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If attempting to perform a GT reset takes long than 5 seconds (including resetting the display for gen3/4), then we declare all hope lost and discard all user work and wedge the device to prevent further misbehaviour. 5 seconds is too short a time for such drastic action, as we may be stuck on other timeouts and watchdogs. If we allow a little bit longer before hitting the big red button, we should at the very least capture other hung task indicators pointing towards the reason why the reset was hanging; and allow more marginal cases the extra headroom to complete the reset without further collateral damage. Bug: https://gitlab.freedesktop.org/drm/intel/-/issues/6448 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220916204823.1897089-1-ashutosh.dixit@intel.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.