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ceb0cc3b42
Display to communicate display pipe count/CDCLK/voltage configuration
to Pcode for more accurate power accounting for DG2.
Existing sequence is only sending the voltage value to the Pcode.
Adding new sequence with current cdclk associate with voltage value masking.
Adding pcode request when any pipe power well will disable or enable.
v2: - Make intel_cdclk_need_serialize static to make CI compiler happy.
v3: - Removed redundant return(Jani Nikula)
- Changed intel_cdclk_power_usage_to_pcode_(pre|post)_notification to be
static and also naming to intel_cdclk_pcode_(pre|post)_notify(Jani Nikula)
- Changed u8 to be u16 for cdclk parameter in intel_pcode_notify function,
as according to BSpec it requires 10 bits(Jani Nikula)
- Replaced dev_priv's with i915's(Jani Nikula)
- Simplified expression in intel_cdclk_need_serialize(Jani Nikula)
- Removed redundant kernel-doc and indentation(Jani Nikula)
v4: - Fixed some checkpatch warnings
v5: - According to HW team comments that change should affect only DG2,
fix correspodent platform check to account this.
v6: - Added one more missing IS_DG2 check(Vinod Govindapillai)
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230504093959.12085-1-stanislav.lisovskiy@intel.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 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.