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b62f95d162
[Why] DC provides a few visual confirmation debug options that can be dynamically changed at runtime to help debug surface programming issues but we don't have any way to access it from userspace. [How] Add the amdgpu_dm_visual_confirm debugfs entry. It accepts a string containing the DC visual confirm enum value using the debugfs attribute helpers. The debugfs_create_file_unsafe can be used instead of debugfs_create_file as per the documentation. v2: Use debugfs helpers for getting and setting the value (Christian) Cc: Leo Li <sunpeng.li@amd.com> Cc: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reviewed-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.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.