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Wyatt Wood 64df665ffe drm/amd/display: Prevent using DMUB rptr that is out-of-bounds 
[Why]
Running into bugchecks during stress test where rptr is 0xFFFFFFFF.
Typically this is caused by a hard hang, and can come from HW outside
of DCN.

[How]
To prevent bugchecks when writing the DMUB rptr, fist check that the
rptr is valid.

Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Wyatt Wood <wyatt.wood@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2021-10-04 15:23:02 -04:00
..
accessibility
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acpi
Merge tag 'acpi-5.15-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2021-09-10 13:29:04 -07:00
amba
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android
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ata
libata: Add ATA_HORKAGE_NO_NCQ_ON_ATI for Samsung 860 and 870 SSD.
2021-09-03 08:06:02 -06:00
atm
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auxdisplay
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base
Merge tag 'for-linus-5.15b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2021-09-17 08:31:49 -07:00
bcma
Merge tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2021-09-01 08:44:42 -07:00
block
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2021-09-11 14:48:42 -07:00
bluetooth
Bluetooth: btusb: Remove WAKEUP_DISABLE and add WAKEUP_AUTOSUSPEND for Realtek devices
2021-08-19 17:08:31 +02:00
bus
Merge tag 'drivers-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2021-09-01 15:25:28 -07:00
cdrom
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char
Merge tag 'for-linus-5.15-1' of git://github.com/cminyard/linux-ipmi
2021-09-12 11:44:58 -07:00
clk
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2021-09-11 10:05:56 -07:00
clocksource
Merge tag 'mips_5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
2021-09-03 11:11:54 -07:00
comedi
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connector
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counter
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cpufreq
Merge tag 'pm-5.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2021-09-17 12:05:04 -07:00
cpuidle
Merge tag 'mfd-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2021-09-07 12:38:59 -07:00
crypto
Merge tag 'pci-v5.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2021-09-07 19:13:42 -07:00
cxl
Merge tag 'cxl-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
2021-09-09 11:48:27 -07:00
dax
Merge tag 'libnvdimm-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2021-09-09 11:39:57 -07:00
dca
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devfreq
devfreq: use HZ macros
2021-09-08 11:50:26 -07:00
dio
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dma
Merge tag 'dmaengine-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
2021-09-09 11:07:47 -07:00
dma-buf
dma-buf: system_heap: Avoid warning on mid-order allocations
2021-09-14 20:25:46 +05:30
edac
Merge tag 'irq-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-08-30 14:38:37 -07:00
eisa
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extcon
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firewire
Merge tag 'firewire-update' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
2021-09-11 09:47:33 -07:00
firmware
Merge tag 'thermal-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
2021-09-11 09:20:57 -07:00
fpga
Merge tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2021-09-01 08:44:42 -07:00
fsi
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gnss
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gpio
Merge tag 'gpio-updates-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
2021-09-07 12:27:27 -07:00
gpu
drm/amd/display: Prevent using DMUB rptr that is out-of-bounds
2021-10-04 15:23:02 -04:00
greybus
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hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2021-09-02 14:30:46 -07:00
hsi
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hv
Merge tag 'hyperv-fixes-signed-20210915' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2021-09-15 17:18:56 -07:00
hwmon
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
hwspinlock
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hwtracing
Merge tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2021-09-01 08:44:42 -07:00
i2c
Merge tag 'platform-drivers-x86-v5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
2021-09-02 13:49:39 -07:00
i3c
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idle
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iio
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
infiniband
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2021-09-09 11:14:14 -07:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2021-09-11 09:08:28 -07:00
interconnect
Merge tag 'icc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next
2021-08-24 15:33:04 +02:00
iommu
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2021-09-11 14:48:42 -07:00
ipack
Merge tag 'tty-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2021-09-01 09:51:16 -07:00
irqchip
Merge branch irq/qcom-pdc-nowake-cleanup into irq/irqchip-next
2021-08-23 09:50:46 +01:00
isdn
Merge tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-09-03 15:33:47 -07:00
leds
leds: pca955x: Switch to i2c probe_new
2021-08-20 11:00:08 +02:00
macintosh
memblock: introduce saner 'memblock_free_ptr()' interface
2021-09-14 13:23:22 -07:00
mailbox
mailbox: cmdq: add multi-gce clocks support for mt8195
2021-08-31 22:57:45 -05:00
mcb
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md
Merge tag 'libnvdimm-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2021-09-09 11:39:57 -07:00
media
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
memory
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memstick
Merge tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2021-09-01 08:44:42 -07:00
message
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mfd
Merge tag 'mfd-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2021-09-07 12:38:59 -07:00
misc
Merge tag 'char-misc-5.15-rc1-lkdtm' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2021-09-12 11:56:00 -07:00
mmc
Merge branch 'akpm' (patches from Andrew)
2021-09-03 10:08:28 -07:00
most
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mtd
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
mux
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net
dmascc: use proper 'virt_to_bus()' rather than casting to 'int'
2021-09-19 10:49:42 -07:00
nfc
nfc: st95hf: remove unused header includes
2021-08-26 09:13:36 +01:00
ntb
Merge tag 'ntb-5.15' of git://github.com/jonmason/ntb
2021-09-07 13:05:02 -07:00
nubus
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nvdimm
Merge tag 'cxl-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
2021-09-09 11:48:27 -07:00
nvme
Merge tag 'nvme-5.15-2021-09-15' of git://git.infradead.org/nvme into block-5.15
2021-09-15 07:53:32 -06:00
nvmem
nvmem: nintendo-otp: Add new driver for the Wii and Wii U OTP
2021-08-13 10:27:20 +02:00
of
of: restricted dma: Fix condition for rmem init
2021-09-17 15:58:09 -05:00
opp
Merge branches 'pm-pci', 'pm-sleep', 'pm-domains' and 'powercap'
2021-08-30 19:25:42 +02:00
parisc
parisc: Move pci_dev_is_behind_card_dino to where it is used
2021-09-09 12:44:31 +02:00
parport
Merge tag 'for-5.15/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
2021-09-02 13:16:00 -07:00
pci
PCI: Add AMD GPU multi-function power dependencies
2021-09-15 16:31:41 -05:00
pcmcia
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perf
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phy
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
pinctrl
Merge tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-09-03 15:33:47 -07:00
platform
Merge tag 'tag-chrome-platform-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
2021-09-08 16:43:46 -07:00
pnp
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power
Merge tag 'for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
2021-08-30 11:47:32 -07:00
powercap
powercap: Add Power Limit4 support for Alder Lake SoC
2021-08-25 20:12:16 +02:00
pps
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ps3
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ptp
ptp: ocp: Simplify Kconfig.
2021-08-26 12:06:42 +01:00
pwm
pwm: mtk-disp: Implement atomic API .get_state()
2021-09-02 22:27:46 +02:00
rapidio
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ras
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regulator
Merge remote-tracking branch 'regulator/for-5.14' into regulator-linus
2021-08-25 16:05:24 +01:00
remoteproc
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reset
Merge tag 'drivers-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2021-09-01 15:25:28 -07:00
rpmsg
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rtc
rtc: cmos: Disable irq around direct invocation of cmos_interrupt()
2021-09-14 10:20:19 +02:00
s390
s390/ap: fix kernel doc comments
2021-09-15 14:29:21 +02:00
sbus
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scsi
Merge tag 'pci-v5.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2021-09-07 19:13:42 -07:00
sh
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siox
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slimbus
Merge tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2021-09-01 08:44:42 -07:00
soc
Merge tag 'drivers-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2021-09-01 15:25:28 -07:00
soundwire
Merge tag 'sound-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2021-09-01 10:29:29 -07:00
spi
spi: Fix tegra20 build with CONFIG_PM=n
2021-09-18 10:05:06 -07:00
spmi
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ssb
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staging
Merge tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-09-03 15:33:47 -07:00
target
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2021-09-02 15:09:46 -07:00
tc
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tee
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thermal
Merge tag 'thermal-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
2021-09-11 09:20:57 -07:00
thunderbolt
thunderbolt: test: split up test cases in tb_test_credit_alloc_all
2021-09-06 12:27:03 -07:00
tty
Merge tag 'for-5.15/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
2021-09-02 13:16:00 -07:00
uio
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usb
Merge drm/drm-next into drm-misc-next
2021-09-14 09:25:30 +02:00
vdpa
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2021-09-11 14:48:42 -07:00
vfio
Merge tag 'vfio-v5.15-rc1' of git://github.com/awilliam/linux-vfio
2021-09-02 13:41:33 -07:00
vhost
Merge tag 'net-5.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-09-16 13:05:42 -07:00
video
tgafb: clarify dependencies
2021-09-18 11:15:01 -07:00
virt
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virtio
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2021-09-11 14:48:42 -07:00
visorbus
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vlynq
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vme
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w1
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watchdog
watchdog: ixp4xx: Rewrite driver to use core
2021-08-22 10:28:12 +02:00
xen
Merge tag 'for-linus-5.15b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2021-09-17 08:31:49 -07:00
zorro
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Kconfig
remove the lightnvm subsystem
2021-08-14 15:54:09 -06:00
Makefile
remove the lightnvm subsystem
2021-08-14 15:54:09 -06:00