drm/i915/selftests: Exercise basic RPS interrupt generation

Browse source

Since we depend upon RPS generating interrupts after evaluation
intervals to determine when to up/down clock the GPU, it is imperative
that we successfully enable interrupt generation! Verify that we do see
an interrupt if we keep the GPU busy for an entire EI.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200415170318.16771-1-chris@chris-wilson.co.uk

...

This commit is contained in:

Chris Wilson 2020-04-15 18:03:17 +01:00

parent 2a040f0d08

commit 46495adc6c

4 changed files with 240 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

4

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

View file

2

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

View file

223

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

View file

11

drivers/gpu/drm/i915/gt/selftest_rps.h

View file