2  * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
52 	int pipe = -1;  in get_edp_pipe()
71 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in edp_pipe_is_enabled()
72 	struct intel_display *display = &dev_priv->display;  in edp_pipe_is_enabled()
84 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in pipe_is_enabled()
85 	struct intel_display *display = &dev_priv->display;  in pipe_is_enabled()
87 	if (drm_WARN_ON(&dev_priv->drm,  in pipe_is_enabled()
89 		return -EINVAL;  in pipe_is_enabled()
102 /* EDID with 1024x768 as its resolution */
136 /* EDID with 1920x1200 as its resolution */
185 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in emulate_monitor_status_change()
186 	struct intel_display *display = &dev_priv->display;  in emulate_monitor_status_change()
266 		 *   24 bpp, 4 lanes, 154000 pixel clk (from virtual EDID),  in emulate_monitor_status_change()
267 		 *   DP link clk 1620 MHz and non-constant_n.  in emulate_monitor_status_change()
276 		/* Enable per-DDI/PORT vreg */  in emulate_monitor_status_change()
403 		 *   24 bpp, 4 lanes, 154000 pixel clk (from virtual EDID),  in emulate_monitor_status_change()
404 		 *   DP link clk 1620 MHz and non-constant_n.  in emulate_monitor_status_change()
529 	kfree(port->edid);  in clean_virtual_dp_monitor()
530 	port->edid = NULL;  in clean_virtual_dp_monitor()
532 	kfree(port->dpcd);  in clean_virtual_dp_monitor()
533 	port->dpcd = NULL;  in clean_virtual_dp_monitor()
544 	/* Set vblank emulation request per-vGPU bit */  in vblank_timer_fn()
545 	intel_gvt_request_service(vgpu->gvt,  in vblank_timer_fn()
546 				  INTEL_GVT_REQUEST_EMULATE_VBLANK + vgpu->id);  in vblank_timer_fn()
547 	hrtimer_add_expires_ns(&vblank_timer->timer, vblank_timer->period);  in vblank_timer_fn()
554 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;  in setup_virtual_dp_monitor()
556 	struct intel_vgpu_vblank_timer *vblank_timer = &vgpu->vblank_timer;  in setup_virtual_dp_monitor()
558 	if (drm_WARN_ON(&i915->drm, resolution >= GVT_EDID_NUM))  in setup_virtual_dp_monitor()
559 		return -EINVAL;  in setup_virtual_dp_monitor()
561 	port->edid = kzalloc(sizeof(*(port->edid)), GFP_KERNEL);  in setup_virtual_dp_monitor()
562 	if (!port->edid)  in setup_virtual_dp_monitor()
563 		return -ENOMEM;  in setup_virtual_dp_monitor()
565 	port->dpcd = kzalloc(sizeof(*(port->dpcd)), GFP_KERNEL);  in setup_virtual_dp_monitor()
566 	if (!port->dpcd) {  in setup_virtual_dp_monitor()
567 		kfree(port->edid);  in setup_virtual_dp_monitor()
568 		return -ENOMEM;  in setup_virtual_dp_monitor()
571 	memcpy(port->edid->edid_block, virtual_dp_monitor_edid[resolution],  in setup_virtual_dp_monitor()
573 	port->edid->data_valid = true;  in setup_virtual_dp_monitor()
575 	memcpy(port->dpcd->data, dpcd_fix_data, DPCD_HEADER_SIZE);  in setup_virtual_dp_monitor()
576 	port->dpcd->data_valid = true;  in setup_virtual_dp_monitor()
577 	port->dpcd->data[DP_SINK_COUNT] = 0x1;  in setup_virtual_dp_monitor()
578 	port->type = type;  in setup_virtual_dp_monitor()
579 	port->id = resolution;  in setup_virtual_dp_monitor()
580 	port->vrefresh_k = GVT_DEFAULT_REFRESH_RATE * MSEC_PER_SEC;  in setup_virtual_dp_monitor()
581 	vgpu->display.port_num = port_num;  in setup_virtual_dp_monitor()
584 	hrtimer_init(&vblank_timer->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);  in setup_virtual_dp_monitor()
585 	vblank_timer->timer.function = vblank_timer_fn;  in setup_virtual_dp_monitor()
586 	vblank_timer->vrefresh_k = port->vrefresh_k;  in setup_virtual_dp_monitor()
587 …vblank_timer->period = DIV64_U64_ROUND_CLOSEST(NSEC_PER_SEC * MSEC_PER_SEC, vblank_timer->vrefresh…  in setup_virtual_dp_monitor()
595  * vgpu_update_vblank_emulation - Update per-vGPU vblank_timer
599  * This function is used to turn on/off or update the per-vGPU vblank_timer
606 	struct intel_vgpu_vblank_timer *vblank_timer = &vgpu->vblank_timer;  in vgpu_update_vblank_emulation()
608 		intel_vgpu_port(vgpu, vgpu->display.port_num);  in vgpu_update_vblank_emulation()
612 		 * Skip the re-enable if already active and vrefresh unchanged.  in vgpu_update_vblank_emulation()
616 		if (vblank_timer->vrefresh_k != port->vrefresh_k ||  in vgpu_update_vblank_emulation()
617 		    !hrtimer_active(&vblank_timer->timer)) {  in vgpu_update_vblank_emulation()
619 			if (hrtimer_active(&vblank_timer->timer))  in vgpu_update_vblank_emulation()
620 				hrtimer_cancel(&vblank_timer->timer);  in vgpu_update_vblank_emulation()
623 			vblank_timer->vrefresh_k = port->vrefresh_k;  in vgpu_update_vblank_emulation()
624 …vblank_timer->period = DIV64_U64_ROUND_CLOSEST(NSEC_PER_SEC * MSEC_PER_SEC, vblank_timer->vrefresh…  in vgpu_update_vblank_emulation()
625 			hrtimer_start(&vblank_timer->timer,  in vgpu_update_vblank_emulation()
626 				      ktime_add_ns(ktime_get(), vblank_timer->period),  in vgpu_update_vblank_emulation()
631 		hrtimer_cancel(&vblank_timer->timer);  in vgpu_update_vblank_emulation()
637 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in emulate_vblank_on_pipe()
638 	struct intel_display *display = &dev_priv->display;  in emulate_vblank_on_pipe()
639 	struct intel_vgpu_irq *irq = &vgpu->irq;  in emulate_vblank_on_pipe()
650 	for_each_set_bit(event, irq->flip_done_event[pipe],  in emulate_vblank_on_pipe()
652 		clear_bit(event, irq->flip_done_event[pipe]);  in emulate_vblank_on_pipe()
667 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;  in intel_vgpu_emulate_vblank()
668 	struct intel_display *display = &i915->display;  in intel_vgpu_emulate_vblank()
671 	mutex_lock(&vgpu->vgpu_lock);  in intel_vgpu_emulate_vblank()
674 	mutex_unlock(&vgpu->vgpu_lock);  in intel_vgpu_emulate_vblank()
678  * intel_vgpu_emulate_hotplug - trigger hotplug event for vGPU
687 	struct drm_i915_private *i915 = vgpu->gvt->gt->i915;  in intel_vgpu_emulate_hotplug()
768  * intel_vgpu_clean_display - clean vGPU virtual display emulation
771  * This function is used to clean vGPU virtual display emulation stuffs
776 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in intel_vgpu_clean_display()
790  * intel_vgpu_init_display- initialize vGPU virtual display emulation
794  * This function is used to initialize vGPU virtual display emulation stuffs
802 	struct drm_i915_private *dev_priv = vgpu->gvt->gt->i915;  in intel_vgpu_init_display()
818  * intel_vgpu_reset_display- reset vGPU virtual display emulation
821  * This function is used to reset vGPU virtual display emulation stuffs