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c2b484d784
commit62e5a7e233upstream. [Why] DCE legacy optimization path isn't well tested under new DC optimization flow which can result in underflow occuring when initializing X11 on Carrizo. [How] Retain the legacy optimization flow for DCE and keep the new one for DCN to satisfy optimizations being correctly applied for ASIC that can support it. Fixes:34316c1e56("drm/amd/display: Optimize bandwidth on following fast update") Reported-by: Tom St Denis <tom.stdenis@amd.com> Tested-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: Mario Limonciello <Mario.Limonciello@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.