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Ben Skeggs ad6a2bc758 drm/nouveau/disp: power down unused DP links during init 
[ Upstream commit 6eaa1f3c59a707332e921e32782ffcad49915c5e ]

When booted with multiple displays attached, the EFI GOP driver on (at
least) Ampere, can leave DP links powered up that aren't being used to
display anything.  This confuses our tracking of SOR routing, with the
likely result being a failed modeset and display engine hang.

Fix this by (ab?)using the DisableLT IED script to power-down the link,
restoring HW to a state the driver expects.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-09-03 10:08:15 +02:00
arch
perf/x86/intel/uncore: Fix integer overflow on 23 bit left shift of a u32
2021-09-03 10:08:14 +02:00
block
blk-iolatency: error out if blk_get_queue() failed in iolatency_set_limit()
2021-08-12 13:20:58 +02:00
certs
certs: Move load_system_certificate_list to a common function
2021-06-30 08:47:55 -04:00
crypto
crypto: shash - avoid comparing pointers to exported functions under CFI
2021-07-14 16:53:13 +02:00
Documentation
KVM: X86: MMU: Use the correct inherited permissions to get shadow page
2021-08-15 13:08:04 +02:00
drivers
drm/nouveau/disp: power down unused DP links during init
2021-09-03 10:08:15 +02:00
fs
mm, oom: make the calculation of oom badness more accurate
2021-09-03 10:08:12 +02:00
include
mm, oom: make the calculation of oom badness more accurate
2021-09-03 10:08:12 +02:00
init
kbuild: add CONFIG_LD_IS_LLD
2021-06-30 08:47:44 -04:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:20:16 +02:00
kernel
tracing / histogram: Fix NULL pointer dereference on strcmp() on NULL event name
2021-08-26 08:36:20 -04:00
lib
once: Fix panic when module unload
2021-09-03 10:08:12 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm, oom: make the calculation of oom badness more accurate
2021-09-03 10:08:12 +02:00
net
rtnetlink: Return correct error on changing device netns
2021-09-03 10:08:14 +02:00
samples
samples/bpf: Fix the error return code of xdp_redirect's main()
2021-07-14 16:53:30 +02:00
scripts
scripts/tracing: fix the bug that can't parse raw_trace_func
2021-08-12 13:21:00 +02:00
security
smackfs: restrict bytes count in smk_set_cipso()
2021-07-19 08:53:18 +02:00
sound
ASoC: intel: atom: Fix breakage for PCM buffer address setup
2021-08-26 08:36:21 -04:00
tools
bpf, selftests: Adjust few selftest result_unpriv outcomes
2021-08-12 13:21:04 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: Do not leak memory for duplicate debugfs directories
2021-08-12 13:21:03 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
…
.gitignore
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
.mailmap
ARM: SoC fixes
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Documentation/llvm: add documentation on building w/ Clang/LLVM
2020-08-26 10:40:46 +02:00
Makefile
Linux 5.4.143
2021-08-26 08:55:22 -04:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
Description
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