80 intel_drrs_set_refresh_rate_pipeconf(struct intel_crtc *crtc,  in intel_drrs_set_refresh_rate_pipeconf()  argument
83 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);  in intel_drrs_set_refresh_rate_pipeconf()
84 	enum transcoder cpu_transcoder = crtc->drrs.cpu_transcoder;  in intel_drrs_set_refresh_rate_pipeconf()
97 intel_drrs_set_refresh_rate_m_n(struct intel_crtc *crtc,  in intel_drrs_set_refresh_rate_m_n()  argument
100 	intel_cpu_transcoder_set_m1_n1(crtc, crtc->drrs.cpu_transcoder,  in intel_drrs_set_refresh_rate_m_n()
102 				       &crtc->drrs.m2_n2 : &crtc->drrs.m_n);  in intel_drrs_set_refresh_rate_m_n()
105 bool intel_drrs_is_active(struct intel_crtc *crtc)  in intel_drrs_is_active()  argument
107 	return crtc->drrs.cpu_transcoder != INVALID_TRANSCODER;  in intel_drrs_is_active()
110 static void intel_drrs_set_state(struct intel_crtc *crtc,  in intel_drrs_set_state()  argument
113 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);  in intel_drrs_set_state()
115 	if (refresh_rate == crtc->drrs.refresh_rate)  in intel_drrs_set_state()
118 	if (intel_cpu_transcoder_has_m2_n2(dev_priv, crtc->drrs.cpu_transcoder))  in intel_drrs_set_state()
119 		intel_drrs_set_refresh_rate_pipeconf(crtc, refresh_rate);  in intel_drrs_set_state()
121 		intel_drrs_set_refresh_rate_m_n(crtc, refresh_rate);  in intel_drrs_set_state()
123 	crtc->drrs.refresh_rate = refresh_rate;  in intel_drrs_set_state()
126 static void intel_drrs_schedule_work(struct intel_crtc *crtc)  in intel_drrs_schedule_work()  argument
128 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);  in intel_drrs_schedule_work()
130 	mod_delayed_work(i915->unordered_wq, &crtc->drrs.work, msecs_to_jiffies(1000));  in intel_drrs_schedule_work()
135 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);  in intel_drrs_frontbuffer_bits()  local
136 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);  in intel_drrs_frontbuffer_bits()
139 	frontbuffer_bits = INTEL_FRONTBUFFER_ALL_MASK(crtc->pipe);  in intel_drrs_frontbuffer_bits()
141 	for_each_intel_crtc_in_pipe_mask(&i915->drm, crtc,  in intel_drrs_frontbuffer_bits()
143 		frontbuffer_bits |= INTEL_FRONTBUFFER_ALL_MASK(crtc->pipe);  in intel_drrs_frontbuffer_bits()
150  * @crtc_state: the crtc state
152  * Activates DRRS on the crtc.
156 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);  in intel_drrs_activate()  local
167 	mutex_lock(&crtc->drrs.mutex);  in intel_drrs_activate()
169 	crtc->drrs.cpu_transcoder = crtc_state->cpu_transcoder;  in intel_drrs_activate()
170 	crtc->drrs.m_n = crtc_state->dp_m_n;  in intel_drrs_activate()
171 	crtc->drrs.m2_n2 = crtc_state->dp_m2_n2;  in intel_drrs_activate()
172 	crtc->drrs.frontbuffer_bits = intel_drrs_frontbuffer_bits(crtc_state);  in intel_drrs_activate()
173 	crtc->drrs.busy_frontbuffer_bits = 0;  in intel_drrs_activate()
175 	intel_drrs_schedule_work(crtc);  in intel_drrs_activate()
177 	mutex_unlock(&crtc->drrs.mutex);  in intel_drrs_activate()
182  * @old_crtc_state: the old crtc state
184  * Deactivates DRRS on the crtc.
188 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);  in intel_drrs_deactivate()  local
199 	mutex_lock(&crtc->drrs.mutex);  in intel_drrs_deactivate()
201 	if (intel_drrs_is_active(crtc))  in intel_drrs_deactivate()
202 		intel_drrs_set_state(crtc, DRRS_REFRESH_RATE_HIGH);  in intel_drrs_deactivate()
204 	crtc->drrs.cpu_transcoder = INVALID_TRANSCODER;  in intel_drrs_deactivate()
205 	crtc->drrs.frontbuffer_bits = 0;  in intel_drrs_deactivate()
206 	crtc->drrs.busy_frontbuffer_bits = 0;  in intel_drrs_deactivate()
208 	mutex_unlock(&crtc->drrs.mutex);  in intel_drrs_deactivate()
210 	cancel_delayed_work_sync(&crtc->drrs.work);  in intel_drrs_deactivate()
215 	struct intel_crtc *crtc = container_of(work, typeof(*crtc), drrs.work.work);  in intel_drrs_downclock_work()  local
217 	mutex_lock(&crtc->drrs.mutex);  in intel_drrs_downclock_work()
219 	if (intel_drrs_is_active(crtc) && !crtc->drrs.busy_frontbuffer_bits)  in intel_drrs_downclock_work()
220 		intel_drrs_set_state(crtc, DRRS_REFRESH_RATE_LOW);  in intel_drrs_downclock_work()
222 	mutex_unlock(&crtc->drrs.mutex);  in intel_drrs_downclock_work()
229 	struct intel_crtc *crtc;  in intel_drrs_frontbuffer_update()  local
231 	for_each_intel_crtc(&dev_priv->drm, crtc) {  in intel_drrs_frontbuffer_update()
234 		mutex_lock(&crtc->drrs.mutex);  in intel_drrs_frontbuffer_update()
236 		frontbuffer_bits = all_frontbuffer_bits & crtc->drrs.frontbuffer_bits;  in intel_drrs_frontbuffer_update()
238 			mutex_unlock(&crtc->drrs.mutex);  in intel_drrs_frontbuffer_update()
243 			crtc->drrs.busy_frontbuffer_bits |= frontbuffer_bits;  in intel_drrs_frontbuffer_update()
245 			crtc->drrs.busy_frontbuffer_bits &= ~frontbuffer_bits;  in intel_drrs_frontbuffer_update()
248 		intel_drrs_set_state(crtc, DRRS_REFRESH_RATE_HIGH);  in intel_drrs_frontbuffer_update()
254 		if (!crtc->drrs.busy_frontbuffer_bits)  in intel_drrs_frontbuffer_update()
255 			intel_drrs_schedule_work(crtc);  in intel_drrs_frontbuffer_update()
257 			cancel_delayed_work(&crtc->drrs.work);  in intel_drrs_frontbuffer_update()
259 		mutex_unlock(&crtc->drrs.mutex);  in intel_drrs_frontbuffer_update()
285  * completed or flip on a crtc is completed. So DRRS should be upclocked
298  * intel_drrs_crtc_init - Init DRRS for CRTC
299  * @crtc: crtc
305 void intel_drrs_crtc_init(struct intel_crtc *crtc)  in intel_drrs_crtc_init()  argument
307 	INIT_DELAYED_WORK(&crtc->drrs.work, intel_drrs_downclock_work);  in intel_drrs_crtc_init()
308 	mutex_init(&crtc->drrs.mutex);  in intel_drrs_crtc_init()
309 	crtc->drrs.cpu_transcoder = INVALID_TRANSCODER;  in intel_drrs_crtc_init()
314 	struct intel_crtc *crtc = m->private;  in intel_drrs_debugfs_status_show()  local
315 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);  in intel_drrs_debugfs_status_show()
319 	ret = drm_modeset_lock_single_interruptible(&crtc->base.mutex);  in intel_drrs_debugfs_status_show()
323 	crtc_state = to_intel_crtc_state(crtc->base.state);  in intel_drrs_debugfs_status_show()
325 	mutex_lock(&crtc->drrs.mutex);  in intel_drrs_debugfs_status_show()
335 		   str_yes_no(intel_drrs_is_active(crtc)));  in intel_drrs_debugfs_status_show()
338 		   crtc->drrs.refresh_rate == DRRS_REFRESH_RATE_LOW ?  in intel_drrs_debugfs_status_show()
342 		   crtc->drrs.busy_frontbuffer_bits);  in intel_drrs_debugfs_status_show()
344 	mutex_unlock(&crtc->drrs.mutex);  in intel_drrs_debugfs_status_show()
346 	drm_modeset_unlock(&crtc->base.mutex);  in intel_drrs_debugfs_status_show()
355 	struct intel_crtc *crtc = data;  in intel_drrs_debugfs_ctl_set()  local
356 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);  in intel_drrs_debugfs_ctl_set()
361 	ret = drm_modeset_lock_single_interruptible(&crtc->base.mutex);  in intel_drrs_debugfs_ctl_set()
365 	crtc_state = to_intel_crtc_state(crtc->base.state);  in intel_drrs_debugfs_ctl_set()
387 	drm_modeset_unlock(&crtc->base.mutex);  in intel_drrs_debugfs_ctl_set()
395 void intel_drrs_crtc_debugfs_add(struct intel_crtc *crtc)  in intel_drrs_crtc_debugfs_add()  argument
397 	debugfs_create_file("i915_drrs_status", 0444, crtc->base.debugfs_entry,  in intel_drrs_crtc_debugfs_add()
398 			    crtc, &intel_drrs_debugfs_status_fops);  in intel_drrs_crtc_debugfs_add()
400 	debugfs_create_file_unsafe("i915_drrs_ctl", 0644, crtc->base.debugfs_entry,  in intel_drrs_crtc_debugfs_add()
401 				   crtc, &intel_drrs_debugfs_ctl_fops);  in intel_drrs_crtc_debugfs_add()