Re: [Intel-gfx] [PATCH v7 6/7] drm/i915/gt: Create per-tile RPS sysfs interfaces

[Jani Nikula <jani.nikula@linux.intel.com>]

On Sat, 19 Mar 2022, Andi Shyti <andi.shyti@linux.intel.com> wrote:
> +#define INTEL_GT_RPS_SYSFS_ATTR(_name, _mode, _show, _store) \
> +	struct device_attribute dev_attr_gt_##_name = __ATTR(gt_##_name, _mode, _show, _store); \
> +	struct device_attribute dev_attr_rps_##_name = __ATTR(rps_##_name, _mode, _show, _store)

Consider this macro...

> +
> +#define INTEL_GT_RPS_SYSFS_ATTR_RO(_name)				\
> +		INTEL_GT_RPS_SYSFS_ATTR(_name, 0444, _name##_show, NULL)
> +#define INTEL_GT_RPS_SYSFS_ATTR_RW(_name)				\
> +		INTEL_GT_RPS_SYSFS_ATTR(_name, 0644, _name##_show, _name##_store)
> +
> +static INTEL_GT_RPS_SYSFS_ATTR_RO(act_freq_mhz);
> +static INTEL_GT_RPS_SYSFS_ATTR_RO(cur_freq_mhz);
> +static INTEL_GT_RPS_SYSFS_ATTR_RW(boost_freq_mhz);
> +static INTEL_GT_RPS_SYSFS_ATTR_RO(RP0_freq_mhz);
> +static INTEL_GT_RPS_SYSFS_ATTR_RO(RP1_freq_mhz);
> +static INTEL_GT_RPS_SYSFS_ATTR_RO(RPn_freq_mhz);
> +static INTEL_GT_RPS_SYSFS_ATTR_RW(max_freq_mhz);
> +static INTEL_GT_RPS_SYSFS_ATTR_RW(min_freq_mhz);

...and the static keyword here.

All of the dev_attr_rps_* attributes become non-static, as the static
only applies to the dev_attr_gt_* attributes:

  CHECK   drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c
drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c:468:8: warning: symbol 'dev_attr_rps_act_freq_mhz' was not declared. Should it be static?
drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c:469:8: warning: symbol 'dev_attr_rps_cur_freq_mhz' was not declared. Should it be static?
drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c:470:8: warning: symbol 'dev_attr_rps_boost_freq_mhz' was not declared. Should it be static?
drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c:471:8: warning: symbol 'dev_attr_rps_RP0_freq_mhz' was not declared. Should it be static?
drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c:472:8: warning: symbol 'dev_attr_rps_RP1_freq_mhz' was not declared. Should it be static?
drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c:473:8: warning: symbol 'dev_attr_rps_RPn_freq_mhz' was not declared. Should it be static?
drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c:474:8: warning: symbol 'dev_attr_rps_max_freq_mhz' was not declared. Should it be static?
drivers/gpu/drm/i915/gt/intel_gt_sysfs_pm.c:475:8: warning: symbol 'dev_attr_rps_min_freq_mhz' was not declared. Should it be static?

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center