diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-04-20 18:27:34 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-04-20 20:08:06 +0100 |
| commit | 4ba74e53ada3c7cca9808d0c1332d34133f06575 (patch) | |
| tree | f2ad9e5c18760ca93091f6353d152e6ab49ea4be /drivers/gpu/drm/i915/gt/selftest_rps.h | |
| parent | f0617ff0b89416d5e15e14c22489ae3013d343fa (diff) | |
drm/i915/selftests: Verify frequency scaling with RPS
One of the core tenents of reclocking the GPU is that its throughput
scales with the clock frequency. We can observe this by incrementing a
loop counter on the GPU, and compare the different execution rates at
the notional RPS frequencies.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200420172739.11620-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_rps.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/selftest_rps.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_rps.h b/drivers/gpu/drm/i915/gt/selftest_rps.h index cad515a7f0e5..07c2bddf8899 100644 --- a/drivers/gpu/drm/i915/gt/selftest_rps.h +++ b/drivers/gpu/drm/i915/gt/selftest_rps.h @@ -6,6 +6,7 @@ #ifndef SELFTEST_RPS_H #define SELFTEST_RPS_H +int live_rps_frequency(void *arg); int live_rps_interrupt(void *arg); int live_rps_power(void *arg); |