David Zhang 381b590c30 drm/amd/display: calculate psr config settings in runtime in DM
[why]
Currently the psr configuration parameters are hardcoded before
feeding into the DC helper before passing to DMUB FW. We'd rework
to call a shared helper to calculate/update generic psr config
fields which are relying on the stream timing and eDP sink PSR
caps to avoid hard-coding.

[how]
- drop part of hard-coded psr config fields by replacing w/ the
  call of helper from DM before feeding into DC link setup psr
  helper
- For those DM specific psr config fields, e.g. allow smu opt, is
  not to be set/updated from the shared helper but to rely on the
  DC feature mask
- for the psr version field in psr_config structure, since only
  the field psr_version of DC link psr_settings matters for that
  fed to DMUB FW, thus no need to set/update the psr_version field
  of psr_config structure.

Signed-off-by: David Zhang <dingchen.zhang@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-06-06 14:42:40 -04:00
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2022-05-01 13:57:58 -07:00
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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 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.
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