[Bug 111865] [CI][SHARDS]igt at i915_pm_dc@dc6-dpms - skip - Test requirement: igt_pm_pc8_plus_residencies_enabled(data.msr_fd), PC8+ residencies not supported, SKIP

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111865

Don Hiatt <don.hiatt at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|not set                     |major

--- Comment #4 from Don Hiatt <don.hiatt at intel.com> ---
The BIOS has PC8+ disabled (see below). 

Is TGL expected to support PC8+? If so, then this is of MAJOR importance as the
power savings will not be as good as expected and this bug should be assigned
to the BIOS team to enable it.

If, however, TGL does not support PC8+ then IGT should me modified to not
complain and this is of NORMAL importance.

Per process, setting to the higher of the two importance levels, e.g. MAJOR.
lib/igt_pm.c:
/**
 * igt_pm_pc8_plus_residencies_enabled:
 * @msr_fd: fd to /dev/cpu/0/msr
 * Check whether BIOS has disabled the PC8 package deeper state.
 *
 * Returns:
 * True if PC8+ package deeper state enabled on machine otherwise false.
 */
bool igt_pm_pc8_plus_residencies_enabled(int msr_fd)

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