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[Why] A "dcn20_program_front_end_for_ctx" warning is observed on Renoir. Since the resource definition doesn't explicitly disable triplebuffer flips like Navi10 DC actually attempts to go and setup triplebuffering even when we pass in false to the plane state. If we hit a full update after triplebuffering has been setup we see the assertion since we don't expect full updates while performing triplebuffer flips. Normally this would get reset back to false whne we pass in the new plane state, but since we never actually copy the flag when doing surface updates this doesn't happen. [How] Copy the flag onto the plane update based on the requested surface update state. Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@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.