Re: [Intel-gfx] [PATCH 3/7] drm/i915/hwmon: Power PL1 limit and TDP setting

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Hi Badal,

[...]

>  hwm_get_preregistration_info(struct drm_i915_private *i915)
>  {
>  	struct i915_hwmon *hwmon = i915->hwmon;
> +	struct intel_uncore *uncore = &i915->uncore;
> +	intel_wakeref_t wakeref;
> +	u32 val_sku_unit;
>  
> -	if (IS_DG1(i915) || IS_DG2(i915))
> +	if (IS_DG1(i915) || IS_DG2(i915)) {
>  		hwmon->rg.gt_perf_status = GEN12_RPSTAT1;
> -	else
> +		hwmon->rg.pkg_power_sku_unit = PCU_PACKAGE_POWER_SKU_UNIT;
> +		hwmon->rg.pkg_power_sku = PCU_PACKAGE_POWER_SKU;
> +		hwmon->rg.pkg_rapl_limit = PCU_PACKAGE_RAPL_LIMIT;
> +	} else {
>  		hwmon->rg.gt_perf_status = INVALID_MMIO_REG;
> +		hwmon->rg.pkg_power_sku_unit = INVALID_MMIO_REG;
> +		hwmon->rg.pkg_power_sku = INVALID_MMIO_REG;
> +		hwmon->rg.pkg_rapl_limit = INVALID_MMIO_REG;
> +	}
> +
> +	with_intel_runtime_pm(uncore->rpm, wakeref) {
> +		/*
> +		 * The contents of register hwmon->rg.pkg_power_sku_unit do not change,
> +		 * so read it once and store the shift values.
> +		 */
> +		if (i915_mmio_reg_valid(hwmon->rg.pkg_power_sku_unit)) {
> +			val_sku_unit = intel_uncore_read(uncore,
> +							 hwmon->rg.pkg_power_sku_unit);
> +		} else {
> +			val_sku_unit = 0;
> +		}

please remove the brackets here and, just a small nitpick:

move val_sky_unit inside the "with_intel_runtime_pm()" and
initialize it to '0', you will save the else statement.

Other than that:

Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>

Thanks,
Andi



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