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[ Upstream commit cb7b7ae53b557d168b4af5cd8549f3eff920bfb5 ] The extra 15% clock was added as a workaround for a Polaris issue which uses DCE 11, and should not have been used on DCE 6 which is already hardcoded to the highest possible display clock. Unfortunately, the extra 15% was mistakenly copied and kept even on code paths which don't affect Polaris. This commit fixes that and also adds a check to make sure not to exceed the maximum DCE 6 display clock. Fixes:8cd61c313d("drm/amd/display: Raise dispclk value for Polaris") Fixes:dc88b4a684("drm/amd/display: make clk mgr soc specific") Fixes:3ecb3b794e("drm/amd/display: dc/clk_mgr: add support for SI parts (v2)") Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Rodrigo Siqueira <siqueira@igalia.com> Reviewed-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 427980c1cbd22bb256b9385f5ce73c0937562408) Cc: stable@vger.kernel.org [ `MIN` => `min` ] Signed-off-by: Sasha Levin <sashal@kernel.org> 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.