22  * Lock protecting IPS related data structures
265 			rps->ips.m = cparams[i].m;  in gen5_rps_init()
266 			rps->ips.c = cparams[i].c;  in gen5_rps_init()
287 __ips_chipset_val(struct intel_ips *ips)  in __ips_chipset_val()  argument
290 		rps_to_uncore(container_of(ips, struct intel_rps, ips));  in __ips_chipset_val()
303 	dt = now - ips->last_time1;  in __ips_chipset_val()
305 		return ips->chipset_power;  in __ips_chipset_val()
312 	delta = total - ips->last_count1;  in __ips_chipset_val()
314 	result = div_u64(div_u64(ips->m * delta, dt) + ips->c, 10);  in __ips_chipset_val()
316 	ips->last_count1 = total;  in __ips_chipset_val()
317 	ips->last_time1 = now;  in __ips_chipset_val()
319 	ips->chipset_power = result;  in __ips_chipset_val()
359 static void __gen5_ips_update(struct intel_ips *ips)  in __gen5_ips_update()  argument
362 		rps_to_uncore(container_of(ips, struct intel_rps, ips));  in __gen5_ips_update()
369 	dt = now - ips->last_time2;  in __gen5_ips_update()
377 	delta = count - ips->last_count2;  in __gen5_ips_update()
379 	ips->last_count2 = count;  in __gen5_ips_update()
380 	ips->last_time2 = now;  in __gen5_ips_update()
383 	ips->gfx_power = div_u64(delta * 1181, dt * 10);  in __gen5_ips_update()
389 	__gen5_ips_update(&rps->ips);  in gen5_rps_update()
406 	/* Invert the frequency bin into an ips delay */  in gen5_rps_set()
552 	rps->ips.last_count1 = intel_uncore_read(uncore, DMIEC);  in gen5_rps_enable()
553 	rps->ips.last_count1 += intel_uncore_read(uncore, DDREC);  in gen5_rps_enable()
554 	rps->ips.last_count1 += intel_uncore_read(uncore, CSIEC);  in gen5_rps_enable()
555 	rps->ips.last_time1 = jiffies_to_msecs(jiffies);  in gen5_rps_enable()
557 	rps->ips.last_count2 = intel_uncore_read(uncore, GFXEC);  in gen5_rps_enable()
558 	rps->ips.last_time2 = ktime_get_raw_ns();  in gen5_rps_enable()
562 	rps->ips.corr = init_emon(uncore);  in gen5_rps_enable()
1275 static unsigned long __ips_gfx_val(struct intel_ips *ips)  in __ips_gfx_val()  argument
1277 	struct intel_rps *rps = container_of(ips, typeof(*rps), ips);  in __ips_gfx_val()
1303 	corr2 = corr * ips->corr;  in __ips_gfx_val()
1308 	__gen5_ips_update(ips);  in __ips_gfx_val()
1310 	return ips->gfx_power + state2;  in __ips_gfx_val()
1911  * IPS got loaded first.
1914  * other in order for IPS to do the appropriate communication of
1934 	 * We only register the i915 ips part with intel-ips once everything is  in intel_rps_driver_register()
1935 	 * set up, to avoid intel-ips sneaking in and reading bogus values.  in intel_rps_driver_register()
1964  * i915_read_mch_val - return value for IPS use
1966  * Calculate and return a value for the IPS driver to use when deciding whether
1981 		struct intel_ips *ips = &i915->gt.rps.ips;  in i915_read_mch_val()  local
1984 		chipset_val = __ips_chipset_val(ips);  in i915_read_mch_val()
1985 		graphics_val = __ips_gfx_val(ips);  in i915_read_mch_val()
1997  * Raise the limit; IPS indicates we have thermal headroom.
2023  * IPS indicates we're close to a thermal limit, so throttle back the GPU
2048  * i915_gpu_busy - indicate GPU business to IPS
2050  * Tell the IPS driver whether or not the GPU is busy.