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Khaled Almahallawy 3153eebb7a drm/i915/display: Don't disable DDI/Transcoder when setting phy test pattern
Bspecs has updated recently to remove the restriction to disable
DDI/Transcoder before setting PHY test pattern. This update is to
address PHY compliance test failures observed on a port with LTTPR.
The issue is that when Transc. is disabled, the main link signals fed
to LTTPR will be dropped invalidating link training, which will affect
the quality of the phy test pattern when the transcoder is enabled again.

v2: Update commit message (Clint)
v3: Add missing Signed-off in v2
v4: Update Bspec and commit message for pre-gen12 (Jani)

Bspec: 50482, 7555
Fixes: 8cdf727119 ("drm/i915/dp: Program vswing, pre-emphasis, test-pattern")
Cc: Imre Deak <imre.deak@intel.com>
Cc: Clint Taylor <clinton.a.taylor@intel.com>
CC: Jani Nikula <jani.nikula@intel.com>
Tested-by: Khaled Almahallawy <khaled.almahallawy@intel.com>
Reviewed-by: Clint Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Khaled Almahallawy <khaled.almahallawy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221123220926.170034-1-khaled.almahallawy@intel.com
(cherry picked from commit be4a847652)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2022-12-13 13:22:23 -05:00
Documentation Merge tag 'amd-drm-next-6.2-2022-12-02' of https://gitlab.freedesktop.org/agd5f/linux into drm-next 2022-12-09 12:08:13 +10:00
LICENSES
arch Linux 6.1-rc6 2022-11-24 11:05:43 +10:00
block block-6.1-2022-11-18 2022-11-18 13:59:45 -08:00
certs
crypto
drivers drm/i915/display: Don't disable DDI/Transcoder when setting phy test pattern 2022-12-13 13:22:23 -05:00
fs 4 cifs/smb3 client fixes 2022-11-19 08:58:58 -08:00
include Some deferred-io and damage worker reworks revert and make a fb function 2022-12-09 11:53:52 +10:00
init
io_uring io_uring: disallow self-propelled ring polling 2022-11-18 09:29:31 -07:00
ipc
kernel tracing/probes: Fixes for v6.1 2022-11-20 15:31:20 -08:00
lib
mm Networking fixes for 6.1-rc6, including fixes from bpf 2022-11-17 08:58:36 -08:00
net tcp: configurable source port perturb table size 2022-11-16 13:02:04 +00:00
rust
samples
scripts kbuild: Restore .version auto-increment behaviour for Debian packages 2022-11-17 17:51:45 +09:00
security
sound ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book Pro 360 2022-11-15 18:03:31 +01:00
tools Char/Misc driver fixes for 6.1-rc6 2022-11-18 10:29:25 -08:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap sound fixes for 6.1-rc6 2022-11-18 09:52:10 -08:00
.rustfmt.toml
COPYING
CREDITS MAINTAINERS: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
Kbuild
Kconfig
MAINTAINERS This tag contains the patches that add the new compute acceleration 2022-11-30 12:01:27 +10:00
Makefile Linux 6.1-rc6 2022-11-20 16:02:16 -08:00
README

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.