104 	struct msmfb_info *msmfb  = container_of(callback, struct msmfb_info,  in msmfb_handle_dma_interrupt()  local
107 	spin_lock_irqsave(&msmfb->update_lock, irq_flags);  in msmfb_handle_dma_interrupt()
108 	msmfb->frame_done = msmfb->frame_requested;  in msmfb_handle_dma_interrupt()
109 	if (msmfb->sleeping == UPDATING &&  in msmfb_handle_dma_interrupt()
110 	    msmfb->frame_done == msmfb->update_frame) {  in msmfb_handle_dma_interrupt()
112 		schedule_work(&msmfb->resume_work);  in msmfb_handle_dma_interrupt()
114 	spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);  in msmfb_handle_dma_interrupt()
115 	wake_up(&msmfb->frame_wq);  in msmfb_handle_dma_interrupt()
118 static int msmfb_start_dma(struct msmfb_info *msmfb)  in msmfb_start_dma()  argument
125 	struct msm_panel_data *panel = msmfb->panel;  in msmfb_start_dma()
127 	spin_lock_irqsave(&msmfb->update_lock, irq_flags);  in msmfb_start_dma()
129 			     msmfb->vsync_request_time));  in msmfb_start_dma()
136 	if (msmfb->frame_done == msmfb->frame_requested) {  in msmfb_start_dma()
137 		spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);  in msmfb_start_dma()
140 	if (msmfb->sleeping == SLEEPING) {  in msmfb_start_dma()
142 		spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);  in msmfb_start_dma()
145 	x = msmfb->update_info.left;  in msmfb_start_dma()
146 	y = msmfb->update_info.top;  in msmfb_start_dma()
147 	w = msmfb->update_info.eright - x;  in msmfb_start_dma()
148 	h = msmfb->update_info.ebottom - y;  in msmfb_start_dma()
149 	yoffset = msmfb->yoffset;  in msmfb_start_dma()
150 	msmfb->update_info.left = msmfb->xres + 1;  in msmfb_start_dma()
151 	msmfb->update_info.top = msmfb->yres + 1;  in msmfb_start_dma()
152 	msmfb->update_info.eright = 0;  in msmfb_start_dma()
153 	msmfb->update_info.ebottom = 0;  in msmfb_start_dma()
154 	if (unlikely(w > msmfb->xres || h > msmfb->yres ||  in msmfb_start_dma()
158 		msmfb->frame_done = msmfb->frame_requested;  in msmfb_start_dma()
161 	spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);  in msmfb_start_dma()
163 	addr = ((msmfb->xres * (yoffset + y) + x) * 2);  in msmfb_start_dma()
164 	mdp->dma(mdp, addr + msmfb->fb->fix.smem_start,  in msmfb_start_dma()
165 		 msmfb->xres * 2, w, h, x, y, &msmfb->dma_callback,  in msmfb_start_dma()
169 	spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);  in msmfb_start_dma()
173 	wake_up(&msmfb->frame_wq);  in msmfb_start_dma()
180 	struct msmfb_info *msmfb = container_of(callback, struct msmfb_info,  in msmfb_handle_vsync_interrupt()  local
182 	msmfb_start_dma(msmfb);  in msmfb_handle_vsync_interrupt()
187 	struct msmfb_info *msmfb  = container_of(timer, struct msmfb_info,  in msmfb_fake_vsync()  local
189 	msmfb_start_dma(msmfb);  in msmfb_fake_vsync()
197 	struct msmfb_info *msmfb = info->par;  in msmfb_pan_update()  local
198 	struct msm_panel_data *panel = msmfb->panel;  in msmfb_pan_update()
206 	spin_lock_irqsave(&msmfb->update_lock, irq_flags);  in msmfb_pan_update()
210 	if (msmfb->sleeping == SLEEPING) {  in msmfb_pan_update()
212 		spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);  in msmfb_pan_update()
214 			wait_event_interruptible_timeout(msmfb->frame_wq,  in msmfb_pan_update()
215 				msmfb->sleeping != SLEEPING, HZ/10);  in msmfb_pan_update()
219 	sleeping = msmfb->sleeping;  in msmfb_pan_update()
221 	if ((pan_display && msmfb->frame_requested != msmfb->frame_done) ||  in msmfb_pan_update()
224 		spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);  in msmfb_pan_update()
225 		ret = wait_event_interruptible_timeout(msmfb->frame_wq,  in msmfb_pan_update()
226 			msmfb->frame_done == msmfb->frame_requested &&  in msmfb_pan_update()
227 			msmfb->sleeping != UPDATING, 5 * HZ);  in msmfb_pan_update()
228 		if (ret <= 0 && (msmfb->frame_requested != msmfb->frame_done ||  in msmfb_pan_update()
229 				 msmfb->sleeping == UPDATING)) {  in msmfb_pan_update()
233 					&msmfb->vsync_callback);  in msmfb_pan_update()
240 					msmfb->frame_requested,  in msmfb_pan_update()
241 					msmfb->frame_done);  in msmfb_pan_update()
249 	msmfb->frame_requested++;  in msmfb_pan_update()
253 		msmfb->yoffset = yoffset;  in msmfb_pan_update()
257 				msmfb->update_frame = msmfb->frame_requested;  in msmfb_pan_update()
259 				msmfb->sleeping = UPDATING;  in msmfb_pan_update()
265 	if (left < msmfb->update_info.left)  in msmfb_pan_update()
266 		msmfb->update_info.left = left;  in msmfb_pan_update()
267 	if (top < msmfb->update_info.top)  in msmfb_pan_update()
268 		msmfb->update_info.top = top;  in msmfb_pan_update()
269 	if (eright > msmfb->update_info.eright)  in msmfb_pan_update()
270 		msmfb->update_info.eright = eright;  in msmfb_pan_update()
271 	if (ebottom > msmfb->update_info.ebottom)  in msmfb_pan_update()
272 		msmfb->update_info.ebottom = ebottom;  in msmfb_pan_update()
274 		msmfb->update_info.left, msmfb->update_info.top,  in msmfb_pan_update()
275 		msmfb->update_info.eright, msmfb->update_info.ebottom,  in msmfb_pan_update()
276 		msmfb->yoffset);  in msmfb_pan_update()
277 	spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);  in msmfb_pan_update()
281 	msmfb->vsync_request_time = ktime_get();  in msmfb_pan_update()
283 		panel->request_vsync(panel, &msmfb->vsync_callback);  in msmfb_pan_update()
285 		if (!hrtimer_active(&msmfb->fake_vsync)) {  in msmfb_pan_update()
286 			hrtimer_start(&msmfb->fake_vsync,  in msmfb_pan_update()
301 	struct msmfb_info *msmfb =  in power_on_panel()  local
303 	struct msm_panel_data *panel = msmfb->panel;  in power_on_panel()
306 	mutex_lock(&msmfb->panel_init_lock);  in power_on_panel()
308 	if (msmfb->sleeping == UPDATING) {  in power_on_panel()
314 		spin_lock_irqsave(&msmfb->update_lock, irq_flags);  in power_on_panel()
315 		msmfb->sleeping = AWAKE;  in power_on_panel()
316 		wake_up(&msmfb->frame_wq);  in power_on_panel()
317 		spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);  in power_on_panel()
320 	mutex_unlock(&msmfb->panel_init_lock);  in power_on_panel()
339 	struct msmfb_info *msmfb = info->par;  in msmfb_pan_display()  local
340 	struct msm_panel_data *panel = msmfb->panel;  in msmfb_pan_display()
443 static void setup_fb_info(struct msmfb_info *msmfb)  in setup_fb_info()  argument
445 	struct fb_info *fb_info = msmfb->fb;  in setup_fb_info()
457 	fb_info->fix.line_length = msmfb->xres * 2;  in setup_fb_info()
459 	fb_info->var.xres = msmfb->xres;  in setup_fb_info()
460 	fb_info->var.yres = msmfb->yres;  in setup_fb_info()
461 	fb_info->var.width = msmfb->panel->fb_data->width;  in setup_fb_info()
462 	fb_info->var.height = msmfb->panel->fb_data->height;  in setup_fb_info()
463 	fb_info->var.xres_virtual = msmfb->xres;  in setup_fb_info()
464 	fb_info->var.yres_virtual = msmfb->yres * 2;  in setup_fb_info()
470 	if (msmfb->panel->caps & MSMFB_CAP_PARTIAL_UPDATES) {  in setup_fb_info()
485 		fb_info->var.reserved[2] = (uint16_t)msmfb->xres |  in setup_fb_info()
486 					   ((uint32_t)msmfb->yres << 16);  in setup_fb_info()
507 static int setup_fbmem(struct msmfb_info *msmfb, struct platform_device *pdev)  in setup_fbmem()  argument
509 	struct fb_info *fb = msmfb->fb;  in setup_fbmem()
511 	unsigned long size = msmfb->xres * msmfb->yres *  in setup_fbmem()
540 	struct msmfb_info *msmfb;  in msmfb_probe()  local
556 	msmfb = fb->par;  in msmfb_probe()
557 	msmfb->fb = fb;  in msmfb_probe()
558 	msmfb->panel = panel;  in msmfb_probe()
559 	msmfb->xres = panel->fb_data->xres;  in msmfb_probe()
560 	msmfb->yres = panel->fb_data->yres;  in msmfb_probe()
562 	ret = setup_fbmem(msmfb, pdev);  in msmfb_probe()
566 	setup_fb_info(msmfb);  in msmfb_probe()
568 	spin_lock_init(&msmfb->update_lock);  in msmfb_probe()
569 	mutex_init(&msmfb->panel_init_lock);  in msmfb_probe()
570 	init_waitqueue_head(&msmfb->frame_wq);  in msmfb_probe()
571 	INIT_WORK(&msmfb->resume_work, power_on_panel);  in msmfb_probe()
572 	msmfb->black = devm_kzalloc(&pdev->dev,  in msmfb_probe()
573 				    msmfb->fb->var.bits_per_pixel*msmfb->xres,  in msmfb_probe()
575 	if (!msmfb->black) {  in msmfb_probe()
581 	       msmfb->xres, msmfb->yres);  in msmfb_probe()
583 	msmfb->dma_callback.func = msmfb_handle_dma_interrupt;  in msmfb_probe()
584 	msmfb->vsync_callback.func = msmfb_handle_vsync_interrupt;  in msmfb_probe()
585 	hrtimer_init(&msmfb->fake_vsync, CLOCK_MONOTONIC,  in msmfb_probe()
589 	msmfb->fake_vsync.function = msmfb_fake_vsync;  in msmfb_probe()
595 	msmfb->sleeping = WAKING;  in msmfb_probe()
597 	platform_set_drvdata(pdev, msmfb);  in msmfb_probe()
604 	framebuffer_release(msmfb->fb);  in msmfb_probe()
610 	struct msmfb_info *msmfb;  in msmfb_remove()  local
612 	msmfb = platform_get_drvdata(pdev);  in msmfb_remove()
614 	unregister_framebuffer(msmfb->fb);  in msmfb_remove()
615 	iounmap(msmfb->fb->screen_base);  in msmfb_remove()
616 	framebuffer_release(msmfb->fb);  in msmfb_remove()