53 static irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg)  in radeon_driver_irq_handler_kms()  argument
128 	spin_lock_irqsave(&rdev->irq.lock, irqflags);  in radeon_driver_irq_preinstall_kms()
131 		atomic_set(&rdev->irq.ring_int[i], 0);  in radeon_driver_irq_preinstall_kms()
132 	rdev->irq.dpm_thermal = false;  in radeon_driver_irq_preinstall_kms()
134 		rdev->irq.hpd[i] = false;  in radeon_driver_irq_preinstall_kms()
136 		rdev->irq.crtc_vblank_int[i] = false;  in radeon_driver_irq_preinstall_kms()
137 		atomic_set(&rdev->irq.pflip[i], 0);  in radeon_driver_irq_preinstall_kms()
138 		rdev->irq.afmt[i] = false;  in radeon_driver_irq_preinstall_kms()
141 	spin_unlock_irqrestore(&rdev->irq.lock, irqflags);  in radeon_driver_irq_preinstall_kms()
182 	spin_lock_irqsave(&rdev->irq.lock, irqflags);  in radeon_driver_irq_uninstall_kms()
185 		atomic_set(&rdev->irq.ring_int[i], 0);  in radeon_driver_irq_uninstall_kms()
186 	rdev->irq.dpm_thermal = false;  in radeon_driver_irq_uninstall_kms()
188 		rdev->irq.hpd[i] = false;  in radeon_driver_irq_uninstall_kms()
190 		rdev->irq.crtc_vblank_int[i] = false;  in radeon_driver_irq_uninstall_kms()
191 		atomic_set(&rdev->irq.pflip[i], 0);  in radeon_driver_irq_uninstall_kms()
192 		rdev->irq.afmt[i] = false;  in radeon_driver_irq_uninstall_kms()
195 	spin_unlock_irqrestore(&rdev->irq.lock, irqflags);  in radeon_driver_irq_uninstall_kms()
198 static int radeon_irq_install(struct radeon_device *rdev, int irq)  in radeon_irq_install()  argument
203 	if (irq == IRQ_NOTCONNECTED)  in radeon_irq_install()
209 	ret = request_irq(irq, radeon_driver_irq_handler_kms,  in radeon_irq_install()
225 	free_irq(pdev->irq, dev);  in radeon_irq_uninstall()
322 	spin_lock_init(&rdev->irq.lock);  in radeon_irq_kms_init()
347 	rdev->irq.installed = true;  in radeon_irq_kms_init()
348 	r = radeon_irq_install(rdev, rdev->pdev->irq);  in radeon_irq_kms_init()
350 		rdev->irq.installed = false;  in radeon_irq_kms_init()
368 	if (rdev->irq.installed) {  in radeon_irq_kms_fini()
370 		rdev->irq.installed = false;  in radeon_irq_kms_fini()
391 	if (!rdev->irq.installed)  in radeon_irq_kms_sw_irq_get()
394 	if (atomic_inc_return(&rdev->irq.ring_int[ring]) == 1) {  in radeon_irq_kms_sw_irq_get()
395 		spin_lock_irqsave(&rdev->irq.lock, irqflags);  in radeon_irq_kms_sw_irq_get()
397 		spin_unlock_irqrestore(&rdev->irq.lock, irqflags);  in radeon_irq_kms_sw_irq_get()
413 	return atomic_inc_return(&rdev->irq.ring_int[ring]) == 1;  in radeon_irq_kms_sw_irq_get_delayed()
430 	if (!rdev->irq.installed)  in radeon_irq_kms_sw_irq_put()
433 	if (atomic_dec_and_test(&rdev->irq.ring_int[ring])) {  in radeon_irq_kms_sw_irq_put()
434 		spin_lock_irqsave(&rdev->irq.lock, irqflags);  in radeon_irq_kms_sw_irq_put()
436 		spin_unlock_irqrestore(&rdev->irq.lock, irqflags);  in radeon_irq_kms_sw_irq_put()
456 	if (!rdev->irq.installed)  in radeon_irq_kms_pflip_irq_get()
459 	if (atomic_inc_return(&rdev->irq.pflip[crtc]) == 1) {  in radeon_irq_kms_pflip_irq_get()
460 		spin_lock_irqsave(&rdev->irq.lock, irqflags);  in radeon_irq_kms_pflip_irq_get()
462 		spin_unlock_irqrestore(&rdev->irq.lock, irqflags);  in radeon_irq_kms_pflip_irq_get()
482 	if (!rdev->irq.installed)  in radeon_irq_kms_pflip_irq_put()
485 	if (atomic_dec_and_test(&rdev->irq.pflip[crtc])) {  in radeon_irq_kms_pflip_irq_put()
486 		spin_lock_irqsave(&rdev->irq.lock, irqflags);  in radeon_irq_kms_pflip_irq_put()
488 		spin_unlock_irqrestore(&rdev->irq.lock, irqflags);  in radeon_irq_kms_pflip_irq_put()
504 	if (!rdev->irq.installed)  in radeon_irq_kms_enable_afmt()
507 	spin_lock_irqsave(&rdev->irq.lock, irqflags);  in radeon_irq_kms_enable_afmt()
508 	rdev->irq.afmt[block] = true;  in radeon_irq_kms_enable_afmt()
510 	spin_unlock_irqrestore(&rdev->irq.lock, irqflags);  in radeon_irq_kms_enable_afmt()
526 	if (!rdev->irq.installed)  in radeon_irq_kms_disable_afmt()
529 	spin_lock_irqsave(&rdev->irq.lock, irqflags);  in radeon_irq_kms_disable_afmt()
530 	rdev->irq.afmt[block] = false;  in radeon_irq_kms_disable_afmt()
532 	spin_unlock_irqrestore(&rdev->irq.lock, irqflags);  in radeon_irq_kms_disable_afmt()
548 	if (!rdev->irq.installed)  in radeon_irq_kms_enable_hpd()
551 	spin_lock_irqsave(&rdev->irq.lock, irqflags);  in radeon_irq_kms_enable_hpd()
553 		rdev->irq.hpd[i] |= !!(hpd_mask & (1 << i));  in radeon_irq_kms_enable_hpd()
555 	spin_unlock_irqrestore(&rdev->irq.lock, irqflags);  in radeon_irq_kms_enable_hpd()
571 	if (!rdev->irq.installed)  in radeon_irq_kms_disable_hpd()
574 	spin_lock_irqsave(&rdev->irq.lock, irqflags);  in radeon_irq_kms_disable_hpd()
576 		rdev->irq.hpd[i] &= !(hpd_mask & (1 << i));  in radeon_irq_kms_disable_hpd()
578 	spin_unlock_irqrestore(&rdev->irq.lock, irqflags);  in radeon_irq_kms_disable_hpd()