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Francesco Dolcini ee18698e21 drm/bridge: tc358768: fix TCLK_TRAILCNT computation 
Correct computation of TCLK_TRAILCNT register.

The driver does not implement non-continuous clock mode, so the actual
value doesn't make a practical difference yet. However this change also
ensures that the value does not write to reserved registers bits in case
of under/overflow.

This register must be set to a value that ensures that

TCLK-TRAIL > 60ns
 and
TEOT <= (105 ns + 12 x UI)

with the actual value of TCLK-TRAIL being

(TCLK_TRAILCNT + (1 to 2)) xHSByteClkCycle +
 (2 + (1 to 2)) * HSBYTECLKCycle - (PHY output delay)

with PHY output delay being about

(2 to 3) x MIPIBitClk cycle in the BitClk conversion.

Fixes: ff1ca6397b ("drm/bridge: Add tc358768 driver")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-2-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-3-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-4-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-5-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-2-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-3-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-4-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-5-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-2-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-3-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-4-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-5-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-2-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-3-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-4-francesco@dolcini.it
Link: https://patchwork.freedesktop.org/patch/msgid/20230427142934.55435-5-francesco@dolcini.it
2023-05-05 20:11:39 +02:00
..
accel
accel/habanalabs: add missing error flow in hl_sysfs_init()
2023-04-08 10:44:23 +03:00
accessibility
Merge 6.2-rc5 into char-misc-next
2023-01-22 08:37:23 +01:00
acpi
Merge tag 'thermal-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2023-03-24 13:45:58 -07:00
amba
driver core: make struct bus_type.uevent() take a const *
2023-01-27 13:45:52 +01:00
android
Merge tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2023-02-24 12:47:33 -08:00
ata
ata: pata_parport: fix memory leaks
2023-03-16 16:54:38 +09:00
atm
atm: idt77252: fix kmemleak when rmmod idt77252
2023-03-21 20:19:28 -07:00
auxdisplay
…
base
Merge tag 'irq-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-03-05 11:19:16 -08:00
bcma
driver core: make struct bus_type.uevent() take a const *
2023-01-27 13:45:52 +01:00
block
block/io_uring: pass in issue_flags for uring_cmd task_work handling
2023-03-20 20:01:25 -06:00
bluetooth
Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work
2023-03-23 13:09:38 -07:00
bus
bus: imx-weim: fix branch condition evaluates to a garbage value
2023-03-14 11:43:51 +08:00
cdrom
…
char
tpm: disable hwrng for fTPM on some AMD designs
2023-03-12 23:28:10 +02:00
clk
clk: k210: remove an implicit 64-bit division
2023-03-06 14:41:20 -08:00
clocksource
Merge tag 'timers-core-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-02-21 09:45:13 -08:00
comedi
Merge 6.2-rc5 into char-misc-next
2023-01-22 08:37:23 +01:00
connector
…
counter
counter: fix dependency references for config MICROCHIP_TCB_CAPTURE
2023-01-18 09:59:58 -05:00
cpufreq
Merge tag 'pm-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2023-03-03 10:30:58 -08:00
cpuidle
cpuidle: psci: Iterate backwards over list in psci_pd_remove()
2023-03-07 14:04:13 +01:00
crypto
Merge tag 'v6.3-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2023-03-05 11:32:30 -08:00
cxl
Merge tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
2023-02-25 09:19:23 -08:00
dax
Merge tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
2023-02-25 09:19:23 -08:00
dca
…
devfreq
…
dio
…
dma
Merge tag 'dmaengine-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
2023-02-24 17:18:54 -08:00
dma-buf
dma-buf/dma-resv.c: fix a typo
2023-04-17 08:24:31 +02:00
edac
Merge tag 'edac_updates_for_v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
2023-02-21 08:10:03 -08:00
eisa
driver core: make struct bus_type.uevent() take a const *
2023-01-27 13:45:52 +01:00
extcon
extcon: intel-cht-wc: Add support for Lenovo Yoga Tab 3 Pro YT3-X90F
2023-02-04 13:05:42 +00:00
firewire
Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2023-02-24 12:58:55 -08:00
firmware
Merge tag 'arm-fixes-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2023-03-24 15:38:13 -07:00
fpga
Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2023-02-24 12:58:55 -08:00
fsi
driver core: make struct device_type.devnode() take a const *
2023-01-27 13:45:38 +01:00
gnss
…
gpio
ACPI: x86: Introduce an acpi_quirk_skip_gpio_event_handlers() helper
2023-03-07 14:15:10 +01:00
gpu
drm/bridge: tc358768: fix TCLK_TRAILCNT computation
2023-05-05 20:11:39 +02:00
greybus
driver core: make struct bus_type.uevent() take a const *
2023-01-27 13:45:52 +01:00
hid
Merge tag 'for-linus-2023030901' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2023-03-09 10:17:23 -08:00
hsi
Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2023-02-24 12:58:55 -08:00
hte
…
hv
Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2023-02-24 12:58:55 -08:00
hwmon
hwmon (it87): Fix voltage scaling for chips with 10.9mV ADCs
2023-03-21 19:14:55 -07:00
hwspinlock
…
hwtracing
Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2023-02-24 12:58:55 -08:00
i2c
i2c: xgene-slimpro: Fix out-of-bounds bug in xgene_slimpro_i2c_xfer()
2023-03-16 21:15:43 +01:00
i3c
Merge tag 'i3c/for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
2023-02-28 16:05:01 -08:00
idle
Merge tag 'pm-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2023-02-21 12:13:58 -08:00
iio
Merge tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2023-02-24 12:47:33 -08:00
infiniband
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2023-02-24 15:11:03 -08:00
input
Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2023-02-27 10:04:49 -08:00
interconnect
interconnect: exynos: drop redundant link destroy
2023-03-13 21:13:48 +02:00
iommu
Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2023-02-27 10:04:49 -08:00
ipack
Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2023-02-24 12:58:55 -08:00
irqchip
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2023-02-25 11:30:21 -08:00
isdn
…
leds
Merge tag 'leds-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
2023-02-23 15:09:31 -08:00
macintosh
Merge tag 'powerpc-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2023-02-25 11:00:06 -08:00
mailbox
mailbox: qcom-apcs-ipc: add IPQ5332 APSS clock support
2023-02-23 14:47:13 -06:00
mcb
driver core: make struct bus_type.uevent() take a const *
2023-01-27 13:45:52 +01:00
md
Merge tag 'for-6.3/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2023-03-24 14:20:48 -07:00
media
media: m5mols: fix off-by-one loop termination error
2023-03-18 11:07:15 -07:00
memory
memory: tegra30-emc: fix interconnect registration race
2023-03-13 21:13:49 +02:00
memstick
Merge tag 'mmc-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
2023-02-27 09:47:26 -08:00
message
…
mfd
Merge tag 'net-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-02-27 14:05:08 -08:00
misc
Merge tag 'drm-intel-next-2023-03-23' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2023-03-24 20:22:03 +01:00
mmc
mmc: dw_mmc-starfive: Fix initialization of prev_err
2023-03-09 15:33:51 +01:00
most
most: tell what the MOST acronym means
2023-01-19 17:16:05 +01:00
mtd
Merge tag 'i2c-for-6.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2023-03-11 09:24:05 -08:00
mux
…
net
Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
2023-03-23 16:03:33 -07:00
nfc
nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition
2023-03-15 00:28:23 -07:00
ntb
…
nubus
…
nvdimm
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2023-02-25 11:48:02 -08:00
nvme
nvme: send Identify with CNS 06h only to I/O controllers
2023-03-22 09:17:52 +01:00
nvmem
nvmem: core: return -ENOENT if nvmem cell is not found
2023-03-10 10:55:49 +01:00
of
Merge tag 'iommu-updates-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
2023-02-24 13:40:13 -08:00
opp
OPP: fix error checking in opp_migrate_dentry()
2023-02-16 13:48:53 +01:00
parisc
…
parport
Merge tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2023-02-24 12:47:33 -08:00
pci
PCI: s390: Fix use-after-free of PCI resources with per-function hotplug
2023-03-13 09:15:11 +01:00
pcmcia
Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2023-02-24 12:58:55 -08:00
peci
…
perf
Merge tag 'riscv-for-linus-6.3-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2023-03-03 09:32:51 -08:00
phy
Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2023-02-27 10:04:49 -08:00
pinctrl
Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2023-02-27 10:04:49 -08:00
platform
Merge tag 'tag-chrome-platform-fixes-for-v6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
2023-03-24 09:05:25 -07:00
pnp
…
power
power: supply: da9150: Fix use after free bug in da9150_charger_remove due to race condition
2023-03-12 23:28:04 +01:00
powercap
Merge tag 'pm-6.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2023-03-03 10:30:58 -08:00
pps
tty/serial: Make ->dcd_change()+uart_handle_dcd_change() status bool active
2023-01-19 16:04:35 +01:00
ps3
driver/ps3: Include <video/cmdline.h> for mode parsing
2023-02-20 14:56:51 +01:00
ptp
ptp: vclock: use mutex to fix "sleep on atomic" bug
2023-02-22 21:23:48 -08:00
pwm
pwm: dwc: Use devm_pwmchip_add()
2023-02-20 12:26:35 +01:00
rapidio
driver core: make struct bus_type.uevent() take a const *
2023-01-27 13:45:52 +01:00
ras
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regulator
Merge tag 'regulator-fix-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
2023-03-02 09:21:25 -08:00
remoteproc
Merge tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2023-02-27 10:04:49 -08:00
reset
…
rpmsg
Merge tag 'rpmsg-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
2023-02-26 12:10:28 -08:00
rtc
Merge tag 'rtc-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2023-03-03 09:15:50 -08:00
s390
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2023-03-03 14:41:50 -08:00
sbus
mm: replace vma->vm_flags direct modifications with modifier calls
2023-02-09 16:51:39 -08:00
scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2023-03-24 08:27:13 -07:00
sh
Merge tag 'sh-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
2023-03-01 09:44:22 -08:00
siox
…
slimbus
driver core: make struct bus_type.uevent() take a const *
2023-01-27 13:45:52 +01:00
soc
soc: qcom: rmtfs: handle optional qcom,vmid correctly
2023-03-06 20:13:06 -08:00
soundwire
Merge tag 'soundwire-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
2023-02-24 17:29:52 -08:00
spi
Merge tag 'spi-fix-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2023-03-02 09:25:38 -08:00
spmi
driver core: make struct bus_type.uevent() take a const *
2023-01-27 13:45:52 +01:00
ssb
driver core: make struct bus_type.uevent() take a const *
2023-01-27 13:45:52 +01:00
staging
Merge tag 'drm/tegra/for-6.4-rc1' of https://gitlab.freedesktop.org/drm/tegra into drm-next
2023-04-06 15:02:17 +02:00
target
scsi: target: iscsi: Fix an error message in iscsi_check_key()
2023-03-06 16:50:42 -05:00
tc
…
tee
Merge tag 'amdtee-fix-for-v6.3' of https://git.linaro.org/people/jens.wiklander/linux-tee into soc-fixes
2023-03-17 15:30:31 +01:00
thermal
Merge branch 'thermal-acpi'
2023-03-24 17:11:27 +01:00
thunderbolt
thunderbolt: Rename shadowed variables bit to interrupt_bit and auto_clear_bit
2023-03-20 19:00:58 +02:00
tty
Merge tag 'for-linus-6.3-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2023-03-24 09:44:43 -07:00
ufs
scsi: ufs: mcq: Use active_reqs to check busy in clock scaling
2023-03-09 21:09:28 -05:00
uio
Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-02-23 17:09:35 -08:00
usb
usb: dwc2: fix a race, don't power off/on phy for dual-role mode
2023-03-23 19:13:16 +01:00
vdpa
vdpa_sim: set last_used_idx as last_avail_idx in vdpasim_queue_ready
2023-03-13 02:29:12 -04:00
vfio
vfio/mlx5: Fix the report of dirty_bytes upon pre-copy
2023-03-13 12:50:59 -06:00
vhost
vhost-vdpa: free iommu domain after last use during cleanup
2023-03-13 02:29:11 -04:00
video
arch/parisc: Implement fb_is_primary_device() under arch/parisc
2023-04-20 10:04:58 +02:00
virt
virt/coco/sev-guest: Add throttling awareness
2023-03-13 13:29:27 +01:00
virtio
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2023-02-25 11:48:02 -08:00
vlynq
…
w1
w1: ds2482: Convert to i2c's .probe_new()
2023-03-09 21:58:57 +01:00
watchdog
Merge tag 'linux-watchdog-6.3-rc1' of git://www.linux-watchdog.org/linux-watchdog
2023-03-02 11:12:01 -08:00
xen
Merge tag 'for-linus-6.3-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2023-03-17 10:45:49 -07:00
zorro
driver core: make struct bus_type.uevent() take a const *
2023-01-27 13:45:52 +01:00
Kconfig
…
Makefile
Merge tag 'kbuild-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2023-02-26 11:53:25 -08:00