dev/drm/i915_irq.c

60 i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
63 	if ((dev_priv->irq_mask_reg & mask) != 0) {
64 		dev_priv->irq_mask_reg &= ~mask;
65 		I915_WRITE(IMR, dev_priv->irq_mask_reg);
71 i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
74 	if ((dev_priv->irq_mask_reg & mask) != mask) {
75 		dev_priv->irq_mask_reg |= mask;
76 		I915_WRITE(IMR, dev_priv->irq_mask_reg);
92 i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask)
94 	if ((dev_priv->pipestat[pipe] & mask) != mask) {
97 		dev_priv->pipestat[pipe] |= mask;
99 		I915_WRITE(reg, dev_priv->pipestat[pipe] | (mask >> 16));
105 i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask)
107 	if ((dev_priv->pipestat[pipe] & mask) != 0) {
110 		dev_priv->pipestat[pipe] &= ~mask;
111 		I915_WRITE(reg, dev_priv->pipestat[pipe]);
128 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
142 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
176 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
190 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
215 		DRM_SPINLOCK(&dev_priv->user_irq_lock);
231 		DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
239 		if (dev_priv->sarea_priv)
240 			dev_priv->sarea_priv->last_dispatch =
241 			    READ_BREADCRUMB(dev_priv);
244 			DRM_WAKEUP(&dev_priv->irq_queue);
274 	drm_i915_private_t *dev_priv = dev->dev_private;
279 	if (++dev_priv->counter > 0x7FFFFFFFUL)
280 		dev_priv->counter = 0;
281 	if (dev_priv->sarea_priv)
282 		dev_priv->sarea_priv->last_enqueue = dev_priv->counter;
284 	DRM_DEBUG("emitting: %d\n", dev_priv->counter);
289 	OUT_RING(dev_priv->counter);
293 	return dev_priv->counter;
298 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
304 	DRM_SPINLOCK(&dev_priv->user_irq_lock);
305 	if (++dev_priv->user_irq_refcount == 1)
306 		i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
307 	DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
312 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
317 	DRM_SPINLOCK(&dev_priv->user_irq_lock);
318 	KASSERT(dev_priv->user_irq_refcount > 0, ("invalid refcount"));
319 	if (--dev_priv->user_irq_refcount == 0)
320 		i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
321 	DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
326 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
329 	if (READ_BREADCRUMB(dev_priv) >= irq_nr) {
330 		if (dev_priv->sarea_priv) {
331 			dev_priv->sarea_priv->last_dispatch =
332 				READ_BREADCRUMB(dev_priv);
337 	if (dev_priv->sarea_priv)
338 		dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
341 		  READ_BREADCRUMB(dev_priv));
344 	DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
345 		    READ_BREADCRUMB(dev_priv) >= irq_nr);
353 			  READ_BREADCRUMB(dev_priv), (int)dev_priv->counter);
364 	drm_i915_private_t *dev_priv = dev->dev_private;
368 	if (!dev_priv) {
390 	drm_i915_private_t *dev_priv = dev->dev_private;
393 	if (!dev_priv) {
406 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
411 	DRM_SPINLOCK(&dev_priv->user_irq_lock);
413 		i915_enable_pipestat(dev_priv, pipe,
416 		i915_enable_pipestat(dev_priv, pipe,
418 	DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
427 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
429 	DRM_SPINLOCK(&dev_priv->user_irq_lock);
430 	i915_disable_pipestat(dev_priv, pipe,
433 	DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
441 	drm_i915_private_t *dev_priv = dev->dev_private;
443 	if (!dev_priv) {
454 	drm_i915_private_t *dev_priv = dev->dev_private;
457 	if (!dev_priv) {
494 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
506 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
508 	dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
511 	dev_priv->irq_mask_reg = ~I915_INTERRUPT_ENABLE_FIX;
521 	I915_WRITE(IMR, dev_priv->irq_mask_reg);
522 	I915_WRITE(PIPEASTAT, dev_priv->pipestat[0] |
523 	    (dev_priv->pipestat[0] >> 16));
524 	I915_WRITE(PIPEBSTAT, dev_priv->pipestat[1] |
525 	    (dev_priv->pipestat[1] >> 16));
533 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
535 	if (!dev_priv)
538 	dev_priv->vblank_pipe = 0;