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75c8b703e5bded1e33b08fb09b829e7c2c1ed50a
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Arunpravin Paneer Selvam 75c8b703e5 drm/amdgpu: Add a lock when accessing the buddy trim function 
When running YouTube videos and Steam games simultaneously,
the tester found a system hang / race condition issue with
the multi-display configuration setting. Adding a lock to
the buddy allocator's trim function would be the solution.

<log snip>
[ 7197.250436] general protection fault, probably for non-canonical address 0xdead000000000108
[ 7197.250447] RIP: 0010:__alloc_range+0x8b/0x340 [amddrm_buddy]
[ 7197.250470] Call Trace:
[ 7197.250472]  <TASK>
[ 7197.250475]  ? show_regs+0x6d/0x80
[ 7197.250481]  ? die_addr+0x37/0xa0
[ 7197.250483]  ? exc_general_protection+0x1db/0x480
[ 7197.250488]  ? drm_suballoc_new+0x13c/0x93d [drm_suballoc_helper]
[ 7197.250493]  ? asm_exc_general_protection+0x27/0x30
[ 7197.250498]  ? __alloc_range+0x8b/0x340 [amddrm_buddy]
[ 7197.250501]  ? __alloc_range+0x109/0x340 [amddrm_buddy]
[ 7197.250506]  amddrm_buddy_block_trim+0x1b5/0x260 [amddrm_buddy]
[ 7197.250511]  amdgpu_vram_mgr_new+0x4f5/0x590 [amdgpu]
[ 7197.250682]  amdttm_resource_alloc+0x46/0xb0 [amdttm]
[ 7197.250689]  ttm_bo_alloc_resource+0xe4/0x370 [amdttm]
[ 7197.250696]  amdttm_bo_validate+0x9d/0x180 [amdttm]
[ 7197.250701]  amdgpu_bo_pin+0x15a/0x2f0 [amdgpu]
[ 7197.250831]  amdgpu_dm_plane_helper_prepare_fb+0xb2/0x360 [amdgpu]
[ 7197.251025]  ? try_wait_for_completion+0x59/0x70
[ 7197.251030]  drm_atomic_helper_prepare_planes.part.0+0x2f/0x1e0
[ 7197.251035]  drm_atomic_helper_prepare_planes+0x5d/0x70
[ 7197.251037]  drm_atomic_helper_commit+0x84/0x160
[ 7197.251040]  drm_atomic_nonblocking_commit+0x59/0x70
[ 7197.251043]  drm_mode_atomic_ioctl+0x720/0x850
[ 7197.251047]  ? __pfx_drm_mode_atomic_ioctl+0x10/0x10
[ 7197.251049]  drm_ioctl_kernel+0xb9/0x120
[ 7197.251053]  ? srso_alias_return_thunk+0x5/0xfbef5
[ 7197.251056]  drm_ioctl+0x2d4/0x550
[ 7197.251058]  ? __pfx_drm_mode_atomic_ioctl+0x10/0x10
[ 7197.251063]  amdgpu_drm_ioctl+0x4e/0x90 [amdgpu]
[ 7197.251186]  __x64_sys_ioctl+0xa0/0xf0
[ 7197.251190]  x64_sys_call+0x143b/0x25c0
[ 7197.251193]  do_syscall_64+0x7f/0x180
[ 7197.251197]  ? srso_alias_return_thunk+0x5/0xfbef5
[ 7197.251199]  ? amdgpu_display_user_framebuffer_create+0x215/0x320 [amdgpu]
[ 7197.251329]  ? drm_internal_framebuffer_create+0xb7/0x1a0
[ 7197.251332]  ? srso_alias_return_thunk+0x5/0xfbef5

Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Fixes: 4a5ad08f53 ("drm/amdgpu: Add address alignment support to DCC buffers")
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3318ba94e5)
Cc: stable@vger.kernel.org
2025-01-06 15:20:13 -05:00
..
accel
Merge tag 'drm-misc-fixes-2024-12-19' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
2024-12-20 07:13:45 +10:00
accessibility
…
acpi
ACPI: EC: Enable EC support on LoongArch by default
2024-12-18 20:23:59 +01:00
amba
ARM: 9415/1: amba: Add dev_is_amba() function and export it for modules
2024-11-12 16:41:45 +00:00
android
Merge tag 'char-misc-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-11-29 11:58:27 -08:00
ata
ata: sata_highbank: fix OF node reference leak in highbank_initialize_phys()
2024-12-09 09:06:58 +09:00
atm
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
auxdisplay
Merge tag 'drm-misc-fixes-2024-12-19' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
2024-12-20 07:13:45 +10:00
base
Merge tag 'x86_urgent_for_v6.13_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2024-12-08 11:38:56 -08:00
bcma
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
block
Merge tag 'block-6.13-20241228' of git://git.kernel.dk/linux
2024-12-28 11:02:35 -08:00
bluetooth
Bluetooth: btmtk: avoid UAF in btmtk_process_coredump
2024-12-12 09:25:28 -05:00
bus
Merge tag 'char-misc-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2024-11-29 11:58:27 -08:00
cache
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cdrom
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
cdx
module: Convert default symbol namespace to string literal
2024-12-03 08:22:25 -08:00
char
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
clk
Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2024-12-10 18:21:40 -08:00
clocksource
x86/hyperv: Fix hv tsc page based sched_clock for hibernation
2024-12-09 18:42:42 +00:00
comedi
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connector
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counter
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
cpufreq
cpufreq/amd-pstate: Use boost numerator for upper bound of frequencies
2024-12-10 10:17:43 -06:00
cpuidle
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
crypto
crypto: hisilicon/debugfs - fix the struct pointer incorrectly offset problem
2024-12-10 13:40:25 +08:00
cxl
cxl/region: Fix region creation for greater than x2 switches
2024-12-10 14:50:34 -07:00
dax
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
dca
…
devfreq
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
dio
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dma
Merge tag 'dmaengine-fix-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
2024-12-26 10:43:25 -08:00
dma-buf
Merge tag 'drm-misc-fixes-2024-12-19' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
2024-12-20 07:13:45 +10:00
dpll
…
edac
EDAC/amd64: Simplify ECC check on unified memory controllers
2024-12-11 21:47:33 +01:00
eisa
…
extcon
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
firewire
Merge tag 'firewire-updates-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
2024-11-25 17:12:54 -08:00
firmware
Merge tag 'soc-fixes-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2024-12-21 15:45:06 -08:00
fpga
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
fsi
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
gnss
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gpio
gpio: idio-16: Actually make use of the GPIO_IDIO_16 symbol namespace
2024-12-10 11:38:57 +01:00
gpu
drm/amdgpu: Add a lock when accessing the buddy trim function
2025-01-06 15:20:13 -05:00
greybus
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hid
Merge tag 'hid-for-linus-2024120501' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2024-12-05 10:06:47 -08:00
hsi
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
hte
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
hv
Drivers: hv: util: Avoid accessing a ringbuffer not initialized yet
2024-12-09 18:44:15 +00:00
hwmon
hwmon: (tmp513) Fix interpretation of values of Temperature Result and Limit Registers
2024-12-16 15:58:25 -08:00
hwspinlock
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
hwtracing
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
i2c
i2c: microchip-core: fix "ghost" detections
2024-12-26 01:54:47 +01:00
i3c
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
idle
intel_idle: add Granite Rapids Xeon D support
2024-11-11 15:48:50 +01:00
iio
Merge tag 'mm-hotfixes-stable-2024-12-07-22-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-12-08 11:26:13 -08:00
infiniband
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
input
Merge tag 'input-for-v6.13-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2024-11-25 10:31:39 -08:00
interconnect
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iommu
iommu/vt-d: Avoid draining PRQ in sva mm release path
2024-12-13 15:54:27 +01:00
ipack
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irqchip
irqchip/gic-v3: Work around insecure GIC integrations
2024-12-13 18:15:29 +01:00
isdn
mISDN: Fix typos
2024-11-09 09:14:12 -08:00
leds
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
macintosh
Merge tag 'drm-misc-fixes-2024-12-19' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
2024-12-20 07:13:45 +10:00
mailbox
Merge tag 'tty-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2024-11-30 09:03:16 -08:00
mcb
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
md
dm: Fix dm-zoned-reclaim zone write pointer alignment
2024-12-10 09:15:33 -07:00
media
Merge tag 'media/v6.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2024-12-21 10:56:34 -08:00
memory
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
memstick
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
message
scsi: message: fusion: Constify struct pci_device_id
2024-11-20 21:38:24 -05:00
mfd
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
misc
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
mmc
mmc: mtk-sd: disable wakeup in .remove() and in the error path of .probe()
2024-12-10 16:02:34 +01:00
most
…
mtd
mtd: rawnand: omap2: Fix build warnings with W=1
2024-12-05 11:15:00 +01:00
mux
…
net
Merge tag 'net-6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-12-19 09:19:11 -08:00
nfc
…
ntb
…
nubus
…
nvdimm
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
nvme
nvme: use blk_validate_block_size() for max LBA check
2024-12-18 07:22:30 -07:00
nvmem
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
of
Merge tag 'devicetree-fixes-for-6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
2024-12-22 08:40:23 -08:00
opp
Merge tag 'pm-6.13-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2024-11-27 14:40:33 -08:00
parisc
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
parport
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
pci
Merge tag 'irq-urgent-2024-12-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2024-12-29 10:03:01 -08:00
pcmcia
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
peci
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
perf
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
phy
phy: mediatek: phy-mtk-hdmi: add regulator dependency
2024-12-24 20:38:53 +05:30
pinctrl
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
platform
Merge tag 'chrome-platform-for-6.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
2024-12-26 10:35:13 -08:00
pmdomain
Merge tag 'pmdomain-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
2024-12-06 11:24:00 -08:00
pnp
…
power
power: supply: bq24190: Fix BQ24296 Vbus regulator support
2024-12-19 00:35:30 +01:00
powercap
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
pps
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
ps3
ps3: Correct some typos in comments
2024-11-15 00:32:29 +11:00
ptp
ptp: kvm: x86: Return EOPNOTSUPP instead of ENODEV from kvm_arch_ptp_init()
2024-12-06 17:38:11 -08:00
pwm
Merge tag 'pwm/for-6.13-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
2024-12-19 08:50:05 -08:00
rapidio
…
ras
…
regulator
regulator: rename regulator-uv-survival-time-ms according to DT binding
2024-12-19 11:15:24 +00:00
remoteproc
remoteproc: qcom: wcss: Remove double assignment in q6v5_wcss_probe()
2024-11-15 20:36:27 -08:00
reset
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
rpmsg
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
rtc
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
s390
Merge tag 'driver-core-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2024-11-29 11:43:29 -08:00
sbus
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
scsi
scsi: scsi_debug: Fix hrtimer support for ndelay
2024-12-04 13:22:59 -05:00
sh
Merge tag 'sh-for-v6.13-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
2024-11-30 14:45:29 -08:00
siox
…
slimbus
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
soc
Merge tag 'net-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2024-11-21 08:28:08 -08:00
soundwire
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
spi
spi: rockchip-sfc: Fix error in remove progress
2024-12-18 16:02:08 +00:00
spmi
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
ssb
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staging
staging: gpib: Fix allyesconfig build failures
2024-12-21 11:30:13 -08:00
target
Merge branch '6.13/scsi-queue' into 6.13/scsi-fixes
2024-12-02 12:36:18 -05:00
tc
TC: Fix the wrong format specifier
2024-11-12 15:48:08 +01:00
tee
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
thermal
thermal/thresholds: Fix boundaries and detection routine
2024-12-18 14:51:31 +01:00
thunderbolt
thunderbolt: Improve redrive mode handling
2024-12-16 09:59:38 +02:00
tty
Merge tag 'tty-6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2024-12-14 09:31:19 -08:00
ufs
scsi: ufs: core: Update compl_time_stamp_local_clock after completing a cqe
2024-12-09 21:49:08 -05:00
uio
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
usb
usb: xhci: fix ring expansion regression in 6.13-rc1
2024-12-17 11:59:09 +01:00
vdpa
vdpa/mlx5: Fix suboptimal range on iotlb iteration
2024-11-12 18:05:05 -05:00
vfio
Merge tag 'vfio-v6.13-rc3' of https://github.com/awilliam/linux-vfio
2024-12-11 13:48:25 -08:00
vhost
mm: page_frag: avoid caller accessing 'page_frag_cache' directly
2024-11-11 10:56:27 -08:00
video
Merge tag 'drm-misc-fixes-2024-12-19' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
2024-12-20 07:13:45 +10:00
virt
virt: tdx-guest: Just leak decrypted memory on unrecoverable errors
2024-12-29 10:18:44 +01:00
virtio
virtio_ring: add a func argument 'recycle_done' to virtqueue_reset()
2024-12-10 11:22:21 +01:00
w1
Get rid of 'remove_new' relic from platform driver struct
2024-12-01 15:12:43 -08:00
watchdog
Merge tag 'linux-watchdog-6.13-rc1' of git://www.linux-watchdog.org/linux-watchdog
2024-12-05 10:03:43 -08:00
xen
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
zorro
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Kconfig
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Makefile
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