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Dibin Moolakadan Subrahmanian ce924116e4 drm/i915/display: Fix u32 overflow in SNPS PHY HDMI PLL setup 
When configuring the HDMI PLL, calculations use DIV_ROUND_UP_ULL and
DIV_ROUND_DOWN_ULL macros, which internally rely on do_div. However, do_div
expects a 32-bit (u32) divisor, and at higher data rates, the divisor can
exceed this limit. This leads to incorrect division results and
ultimately misconfigured PLL values.
This fix replaces do_div calls with  div64_base64 calls where diviser
can exceed u32 limit.

Fixes: 5947642004 ("drm/i915/display: Add support for SNPS PHY HDMI PLL algorithm for DG2")
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dibin Moolakadan Subrahmanian <dibin.moolakadan.subrahmanian@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://lore.kernel.org/r/20250528064557.4172149-1-dibin.moolakadan.subrahmanian@intel.com
2025-06-03 18:17:27 +05:30
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accel
accel/amdxdna: Support submit commands without arguments
2025-05-08 09:58:21 -07:00
accessibility
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
acpi
gcc-15: disable '-Wunterminated-string-initialization' entirely for now
2025-04-20 15:30:53 -07:00
amba
iommu: Get DT/ACPI parsing into the proper probe path
2025-03-11 14:05:43 +01:00
android
binder: fix offset calculation in debug log
2025-04-15 15:11:12 +02:00
ata
ata: libata-scsi: Improve CDL control
2025-04-22 16:06:05 +09:00
atm
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
auxdisplay
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
base
Merge tag 'modules-6.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
2025-04-30 08:37:52 -07:00
bcma
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block
Merge tag 'block-6.15-20250502' of git://git.kernel.dk/linux
2025-05-02 10:24:37 -07:00
bluetooth
Bluetooth: btintel_pcie: Add additional to checks to clear TX/RX paths
2025-04-25 15:03:19 -04:00
bus
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
cache
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cdrom
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cdx
Merge branches 'apple/dart', 'arm/smmu/updates', 'arm/smmu/bindings', 'rockchip', 's390', 'core', 'intel/vt-d' and 'amd/amd-vi' into next
2025-03-20 09:11:09 +01:00
char
BackMerge tag 'v6.15-rc5' into drm-next
2025-05-06 16:39:25 +10:00
clk
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux
2025-04-03 12:21:44 -07:00
clocksource
Merge tag 'riscv-for-linus-6.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2025-04-04 09:49:17 -07:00
comedi
comedi: jr3_pci: Fix synchronous deletion of timer
2025-04-15 15:18:55 +02:00
connector
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counter
Merge tag 'char-misc-6.15-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2025-04-02 18:03:34 -07:00
cpufreq
cpufreq: intel_pstate: Unchecked MSR aceess in legacy mode
2025-04-30 16:27:34 +02:00
cpuidle
Merge tag 'pmdomain-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
2025-03-25 20:40:51 -07:00
crypto
crypto: atmel-sha204a - Set hwrng quality to lowest possible
2025-04-23 09:32:57 +08:00
cxl
cxl/core/regs.c: Skip Memory Space Enable check for RCD and RCH Ports
2025-04-21 08:30:13 -07:00
dax
device/dax: properly refcount device dax pages when mapping
2025-03-17 22:06:41 -07:00
dca
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devfreq
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dio
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dma
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
dma-buf
Merge tag 'drm-misc-next-2025-05-12' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
2025-05-15 13:17:02 +10:00
dpll
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2025-03-20 21:38:01 +01:00
edac
EDAC/altera: Set DDR and SDMMC interrupt mask before registration
2025-04-28 12:38:53 +02:00
eisa
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extcon
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firewire
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
firmware
BackMerge tag 'v6.15-rc5' into drm-next
2025-05-06 16:39:25 +10:00
fpga
fpga: tests: add module descriptions
2025-04-11 17:32:38 -07:00
fsi
fsi: core: Use const 'struct bin_attribute' callbacks
2025-02-21 09:20:31 +01:00
fwctl
fwctl: Fix repeated device word in log message
2025-04-11 20:47:45 -03:00
gnss
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gpio
gpiolib: Allow to use setters with return value for output-only gpios
2025-04-14 20:31:00 +02:00
gpu
drm/i915/display: Fix u32 overflow in SNPS PHY HDMI PLL setup
2025-06-03 18:17:27 +05:30
greybus
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
hid
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
hsi
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
hte
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
hv
Drivers: hv: Fix bad ref to hv_synic_eventring_tail when CPU goes offline
2025-04-25 21:13:53 +00:00
hwmon
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
hwspinlock
hwspinlock: Remove unused hwspin_lock_get_id()
2025-03-21 17:12:04 -05:00
hwtracing
intel_th: avoid using deprecated page->mapping, index fields
2025-04-15 13:29:03 +02:00
i2c
i2c: imx-lpi2c: Fix clock count when probe defers
2025-04-29 10:18:51 +02:00
i3c
i3c: Add NULL pointer check in i3c_master_queue_ibi()
2025-03-31 11:44:00 +02:00
idle
Merge tag 'pm-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2025-03-25 15:00:18 -07:00
iio
gcc-15: add '__nonstring' markers to byte arrays
2025-04-20 11:57:54 -07:00
infiniband
RDMA/bnxt_re: Remove unusable nq variable
2025-04-10 14:47:55 -03:00
input
gcc-15: add '__nonstring' markers to byte arrays
2025-04-20 11:57:54 -07:00
interconnect
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iommu
Merge tag 'iommu-fixes-v6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
2025-05-02 08:57:00 -07:00
ipack
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irqchip
irqchip/qcom-mpm: Prevent crash when trying to handle non-wake GPIOs
2025-05-02 21:07:02 +02:00
isdn
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
leds
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
macintosh
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
mailbox
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
mcb
mcb: fix a double free bug in chameleon_parse_gdd()
2025-04-15 18:21:39 +02:00
md
Merge tag 'for-6.15/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2025-04-28 12:18:21 -07:00
media
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
memory
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
memstick
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
message
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2025-03-26 19:57:34 -07:00
mfd
Merge tag 'mfd-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2025-03-29 14:33:13 -07:00
misc
Merge tag 'pci-v6.15-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2025-04-26 13:02:36 -07:00
mmc
mmc: renesas_sdhi: disable clocks if registering regulator failed
2025-04-07 17:58:41 +02:00
most
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
mtd
mtd: rawnand: Add status chack in r852_ready()
2025-04-07 09:02:49 +02:00
mux
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net
net: vertexcom: mse102x: Fix RX error handling
2025-05-01 07:24:05 -07:00
nfc
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
ntb
Merge tag 'ntb-6.15' of https://github.com/jonmason/ntb
2025-04-04 14:23:07 -07:00
nubus
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nvdimm
Merge tag 'libnvdimm-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2025-04-02 20:27:18 -07:00
nvme
Merge tag 'block-6.15-20250502' of git://git.kernel.dk/linux
2025-05-02 10:24:37 -07:00
nvmem
nvmem: qfprom: switch to 4-byte aligned reads
2025-04-11 14:41:22 +02:00
of
Merge tag 'devicetree-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
2025-03-29 11:23:16 -07:00
opp
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parisc
parisc: led: Use scnprintf() to avoid string truncation warning
2025-03-09 22:27:54 +01:00
parport
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
pci
Merge tag 'pci-v6.15-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2025-04-26 13:02:36 -07:00
pcmcia
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
peci
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perf
Merge tag 'pci-v6.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
2025-03-28 19:36:53 -07:00
phy
Merge tag 'phy-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
2025-04-01 12:47:11 -07:00
pinctrl
pinctrl: qcom: Fix PINGROUP definition for sm8750
2025-04-29 10:27:25 +02:00
platform
BackMerge tag 'v6.15-rc5' into drm-next
2025-05-06 16:39:25 +10:00
pmdomain
pmdomain: arm: scmi_pm_domain: Remove redundant state verification
2025-03-17 11:12:01 +01:00
pnp
Merge tag 'staging-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
2025-04-02 18:09:17 -07:00
power
gcc-15: get rid of misc extra NUL character padding
2025-04-20 11:57:54 -07:00
powercap
Merge tag 'pm-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2025-03-25 15:00:18 -07:00
pps
pps: generators: tio: fix platform_set_drvdata()
2025-04-15 18:22:32 +02:00
ps3
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ptp
ptp: ocp: Fix NULL dereference in Adva board SMA sysfs operations
2025-05-01 07:01:31 -07:00
pwm
Merge tag 'pwm/for-6.15-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
2025-04-12 08:11:19 -07:00
rapidio
Merge 6.14-rc6 into driver-core-next
2025-03-10 17:37:25 +01:00
ras
RAS/AMD/FMPM: Get masked address
2025-04-08 19:30:58 +02:00
regulator
Merge tag 'objtool-urgent-2025-04-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-04-02 10:30:10 -07:00
remoteproc
remoteproc: qcom_q6v5_pas: Make single-PD handling more robust
2025-03-22 08:42:39 -05:00
reset
Merge tag 'rproc-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
2025-03-29 17:18:50 -07:00
rpmsg
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rtc
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
s390
s390/virtio_ccw: Don't allocate/assign airqs for non-existing queues
2025-04-09 12:12:41 +02:00
sbus
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scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2025-05-02 11:14:58 -07:00
sh
sh: remove duplicate ioread/iowrite helpers
2025-03-11 10:41:18 +01:00
siox
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slimbus
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soc
Merge tag 'soc-drivers-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2025-04-04 09:06:32 -07:00
soundwire
soundwire: intel_auxdevice: Fix system suspend/resume handling
2025-04-30 16:23:37 +02:00
spi
Merge tag 'spi-fix-v6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2025-05-02 16:33:50 -07:00
spmi
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ssb
…
staging
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
target
scsi: target: iscsi: Fix timeout on deleted connection
2025-04-11 22:13:00 -04:00
tc
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tee
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thermal
thermal: intel: int340x: Fix Panther Lake DLVR support
2025-04-15 18:57:25 +02:00
thunderbolt
Merge tag 'usb-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2025-04-02 18:23:31 -07:00
tty
serial: sifive: lock port in startup()/shutdown() callbacks
2025-04-15 15:02:39 +02:00
ufs
scsi: ufs: core: Remove redundant query_complete trace
2025-04-28 21:23:29 -04:00
uio
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usb
Merge tag 'usb-serial-6.15-rc3' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
2025-04-18 06:49:40 +02:00
vdpa
vduse: add virtio_fs to allowed dev id
2025-02-25 07:10:46 -05:00
vfio
vfio/pci: Virtualize zero INTx PIN if no pdev->irq
2025-04-14 08:31:45 -06:00
vhost
vhost-scsi: Fix vhost_scsi_send_status()
2025-04-18 10:08:11 -04:00
video
Merge drm/drm-next into drm-misc-next
2025-04-07 14:35:48 +02:00
virt
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
virtio
virtgpu: don't reset on shutdown
2025-04-18 10:05:49 -04:00
w1
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watchdog
treewide: Switch/rename to timer_delete[_sync]()
2025-04-05 10:30:12 +02:00
xen
x86/xen: fix balloon target initialization for PVH dom0
2025-04-07 11:24:12 +02:00
zorro
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Kconfig
fwctl: Add basic structure for a class subsystem with a cdev
2025-03-06 15:11:30 -04:00
Makefile
fwctl: Add basic structure for a class subsystem with a cdev
2025-03-06 15:11:30 -04:00