drm/i915/guc/slpc: Add SLPC selftest

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Tests that exercise the SLPC get/set frequency interfaces.

Clamp_max will set max frequency to multiple levels and check
that SLPC requests frequency lower than or equal to it.

Clamp_min will set min frequency to different levels and check
if SLPC requests are higher or equal to those levels.

v2: Address review comments (Michal W)
v3: Checkpatch() corrections
v4: Remove unnecessary header file (Matthew Brost)
v5: checkpatch() and define const for 50/3 (Matthew Brost)

Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730202119.23810-14-vinay.belgaumkar@intel.com

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Vinay Belgaumkar 2021-07-30 13:21:18 -07:00 • committed by John Harrison

parent 41e5c17ebf

commit 8ee2c22782

3 changed files with 313 additions and 0 deletions

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1

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

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311

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

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1

drivers/gpu/drm/i915/selftests/i915_live_selftests.h

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