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drm/i915/selftests: Show the pstate limits on any failure to reset min 

We want to see the pstate limits whenever we fail to set the minimum
frequency as that may help for debugging.

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/20200420203040.8984-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2020-04-20 21:30:40 +01:00
parent 007ff34e61
commit 74f103928d
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/gt/selftest_rps.c
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@ -238,6 +238,7 @@ int live_rps_control(void *arg)
pr_err("%s: could not set minimum frequency [%x], only %x!\n",
engine->name, rps->min_freq, read_cagf(rps));
igt_spinner_end(&spin);
show_pstate_limits(rps);
err = -EINVAL;
break;
}
@ -278,6 +279,7 @@ int live_rps_control(void *arg)
if (limit == rps->min_freq) {
pr_err("%s: GPU throttled to minimum!\n",
engine->name);
show_pstate_limits(rps);
err = -ENODEV;
break;
}