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Add a debugfs file, so you can test drm_panic without freezing your machine. This is unsafe, and should be enabled only for developer or tester. To display the drm_panic screen on the device 0: echo 1 > /sys/kernel/debug/dri/0/drm_panic_plane_0 v9: * Create a debugfs file for each plane in the device's debugfs directory. This allows to test for each plane of each GPU independently. Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240409163432.352518-5-jfalempe@redhat.com Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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 reStructuredText 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.