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When the drm-driver probes, it mainly creates the component device, where all the sub-drivers (vops, hdmi, etc) hook into. This will cause the shutdown handler to get called on shutdown, even though the drm-device might not have been set up, or the component bind might have failed. So use the new component helper to check whether the drm-device is up and only then call the drm-atomic helper to release all the drm magic. This prevents failures when the drm-device is never set, or has been freed up already for example by a probe-defer during the component bind. Reviewed-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com> Tested-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20250220234141.2788785-3-heiko@sntech.de
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.