Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
> 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@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gt/selftest_rps.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/gt/selftest_rps.c b/drivers/gpu/drm/i915/gt/selftest_rps.c
> index d7cd673550ef..e0a791eac752 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_rps.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_rps.c
> @@ -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;
> }
> --
> 2.20.1
>
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