1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright © 2018-2020 Intel Corporation
31 	struct drm_device *dev = crtc->dev;  in kmb_crtc_enable_vblank()
34 	/* Clear interrupt */  in kmb_crtc_enable_vblank()
36 	/* Set which interval to generate vertical interrupt */  in kmb_crtc_enable_vblank()
39 	/* Enable vertical interrupt */  in kmb_crtc_enable_vblank()
47 	struct drm_device *dev = crtc->dev;  in kmb_crtc_disable_vblank()
50 	/* Clear interrupt */  in kmb_crtc_disable_vblank()
52 	/* Disable vertical interrupt */  in kmb_crtc_disable_vblank()
71 	struct drm_device *dev = crtc->dev;  in kmb_crtc_set_mode()
72 	struct drm_display_mode *m = &crtc->state->adjusted_mode;  in kmb_crtc_set_mode()
78 	kmb_dsi_mode_set(kmb->kmb_dsi, m, kmb->sys_clk_mhz, old_state);  in kmb_crtc_set_mode()
81 		 m->crtc_vsync_start - m->crtc_vdisplay,  in kmb_crtc_set_mode()
82 		 m->crtc_vtotal - m->crtc_vsync_end,  in kmb_crtc_set_mode()
83 		 m->crtc_vsync_end - m->crtc_vsync_start,  in kmb_crtc_set_mode()
84 		 m->crtc_hsync_start - m->crtc_hdisplay,  in kmb_crtc_set_mode()
85 		 m->crtc_htotal - m->crtc_hsync_end,  in kmb_crtc_set_mode()
86 		 m->crtc_hsync_end - m->crtc_hsync_start);  in kmb_crtc_set_mode()
97 …drm_dbg(dev, "%s : %dactive height= %d vbp=%d vfp=%d vsync-w=%d h-active=%d h-bp=%d h-fp=%d hsync-…  in kmb_crtc_set_mode()
99 			m->crtc_vdisplay, vm.vback_porch, vm.vfront_porch,  in kmb_crtc_set_mode()
100 			vm.vsync_len, m->crtc_hdisplay, vm.hback_porch,  in kmb_crtc_set_mode()
103 		      m->crtc_vdisplay - 1);  in kmb_crtc_set_mode()
106 	kmb_write_lcd(kmb, LCD_VSYNC_WIDTH, vm.vsync_len - 1);  in kmb_crtc_set_mode()
108 		      m->crtc_hdisplay - 1);  in kmb_crtc_set_mode()
111 	kmb_write_lcd(kmb, LCD_HSYNC_WIDTH, vm.hsync_len - 1);  in kmb_crtc_set_mode()
117 	if (m->flags == DRM_MODE_FLAG_INTERLACE) {  in kmb_crtc_set_mode()
119 			      LCD_VSYNC_WIDTH_EVEN, vm.vsync_len - 1);  in kmb_crtc_set_mode()
125 			      m->crtc_vdisplay - 1);  in kmb_crtc_set_mode()
140 	clk_prepare_enable(kmb->kmb_clk.clk_lcd);  in kmb_crtc_atomic_enable()
155 	clk_disable_unprepare(kmb->kmb_clk.clk_lcd);  in kmb_crtc_atomic_disable()
161 	struct drm_device *dev = crtc->dev;  in kmb_crtc_atomic_begin()
171 	struct drm_device *dev = crtc->dev;  in kmb_crtc_atomic_flush()
177 	spin_lock_irq(&crtc->dev->event_lock);  in kmb_crtc_atomic_flush()
178 	if (crtc->state->event) {  in kmb_crtc_atomic_flush()
180 			drm_crtc_arm_vblank_event(crtc, crtc->state->event);  in kmb_crtc_atomic_flush()
182 			drm_crtc_send_vblank_event(crtc, crtc->state->event);  in kmb_crtc_atomic_flush()
184 	crtc->state->event = NULL;  in kmb_crtc_atomic_flush()
185 	spin_unlock_irq(&crtc->dev->event_lock);  in kmb_crtc_atomic_flush()
193 	struct drm_device *dev = crtc->dev;  in kmb_crtc_mode_valid()
194 	int vfp = mode->vsync_start - mode->vdisplay;  in kmb_crtc_mode_valid()
196 	if (mode->vdisplay < KMB_CRTC_MAX_HEIGHT) {  in kmb_crtc_mode_valid()
197 		drm_dbg(dev, "height = %d less than %d",  in kmb_crtc_mode_valid()
198 			mode->vdisplay, KMB_CRTC_MAX_HEIGHT);  in kmb_crtc_mode_valid()
201 	if (mode->hdisplay < KMB_CRTC_MAX_WIDTH) {  in kmb_crtc_mode_valid()
202 		drm_dbg(dev, "width = %d less than %d",  in kmb_crtc_mode_valid()
203 			mode->hdisplay, KMB_CRTC_MAX_WIDTH);  in kmb_crtc_mode_valid()
208 		drm_dbg(dev, "refresh = %d less than %d or greater than %d",  in kmb_crtc_mode_valid()
214 		drm_dbg(dev, "vfp = %d less than %d", vfp, KMB_CRTC_MIN_VFP);  in kmb_crtc_mode_valid()
239 	ret = drm_crtc_init_with_planes(drm, &kmb->crtc, &primary->base_plane,  in kmb_setup_crtc()
242 		kmb_plane_destroy(&primary->base_plane);  in kmb_setup_crtc()
246 	drm_crtc_helper_add(&kmb->crtc, &kmb_crtc_helper_funcs);  in kmb_setup_crtc()