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fdbfaaaae0
This patch includes the remaining improvements to the SDMA reset logic: - Added `gfx_guilty` and `page_guilty` flags to track guilty queues. - Updated the reset and resume functions to handle the guilty state. - Cached the `rptr` before reset. v2: 1.replace the caller with a guilty bool. If the queue is the guilty one, set the rptr and wptr to the saved wptr value, else, set the rptr and wptr to the saved rptr value. (Alex) 2. cache the rptr before the reset. (Alex) v3: Keeping intermediate variables like u64 rwptr simplifies resotre rptr/wptr.(Lijo) Suggested-by: Alex Deucher <alexander.deucher@amd.com> Suggested-by: Jiadong Zhu <Jiadong.Zhu@amd.com> Signed-off-by: Jesse Zhang <jesse.zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@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 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.