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99e25e4683
[WHY] On DCN314, using full screen application with enabled scaling like 150%, 175%, with overlay cursor, causes a second cursor to appear when changing planes. Dpp cache is used to track the HW cursor enable. Since power gate is disabled for hubp & dpp in DCN314, dpp_reset() zero'ed the dpp struct, while the dpp hardware was not power gated. So, when plane is changed in a full screen app, and the overlay cursor is enabled, the cache is cleared, so the cache does not represent the actual cursor state. [HOW] Added conditionals for dpp & hubp reset and their pg_control functions only if according power_gate flags are enabled. Reviewed-by: Sun peng Li <sunpeng.li@amd.com> Signed-off-by: Ivan Lipski <ivlipski@amd.com> Signed-off-by: Ray Wu <ray.wu@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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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.