Re: [PATCH v2] drm/i915/selftests: Add delay to stabilize frequency in live_rps_power

["Nilawar, Badal" <badal.nilawar@intel.com>]

On 03-12-2024 11:41, Sk Anirban wrote:
> Add delays to allow frequency stabilization before power measurement
> to fix sporadic power conservation issues in live_rps_power test.
> 
> v2:
>    - Move delay to respective function (Badal)
> 
> Signed-off-by: Sk Anirban <sk.anirban@intel.com>
> ---
>   drivers/gpu/drm/i915/gt/selftest_rps.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/gt/selftest_rps.c b/drivers/gpu/drm/i915/gt/selftest_rps.c
> index dcef8d498919..c207a4fb03bf 100644
> --- a/drivers/gpu/drm/i915/gt/selftest_rps.c
> +++ b/drivers/gpu/drm/i915/gt/selftest_rps.c
> @@ -1125,6 +1125,7 @@ static u64 measure_power(struct intel_rps *rps, int *freq)
>   static u64 measure_power_at(struct intel_rps *rps, int *freq)
>   {
>   	*freq = rps_set_check(rps, *freq);
> +	msleep(100);

Reviewed-by: Badal Nilawar <badal.nilawar@intel.com>

Regards,
Badal
>   	return measure_power(rps, freq);
>   }
>