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e27c41d5b0
[WHY] To add support for HPD interrupt handling from DMUB. HPD interrupt could be triggered from outbox1 from DMUB [HOW] 1) Use queue_work to handle hpd task from outbox1 2) Add handle_hpd_irq_helper to share interrupt handling code between legacy and DMUB HPD from outbox1 3) Added DMUB HPD handling in dmub_srv_stat_get_notification(). HPD handling callback function and wake up the DMUB thread. Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Jude Shih <shenshih@amd.com> Tested-by: Daniel Wheeler <Daniel.Wheeler@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.