16  * primary purpose is to safely allow CPU and GPU turbo modes to be enabled
17  * by tracking power and thermal budget; secondarily it can boost turbo
38  *   - provide turbo enable/disable api
139 #define   PSC_NTG	(1<<0) /* No GFX turbo support */
140 #define   PSC_NTPC	(1<<1) /* No CPU turbo support */
175 #define   HTS2_PRST_TDISOP	2 /* turbo disabled due to power */
176 #define   HTS2_PRST_TDISHT	3 /* turbo disabled due to high temp */
177 #define   HTS2_PRST_TDISUSR	4 /* user disabled turbo */
178 #define   HTS2_PRST_TDISPLAT	5 /* platform disabled turbo */
179 #define   HTS2_PRST_TDISPM	6 /* power management disabled turbo */
180 #define   HTS2_PRST_TDISERR	7 /* some kind of error disabled turbo */
307 	/* Maximums & prefs, protected by turbo status lock */
429  * do_enable_cpu_turbo - internal turbo enable function
433  * turbo, we need to do it on each CPU; this function is the one called
448  * ips_enable_cpu_turbo - enable turbo mode on all CPUs
451  * Enable turbo mode by clearing the disable bit in IA32_PERF_CTL on
467  * do_disable_cpu_turbo - internal turbo disable function
471  * turbo, we need to do it on each CPU; this function is the one called
486  * ips_disable_cpu_turbo - disable turbo mode on all CPUs
489  * Disable turbo mode by setting the disable bit in IA32_PERF_CTL on
558  * ips_enable_gpu_turbo - notify the gfx driver turbo is available
562  * turbo mode.
572  * ips_disable_gpu_turbo - notify the gfx driver to disable turbo mode
575  * Request that the graphics driver disable turbo mode.
579 	/* Avoid calling i915 if turbo is already disabled */  in ips_disable_gpu_turbo()
584 		dev_err(ips->dev, "failed to disable graphics turbo\n");  in ips_disable_gpu_turbo()
696  * Update the IPS power & temp limits, along with turbo enable flags,
711 	 * Disable turbo for now, until we can figure out why the power figures  in update_turbo_limits()
738  *   - is CPU in turbo?
739  *   - is GPU in turbo?
780 		/* Update turbo status if necessary */  in ips_adjust()
1157 			 * Disable turbo for now, until we can figure  in ips_irq_handler()
1295 	 * If the turbo enable bit isn't set, we shouldn't try to enable/disable  in ips_detect_cpu()
1296 	 * turbo manually or we'll get an illegal MSR access, even though  in ips_detect_cpu()
1297 	 * turbo will still be available.  in ips_detect_cpu()
1334  * monitor and control graphics turbo mode.  If we can find them, we can
1335  * enable graphics turbo, otherwise we must disable it to avoid exceeding
1378 				 "i915 driver attached, reenabling gpu turbo\n");  in ips_gpu_turbo_enabled()
1488 		dev_info(&dev->dev, "failed to get i915 symbols, graphics turbo disabled until i915 loads\n");  in ips_probe()
1491 		dev_dbg(&dev->dev, "graphics turbo enabled\n");  in ips_probe()
1497 	 * turbo capable.  in ips_probe()
1531 	/* Save turbo limits & ratios */  in ips_probe()