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[Why] Transitioning from low to high resolutions at high refresh rates caused grey corruption. During the transition state, there is a period where plane size is based on low resultion state and ODM slices are based on high resoultion state, causing the entire plane to be contained in one ODM slice. DML2 would turn off the pipe for the ODM slice with no plane, causing an underflow since the pixel rate for the higher resolution cannot be supported on one pipe. This change stops DML2 from turning off pipes that are mapped to an ODM slice with no plane. This is possible to do without negative consequences because pipes can now take the minimum viewport and draw with zero recout size, removing the need to have the pipe turned off. [How] In map_pipes_from_plane(), remove "check" that skips ODM slices that are not covered by the plane. This prevents the pipes for those ODM slices from being freed. Reviewed-by: Ovidiu Bunea <ovidiu.bunea@amd.com> Signed-off-by: Mike Katsnelson <mike.katsnelson@amd.com> Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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| README | ||
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.