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José Roberto de Souza 78b772e1a0 drm/i915/display: Fill PSR state during hardware configuration read out
So far if we had a mismatch between the state asked and what was
programmed in hardware for PSR, this mismatch would go unnoticed.

So here adding the PSR to the hardware configuration readout,
EDP_PSR_CTL and EDP_PSR2_CTL can't be directly read because its state
flips due to other factors like frontbuffer modifications and CRC.

Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210418002126.87882-1-jose.souza@intel.com
History 2021-05-11 12:28:51 -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.