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To have better compatibility for DP sink, there is a retry mechanism for the link training process to switch between different training process. The original driver code doesn't reset the retry counter when training state is pass. If the system triggers link training over 3 times, there will be a chance to causes the driver to use the wrong training method and return a training fail result. To Fix this, we reset the retry counter when training state is pass each time. Signed-off-by: Allen Chen <allen.chen@ite.corp-partner.google.com> Signed-off-by: xiazhengqiao <xiazhengqiao@huaqin.corp-partner.google.com> Reviewed-by: Robert Foss <rfoss@kernel.org> Signed-off-by: Robert Foss <rfoss@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231221093057.7073-1-xiazhengqiao@huaqin.corp-partner.google.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.