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Author SHA1 Message Date
Linus Torvalds
56fb6f9285 drm fixes for 6.10-rc1
nouveau:
 - fix bo metadata uAPI for vm bind
 
 panthor:
 - Fixes for panthor's heap logical block.
 - Reset on unrecoverable fault
 - Fix VM references.
 - Reset fix.
 
 xlnx:
 - xlnx compile and doc fixes.
 
 amdgpu:
 - Handle vbios table integrated info v2.3
 
 amdkfd:
 - Handle duplicate BOs in reserve_bo_and_cond_vms
 - Handle memory limitations on small APUs
 
 dp/mst:
 - MST null deref fix.
 
 bridge:
 - Don't let next bridge create connector in adv7511 to make probe work.
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Merge tag 'drm-next-2024-05-25' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "Some fixes for the end of the merge window, mostly amdgpu and panthor,
  with one nouveau uAPI change that fixes a bad decision we made a few
  months back.

  nouveau:
   - fix bo metadata uAPI for vm bind

  panthor:
   - Fixes for panthor's heap logical block.
   - Reset on unrecoverable fault
   - Fix VM references.
   - Reset fix.

  xlnx:
   - xlnx compile and doc fixes.

  amdgpu:
   - Handle vbios table integrated info v2.3

  amdkfd:
   - Handle duplicate BOs in reserve_bo_and_cond_vms
   - Handle memory limitations on small APUs

  dp/mst:
   - MST null deref fix.

  bridge:
   - Don't let next bridge create connector in adv7511 to make probe
     work"

* tag 'drm-next-2024-05-25' of https://gitlab.freedesktop.org/drm/kernel:
  drm/amdgpu/atomfirmware: add intergrated info v2.3 table
  drm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2
  drm/amdkfd: Let VRAM allocations go to GTT domain on small APUs
  drm/amdkfd: handle duplicate BOs in reserve_bo_and_cond_vms
  drm/bridge: adv7511: Attach next bridge without creating connector
  drm/buddy: Fix the warn on's during force merge
  drm/nouveau: use tile_mode and pte_kind for VM_BIND bo allocations
  drm/panthor: Call panthor_sched_post_reset() even if the reset failed
  drm/panthor: Reset the FW VM to NULL on unplug
  drm/panthor: Keep a ref to the VM at the panthor_kernel_bo level
  drm/panthor: Force an immediate reset on unrecoverable faults
  drm/panthor: Document drm_panthor_tiler_heap_destroy::handle validity constraints
  drm/panthor: Fix an off-by-one in the heap context retrieval logic
  drm/panthor: Relax the constraints on the tiler chunk size
  drm/panthor: Make sure the tiler initial/max chunks are consistent
  drm/panthor: Fix tiler OOM handling to allow incremental rendering
  drm: xlnx: zynqmp_dpsub: Fix compilation error
  drm: xlnx: zynqmp_dpsub: Fix few function comments
2024-05-24 17:28:02 -07:00
Linus Torvalds
d6a326d694 tracing: Remove second argument of __assign_str()
The __assign_str() macro logic of the TRACE_EVENT() macro was optimized so
 that it no longer needs the second argument. The __assign_str() is always
 matched with __string() field that takes a field name and the source for
 that field:
 
   __string(field, source)
 
 The TRACE_EVENT() macro logic will save off the source value and then use
 that value to copy into the ring buffer via the __assign_str(). Before
 commit c1fa617cae ("tracing: Rework __assign_str() and __string() to not
 duplicate getting the string"), the __assign_str() needed the second
 argument which would perform the same logic as the __string() source
 parameter did. Not only would this add overhead, but it was error prone as
 if the __assign_str() source produced something different, it may not have
 allocated enough for the string in the ring buffer (as the __string()
 source was used to determine how much to allocate)
 
 Now that the __assign_str() just uses the same string that was used in
 __string() it no longer needs the source parameter. It can now be removed.
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Merge tag 'trace-assign-str-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing cleanup from Steven Rostedt:
 "Remove second argument of __assign_str()

  The __assign_str() macro logic of the TRACE_EVENT() macro was
  optimized so that it no longer needs the second argument. The
  __assign_str() is always matched with __string() field that takes a
  field name and the source for that field:

    __string(field, source)

  The TRACE_EVENT() macro logic will save off the source value and then
  use that value to copy into the ring buffer via the __assign_str().

  Before commit c1fa617cae ("tracing: Rework __assign_str() and
  __string() to not duplicate getting the string"), the __assign_str()
  needed the second argument which would perform the same logic as the
  __string() source parameter did. Not only would this add overhead, but
  it was error prone as if the __assign_str() source produced something
  different, it may not have allocated enough for the string in the ring
  buffer (as the __string() source was used to determine how much to
  allocate)

  Now that the __assign_str() just uses the same string that was used in
  __string() it no longer needs the source parameter. It can now be
  removed"

* tag 'trace-assign-str-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/treewide: Remove second parameter of __assign_str()
2024-05-23 12:28:01 -07:00
Linus Torvalds
2ef32ad224 virtio: features, fixes, cleanups
Several new features here:
 
 - virtio-net is finally supported in vduse.
 
 - Virtio (balloon and mem) interaction with suspend is improved
 
 - vhost-scsi now handles signals better/faster.
 
 Fixes, cleanups all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:
 "Several new features here:

   - virtio-net is finally supported in vduse

   - virtio (balloon and mem) interaction with suspend is improved

   - vhost-scsi now handles signals better/faster

  And fixes, cleanups all over the place"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (48 commits)
  virtio-pci: Check if is_avq is NULL
  virtio: delete vq in vp_find_vqs_msix() when request_irq() fails
  MAINTAINERS: add Eugenio Pérez as reviewer
  vhost-vdpa: Remove usage of the deprecated ida_simple_xx() API
  vp_vdpa: don't allocate unused msix vectors
  sound: virtio: drop owner assignment
  fuse: virtio: drop owner assignment
  scsi: virtio: drop owner assignment
  rpmsg: virtio: drop owner assignment
  nvdimm: virtio_pmem: drop owner assignment
  wifi: mac80211_hwsim: drop owner assignment
  vsock/virtio: drop owner assignment
  net: 9p: virtio: drop owner assignment
  net: virtio: drop owner assignment
  net: caif: virtio: drop owner assignment
  misc: nsm: drop owner assignment
  iommu: virtio: drop owner assignment
  drm/virtio: drop owner assignment
  gpio: virtio: drop owner assignment
  firmware: arm_scmi: virtio: drop owner assignment
  ...
2024-05-23 12:04:36 -07:00
Dave Airlie
32a0bb7ef2 Merge tag 'drm-misc-next-fixes-2024-05-23' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next-fixes for v6.10-rc1:
- MST null deref fix.
- Don't let next bridge create connector in adv7511 to make probe work.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f171b14a-ed6b-4124-893b-802a336dbe2b@linux.intel.com
2024-05-23 16:01:39 +10:00
Dave Airlie
c99eb9cc2a amd-drm-fixes-6.10-2024-05-22:
amdgpu:
 - Handle vbios table integrated info v2.3
 
 amdkfd:
 - Handle duplicate BOs in reserve_bo_and_cond_vms
 - Handle memory limitations on small APUs
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Merge tag 'amd-drm-fixes-6.10-2024-05-22' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-fixes-6.10-2024-05-22:

amdgpu:
- Handle vbios table integrated info v2.3

amdkfd:
- Handle duplicate BOs in reserve_bo_and_cond_vms
- Handle memory limitations on small APUs

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240522185346.16716-1-alexander.deucher@amd.com
2024-05-23 12:49:44 +10:00
Linus Torvalds
c760b3725e - A series ("kbuild: enable more warnings by default") from Arnd
Bergmann which enables a number of additional build-time warnings.  We
   fixed all the fallout which we could find, there may still be a few
   stragglers.
 
 - Samuel Holland has developed the series "Unified cross-architecture
   kernel-mode FPU API".  This does a lot of consolidation of
   per-architecture kernel-mode FPU usage and enables the use of newer AMD
   GPUs on RISC-V.
 
 - Tao Su has fixed some selftests build warnings in the series
   "Selftests: Fix compilation warnings due to missing _GNU_SOURCE
   definition".
 
 - This pull also includes a nilfs2 fixup from Ryusuke Konishi.
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Merge tag 'mm-nonmm-stable-2024-05-22-17-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull more non-mm updates from Andrew Morton:

 - A series ("kbuild: enable more warnings by default") from Arnd
   Bergmann which enables a number of additional build-time warnings. We
   fixed all the fallout which we could find, there may still be a few
   stragglers.

 - Samuel Holland has developed the series "Unified cross-architecture
   kernel-mode FPU API". This does a lot of consolidation of
   per-architecture kernel-mode FPU usage and enables the use of newer
   AMD GPUs on RISC-V.

 - Tao Su has fixed some selftests build warnings in the series
   "Selftests: Fix compilation warnings due to missing _GNU_SOURCE
   definition".

 - This pull also includes a nilfs2 fixup from Ryusuke Konishi.

* tag 'mm-nonmm-stable-2024-05-22-17-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (23 commits)
  nilfs2: make block erasure safe in nilfs_finish_roll_forward()
  selftests/harness: use 1024 in place of LINE_MAX
  Revert "selftests/harness: remove use of LINE_MAX"
  selftests/fpu: allow building on other architectures
  selftests/fpu: move FP code to a separate translation unit
  drm/amd/display: use ARCH_HAS_KERNEL_FPU_SUPPORT
  drm/amd/display: only use hard-float, not altivec on powerpc
  riscv: add support for kernel-mode FPU
  x86: implement ARCH_HAS_KERNEL_FPU_SUPPORT
  powerpc: implement ARCH_HAS_KERNEL_FPU_SUPPORT
  LoongArch: implement ARCH_HAS_KERNEL_FPU_SUPPORT
  lib/raid6: use CC_FLAGS_FPU for NEON CFLAGS
  arm64: crypto: use CC_FLAGS_FPU for NEON CFLAGS
  arm64: implement ARCH_HAS_KERNEL_FPU_SUPPORT
  ARM: crypto: use CC_FLAGS_FPU for NEON CFLAGS
  ARM: implement ARCH_HAS_KERNEL_FPU_SUPPORT
  arch: add ARCH_HAS_KERNEL_FPU_SUPPORT
  x86/fpu: fix asm/fpu/types.h include guard
  kbuild: enable -Wcast-function-type-strict unconditionally
  kbuild: enable -Wformat-truncation on clang
  ...
2024-05-22 18:59:29 -07:00
Steven Rostedt (Google)
2c92ca849f tracing/treewide: Remove second parameter of __assign_str()
With the rework of how the __string() handles dynamic strings where it
saves off the source string in field in the helper structure[1], the
assignment of that value to the trace event field is stored in the helper
value and does not need to be passed in again.

This means that with:

  __string(field, mystring)

Which use to be assigned with __assign_str(field, mystring), no longer
needs the second parameter and it is unused. With this, __assign_str()
will now only get a single parameter.

There's over 700 users of __assign_str() and because coccinelle does not
handle the TRACE_EVENT() macro I ended up using the following sed script:

  git grep -l __assign_str | while read a ; do
      sed -e 's/\(__assign_str([^,]*[^ ,]\) *,[^;]*/\1)/' $a > /tmp/test-file;
      mv /tmp/test-file $a;
  done

I then searched for __assign_str() that did not end with ';' as those
were multi line assignments that the sed script above would fail to catch.

Note, the same updates will need to be done for:

  __assign_str_len()
  __assign_rel_str()
  __assign_rel_str_len()

I tested this with both an allmodconfig and an allyesconfig (build only for both).

[1] https://lore.kernel.org/linux-trace-kernel/20240222211442.634192653@goodmis.org/

Link: https://lore.kernel.org/linux-trace-kernel/20240516133454.681ba6a0@rorschach.local.home

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Christian König <christian.koenig@amd.com> for the amdgpu parts.
Acked-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> #for
Acked-by: Rafael J. Wysocki <rafael@kernel.org> # for thermal
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Darrick J. Wong <djwong@kernel.org>	# xfs
Tested-by: Guenter Roeck <linux@roeck-us.net>
2024-05-22 20:14:47 -04:00
Linus Torvalds
d90be6e4aa Driver core changes for 6.10-rc1
Here is the small set of driver core and kernfs changes for 6.10-rc1.
 
 Nothing major here at all, just a small set of changes for some driver
 core apis, and minor fixups.  Included in here are:
   - sysfs_bin_attr_simple_read() helper added and used
   - device_show_string() helper added and used
 All usages of these were acked by the various maintainers.  Also in here
 are:
   - kernfs minor cleanup
   - removed unused functions
   - typo fix in documentation
   - pay attention to sysfs_create_link() failures in module.c finally.
 
 All of these have been in linux-next for a very long time with no
 reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the small set of driver core and kernfs changes for 6.10-rc1.

  Nothing major here at all, just a small set of changes for some driver
  core apis, and minor fixups. Included in here are:

   - sysfs_bin_attr_simple_read() helper added and used

   - device_show_string() helper added and used

  All usages of these were acked by the various maintainers. Also in
  here are:

   - kernfs minor cleanup

   - removed unused functions

   - typo fix in documentation

   - pay attention to sysfs_create_link() failures in module.c finally

  All of these have been in linux-next for a very long time with no
  reported problems"

* tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  device property: Fix a typo in the description of device_get_child_node_count()
  kernfs: mount: Remove unnecessary ‘NULL’ values from knparent
  scsi: Use device_show_string() helper for sysfs attributes
  platform/x86: Use device_show_string() helper for sysfs attributes
  perf: Use device_show_string() helper for sysfs attributes
  IB/qib: Use device_show_string() helper for sysfs attributes
  hwmon: Use device_show_string() helper for sysfs attributes
  driver core: Add device_show_string() helper for sysfs attributes
  treewide: Use sysfs_bin_attr_simple_read() helper
  sysfs: Add sysfs_bin_attr_simple_read() helper
  module: don't ignore sysfs_create_link() failures
  driver core: Remove unused platform_notify, platform_notify_remove
2024-05-22 12:13:40 -07:00
Linus Torvalds
89601f675b USB / Thunderbolt changes for 6.10-rc1
Here is the big set of USB and Thunderbolt changes for 6.10-rc1.
 Nothing hugely earth-shattering, just constant forward progress for
 hardware support of new devices and cleanups over the drivers.
 
 Included in here are:
   - Thunderbolt / USB 4 driver updates
   - typec driver updates
   - dwc3 driver updates
   - gadget driver updates
   - uss720 driver id additions and fixes (people use USB->arallel port
     devices still!)
   - onboard-hub driver rename and additions for new hardware
   - xhci driver updates
   - other small USB driver updates and additions for quirks and api
     changes
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt changes for 6.10-rc1.
  Nothing hugely earth-shattering, just constant forward progress for
  hardware support of new devices and cleanups over the drivers.

  Included in here are:

   - Thunderbolt / USB 4 driver updates

   - typec driver updates

   - dwc3 driver updates

   - gadget driver updates

   - uss720 driver id additions and fixes (people use USB->arallel port
     devices still!)

   - onboard-hub driver rename and additions for new hardware

   - xhci driver updates

   - other small USB driver updates and additions for quirks and api
     changes

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'usb-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
  drm/bridge: aux-hpd-bridge: correct devm_drm_dp_hpd_bridge_add() stub
  usb: fotg210: Add missing kernel doc description
  usb: dwc3: core: Fix unused variable warning in core driver
  usb: typec: tipd: rely on i2c_get_match_data()
  usb: typec: tipd: fix event checking for tps6598x
  usb: typec: tipd: fix event checking for tps25750
  dt-bindings: usb: qcom,dwc3: fix interrupt max items
  usb: fotg210: Use *-y instead of *-objs in Makefile
  usb: phy: tegra: Replace of_gpio.h by proper one
  usb: typec: ucsi: displayport: Fix potential deadlock
  usb: typec: qcom-pmic-typec: split HPD bridge alloc and registration
  usb: musc: Remove unused list 'buffers'
  usb: dwc3: Wait unconditionally after issuing EndXfer command
  usb: gadget: u_audio: Clear uac pointer when freed.
  usb: gadget: u_audio: Fix race condition use of controls after free during gadget unbind.
  dt-bindings: usb: dwc3: Add QDU1000 compatible
  usb: core: Remove the useless struct usb_devmap which is just a bitmap
  MAINTAINERS: Remove {ehci,uhci}-platform.c from ARM/VT8500 entry
  USB: usb_parse_endpoint: ignore reserved bits
  usb: xhci: compact 'trb_in_td()' arguments
  ...
2024-05-22 11:40:09 -07:00
Li Ma
e64e8f7c17 drm/amdgpu/atomfirmware: add intergrated info v2.3 table
[Why]
The vram width value is 0.
Because the integratedsysteminfo table in VBIOS has updated to 2.3.

[How]
Driver needs a new intergrated info v2.3 table too.
Then the vram width value will be correct.

Signed-off-by: Li Ma <li.ma@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-05-22 12:01:39 -04:00
Krzysztof Kozlowski
41dca8275a drm/virtio: drop owner assignment
virtio core already sets the .owner, so driver does not need to.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Message-Id: <20240331-module-owner-virtio-v2-13-98f04bfaf46a@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2024-05-22 08:31:17 -04:00
Dave Airlie
3e3eb55e2b Merge tag 'drm-misc-next-fixes-2024-05-16' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next-fixes for v6.10-rc1:
- VM_BIND fix for nouveau.
- Lots of panthor fixes:
  * Fixes for panthor's heap logical block.
  * Reset on unrecoverable fault
  * Fix VM references.
  * Reset fix.
- xlnx compile and doc fixes.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/54d2c8b9-8b04-45fc-b483-200ffac9d344@linux.intel.com
2024-05-22 10:39:16 +10:00
Wayne Lin
5a507b7d2b drm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2
[Why]
Commit:
- commit 5aa1dfcdf0 ("drm/mst: Refactor the flow for payload allocation/removement")
accidently overwrite the commit
- commit 54d217406a ("drm: use mgr->dev in drm_dbg_kms in drm_dp_add_payload_part2")
which cause regression.

[How]
Recover the original NULL fix and remove the unnecessary input parameter 'state' for
drm_dp_add_payload_part2().

Fixes: 5aa1dfcdf0 ("drm/mst: Refactor the flow for payload allocation/removement")
Reported-by: Leon Weiß <leon.weiss@ruhr-uni-bochum.de>
Link: https://lore.kernel.org/r/38c253ea42072cc825dc969ac4e6b9b600371cc8.camel@ruhr-uni-bochum.de/
Cc: lyude@redhat.com
Cc: imre.deak@intel.com
Cc: stable@vger.kernel.org
Cc: regressions@lists.linux.dev
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240307062957.2323620-1-Wayne.Lin@amd.com
(cherry picked from commit 4545614c1d8da603e57b60dd66224d81b6ffc305)
2024-05-21 16:36:59 -04:00
Linus Torvalds
f0bae243b2 pci-v6.10-changes
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Merge tag 'pci-v6.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci updates from Bjorn Helgaas:
 "Enumeration:

   - Skip E820 checks for MCFG ECAM regions for new (2016+) machines,
     since there's no requirement to describe them in E820 and some
     platforms require ECAM to work (Bjorn Helgaas)

   - Rename PCI_IRQ_LEGACY to PCI_IRQ_INTX to be more specific (Damien
     Le Moal)

   - Remove last user and pci_enable_device_io() (Heiner Kallweit)

   - Wait for Link Training==0 to avoid possible race (Ilpo Järvinen)

   - Skip waiting for devices that have been disconnected while
     suspended (Ilpo Järvinen)

   - Clear Secondary Status errors after enumeration since Master Aborts
     and Unsupported Request errors are an expected part of enumeration
     (Vidya Sagar)

  MSI:

   - Remove unused IMS (Interrupt Message Store) support (Bjorn Helgaas)

  Error handling:

   - Mask Genesys GL975x SD host controller Replay Timer Timeout
     correctable errors caused by a hardware defect; the errors cause
     interrupts that prevent system suspend (Kai-Heng Feng)

   - Fix EDR-related _DSM support, which previously evaluated revision 5
     but assumed revision 6 behavior (Kuppuswamy Sathyanarayanan)

  ASPM:

   - Simplify link state definitions and mask calculation (Ilpo
     Järvinen)

  Power management:

   - Avoid D3cold for HP Pavilion 17 PC/1972 PCIe Ports, where BIOS
     apparently doesn't know how to put them back in D0 (Mario
     Limonciello)

  CXL:

   - Support resetting CXL devices; special handling required because
     CXL Ports mask Secondary Bus Reset by default (Dave Jiang)

  DOE:

   - Support DOE Discovery Version 2 (Alexey Kardashevskiy)

  Endpoint framework:

   - Set endpoint BAR to be 64-bit if the driver says that's all the
     device supports, in addition to doing so if the size is >2GB
     (Niklas Cassel)

   - Simplify endpoint BAR allocation and setting interfaces (Niklas
     Cassel)

  Cadence PCIe controller driver:

   - Drop DT binding redundant msi-parent and pci-bus.yaml (Krzysztof
     Kozlowski)

  Cadence PCIe endpoint driver:

   - Configure endpoint BARs to be 64-bit based on the BAR type, not the
     BAR value (Niklas Cassel)

  Freescale Layerscape PCIe controller driver:

   - Convert DT binding to YAML (Frank Li)

  MediaTek MT7621 PCIe controller driver:

   - Add DT binding missing 'reg' property for child Root Ports
     (Krzysztof Kozlowski)

   - Fix theoretical string truncation in PHY name (Sergio Paracuellos)

  NVIDIA Tegra194 PCIe controller driver:

   - Return success for endpoint probe instead of falling through to the
     failure path (Vidya Sagar)

  Renesas R-Car PCIe controller driver:

   - Add DT binding missing IOMMU properties (Geert Uytterhoeven)

   - Add DT binding R-Car V4H compatible for host and endpoint mode
     (Yoshihiro Shimoda)

  Rockchip PCIe controller driver:

   - Configure endpoint BARs to be 64-bit based on the BAR type, not the
     BAR value (Niklas Cassel)

   - Add DT binding missing maxItems to ep-gpios (Krzysztof Kozlowski)

   - Set the Subsystem Vendor ID, which was previously zero because it
     was masked incorrectly (Rick Wertenbroek)

  Synopsys DesignWare PCIe controller driver:

   - Restructure DBI register access to accommodate devices where this
     requires Refclk to be active (Manivannan Sadhasivam)

   - Remove the deinit() callback, which was only need by the
     pcie-rcar-gen4, and do it directly in that driver (Manivannan
     Sadhasivam)

   - Add dw_pcie_ep_cleanup() so drivers that support PERST# can clean
     up things like eDMA (Manivannan Sadhasivam)

   - Rename dw_pcie_ep_exit() to dw_pcie_ep_deinit() to make it parallel
     to dw_pcie_ep_init() (Manivannan Sadhasivam)

   - Rename dw_pcie_ep_init_complete() to dw_pcie_ep_init_registers() to
     reflect the actual functionality (Manivannan Sadhasivam)

   - Call dw_pcie_ep_init_registers() directly from all the glue
     drivers, not just those that require active Refclk from the host
     (Manivannan Sadhasivam)

   - Remove the "core_init_notifier" flag, which was an obscure way for
     glue drivers to indicate that they depend on Refclk from the host
     (Manivannan Sadhasivam)

  TI J721E PCIe driver:

   - Add DT binding J784S4 SoC Device ID (Siddharth Vadapalli)

   - Add DT binding J722S SoC support (Siddharth Vadapalli)

  TI Keystone PCIe controller driver:

   - Add DT binding missing num-viewport, phys and phy-name properties
     (Jan Kiszka)

  Miscellaneous:

   - Constify and annotate with __ro_after_init (Heiner Kallweit)

   - Convert DT bindings to YAML (Krzysztof Kozlowski)

   - Check for kcalloc() failure in of_pci_prop_intr_map() (Duoming
     Zhou)"

* tag 'pci-v6.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (97 commits)
  PCI: Do not wait for disconnected devices when resuming
  x86/pci: Skip early E820 check for ECAM region
  PCI: Remove unused pci_enable_device_io()
  ata: pata_cs5520: Remove unnecessary call to pci_enable_device_io()
  PCI: Update pci_find_capability() stub return types
  PCI: Remove PCI_IRQ_LEGACY
  scsi: vmw_pvscsi: Do not use PCI_IRQ_LEGACY instead of PCI_IRQ_LEGACY
  scsi: pmcraid: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
  scsi: mpt3sas: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
  scsi: megaraid_sas: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
  scsi: ipr: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
  scsi: hpsa: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
  scsi: arcmsr: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
  wifi: rtw89: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
  dt-bindings: PCI: rockchip,rk3399-pcie: Add missing maxItems to ep-gpios
  Revert "genirq/msi: Provide constants for PCI/IMS support"
  Revert "x86/apic/msi: Enable PCI/IMS"
  Revert "iommu/vt-d: Enable PCI/IMS"
  Revert "iommu/amd: Enable PCI/IMS"
  Revert "PCI/MSI: Provide IMS (Interrupt Message Store) support"
  ...
2024-05-21 10:09:28 -07:00
Lang Yu
eb853413d0 drm/amdkfd: Let VRAM allocations go to GTT domain on small APUs
Small APUs(i.e., consumer, embedded products) usually have a small
carveout device memory which can't satisfy most compute workloads
memory allocation requirements.

We can't even run a Basic MNIST Example with a default 512MB carveout.
https://github.com/pytorch/examples/tree/main/mnist. Error Log:

"torch.cuda.OutOfMemoryError: HIP out of memory. Tried to allocate
84.00 MiB. GPU 0 has a total capacity of 512.00 MiB of which 0 bytes
is free. Of the allocated memory 103.83 MiB is allocated by PyTorch,
and 22.17 MiB is reserved by PyTorch but unallocated"

Though we can change BIOS settings to enlarge carveout size,
which is inflexible and may bring complaint. On the other hand,
the memory resource can't be effectively used between host and device.

The solution is MI300A approach, i.e., let VRAM allocations go to GTT.
Then device and host can flexibly and effectively share memory resource.

v2: Report local_mem_size_private as 0. (Felix)

Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-05-20 17:17:53 -04:00
Lang Yu
2a705f3e49 drm/amdkfd: handle duplicate BOs in reserve_bo_and_cond_vms
Observed on gfx8 ASIC where KFD_IOC_ALLOC_MEM_FLAGS_AQL_QUEUE_MEM is used.
Two attachments use the same VM, root PD would be locked twice.

[   57.910418] Call Trace:
[   57.793726]  ? reserve_bo_and_cond_vms+0x111/0x1c0 [amdgpu]
[   57.793820]  amdgpu_amdkfd_gpuvm_unmap_memory_from_gpu+0x6c/0x1c0 [amdgpu]
[   57.793923]  ? idr_get_next_ul+0xbe/0x100
[   57.793933]  kfd_process_device_free_bos+0x7e/0xf0 [amdgpu]
[   57.794041]  kfd_process_wq_release+0x2ae/0x3c0 [amdgpu]
[   57.794141]  ? process_scheduled_works+0x29c/0x580
[   57.794147]  process_scheduled_works+0x303/0x580
[   57.794157]  ? __pfx_worker_thread+0x10/0x10
[   57.794160]  worker_thread+0x1a2/0x370
[   57.794165]  ? __pfx_worker_thread+0x10/0x10
[   57.794167]  kthread+0x11b/0x150
[   57.794172]  ? __pfx_kthread+0x10/0x10
[   57.794177]  ret_from_fork+0x3d/0x60
[   57.794181]  ? __pfx_kthread+0x10/0x10
[   57.794184]  ret_from_fork_asm+0x1b/0x30

Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2024-05-20 17:17:53 -04:00
Linus Torvalds
0a07e09085 I2C core removes an argument from the i2c_mux_add_adapter() call to
further deprecate class based I2C device instantiation. All users are
 converted, too. Other that that, Andi collected a number if I2C host
 driver patches. Those merges have their own description.
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Merge tag 'i2c-for-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c updates from Wolfram Sang:
 "i2c core removes an argument from the i2c_mux_add_adapter() call to
  further deprecate class based I2C device instantiation. All users are
  converted, too.

  Other that that, Andi collected a number if I2C host driver patches.
  Those merges have their own description"

* tag 'i2c-for-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (72 commits)
  power: supply: sbs-manager: Remove class argument from i2c_mux_add_adapter()
  i2c: mux: Remove class argument from i2c_mux_add_adapter()
  i2c: synquacer: Fix an error handling path in synquacer_i2c_probe()
  i2c: acpi: Unbind mux adapters before delete
  i2c: designware: Replace MODULE_ALIAS() with MODULE_DEVICE_TABLE()
  i2c: pxa: use 'time_left' variable with wait_event_timeout()
  i2c: s3c2410: use 'time_left' variable with wait_event_timeout()
  i2c: rk3x: use 'time_left' variable with wait_event_timeout()
  i2c: qcom-geni: use 'time_left' variable with wait_for_completion_timeout()
  i2c: jz4780: use 'time_left' variable with wait_for_completion_timeout()
  i2c: synquacer: use 'time_left' variable with wait_for_completion_timeout()
  i2c: stm32f7: use 'time_left' variable with wait_for_completion_timeout()
  i2c: stm32f4: use 'time_left' variable with wait_for_completion_timeout()
  i2c: st: use 'time_left' variable with wait_for_completion_timeout()
  i2c: omap: use 'time_left' variable with wait_for_completion_timeout()
  i2c: imx-lpi2c: use 'time_left' variable with wait_for_completion_timeout()
  i2c: hix5hd2: use 'time_left' variable with wait_for_completion_timeout()
  i2c: exynos5: use 'time_left' variable with wait_for_completion_timeout()
  i2c: digicolor: use 'time_left' variable with wait_for_completion_timeout()
  i2c: amd-mp2-plat: use 'time_left' variable with wait_for_completion_timeout()
  ...
2024-05-20 08:55:18 -07:00
Samuel Holland
a28e4b672f drm/amd/display: use ARCH_HAS_KERNEL_FPU_SUPPORT
Now that all previously-supported architectures select
ARCH_HAS_KERNEL_FPU_SUPPORT, this code can depend on that symbol instead
of the existing list of architectures.  It can also take advantage of the
common kernel-mode FPU API and method of adjusting CFLAGS.

Link: https://lkml.kernel.org/r/20240329072441.591471-14-samuel.holland@sifive.com
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian König <christian.koenig@amd.com> 
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: WANG Xuerui <git@xen0n.name>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-05-19 14:36:19 -07:00
Michael Ellerman
06a990b6e0 drm/amd/display: only use hard-float, not altivec on powerpc
The compiler flags enable altivec, but that is not required; hard-float is
sufficient for the code to build and function.

Drop altivec from the compiler flags and adjust the enable/disable code to
only enable FPU use.

Link: https://lkml.kernel.org/r/20240329072441.591471-13-samuel.holland@sifive.com
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com> 
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: WANG Xuerui <git@xen0n.name>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-05-19 14:36:19 -07:00
Liu Ying
20da948e3a drm/bridge: adv7511: Attach next bridge without creating connector
The connector is created by either this ADV7511 bridge driver or
any DRM device driver/previous bridge driver, so this ADV7511
bridge driver should not let the next bridge driver create connector.

If the next bridge is a HDMI connector, the next bridge driver
would fail to attach bridge from display_connector_attach() without
the DRM_BRIDGE_ATTACH_NO_CONNECTOR flag.

Add that flag to drm_bridge_attach() function call in
adv7511_bridge_attach() to fix the issue.

This fixes the issue where the HDMI connector bridge fails to attach
to the previous ADV7535 bridge on i.MX8MP EVK platform:

[    2.216442] [drm:drm_bridge_attach] *ERROR* failed to attach bridge /hdmi-connector to encoder None-37: -22
[    2.220675] mmc1: SDHCI controller on 30b50000.mmc [30b50000.mmc] using ADMA
[    2.226262] [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@30800000/i2c@30a30000/hdmi@3d to encoder None-37: -22
[    2.245204] [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@32c00000/dsi@32e60000 to encoder None-37: -22
[    2.256445] imx-lcdif 32e80000.display-controller: error -EINVAL: Failed to attach bridge for endpoint0
[    2.265850] imx-lcdif 32e80000.display-controller: error -EINVAL: Cannot connect bridge
[    2.274009] imx-lcdif 32e80000.display-controller: probe with driver imx-lcdif failed with error -22

Fixes: 14b3cdbd0e ("drm/bridge: adv7511: make it honour next bridge in DT")
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Acked-by: Sui Jingfeng <suijingfeng@bosc.ac.cn>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240513080243.3952292-1-victor.liu@nxp.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
2024-05-20 00:23:23 +03:00
Arunpravin Paneer Selvam
5a5a10d9db drm/buddy: Fix the warn on's during force merge
Move the fallback and block incompatible checks
above, so that we dont unnecessarily split the blocks
and leaving the unmerged. This resolves the unnecessary
warn on's thrown during force_merge call.

v2:(Matthew)
  - Move the fallback and block incompatible checks above
    the contains check.

Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Fixes: 96950929eb ("drm/buddy: Implement tracking clear page feature")
Link: https://patchwork.kernel.org/project/dri-devel/patch/20240517135015.17565-1-Arunpravin.PaneerSelvam@amd.com/
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240517143305.17894-1-Arunpravin.PaneerSelvam@amd.com
2024-05-20 06:42:12 +10:00
Linus Torvalds
61307b7be4 The usual shower of singleton fixes and minor series all over MM,
documented (hopefully adequately) in the respective changelogs.  Notable
 series include:
 
 - Lucas Stach has provided some page-mapping
   cleanup/consolidation/maintainability work in the series "mm/treewide:
   Remove pXd_huge() API".
 
 - In the series "Allow migrate on protnone reference with
   MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's
   MPOL_PREFERRED_MANY mode, yielding almost doubled performance in one
   test.
 
 - In their series "Memory allocation profiling" Kent Overstreet and
   Suren Baghdasaryan have contributed a means of determining (via
   /proc/allocinfo) whereabouts in the kernel memory is being allocated:
   number of calls and amount of memory.
 
 - Matthew Wilcox has provided the series "Various significant MM
   patches" which does a number of rather unrelated things, but in largely
   similar code sites.
 
 - In his series "mm: page_alloc: freelist migratetype hygiene" Johannes
   Weiner has fixed the page allocator's handling of migratetype requests,
   with resulting improvements in compaction efficiency.
 
 - In the series "make the hugetlb migration strategy consistent" Baolin
   Wang has fixed a hugetlb migration issue, which should improve hugetlb
   allocation reliability.
 
 - Liu Shixin has hit an I/O meltdown caused by readahead in a
   memory-tight memcg.  Addressed in the series "Fix I/O high when memory
   almost met memcg limit".
 
 - In the series "mm/filemap: optimize folio adding and splitting" Kairui
   Song has optimized pagecache insertion, yielding ~10% performance
   improvement in one test.
 
 - Baoquan He has cleaned up and consolidated the early zone
   initialization code in the series "mm/mm_init.c: refactor
   free_area_init_core()".
 
 - Baoquan has also redone some MM initializatio code in the series
   "mm/init: minor clean up and improvement".
 
 - MM helper cleanups from Christoph Hellwig in his series "remove
   follow_pfn".
 
 - More cleanups from Matthew Wilcox in the series "Various page->flags
   cleanups".
 
 - Vlastimil Babka has contributed maintainability improvements in the
   series "memcg_kmem hooks refactoring".
 
 - More folio conversions and cleanups in Matthew Wilcox's series
 
 	"Convert huge_zero_page to huge_zero_folio"
 	"khugepaged folio conversions"
 	"Remove page_idle and page_young wrappers"
 	"Use folio APIs in procfs"
 	"Clean up __folio_put()"
 	"Some cleanups for memory-failure"
 	"Remove page_mapping()"
 	"More folio compat code removal"
 
 - David Hildenbrand chipped in with "fs/proc/task_mmu: convert hugetlb
   functions to work on folis".
 
 - Code consolidation and cleanup work related to GUP's handling of
   hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2".
 
 - Rick Edgecombe has developed some fixes to stack guard gaps in the
   series "Cover a guard gap corner case".
 
 - Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the series
   "mm/ksm: fix ksm exec support for prctl".
 
 - Baolin Wang has implemented NUMA balancing for multi-size THPs.  This
   is a simple first-cut implementation for now.  The series is "support
   multi-size THP numa balancing".
 
 - Cleanups to vma handling helper functions from Matthew Wilcox in the
   series "Unify vma_address and vma_pgoff_address".
 
 - Some selftests maintenance work from Dev Jain in the series
   "selftests/mm: mremap_test: Optimizations and style fixes".
 
 - Improvements to the swapping of multi-size THPs from Ryan Roberts in
   the series "Swap-out mTHP without splitting".
 
 - Kefeng Wang has significantly optimized the handling of arm64's
   permission page faults in the series
 
 	"arch/mm/fault: accelerate pagefault when badaccess"
 	"mm: remove arch's private VM_FAULT_BADMAP/BADACCESS"
 
 - GUP cleanups from David Hildenbrand in "mm/gup: consistently call it
   GUP-fast".
 
 - hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault path to
   use struct vm_fault".
 
 - selftests build fixes from John Hubbard in the series "Fix
   selftests/mm build without requiring "make headers"".
 
 - Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the
   series "Improved Memory Tier Creation for CPUless NUMA Nodes".  Fixes
   the initialization code so that migration between different memory types
   works as intended.
 
 - David Hildenbrand has improved follow_pte() and fixed an errant driver
   in the series "mm: follow_pte() improvements and acrn follow_pte()
   fixes".
 
 - David also did some cleanup work on large folio mapcounts in his
   series "mm: mapcount for large folios + page_mapcount() cleanups".
 
 - Folio conversions in KSM in Alex Shi's series "transfer page to folio
   in KSM".
 
 - Barry Song has added some sysfs stats for monitoring multi-size THP's
   in the series "mm: add per-order mTHP alloc and swpout counters".
 
 - Some zswap cleanups from Yosry Ahmed in the series "zswap same-filled
   and limit checking cleanups".
 
 - Matthew Wilcox has been looking at buffer_head code and found the
   documentation to be lacking.  The series is "Improve buffer head
   documentation".
 
 - Multi-size THPs get more work, this time from Lance Yang.  His series
   "mm/madvise: enhance lazyfreeing with mTHP in madvise_free" optimizes
   the freeing of these things.
 
 - Kemeng Shi has added more userspace-visible writeback instrumentation
   in the series "Improve visibility of writeback".
 
 - Kemeng Shi then sent some maintenance work on top in the series "Fix
   and cleanups to page-writeback".
 
 - Matthew Wilcox reduces mmap_lock traffic in the anon vma code in the
   series "Improve anon_vma scalability for anon VMAs".  Intel's test bot
   reported an improbable 3x improvement in one test.
 
 - SeongJae Park adds some DAMON feature work in the series
 
 	"mm/damon: add a DAMOS filter type for page granularity access recheck"
 	"selftests/damon: add DAMOS quota goal test"
 
 - Also some maintenance work in the series
 
 	"mm/damon/paddr: simplify page level access re-check for pageout"
 	"mm/damon: misc fixes and improvements"
 
 - David Hildenbrand has disabled some known-to-fail selftests ni the
   series "selftests: mm: cow: flag vmsplice() hugetlb tests as XFAIL".
 
 - memcg metadata storage optimizations from Shakeel Butt in "memcg:
   reduce memory consumption by memcg stats".
 
 - DAX fixes and maintenance work from Vishal Verma in the series
   "dax/bus.c: Fixups for dax-bus locking".
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Merge tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull mm updates from Andrew Morton:
 "The usual shower of singleton fixes and minor series all over MM,
  documented (hopefully adequately) in the respective changelogs.
  Notable series include:

   - Lucas Stach has provided some page-mapping cleanup/consolidation/
     maintainability work in the series "mm/treewide: Remove pXd_huge()
     API".

   - In the series "Allow migrate on protnone reference with
     MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's
     MPOL_PREFERRED_MANY mode, yielding almost doubled performance in
     one test.

   - In their series "Memory allocation profiling" Kent Overstreet and
     Suren Baghdasaryan have contributed a means of determining (via
     /proc/allocinfo) whereabouts in the kernel memory is being
     allocated: number of calls and amount of memory.

   - Matthew Wilcox has provided the series "Various significant MM
     patches" which does a number of rather unrelated things, but in
     largely similar code sites.

   - In his series "mm: page_alloc: freelist migratetype hygiene"
     Johannes Weiner has fixed the page allocator's handling of
     migratetype requests, with resulting improvements in compaction
     efficiency.

   - In the series "make the hugetlb migration strategy consistent"
     Baolin Wang has fixed a hugetlb migration issue, which should
     improve hugetlb allocation reliability.

   - Liu Shixin has hit an I/O meltdown caused by readahead in a
     memory-tight memcg. Addressed in the series "Fix I/O high when
     memory almost met memcg limit".

   - In the series "mm/filemap: optimize folio adding and splitting"
     Kairui Song has optimized pagecache insertion, yielding ~10%
     performance improvement in one test.

   - Baoquan He has cleaned up and consolidated the early zone
     initialization code in the series "mm/mm_init.c: refactor
     free_area_init_core()".

   - Baoquan has also redone some MM initializatio code in the series
     "mm/init: minor clean up and improvement".

   - MM helper cleanups from Christoph Hellwig in his series "remove
     follow_pfn".

   - More cleanups from Matthew Wilcox in the series "Various
     page->flags cleanups".

   - Vlastimil Babka has contributed maintainability improvements in the
     series "memcg_kmem hooks refactoring".

   - More folio conversions and cleanups in Matthew Wilcox's series:
	"Convert huge_zero_page to huge_zero_folio"
	"khugepaged folio conversions"
	"Remove page_idle and page_young wrappers"
	"Use folio APIs in procfs"
	"Clean up __folio_put()"
	"Some cleanups for memory-failure"
	"Remove page_mapping()"
	"More folio compat code removal"

   - David Hildenbrand chipped in with "fs/proc/task_mmu: convert
     hugetlb functions to work on folis".

   - Code consolidation and cleanup work related to GUP's handling of
     hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2".

   - Rick Edgecombe has developed some fixes to stack guard gaps in the
     series "Cover a guard gap corner case".

   - Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the
     series "mm/ksm: fix ksm exec support for prctl".

   - Baolin Wang has implemented NUMA balancing for multi-size THPs.
     This is a simple first-cut implementation for now. The series is
     "support multi-size THP numa balancing".

   - Cleanups to vma handling helper functions from Matthew Wilcox in
     the series "Unify vma_address and vma_pgoff_address".

   - Some selftests maintenance work from Dev Jain in the series
     "selftests/mm: mremap_test: Optimizations and style fixes".

   - Improvements to the swapping of multi-size THPs from Ryan Roberts
     in the series "Swap-out mTHP without splitting".

   - Kefeng Wang has significantly optimized the handling of arm64's
     permission page faults in the series
	"arch/mm/fault: accelerate pagefault when badaccess"
	"mm: remove arch's private VM_FAULT_BADMAP/BADACCESS"

   - GUP cleanups from David Hildenbrand in "mm/gup: consistently call
     it GUP-fast".

   - hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault
     path to use struct vm_fault".

   - selftests build fixes from John Hubbard in the series "Fix
     selftests/mm build without requiring "make headers"".

   - Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the
     series "Improved Memory Tier Creation for CPUless NUMA Nodes".
     Fixes the initialization code so that migration between different
     memory types works as intended.

   - David Hildenbrand has improved follow_pte() and fixed an errant
     driver in the series "mm: follow_pte() improvements and acrn
     follow_pte() fixes".

   - David also did some cleanup work on large folio mapcounts in his
     series "mm: mapcount for large folios + page_mapcount() cleanups".

   - Folio conversions in KSM in Alex Shi's series "transfer page to
     folio in KSM".

   - Barry Song has added some sysfs stats for monitoring multi-size
     THP's in the series "mm: add per-order mTHP alloc and swpout
     counters".

   - Some zswap cleanups from Yosry Ahmed in the series "zswap
     same-filled and limit checking cleanups".

   - Matthew Wilcox has been looking at buffer_head code and found the
     documentation to be lacking. The series is "Improve buffer head
     documentation".

   - Multi-size THPs get more work, this time from Lance Yang. His
     series "mm/madvise: enhance lazyfreeing with mTHP in madvise_free"
     optimizes the freeing of these things.

   - Kemeng Shi has added more userspace-visible writeback
     instrumentation in the series "Improve visibility of writeback".

   - Kemeng Shi then sent some maintenance work on top in the series
     "Fix and cleanups to page-writeback".

   - Matthew Wilcox reduces mmap_lock traffic in the anon vma code in
     the series "Improve anon_vma scalability for anon VMAs". Intel's
     test bot reported an improbable 3x improvement in one test.

   - SeongJae Park adds some DAMON feature work in the series
	"mm/damon: add a DAMOS filter type for page granularity access recheck"
	"selftests/damon: add DAMOS quota goal test"

   - Also some maintenance work in the series
	"mm/damon/paddr: simplify page level access re-check for pageout"
	"mm/damon: misc fixes and improvements"

   - David Hildenbrand has disabled some known-to-fail selftests ni the
     series "selftests: mm: cow: flag vmsplice() hugetlb tests as
     XFAIL".

   - memcg metadata storage optimizations from Shakeel Butt in "memcg:
     reduce memory consumption by memcg stats".

   - DAX fixes and maintenance work from Vishal Verma in the series
     "dax/bus.c: Fixups for dax-bus locking""

* tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (426 commits)
  memcg, oom: cleanup unused memcg_oom_gfp_mask and memcg_oom_order
  selftests/mm: hugetlb_madv_vs_map: avoid test skipping by querying hugepage size at runtime
  mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_wp
  mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_fault
  selftests: cgroup: add tests to verify the zswap writeback path
  mm: memcg: make alloc_mem_cgroup_per_node_info() return bool
  mm/damon/core: fix return value from damos_wmark_metric_value
  mm: do not update memcg stats for NR_{FILE/SHMEM}_PMDMAPPED
  selftests: cgroup: remove redundant enabling of memory controller
  Docs/mm/damon/maintainer-profile: allow posting patches based on damon/next tree
  Docs/mm/damon/maintainer-profile: change the maintainer's timezone from PST to PT
  Docs/mm/damon/design: use a list for supported filters
  Docs/admin-guide/mm/damon/usage: fix wrong schemes effective quota update command
  Docs/admin-guide/mm/damon/usage: fix wrong example of DAMOS filter matching sysfs file
  selftests/damon: classify tests for functionalities and regressions
  selftests/damon/_damon_sysfs: use 'is' instead of '==' for 'None'
  selftests/damon/_damon_sysfs: find sysfs mount point from /proc/mounts
  selftests/damon/_damon_sysfs: check errors from nr_schemes file reads
  mm/damon/core: initialize ->esz_bp from damos_quota_init_priv()
  selftests/damon: add a test for DAMOS quota goal
  ...
2024-05-19 09:21:03 -07:00
Linus Torvalds
ff9a79307f Kbuild updates for v6.10
- Avoid 'constexpr', which is a keyword in C23
 
  - Allow 'dtbs_check' and 'dt_compatible_check' run independently of
    'dt_binding_check'
 
  - Fix weak references to avoid GOT entries in position-independent
    code generation
 
  - Convert the last use of 'optional' property in arch/sh/Kconfig
 
  - Remove support for the 'optional' property in Kconfig
 
  - Remove support for Clang's ThinLTO caching, which does not work with
    the .incbin directive
 
  - Change the semantics of $(src) so it always points to the source
    directory, which fixes Makefile inconsistencies between upstream and
    downstream
 
  - Fix 'make tar-pkg' for RISC-V to produce a consistent package
 
  - Provide reasonable default coverage for objtool, sanitizers, and
    profilers
 
  - Remove redundant OBJECT_FILES_NON_STANDARD, KASAN_SANITIZE, etc.
 
  - Remove the last use of tristate choice in drivers/rapidio/Kconfig
 
  - Various cleanups and fixes in Kconfig
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Merge tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Avoid 'constexpr', which is a keyword in C23

 - Allow 'dtbs_check' and 'dt_compatible_check' run independently of
   'dt_binding_check'

 - Fix weak references to avoid GOT entries in position-independent code
   generation

 - Convert the last use of 'optional' property in arch/sh/Kconfig

 - Remove support for the 'optional' property in Kconfig

 - Remove support for Clang's ThinLTO caching, which does not work with
   the .incbin directive

 - Change the semantics of $(src) so it always points to the source
   directory, which fixes Makefile inconsistencies between upstream and
   downstream

 - Fix 'make tar-pkg' for RISC-V to produce a consistent package

 - Provide reasonable default coverage for objtool, sanitizers, and
   profilers

 - Remove redundant OBJECT_FILES_NON_STANDARD, KASAN_SANITIZE, etc.

 - Remove the last use of tristate choice in drivers/rapidio/Kconfig

 - Various cleanups and fixes in Kconfig

* tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (46 commits)
  kconfig: use sym_get_choice_menu() in sym_check_prop()
  rapidio: remove choice for enumeration
  kconfig: lxdialog: remove initialization with A_NORMAL
  kconfig: m/nconf: merge two item_add_str() calls
  kconfig: m/nconf: remove dead code to display value of bool choice
  kconfig: m/nconf: remove dead code to display children of choice members
  kconfig: gconf: show checkbox for choice correctly
  kbuild: use GCOV_PROFILE and KCSAN_SANITIZE in scripts/Makefile.modfinal
  Makefile: remove redundant tool coverage variables
  kbuild: provide reasonable defaults for tool coverage
  modules: Drop the .export_symbol section from the final modules
  kconfig: use menu_list_for_each_sym() in sym_check_choice_deps()
  kconfig: use sym_get_choice_menu() in conf_write_defconfig()
  kconfig: add sym_get_choice_menu() helper
  kconfig: turn defaults and additional prompt for choice members into error
  kconfig: turn missing prompt for choice members into error
  kconfig: turn conf_choice() into void function
  kconfig: use linked list in sym_set_changed()
  kconfig: gconf: use MENU_CHANGED instead of SYMBOL_CHANGED
  kconfig: gconf: remove debug code
  ...
2024-05-18 12:39:20 -07:00
Linus Torvalds
972a2543e3 drm urgent for 6.10-rc1 merge:
buddy:
 - fix breakage in buddy allocator.
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Merge tag 'drm-next-2024-05-16' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fix from Dave Airlie:

 - fix breakage in buddy allocator

* tag 'drm-next-2024-05-16' of https://gitlab.freedesktop.org/drm/kernel:
  drm/tests: Add a unit test for range bias allocation
  drm/buddy: Fix the range bias clear memory allocation issue
2024-05-16 08:44:19 -07:00
Arunpravin Paneer Selvam
431c590c3a drm/tests: Add a unit test for range bias allocation
Allocate cleared blocks in the bias range when the DRM
buddy's clear avail is zero. This will validate the bias
range allocation in scenarios like system boot when no
cleared blocks are available and exercise the fallback
path too. The resulting blocks should always be dirty.

v1:(Matthew)
  - move the size to the variable declaration section.
  - move the mm.clear_avail init to allocator init.

Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240514145636.16253-2-Arunpravin.PaneerSelvam@amd.com
2024-05-16 12:50:14 +10:00
Arunpravin Paneer Selvam
bb21700baf drm/buddy: Fix the range bias clear memory allocation issue
Problem statement: During the system boot time, an application request
for the bulk volume of cleared range bias memory when the clear_avail
is zero, we dont fallback into normal allocation method as we had an
unnecessary clear_avail check which prevents the fallback method leads
to fb allocation failure following system goes into unresponsive state.

Solution: Remove the unnecessary clear_avail check in the range bias
allocation function.

v2: add a kunit for this corner case (Daniel Vetter)

Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Fixes: 96950929eb ("drm/buddy: Implement tracking clear page feature")
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240514145636.16253-1-Arunpravin.PaneerSelvam@amd.com
2024-05-16 12:50:04 +10:00
Linus Torvalds
db5d28c0bf drm for 6.10-rc1
new drivers:
 - panthor: ARM Mali/Immortalis CSF-based GPU driver
 
 core:
 - add a CONFIG_DRM_WERROR option
 - make more headers self-contained
 - grab resv lock in pin/unpin
 - fix vmap resv locking
 - EDID/eDP panel matching
 - Kconfig cleanups
 - DT sound bindings
 - Add SIZE_HINTS property for cursor planes
 - Add struct drm_edid_product_id and helpers.
 - Use drm device based logging in more drm functions.
 - drop seq_file.h from a bunch of places
 - use drm_edid driver conversions
 
 dp:
 - DP Tunnel documentation
 - MST read sideband cap
 - Adaptive sync SDP prep work
 
 ttm:
 - improve placement for TTM BOs in idle/busy handling
 
 panic:
 - Fixes for drm-panic, and option to test it.
 - Add drm panic to simpledrm, mgag200, imx, ast
 
 bridge:
 - improve init ordering
 - adv7511: allow GPIO pin sharing
 - tc358775: add tc358675 support
 
 panel:
 - AUO B120XAN01.0
 - Samsung s6e3fa7
 - BOE NT116WHM-N44
 - CMN N116BCA-EA1,
 - CrystalClear CMT430B19N00
 - Startek KD050HDFIA020-C020A
 - powertip PH128800T006-ZHC01
 - Innolux G121X1-L03
 - LG sw43408
 - Khadas TS050 V2
 - EDO RM69380 OLED
 - CSOT MNB601LS1-1
 
 amdgpu:
 - HDCP/ODM/RAS fixes
 - Devcoredump improvements
 - Expose VCN activity via sysfs
 - SMY 13.0.x updates
 - Enable fast updates on DCN 3.1.4
 - Add dclk and vclk reporting on additional devices
 - Add ACA RAS infrastructure
 - Implement TLB flush fence
 - EEPROM handling fixes
 - SMUIO 14.0.2 support
 - SMU 14.0.1 Updates
 - SMU 14.0.2 support
 - Sync page table freeing with TLB flushes
 - DML2 refactor
 - DC debug improvements
 - DCN 3.5.x Updates
 - GPU reset fixes
 - HDP fix for second GFX pipe on GC 10.x
 - Enable secondary GFX pipe on GC 10.3
 - Refactor and clean up BACO/BOCO/BAMACO handling
 - Remove invalid TTM resource start check
 - UAF fix in VA IOCTL
 - GPUVM page fault redirection to secondary IH rings for IH 6.x
 - Initial support for mapping kernel queues via MES
 - Fix VRAM memory accounting
 
 amdkfd:
 - MQD handling cleanup
 - Preemption handling fixes for XCDs
 - TLB flush fix for GC 9.4.2
 - Properly clean up workqueue during module unload
 - Fix memory leak process create failure
 - Range check CP bad op exception targets to avoid reporting invalid exceptions to userspace
 - Fix eviction fence handling
 - Fix leak in GPU memory allocation failure case
 - DMABuf import handling fix
 - Enable SQ watchpoint for gfx10
 
 i915:
 - Adding new DG2 PCI ID
 - add context hints for GT frequency
 - enable only one CCS for compute workloads
 - new workarounds
 - Fix UAF on destroy against retire race and remove two earlier partial fixes
 - Limit the reserved VM space to only the platforms that need it
 - Fix gt reset with GuC submission is disable
 - Add and use gt_to_guc() wrapper
 
 i915/xe display:
 - Lunar Lake display enabling, including cdclk and other refactors
 - BIOS/VBT/opregion related refactor
 - Digital port related refactor/clean-up
 - Fix 2s boot time regression on DP panel replay init
 - Remove duplication on audio enable/disable on SDVO and g4x+ DP
 - Disable AuxCCS framebuffers if built for Xe
 - Make crtc disable more atomic
 - Increase DP idle pattern wait timeout to 2ms
 - Start using container_of_const() for some extra const safety
 - Fix Jasper Lake boot freeze
 - Enable MST mode for 128b/132b single-stream sideband
 - Enable Adaptive Sync SDP Support for DP
 - Fix MTL supported DP rates - removal of UHBR13.5
 - PLL refactoring
 - Limit eDP MSO pipe only for display version 20
 - More display refactor towards independence from i915 dev_priv
 - Convert i915/xe fbdev to DRM client
 - More initial work to make display code more independent from i915
 
 xe:
 - improved error capture
 - clean up some uAPI leftovers
 - devcoredump update
 - Add BMG mocs table
 - Handle GSCCS ER interrupt
 - Implement xe2- and GuC workarounds
 - struct xe_device cleanup
 - Hwmon updates
 - Add LRC parsing for more GPU instruction
 - Increase VM_BIND number of per-ioctl Ops
 - drm/xe: Add XE_BO_GGTT_INVALIDATE flag
 - Initial development for SR-IOV support
 - Add new PCI IDs to DG2 platform
 - Move userptr over to start using hmm_range_fault
 
 msm:
 - Switched to generating register header files during build process
   instead of shipping pre-generated headers
 - Merged DPU and MDP4 format databases.
 - DP:
 - Stop using compat string to distinguish DP and eDP cases
 - Added support for X Elite platform (X1E80100)
 - Reworked DP aux/audio support
 - Added SM6350 DP to the bindings
 - GPU:
 - a7xx perfcntr reg fixes
 - MAINTAINERS updates
 - a750 devcoredump support
 
 radeon:
 - Silence UBSAN warnings related to flexible arrays
 
 nouveau:
 - move some uAPI objects to uapi headers
 
 omapdrm:
 - console fix
 
 ast:
 - add i2c polling
 
 qaic:
 - add debugfs entries
 
 exynos:
 - fix platform_driver .owner
 - drop cleanup code
 
 mediatek:
 - Use devm_platform_get_and_ioremap_resource() in mtk_hdmi_ddc_probe()
 - Add GAMMA 12-bit LUT support for MT8188
 - Rename mtk_drm_* to mtk_*
 - Drop driver owner initialization
 - Correct calculation formula of PHY Timing
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Merge tag 'drm-next-2024-05-15' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "This is the main pull request for the drm subsystems for 6.10.

  In drivers the main thing is a new driver for ARM Mali firmware based
  GPUs, otherwise there are a lot of changes to amdgpu/xe/i915/msm and
  scattered changes to everything else.

  In the core a bunch of headers and Kconfig was refactored, along with
  the addition of a new panic handler which is meant to provide a user
  friendly message when a panic happens and graphical display is
  enabled.

  New drivers:
   - panthor: ARM Mali/Immortalis CSF-based GPU driver

  Core:
   - add a CONFIG_DRM_WERROR option
   - make more headers self-contained
   - grab resv lock in pin/unpin
   - fix vmap resv locking
   - EDID/eDP panel matching
   - Kconfig cleanups
   - DT sound bindings
   - Add SIZE_HINTS property for cursor planes
   - Add struct drm_edid_product_id and helpers.
   - Use drm device based logging in more drm functions.
   - drop seq_file.h from a bunch of places
   - use drm_edid driver conversions

  dp:
   - DP Tunnel documentation
   - MST read sideband cap
   - Adaptive sync SDP prep work

  ttm:
   - improve placement for TTM BOs in idle/busy handling

  panic:
   - Fixes for drm-panic, and option to test it.
   - Add drm panic to simpledrm, mgag200, imx, ast

  bridge:
   - improve init ordering
   - adv7511: allow GPIO pin sharing
   - tc358775: add tc358675 support

  panel:
   - AUO B120XAN01.0
   - Samsung s6e3fa7
   - BOE NT116WHM-N44
   - CMN N116BCA-EA1,
   - CrystalClear CMT430B19N00
   - Startek KD050HDFIA020-C020A
   - powertip PH128800T006-ZHC01
   - Innolux G121X1-L03
   - LG sw43408
   - Khadas TS050 V2
   - EDO RM69380 OLED
   - CSOT MNB601LS1-1

  amdgpu:
   - HDCP/ODM/RAS fixes
   - Devcoredump improvements
   - Expose VCN activity via sysfs
   - SMY 13.0.x updates
   - Enable fast updates on DCN 3.1.4
   - Add dclk and vclk reporting on additional devices
   - Add ACA RAS infrastructure
   - Implement TLB flush fence
   - EEPROM handling fixes
   - SMUIO 14.0.2 support
   - SMU 14.0.1 Updates
   - SMU 14.0.2 support
   - Sync page table freeing with TLB flushes
   - DML2 refactor
   - DC debug improvements
   - DCN 3.5.x Updates
   - GPU reset fixes
   - HDP fix for second GFX pipe on GC 10.x
   - Enable secondary GFX pipe on GC 10.3
   - Refactor and clean up BACO/BOCO/BAMACO handling
   - Remove invalid TTM resource start check
   - UAF fix in VA IOCTL
   - GPUVM page fault redirection to secondary IH rings for IH 6.x
   - Initial support for mapping kernel queues via MES
   - Fix VRAM memory accounting

  amdkfd:
   - MQD handling cleanup
   - Preemption handling fixes for XCDs
   - TLB flush fix for GC 9.4.2
   - Properly clean up workqueue during module unload
   - Fix memory leak process create failure
   - Range check CP bad op exception targets to avoid reporting invalid exceptions to userspace
   - Fix eviction fence handling
   - Fix leak in GPU memory allocation failure case
   - DMABuf import handling fix
   - Enable SQ watchpoint for gfx10

  i915:
   - Adding new DG2 PCI ID
   - add context hints for GT frequency
   - enable only one CCS for compute workloads
   - new workarounds
   - Fix UAF on destroy against retire race and remove two earlier partial fixes
   - Limit the reserved VM space to only the platforms that need it
   - Fix gt reset with GuC submission is disable
   - Add and use gt_to_guc() wrapper

  i915/xe display:
   - Lunar Lake display enabling, including cdclk and other refactors
   - BIOS/VBT/opregion related refactor
   - Digital port related refactor/clean-up
   - Fix 2s boot time regression on DP panel replay init
   - Remove duplication on audio enable/disable on SDVO and g4x+ DP
   - Disable AuxCCS framebuffers if built for Xe
   - Make crtc disable more atomic
   - Increase DP idle pattern wait timeout to 2ms
   - Start using container_of_const() for some extra const safety
   - Fix Jasper Lake boot freeze
   - Enable MST mode for 128b/132b single-stream sideband
   - Enable Adaptive Sync SDP Support for DP
   - Fix MTL supported DP rates - removal of UHBR13.5
   - PLL refactoring
   - Limit eDP MSO pipe only for display version 20
   - More display refactor towards independence from i915 dev_priv
   - Convert i915/xe fbdev to DRM client
   - More initial work to make display code more independent from i915

  xe:
   - improved error capture
   - clean up some uAPI leftovers
   - devcoredump update
   - Add BMG mocs table
   - Handle GSCCS ER interrupt
   - Implement xe2- and GuC workarounds
   - struct xe_device cleanup
   - Hwmon updates
   - Add LRC parsing for more GPU instruction
   - Increase VM_BIND number of per-ioctl Ops
   - drm/xe: Add XE_BO_GGTT_INVALIDATE flag
   - Initial development for SR-IOV support
   - Add new PCI IDs to DG2 platform
   - Move userptr over to start using hmm_range_fault

  msm:
   - Switched to generating register header files during build process
     instead of shipping pre-generated headers
   - Merged DPU and MDP4 format databases.
   - DP:
     - Stop using compat string to distinguish DP and eDP cases
     - Added support for X Elite platform (X1E80100)
     - Reworked DP aux/audio support
     - Added SM6350 DP to the bindings
   - GPU:
     - a7xx perfcntr reg fixes
     - MAINTAINERS updates
     - a750 devcoredump support

  radeon:
   - Silence UBSAN warnings related to flexible arrays

  nouveau:
   - move some uAPI objects to uapi headers

  omapdrm:
   - console fix

  ast:
   - add i2c polling

  qaic:
   - add debugfs entries

  exynos:
   - fix platform_driver .owner
   - drop cleanup code

  mediatek:
   - Use devm_platform_get_and_ioremap_resource() in mtk_hdmi_ddc_probe()
   - Add GAMMA 12-bit LUT support for MT8188
   - Rename mtk_drm_* to mtk_*
   - Drop driver owner initialization
   - Correct calculation formula of PHY Timing"

* tag 'drm-next-2024-05-15' of https://gitlab.freedesktop.org/drm/kernel: (1477 commits)
  drm/xe/ads: Use flexible-array
  drm/xe: Use ordered WQ for G2H handler
  drm/msm/gen_header: allow skipping the validation
  drm/msm/a6xx: Cleanup indexed regs const'ness
  drm/msm: Add devcoredump support for a750
  drm/msm: Adjust a7xx GBIF debugbus dumping
  drm/msm: Update a6xx registers XML
  drm/msm: Fix imported a750 snapshot header for upstream
  drm/msm: Import a750 snapshot registers from kgsl
  MAINTAINERS: Add Konrad Dybcio as a reviewer for the Adreno driver
  MAINTAINERS: Add a separate entry for Qualcomm Adreno GPU drivers
  drm/msm/a6xx: Avoid a nullptr dereference when speedbin setting fails
  drm/msm/adreno: fix CP cycles stat retrieval on a7xx
  drm/msm/a7xx: allow writing to CP_BV counter selection registers
  drm: zynqmp_dpsub: Always register bridge
  Revert "drm/bridge: ti-sn65dsi83: Fix enable error path"
  drm/fb_dma: Add checks in drm_fb_dma_get_scanout_buffer()
  drm/fbdev-generic: Do not set physical framebuffer address
  drm/panthor: Fix the FW reset logic
  drm/panthor: Make sure we handle 'unknown group state' case properly
  ...
2024-05-15 09:43:42 -07:00
Linus Torvalds
84c7d76b5a This update includes the following changes:
API:
 
 - Remove crypto stats interface.
 
 Algorithms:
 
 - Add faster AES-XTS on modern x86_64 CPUs.
 - Forbid curves with order less than 224 bits in ecc (FIPS 186-5).
 - Add ECDSA NIST P521.
 
 Drivers:
 
 - Expose otp zone in atmel.
 - Add dh fallback for primes > 4K in qat.
 - Add interface for live migration in qat.
 - Use dma for aes requests in starfive.
 - Add full DMA support for stm32mpx in stm32.
 - Add Tegra Security Engine driver.
 
 Others:
 
 - Introduce scope-based x509_certificate allocation.
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Merge tag 'v6.10-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Remove crypto stats interface

  Algorithms:
   - Add faster AES-XTS on modern x86_64 CPUs
   - Forbid curves with order less than 224 bits in ecc (FIPS 186-5)
   - Add ECDSA NIST P521

  Drivers:
   - Expose otp zone in atmel
   - Add dh fallback for primes > 4K in qat
   - Add interface for live migration in qat
   - Use dma for aes requests in starfive
   - Add full DMA support for stm32mpx in stm32
   - Add Tegra Security Engine driver

  Others:
   - Introduce scope-based x509_certificate allocation"

* tag 'v6.10-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (123 commits)
  crypto: atmel-sha204a - provide the otp content
  crypto: atmel-sha204a - add reading from otp zone
  crypto: atmel-i2c - rename read function
  crypto: atmel-i2c - add missing arg description
  crypto: iaa - Use kmemdup() instead of kzalloc() and memcpy()
  crypto: sahara - use 'time_left' variable with wait_for_completion_timeout()
  crypto: api - use 'time_left' variable with wait_for_completion_killable_timeout()
  crypto: caam - i.MX8ULP donot have CAAM page0 access
  crypto: caam - init-clk based on caam-page0-access
  crypto: starfive - Use fallback for unaligned dma access
  crypto: starfive - Do not free stack buffer
  crypto: starfive - Skip unneeded fallback allocation
  crypto: starfive - Skip dma setup for zeroed message
  crypto: hisilicon/sec2 - fix for register offset
  crypto: hisilicon/debugfs - mask the unnecessary info from the dump
  crypto: qat - specify firmware files for 402xx
  crypto: x86/aes-gcm - simplify GCM hash subkey derivation
  crypto: x86/aes-gcm - delete unused GCM assembly code
  crypto: x86/aes-xts - simplify loop in xts_crypt_slowpath()
  hwrng: stm32 - repair clock handling
  ...
2024-05-13 14:53:05 -07:00
Mohamed Ahmed
959314c438 drm/nouveau: use tile_mode and pte_kind for VM_BIND bo allocations
Allow PTE kind and tile mode on BO create with VM_BIND, and add a
GETPARAM to indicate this change. This is needed to support modifiers in
NVK and ensure correctness when dealing with the nouveau GL driver.

The userspace modifiers implementation this is for can be found here:
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24795

Fixes: b88baab828 ("drm/nouveau: implement new VM_BIND uAPI")
Signed-off-by: Mohamed Ahmed <mohamedahmedegypt2001@gmail.com>
Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240509204352.7597-1-mohamedahmedegypt2001@gmail.com
2024-05-13 22:27:33 +02:00
Heiner Kallweit
fec1982d70 i2c: mux: Remove class argument from i2c_mux_add_adapter()
99a741aa7a2d ("i2c: mux: gpio: remove support for class-based device
instantiation") removed the last call to i2c_mux_add_adapter() with a
non-null class argument. Therefore the class argument can be removed.

Note: Class-based device instantiation is a legacy mechanism which
shouldn't be used in new code, so we can rule out that this argument
may be needed again in the future.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
2024-05-13 16:13:19 +02:00
Boris Brezillon
3ce4322b1a drm/panthor: Call panthor_sched_post_reset() even if the reset failed
We need to undo what was done in panthor_sched_pre_reset() even if the
reset failed. We just flag all previously running groups as terminated
when that happens to unblock things.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240502183813.1612017-5-boris.brezillon@collabora.com
2024-05-13 09:52:22 +02:00
Boris Brezillon
a257e81822 drm/panthor: Reset the FW VM to NULL on unplug
This way get NULL derefs instead of use-after-free if the FW VM is
referenced after the device has been unplugged.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240502183813.1612017-4-boris.brezillon@collabora.com
2024-05-13 09:52:19 +02:00
Boris Brezillon
ff60c8da0a drm/panthor: Keep a ref to the VM at the panthor_kernel_bo level
Avoids use-after-free situations when panthor_fw_unplug() is called
and the kernel BO was mapped to the FW VM.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240502183813.1612017-3-boris.brezillon@collabora.com
2024-05-13 09:52:13 +02:00
Boris Brezillon
2b2a26b331 drm/panthor: Force an immediate reset on unrecoverable faults
If the FW reports an unrecoverable fault, we need to reset the GPU
before we can start re-using it again.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240502183813.1612017-2-boris.brezillon@collabora.com
2024-05-13 09:52:09 +02:00
Boris Brezillon
8e43b1e537 drm/panthor: Fix an off-by-one in the heap context retrieval logic
The heap ID is used to index the heap context pool, and allocating
in the [1:MAX_HEAPS_PER_POOL] leads to an off-by-one. This was
originally to avoid returning a zero heap handle, but given the handle
is formed with (vm_id << 16) | heap_id, with vm_id > 0, we already can't
end up with a valid heap handle that's zero.

v4:
- s/XA_FLAGS_ALLOC1/XA_FLAGS_ALLOC/

v3:
- Allocate in the [0:MAX_HEAPS_PER_POOL-1] range

v2:
- New patch

Fixes: 9cca48fa4f ("drm/panthor: Add the heap logical block")
Reported-by: Eric Smith <eric.smith@collabora.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Tested-by: Eric Smith <eric.smith@collabora.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240502165158.1458959-5-boris.brezillon@collabora.com
2024-05-13 09:49:22 +02:00
Boris Brezillon
69a429905c drm/panthor: Relax the constraints on the tiler chunk size
The field used to store the chunk size if 12 bits wide, and the encoding
is chunk_size = chunk_header.chunk_size << 12, which gives us a
theoretical [4k:8M] range. This range is further limited by
implementation constraints, and all known implementations seem to
impose a [128k:8M] range, so do the same here.

We also relax the power-of-two constraint, which doesn't seem to
exist on v10. This will allow userspace to fine-tune initial/max
tiler memory on memory-constrained devices.

v4:
- Actually fix the range in the kerneldoc

v3:
- Add R-bs
- Fix valid range in the kerneldoc

v2:
- Turn the power-of-two constraint into a page-aligned constraint to allow
  fine-tune of the initial/max heap memory size
- Fix the panthor_heap_create() kerneldoc

Fixes: 9cca48fa4f ("drm/panthor: Add the heap logical block")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240502165158.1458959-4-boris.brezillon@collabora.com
2024-05-13 09:49:19 +02:00
Boris Brezillon
e3193f0fbd drm/panthor: Make sure the tiler initial/max chunks are consistent
It doesn't make sense to have a maximum number of chunks smaller than
the initial number of chunks attached to the context.

Fix the uAPI header to reflect the new constraint, and mention the
undocumented "initial_chunk_count > 0" constraint while at it.

v3:
- Add R-b

v2:
- Fix the check

Fixes: 9cca48fa4f ("drm/panthor: Add the heap logical block")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240502165158.1458959-3-boris.brezillon@collabora.com
2024-05-13 09:49:15 +02:00
Antonino Maniscalco
d214329757 drm/panthor: Fix tiler OOM handling to allow incremental rendering
If the kernel couldn't allocate memory because we reached the maximum
number of chunks but no render passes are in flight
(panthor_heap_grow() returning -ENOMEM), we should defer the OOM
handling to the FW by returning a NULL chunk. The FW will then call
the tiler OOM exception handler, which is supposed to implement
incremental rendering (execute an intermediate fragment job to flush
the pending primitives, release the tiler memory that was used to
store those primitives, and start over from where it stopped).

Instead of checking for both ENOMEM and EBUSY, make panthor_heap_grow()
return ENOMEM no matter the reason of this allocation failure, the FW
doesn't care anyway.

v3:
- Add R-bs

v2:
- Make panthor_heap_grow() return -ENOMEM for all kind of allocation
  failures
- Document the panthor_heap_grow() semantics

Fixes: de85488138 ("drm/panthor: Add the scheduler logical block")
Signed-off-by: Antonino Maniscalco <antonino.maniscalco@collabora.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240502165158.1458959-2-boris.brezillon@collabora.com
2024-05-13 09:49:12 +02:00
Linus Torvalds
cf87f46fd3 drm fixes for 6.9 final
core:
 - fix connector debugging output
 
 i915:
 - Automate CCS Mode setting during engine resets
 - Fix audio time stamp programming for DP
 - Fix parsing backlight BDB data
 
 xe:
 - Fix use zero-length element array
 - Move more from system wq to ordered private wq
 - Do not ignore return for drmm_mutex_init
 
 amdgpu:
 - DCN 3.5 fix
 - MST DSC fixes
 - S0i3 fix
 - S4 fix
 - HDP MMIO mapping fix
 - Fix a regression in visible vram handling
 
 amdkfd:
 - Spatial partition fix
 
 meson:
 - dw-hdmi: power-up fixes
 - dw-hdmi: add badngap setting for g12
 
 nouveau:
 - revert SG_DEBUG fix that has a side effect
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Merge tag 'drm-fixes-2024-05-11' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "This should be the last set of fixes for 6.9, i915, xe and amdgpu are
  the bulk here, one of the previous nouveau fixes turned up an issue,
  so reverting it, otherwise one core and a couple of meson fixes.

  core:
   - fix connector debugging output

  i915:
   - Automate CCS Mode setting during engine resets
   - Fix audio time stamp programming for DP
   - Fix parsing backlight BDB data

  xe:
   - Fix use zero-length element array
   - Move more from system wq to ordered private wq
   - Do not ignore return for drmm_mutex_init

  amdgpu:
   - DCN 3.5 fix
   - MST DSC fixes
   - S0i3 fix
   - S4 fix
   - HDP MMIO mapping fix
   - Fix a regression in visible vram handling

  amdkfd:
   - Spatial partition fix

  meson:
   - dw-hdmi: power-up fixes
   - dw-hdmi: add badngap setting for g12

  nouveau:
   - revert SG_DEBUG fix that has a side effect"

* tag 'drm-fixes-2024-05-11' of https://gitlab.freedesktop.org/drm/kernel:
  Revert "drm/nouveau/firmware: Fix SG_DEBUG error with nvkm_firmware_ctor()"
  drm/amdgpu: Fix comparison in amdgpu_res_cpu_visible
  drm/amdkfd: don't allow mapping the MMIO HDP page with large pages
  drm/xe: Use ordered WQ for G2H handler
  drm/xe/guc: Check error code when initializing the CT mutex
  drm/xe/ads: Use flexible-array
  Revert "drm/amdkfd: Add partition id field to location_id"
  dm/amd/pm: Fix problems with reboot/shutdown for some SMU 13.0.4/13.0.11 users
  drm/amd/display: MST DSC check for older devices
  drm/amd/display: Fix idle optimization checks for multi-display and dual eDP
  drm/amd/display: Fix DSC-re-computing
  drm/amd/display: Enable urgent latency adjustments for DCN35
  drm/connector: Add \n to message about demoting connector force-probes
  drm/i915/bios: Fix parsing backlight BDB data
  drm/i915/audio: Fix audio time stamp programming for DP
  drm/i915/gt: Automate CCS Mode setting during engine resets
  drm/meson: dw-hdmi: add bandgap setting for g12
  drm/meson: dw-hdmi: power up phy on device init
2024-05-10 14:37:05 -07:00
Dave Airlie
a222a6470d Revert "drm/nouveau/firmware: Fix SG_DEBUG error with nvkm_firmware_ctor()"
This reverts commit 52a6947bf5.

This causes loading failures in
[    0.367379] nouveau 0000:01:00.0: NVIDIA GP104 (134000a1)
[    0.474499] nouveau 0000:01:00.0: bios: version 86.04.50.80.13
[    0.474620] nouveau 0000:01:00.0: pmu: firmware unavailable
[    0.474977] nouveau 0000:01:00.0: fb: 8192 MiB GDDR5
[    0.484371] nouveau 0000:01:00.0: sec2(acr): mbox 00000001 00000000
[    0.484377] nouveau 0000:01:00.0: sec2(acr):load: boot failed: -5
[    0.484379] nouveau 0000:01:00.0: acr: init failed, -5
[    0.484466] nouveau 0000:01:00.0: init failed with -5
[    0.484468] nouveau: DRM-master:00000000:00000080: init failed with -5
[    0.484470] nouveau 0000:01:00.0: DRM-master: Device allocation failed: -5
[    0.485078] nouveau 0000:01:00.0: probe with driver nouveau failed with error -50

I tried tracking it down but ran out of time this week, will revisit next week.

Reported-by: Dan Moulding <dan@danm.net>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2024-05-11 07:04:10 +10:00
Dave Airlie
b61821bb32 Short summary of fixes pull:
core:
 - fix connector debugging output
 
 meson:
 - dw-hdmi: power-up fixes
 - dw-hdmi: add badngap setting for g12
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Merge tag 'drm-misc-fixes-2024-05-10' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes

Short summary of fixes pull:

core:
- fix connector debugging output

meson:
- dw-hdmi: power-up fixes
- dw-hdmi: add badngap setting for g12

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240510072027.GA9131@linux.fritz.box
2024-05-11 07:01:16 +10:00
Dave Airlie
06fbf84f46 amd-drm-fixes-6.9-2024-05-10:
amdgpu:
 - DCN 3.5 fix
 - MST DSC fixes
 - S0i3 fix
 - S4 fix
 - HDP MMIO mapping fix
 - Fix a regression in visible vram handling
 
 amdkfd:
 - Spatial partition fix
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Merge tag 'amd-drm-fixes-6.9-2024-05-10' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.9-2024-05-10:

amdgpu:
- DCN 3.5 fix
- MST DSC fixes
- S0i3 fix
- S4 fix
- HDP MMIO mapping fix
- Fix a regression in visible vram handling

amdkfd:
- Spatial partition fix

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240510171110.1394940-1-alexander.deucher@amd.com
2024-05-11 06:42:45 +10:00
Michel Dänzer
8d2c930735 drm/amdgpu: Fix comparison in amdgpu_res_cpu_visible
It incorrectly claimed a resource isn't CPU visible if it's located at
the very end of CPU visible VRAM.

Fixes: a6ff969fe9 ("drm/amdgpu: fix visible VRAM handling during faults")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3343
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reported-and-Tested-by: Jeremy Day <jsday@noreason.ca>
Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
2024-05-10 13:05:13 -04:00
Alex Deucher
be4a2a81b6 drm/amdkfd: don't allow mapping the MMIO HDP page with large pages
We don't get the right offset in that case.  The GPU has
an unused 4K area of the register BAR space into which you can
remap registers.  We remap the HDP flush registers into this
space to allow userspace (CPU or GPU) to flush the HDP when it
updates VRAM.  However, on systems with >4K pages, we end up
exposing PAGE_SIZE of MMIO space.

Fixes: d8e408a827 ("drm/amdkfd: Expose HDP registers to user space")
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2024-05-10 13:05:13 -04:00
Greg Kroah-Hartman
adeab5bfb8 Linux 6.9-rc7
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Merge 6.9-rc7 into usb-next

We want the USB fixes in here as well, and resolve a merge conflict in
drivers/usb/dwc3/core.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-05-10 09:38:01 +01:00
Dave Airlie
275654c02f Driver Changes:
- Use ordered WQ for G2H handler. (Matthew Brost)
 - Use flexible-array rather than zero-sized (Lucas De Marchi)
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Merge tag 'drm-xe-next-fixes-2024-05-09-1' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next

Driver Changes:
- Use ordered WQ for G2H handler. (Matthew Brost)
- Use flexible-array rather than zero-sized (Lucas De Marchi)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Zjz7SzCvfA3vQRxu@fedora
2024-05-10 12:41:34 +10:00
Dave Airlie
110ed472d3 Merge tag 'drm-misc-next-fixes-2024-05-08' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next-fixes for v6.10-rc1:
- panthor fixes.
- Reverting Kconfig changes, and moving drm options to submenu.
- Hide physical fb address in fb helper.
- zynqmp bridge fix.
- Revert broken ti-sn65dsi83 fix.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/fe630414-d13e-4052-86f3-ce3155eb3e44@linux.intel.com
2024-05-10 12:06:28 +10:00
Dave Airlie
c815e4e79b Merge tag 'drm-msm-next-2024-05-07' of https://gitlab.freedesktop.org/drm/msm into drm-next
Updates for v6.10

Core:
- Switched to generating register header files during build process
  instead of shipping pre-generated headers
- Merged DPU and MDP4 format databases.

DP:
- Stop using compat string to distinguish DP and eDP cases
- Added support for X Elite platform (X1E80100)
- Reworked DP aux/audio support
- Added SM6350 DP to the bindings (no driver changes, using SM8350
  as a fallback compat)

GPU:
- a7xx perfcntr reg fixes
- MAINTAINERS updates
- a750 devcoredump support

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGtpw6dNR9JBikFTQ=TCpt-9FeFW+SGjXWv+Jv3emm0Pbg@mail.gmail.com
2024-05-10 10:22:59 +10:00
Dave Airlie
fa68a34ec3 - Fix use zero-length element array
- Move more from system wq to ordered private wq
 - Do not ignore return for drmm_mutex_init
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Merge tag 'drm-xe-fixes-2024-05-09' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes

- Fix use zero-length element array
- Move more from system wq to ordered private wq
- Do not ignore return for drmm_mutex_init

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c3rduifdp5wipkljdpuq4x6uowkc2uyzgdoft4txvp6mgvzjaj@7zw7c6uw4wrf
2024-05-10 10:06:07 +10:00
Masahiro Yamada
b1992c3772 kbuild: use $(src) instead of $(srctree)/$(src) for source directory
Kbuild conventionally uses $(obj)/ for generated files, and $(src)/ for
checked-in source files. It is merely a convention without any functional
difference. In fact, $(obj) and $(src) are exactly the same, as defined
in scripts/Makefile.build:

    src := $(obj)

When the kernel is built in a separate output directory, $(src) does
not accurately reflect the source directory location. While Kbuild
resolves this discrepancy by specifying VPATH=$(srctree) to search for
source files, it does not cover all cases. For example, when adding a
header search path for local headers, -I$(srctree)/$(src) is typically
passed to the compiler.

This introduces inconsistency between upstream and downstream Makefiles
because $(src) is used instead of $(srctree)/$(src) for the latter.

To address this inconsistency, this commit changes the semantics of
$(src) so that it always points to the directory in the source tree.

Going forward, the variables used in Makefiles will have the following
meanings:

  $(obj)     - directory in the object tree
  $(src)     - directory in the source tree  (changed by this commit)
  $(objtree) - the top of the kernel object tree
  $(srctree) - the top of the kernel source tree

Consequently, $(srctree)/$(src) in upstream Makefiles need to be replaced
with $(src).

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
2024-05-10 04:34:52 +09:00