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3592f930f7
linux/drivers
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Mario Kleiner 3592f930f7 drm/amd/display: Fix 10/12 bpc setup in DCE output bit depth reduction. 
[ Upstream commit 1916866dfa ]

In set_clamp(), the comments and definitions for the COLOR_DEPTH_101010
and COLOR_DEPTH_121212 cases directly contradict the code comment which
explains how this should work, whereas the COLOR_DEPTH_888 case
is consistent with the code comments. Comment says the bitmask should
be chosen to align to the top-most 10 or 12 MSB's on a 14 bit bus, but
the implementation contradicts that: 10 bit case sets a mask for 12 bpc
clamping, whereas 12 bit case sets a mask for 14 bpc clamping.

Note that during my limited testing on DCE-8.3 (HDMI deep color)
and DCE-11.2 (DP deep color), this didn't have any obvious ill
effects, neither did fixing it change anything obvious for the
better, so this fix may be inconsequential on DCE, and just
reduce the confusion of innocent bystanders when reading the code
and trying to investigate problems with 10 bpc+ output.

Fixes: 4562236b3b ("drm/amd/dc: Add dc display driver (v2)")

Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-04 11:37:42 +01:00
..
accessibility speakup: fix uninitialized flush_lock 2020-12-30 11:53:44 +01:00
acpi ACPI/IORT: Do not blindly trust DMA masks from firmware 2021-02-03 23:28:50 +01:00
amba
android binder: add flag to clear buffer on txn complete 2020-12-30 11:54:09 +01:00
ata libata-5.10-2020-10-30 2020-10-30 14:51:01 -07:00
atm atm: idt77252: call pci_disable_device() on error path 2021-01-12 20:18:09 +01:00
auxdisplay
base driver core: Extend device_is_dependent() 2021-01-27 11:55:18 +01:00
bcma
block xen-blkback: fix error handling in xen_blkbk_map() 2021-02-23 15:53:24 +01:00
bluetooth tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer 2021-03-04 11:37:36 +01:00
bus bus: fsl-mc: fix error return code in fsl_mc_object_allocate() 2020-12-30 11:53:46 +01:00
cdrom
char hwrng: ingenic - Fix a resource leak in an error handling path 2021-03-04 11:37:37 +01:00
clk clk: sunxi-ng: mp: fix parent rate change flag check 2021-02-17 11:02:28 +01:00
clocksource clocksource/drivers/arm_arch_timer: Correct fault programming of CNTKCTL_EL1.EVNTI 2020-12-30 11:53:37 +01:00
connector
counter counter:ti-eqep: remove floor 2021-01-27 11:55:12 +01:00
cpufreq cpufreq: brcmstb-avs-cpufreq: Fix resource leaks in ->remove() 2021-03-04 11:37:24 +01:00
cpuidle cpuidle: tegra: Annotate tegra_pm_set_cpu_in_lp2() with RCU_NONIDLE 2020-11-16 13:24:32 +01:00
crypto crypto: bcm - Rename struct device_private to bcm_device_private 2021-03-04 11:37:40 +01:00
dax device-dax: Fix range release 2021-01-06 14:56:56 +01:00
dca
devfreq
dio
dma dmaengine: idxd: check device state before issue command 2021-02-17 11:02:25 +01:00
dma-buf dmabuf: fix use-after-free of dmabuf's file->f_inode 2021-01-12 20:18:24 +01:00
edac EDAC/amd64: Fix PCI component registration 2020-12-30 11:54:11 +01:00
eisa
extcon extcon: max77693: Fix modalias string 2020-12-30 11:53:49 +01:00
firewire
firmware firmware: arm_scmi: Fix call site of scmi_notification_exit 2021-03-04 11:37:23 +01:00
fpga fpga: Specify HAS_IOMEM dependency for FPGA_DFL 2020-12-01 18:46:24 +01:00
fsi fsi: Aspeed: Add mutex to protect HW access 2020-12-30 11:53:46 +01:00
gnss
gpio gpio: ep93xx: Fix single irqchip with multi gpiochips 2021-02-17 11:02:20 +01:00
gpu drm/amd/display: Fix 10/12 bpc setup in DCE output bit depth reduction. 2021-03-04 11:37:42 +01:00
greybus
hid HID: make arrays usage and value to be the same 2021-02-26 10:12:59 +01:00
hsi HSI: omap_ssi: Don't jump to free ID in ssi_add_controller() 2020-12-30 11:53:24 +01:00
hv x86/hyperv: Fix kexec panic/hang issues 2021-01-27 11:54:57 +01:00
hwmon hwmon: (dell-smm) Add XPS 15 L502X to fan control blacklist 2021-02-26 10:13:00 +01:00
hwspinlock
hwtracing stm class: Fix module init return on allocation failure 2021-01-27 11:55:15 +01:00
i2c i2c: stm32f7: fix configuration of the digital filter 2021-02-17 11:02:28 +01:00
i3c i3c master: fix missing destroy_workqueue() on error in i3c_master_register 2021-01-06 14:56:53 +01:00
ide scsi: ide: Mark power management requests with RQF_PM instead of RQF_PREEMPT 2021-01-12 20:18:15 +01:00
idle intel_idle: Build fix 2020-12-03 10:00:23 +01:00
iio iio: adc: ti_am335x_adc: remove omitted iio_kfifo_free() 2021-01-27 11:55:12 +01:00
infiniband IB/isert: add module param to set sg_tablesize for IO cmd 2021-02-23 15:53:23 +01:00
input tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer 2021-03-04 11:37:36 +01:00
interconnect interconnect: imx8mq: Use icc_sync_state 2021-01-27 11:55:29 +01:00
iommu iommu/vt-d: Do not use flush-queue when caching-mode is on 2021-02-07 15:37:13 +01:00
ipack
irqchip irqchip/mips-cpu: Set IPI domain parent chip 2021-01-27 11:55:13 +01:00
isdn misdn: dsp: select CONFIG_BITREVERSE 2021-01-19 18:27:26 +01:00
leds leds: trigger: fix potential deadlock with libata 2021-02-03 23:28:41 +01:00
lightnvm lightnvm: fix memory leak when submit fails 2021-01-27 11:55:22 +01:00
macintosh macintosh/adb-iop: Use big-endian autopoll mask 2021-03-04 11:37:42 +01:00
mailbox mailbox: arm_mhu_db: Fix mhu_db_shutdown by replacing kfree with devm_kfree 2020-12-30 11:53:28 +01:00
mcb
md md: Set prev_flush_start and flush_bio in an atomic way 2021-02-10 09:29:22 +01:00
media media: ti-vpe: cal: fix write to unallocated memory 2021-03-04 11:37:41 +01:00
memory memory: ti-aemif: Drop child node when jumping out loop 2021-03-04 11:37:25 +01:00
memstick memstick: r592: Fix error return in r592_probe() 2020-12-30 11:53:34 +01:00
message scsi: mptfusion: Fix null pointer dereferences in mptscsih_remove() 2020-10-26 16:57:18 -04:00
mfd mfd: cpcap: Fix interrupt regression with regmap clear_ack 2020-12-30 11:53:16 +01:00
misc lkdtm: don't move ctors to .rodata 2021-02-17 11:02:24 +01:00
mmc mmc: core: Limit retries when analyse of SDIO tuples fails 2021-02-10 09:29:18 +01:00
most
mtd mtd: rawnand: nandsim: Fix the logic when selecting Hamming soft ECC engine 2021-01-27 11:54:50 +01:00
mux
net tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer 2021-03-04 11:37:36 +01:00
nfc nfc: s3fwrn5: Release the nfc firmware 2020-12-30 11:53:53 +01:00
ntb Bug fixes for v5.10 2020-10-25 11:12:31 -07:00
nubus
nvdimm libnvdimm/dimm: Avoid race between probe and available_slots_show() 2021-02-10 09:29:17 +01:00
nvme nvme-rdma: Use ibdev_to_node instead of dereferencing ->dma_device 2021-02-26 10:12:59 +01:00
nvmem
of of/device: Update dma_range_map only when dev has valid dma-ranges 2021-02-03 23:28:50 +01:00
opp opp: Correct debug message in _opp_add_static_v2() 2021-03-04 11:37:27 +01:00
oprofile
parisc
parport
pci PCI: Decline to resize resources if boot config must be preserved 2021-03-04 11:37:18 +01:00
pcmcia
perf
phy phy: cpcap-usb: Fix warning for missing regulator_disable 2021-02-07 15:37:13 +01:00
pinctrl pinctrl: qcom: Don't clear pending interrupts when enabling 2021-01-27 11:55:27 +01:00
platform platform/x86: hp-wmi: Disable tablet-mode reporting by default 2021-02-17 11:02:22 +01:00
pnp PNP: fix kernel-doc markups 2020-10-27 19:23:04 +01:00
power power: supply: bq24190_charger: fix reference leak 2020-12-30 11:53:25 +01:00
powercap Merge branch 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2020-11-10 10:02:31 -08:00
pps
ps3 powerpc/ps3: use dma_mapping_error() 2020-12-30 11:53:53 +01:00
ptp phy: dp83640: select CONFIG_CRC32 2021-01-17 14:17:02 +01:00
pwm pwm: sun4i: Remove erroneous else branch 2020-12-30 11:53:59 +01:00
rapidio rapidio: fix the missed put_device() for rio_mport_add_riodev 2020-10-16 11:11:22 -07:00
ras
regulator regulator: Fix lockdep warning resolving supplies 2021-02-13 13:55:14 +01:00
remoteproc remoteproc: sysmon: Ensure remote notification ordering 2020-12-30 11:54:28 +01:00
reset ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
rpmsg rpmsg updates for 5.10 2020-10-22 12:58:21 -07:00
rtc rtc: pcf2127: only use watchdog when explicitly available 2021-01-09 13:46:22 +01:00
s390 s390/vfio-ap: No need to disable IRQ after queue reset 2021-02-03 23:28:39 +01:00
sbus
scsi scsi: qla2xxx: Fix mailbox Ch erroneous error 2021-03-04 11:37:18 +01:00
sfi
sh
siox
slimbus slimbus: qcom: fix potential NULL dereference in qcom_slim_prg_slew() 2020-12-30 11:53:47 +01:00
soc soc: aspeed: snoop: Add clock control logic 2021-03-04 11:37:29 +01:00
soundwire soundwire: master: use pm_runtime_set_active() on add 2020-12-30 11:53:28 +01:00
spi spi: altera: Fix memory leak on error path 2021-02-03 23:28:46 +01:00
spmi
ssb
staging media: imx7: csi: Fix pad link validation 2021-03-04 11:37:41 +01:00
target cxgb4/chtls/cxgbit: Keeping the max ofld immediate data size same in cxgb4 and ulds 2021-03-04 11:37:34 +01:00
tc
tee optee: simplify i2c access 2021-03-04 11:37:28 +01:00
thermal thermal/drivers/cpufreq_cooling: Update cpufreq_state only if state has changed 2020-12-30 11:54:29 +01:00
thunderbolt thunderbolt: Fix possible NULL pointer dereference in tb_acpi_add_link() 2021-02-10 09:29:15 +01:00
tty tty: implement read_iter 2021-03-04 11:37:36 +01:00
uio uio: Fix use-after-free in uio_unregister_device() 2020-11-09 18:54:30 +01:00
usb usb: dwc2: Make "trimming xfer length" a debug message 2021-03-04 11:37:26 +01:00
vdpa vdpa/mlx5: fix param validation in mlx5_vdpa_get_config() 2021-03-04 11:37:17 +01:00
vfio vfio/pci/nvlink2: Do not attempt NPU2 setup on POWER8NVL NPU 2020-12-30 11:54:03 +01:00
vhost vhost_net: fix ubuf refcount incorrectly when sendmsg fails 2021-01-12 20:18:13 +01:00
video fbdev: aty: SPARC64 requires FB_ATY_CT 2021-03-04 11:37:36 +01:00
virt virt: vbox: Do not use wait_event_interruptible when called from kernel context 2021-03-04 11:37:18 +01:00
virtio virtio_ring: Fix two use after free bugs 2020-12-30 11:54:00 +01:00
visorbus
vlynq
vme
w1 w1: w1_therm: Fix conversion result for negative temperatures 2021-03-04 11:37:18 +01:00
watchdog watchdog: rti-wdt: fix reference leak in rti_wdt_probe 2021-01-06 14:56:54 +01:00
xen xen-scsiback: don't "handle" error by BUG() 2021-02-23 15:53:24 +01:00
zorro
Kconfig
Makefile vdpa: mlx5: fix vdpa/vhost dependencies 2020-12-02 04:09:56 -05:00