21  * DOC: Xe GT Idle
23  * Contains functions that init GT idle features like C6
25  * device/gt#/gtidle/name - name of the state
26  * device/gt#/gtidle/idle_residency_ms - Provides residency of the idle state in ms
27  * device/gt#/gtidle/idle_status - Provides current idle state
51 	struct xe_gt *gt = container_of(guc, struct xe_gt, uc.guc);  in pc_to_xe()  local
53 	return gt_to_xe(gt);  in pc_to_xe()
60 		return "gt-c0";  in gt_idle_state_to_string()
62 		return "gt-c6";  in gt_idle_state_to_string()
98 void xe_gt_idle_enable_pg(struct xe_gt *gt)  in xe_gt_idle_enable_pg()  argument
100 	struct xe_device *xe = gt_to_xe(gt);  in xe_gt_idle_enable_pg()
111 	xe_device_assert_mem_access(gt_to_xe(gt));  in xe_gt_idle_enable_pg()
116 		if ((gt->info.engine_mask & BIT(i)))  in xe_gt_idle_enable_pg()
121 	XE_WARN_ON(xe_force_wake_get(gt_to_fw(gt), XE_FW_GT));  in xe_gt_idle_enable_pg()
127 		xe_mmio_write32(gt, MEDIA_POWERGATE_IDLE_HYSTERESIS, 25);  in xe_gt_idle_enable_pg()
128 		xe_mmio_write32(gt, RENDER_POWERGATE_IDLE_HYSTERESIS, 25);  in xe_gt_idle_enable_pg()
131 	xe_mmio_write32(gt, POWERGATE_ENABLE, pg_enable);  in xe_gt_idle_enable_pg()
132 	XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FW_GT));  in xe_gt_idle_enable_pg()
135 void xe_gt_idle_disable_pg(struct xe_gt *gt)  in xe_gt_idle_disable_pg()  argument
137 	if (IS_SRIOV_VF(gt_to_xe(gt)))  in xe_gt_idle_disable_pg()
140 	xe_device_assert_mem_access(gt_to_xe(gt));  in xe_gt_idle_disable_pg()
141 	XE_WARN_ON(xe_force_wake_get(gt_to_fw(gt), XE_FW_GT));  in xe_gt_idle_disable_pg()
143 	xe_mmio_write32(gt, POWERGATE_ENABLE, 0);  in xe_gt_idle_disable_pg()
145 	XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FW_GT));  in xe_gt_idle_disable_pg()
203 	struct xe_gt *gt = kobj_to_gt(kobj->parent);  in gt_idle_fini()  local
205 	xe_gt_idle_disable_pg(gt);  in gt_idle_fini()
207 	if (gt_to_xe(gt)->info.skip_guc_pc) {  in gt_idle_fini()
208 		XE_WARN_ON(xe_force_wake_get(gt_to_fw(gt), XE_FW_GT));  in gt_idle_fini()
209 		xe_gt_idle_disable_c6(gt);  in gt_idle_fini()
210 		xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);  in gt_idle_fini()
219 	struct xe_gt *gt = gtidle_to_gt(gtidle);  in xe_gt_idle_init()  local
220 	struct xe_device *xe = gt_to_xe(gt);  in xe_gt_idle_init()
227 	kobj = kobject_create_and_add("gtidle", gt->sysfs);  in xe_gt_idle_init()
231 	if (xe_gt_is_media_type(gt)) {  in xe_gt_idle_init()
232 		snprintf(gtidle->name, sizeof(gtidle->name), "gt%d-mc", gt->info.id);  in xe_gt_idle_init()
235 		snprintf(gtidle->name, sizeof(gtidle->name), "gt%d-rc", gt->info.id);  in xe_gt_idle_init()
249 	xe_gt_idle_enable_pg(gt);  in xe_gt_idle_init()
254 void xe_gt_idle_enable_c6(struct xe_gt *gt)  in xe_gt_idle_enable_c6()  argument
256 	xe_device_assert_mem_access(gt_to_xe(gt));  in xe_gt_idle_enable_c6()
257 	xe_force_wake_assert_held(gt_to_fw(gt), XE_FW_GT);  in xe_gt_idle_enable_c6()
259 	if (IS_SRIOV_VF(gt_to_xe(gt)))  in xe_gt_idle_enable_c6()
263 	xe_mmio_write32(gt, RC_IDLE_HYSTERSIS, 0x3B9ACA);  in xe_gt_idle_enable_c6()
265 	xe_mmio_write32(gt, RC_CONTROL,  in xe_gt_idle_enable_c6()
269 void xe_gt_idle_disable_c6(struct xe_gt *gt)  in xe_gt_idle_disable_c6()  argument
271 	xe_device_assert_mem_access(gt_to_xe(gt));  in xe_gt_idle_disable_c6()
272 	xe_force_wake_assert_held(gt_to_fw(gt), XE_FW_GT);  in xe_gt_idle_disable_c6()
274 	if (IS_SRIOV_VF(gt_to_xe(gt)))  in xe_gt_idle_disable_c6()
277 	xe_mmio_write32(gt, RC_CONTROL, 0);  in xe_gt_idle_disable_c6()
278 	xe_mmio_write32(gt, RC_STATE, 0);  in xe_gt_idle_disable_c6()