drm/i915/guc/slpc: Add SLPC selftest live_slpc_power

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A fundamental assumption is that at lower frequencies,
not only do we run slower, but we save power compared to
higher frequencies.
live_slpc_power checks if running at low frequency saves power

v2: re-use code to measure power
    fixed cosmetic review comments (Vinay)

Signed-off-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220923110043.789178-4-riana.tauro@intel.com

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Riana Tauro 2022-09-23 16:30:43 +05:30 • committed by Anshuman Gupta

parent ac4e856024

commit 59cfc750f5

1 changed files with 118 additions and 9 deletions

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drivers/gpu/drm/i915/gt/selftest_slpc.c

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