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7bc0d73f22
According to the DP PHY CTS v1.2b 3.2.3 and 3.3.3 chapters, the
PreEmphasis Level Test Pattern(PLTPAT), which also was called
80-bit custom pattern, should be:
1111100000 1111100000 1111100000 1111100000
1111100000 1111100000 1111100000 1111100000
It is used to verify the HBR2 in "Non Pre-Emphasis Level Verification
Testing" and "Pre-Emphasis Level Verification and Maximum Pk-Pk
Differential Voltage Testing".
Without this patch, the PLTPAT pattern is incorrect.
Fixes: 304dbb104d ("drm/bridge: analogix_dp: Add DP Test Automation")
Change-Id: I4b00acd0a360a8ba3f3eaf32fb30e0a18a451f5c
Signed-off-by: Damon Ding <damon.ding@rock-chips.com>
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.