Matt Roper 0f93f5da1c drm/i915/skl: Use revid->stepping tables
Switch SKL to use a revid->stepping table as we're trying to do on all
platforms going forward.  Also drop the preproduction revisions and add
the newer steppings we hadn't already handled.

Note that SKL has a case where a newer revision ID corresponds to an
older GT/disp stepping (0x9 -> STEP_J0, 0xA -> STEP_I1).  Also, the lack
of a revision ID 0x8 in the table is intentional and not an oversight.
We'll re-write the KBL-specific comment to make it clear that these kind
of quirks are expected.

v2:
 - Since GT and display steppings are always identical on SKL use a
   macro to set both values at once in a more readable manner.  (Anusha)
 - Drop preproduction steppings.

Bspec: 13626
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210713193635.3390052-4-matthew.d.roper@intel.com
2021-07-14 17:35:59 -07:00
2021-07-11 15:07:40 -07:00

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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