attempting to
evict the page, so we end up clearing young/accessed information less
frequently for secondary MMUs than for mm PTEs, and therefore they appear
younger and are less likely to be evicted. Therefore, memory that is
*not* being accessed mostly by KVM will be evicted *more* frequently,
worsening performance.
ChromeOS observed a tab-open latency regression when enabling MGLRU with a
setup that involved running a VM:
Tab-open latency histogram (ms)
Version p50 mean p95 p99 max
base 1315 1198 2347 3454 10319
mglru 2559 1311 7399 12060 43758
fix 1119 926 2470 4211 6947
This series replaces the final non-selftest patchs from this series[1],
which introduced a similar change (and a new MMU notifier) with KVM
optimizations. I'll send a separate series (to Sean and Paolo) for the
KVM optimizations.
This series also makes proactive reclaim with MGLRU possible for KVM
memory. I have verified that this functions correctly with the selftest
from [1], but given that that test is a KVM selftest, I'll send it with
the rest of the KVM optimizations later. Andrew, let me know if you'd
like to take the test now anyway.
[1]: https://lore.kernel.org/linux-mm/20240926013506.860253-18-jthoughton@google.com/
This patch (of 2):
The removed stats, MM_LEAF_OLD and MM_NONLEAF_TOTAL, are not very helpful
and become more complicated to properly compute when adding
test/clear_young() notifiers in MGLRU's mm walk.
Link: https://lkml.kernel.org/r/20241019012940.3656292-1-jthoughton@google.com
Link: https://lkml.kernel.org/r/20241019012940.3656292-2-jthoughton@google.com
Fixes: bd74fdaea146 ("mm: multi-gen LRU: support page table walks")
Signed-off-by: Yu Zhao <yuzhao@google.com>
Signed-off-by: James Houghton <jthoughton@google.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Matlack <dmatlack@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: David Stevens <stevensd@google.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Wei Xu <weixugc@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit bceeeaed4817ba7ad9013b4116c97220a60fcf7c ]
When non-leaf pmd accessed bits are available, MGLRU page table walks can
clear the non-leaf pmd accessed bit and ignore the accessed bit on the pte
if it's on a different node, skipping a generation update as well. If
another scan occurs on the same node as said skipped pte.
The non-leaf pmd accessed bit might remain cleared and the pte accessed
bits won't be checked. While this is sufficient for reclaim-driven aging,
where the goal is to select a reasonably cold page, the access can be
missed when aging proactively for workingset estimation of a node/memcg.
In more detail, get_pfn_folio returns NULL if the folio's nid != node
under scanning, so the page table walk skips processing of said pte. Now
the pmd_young flag on this pmd is cleared, and if none of the pte's are
accessed before another scan occurs on the folio's node, the pmd_young
check fails and the pte accessed bit is skipped.
Since force_scan disables various other optimizations, we check force_scan
to ignore the non-leaf pmd accessed bit.
Link: https://lkml.kernel.org/r/20240813163759.742675-1-yuanchu@google.com
Signed-off-by: Yuanchu Xie <yuanchu@google.com>
Acked-by: Yu Zhao <yuzhao@google.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Lance Yang <ioworker0@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Stable-dep-of: ddd6d8e975b1 ("mm: multi-gen LRU: remove MM_LEAF_OLD and MM_NONLEAF_TOTAL stats")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 071b24b54d2d05fbf39ddbb27dee08abd1d713f3 ]
Commit d469647bafd9 ("Input: simplify event handling logic") introduced
code that would set handler->events() method to either
input_handler_events_filter() or input_handler_events_default() or
input_handler_events_null(), depending on the kind of input handler
(a filter or a regular one) we are dealing with. Unfortunately this
breaks cases when we try to re-register the same filter (as is the case
with sysrq handler): after initial registration the handler will have 2
event handling methods defined, and will run afoul of the check in
input_handler_check_methods():
input: input_handler_check_methods: only one event processing method can be defined (sysrq)
sysrq: Failed to register input handler, error -22
Fix this by adding handle_events() method to input_handle structure and
setting it up when registering a new input handle according to event
handling methods defined in associated input_handler structure, thus
avoiding modifying the input_handler structure.
Reported-by: "Ned T. Crigler" <crigler@gmail.com>
Reported-by: Christian Heusel <christian@heusel.eu>
Tested-by: "Ned T. Crigler" <crigler@gmail.com>
Tested-by: Peter Seiderer <ps.report@gmx.net>
Fixes: d469647bafd9 ("Input: simplify event handling logic")
Link: https://lore.kernel.org/r/Zx2iQp6csn42PJA7@xavtug
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit d4148aeab412432bf928f311eca8a2ba52bb05df ]
Since commit efa7df3e3bb5 ("mm: align larger anonymous mappings on THP
boundaries") a mmap() of anonymous memory without a specific address hint
and of at least PMD_SIZE will be aligned to PMD so that it can benefit
from a THP backing page.
However this change has been shown to regress some workloads
significantly. [1] reports regressions in various spec benchmarks, with
up to 600% slowdown of the cactusBSSN benchmark on some platforms. The
benchmark seems to create many mappings of 4632kB, which would have merged
to a large THP-backed area before commit efa7df3e3bb5 and now they are
fragmented to multiple areas each aligned to PMD boundary with gaps
between. The regression then seems to be caused mainly due to the
benchmark's memory access pattern suffering from TLB or cache aliasing due
to the aligned boundaries of the individual areas.
Another known regression bisected to commit efa7df3e3bb5 is darktable [2]
[3] and early testing suggests this patch fixes the regression there as
well.
To fix the regression but still try to benefit from THP-friendly anonymous
mapping alignment, add a condition that the size of the mapping must be a
multiple of PMD size instead of at least PMD size. In case of many
odd-sized mapping like the cactusBSSN creates, those will stop being
aligned and with gaps between, and instead naturally merge again.
Link: https://lkml.kernel.org/r/20241024151228.101841-2-vbabka@suse.cz
Fixes: efa7df3e3bb5 ("mm: align larger anonymous mappings on THP boundaries")
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Reported-by: Michael Matz <matz@suse.de>
Debugged-by: Gabriel Krisman Bertazi <gabriel@krisman.be>
Closes: https://bugzilla.suse.com/show_bug.cgi?id=1229012 [1]
Reported-by: Matthias Bodenbinder <matthias@bodenbinder.de>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219366 [2]
Closes: https://lore.kernel.org/all/2050f0d4-57b0-481d-bab8-05e8d48fed0c@leemhuis.info/ [3]
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: Yang Shi <yang@os.amperecomputing.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Jann Horn <jannh@google.com>
Cc: Liam R. Howlett <Liam.Howlett@Oracle.com>
Cc: Petr Tesarik <ptesarik@suse.com>
Cc: Thorsten Leemhuis <regressions@leemhuis.info>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 35e41024c4c2b02ef8207f61b9004f6956cf037b ]
When numa balancing is enabled with demotion, vmscan will call
migrate_pages when shrinking LRUs. migrate_pages will decrement the
the node's isolated page count, leading to an imbalanced count when
invoked from (MG)LRU code.
The result is dmesg output like such:
$ cat /proc/sys/vm/stat_refresh
[77383.088417] vmstat_refresh: nr_isolated_anon -103212
[77383.088417] vmstat_refresh: nr_isolated_file -899642
This negative value may impact compaction and reclaim throttling.
The following path produces the decrement:
shrink_folio_list
demote_folio_list
migrate_pages
migrate_pages_batch
migrate_folio_move
migrate_folio_done
mod_node_page_state(-ve) <- decrement
This path happens for SUCCESSFUL migrations, not failures. Typically
callers to migrate_pages are required to handle putback/accounting for
failures, but this is already handled in the shrink code.
When accounting for migrations, instead do not decrement the count when
the migration reason is MR_DEMOTION. As of v6.11, this demotion logic
is the only source of MR_DEMOTION.
Link: https://lkml.kernel.org/r/20241025141724.17927-1-gourry@gourry.net
Fixes: 26aa2d199d6f ("mm/migrate: demote pages during reclaim")
Signed-off-by: Gregory Price <gourry@gourry.net>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Shakeel Butt <shakeel.butt@linux.dev>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Wei Xu <weixugc@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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