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Maarten Lankhorst 492be2a070 drm/xe/display: Match i915 driver suspend/resume sequences better
Suspend fbdev sooner, and disable user access before suspending to
prevent some races. I've noticed this when comparing xe suspend to
i915's.

Matches the following commits from i915:
24b412b1bf ("drm/i915: Disable intel HPD poll after DRM poll init/enable")
1ef28d86be ("drm/i915: Suspend the framebuffer console earlier during system suspend")
bd738d859e ("drm/i915: Prevent modesets during driver init/shutdown")

Thanks to Imre for pointing me to those commits.

Driver shutdown is currently missing, but I have some idea how to
implement it next.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240806105044.596842-2-maarten.lankhorst@linux.intel.com
Signed-off-by: Maarten Lankhorst,,, <maarten.lankhorst@linux.intel.com>
History 2024-08-19 15:16:52 +02:00
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README

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.