drm/nv04-nv40: register vblank isr

Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nouveau_irq.c

@@ -1131,20 +1131,6 @@ nv50_pgraph_irq_handler(struct drm_device *dev)
 		nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
 }
 
-static void
-nouveau_crtc_irq_handler(struct drm_device *dev, int crtc)
-{
-	if (crtc & 1) {
-		nv_wr32(dev, NV_CRTC0_INTSTAT, NV_CRTC_INTR_VBLANK);
-		drm_handle_vblank(dev, 0);
-	}
-
-	if (crtc & 2) {
-		nv_wr32(dev, NV_CRTC1_INTSTAT, NV_CRTC_INTR_VBLANK);
-		drm_handle_vblank(dev, 1);
-	}
-}
-
 irqreturn_t
 nouveau_irq_handler(DRM_IRQ_ARGS)
 {
@@ -1174,11 +1160,6 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
 		status &= ~NV_PMC_INTR_0_PGRAPH_PENDING;
 	}
 
-	if (status & NV_PMC_INTR_0_CRTCn_PENDING) {
-		nouveau_crtc_irq_handler(dev, (status>>24)&3);
-		status &= ~NV_PMC_INTR_0_CRTCn_PENDING;
-	}
-
 	for (i = 0; i < 32 && status; i++) {
 		if (!(status & (1 << i)) || !dev_priv->irq_handler[i])
 			continue;

drivers/gpu/drm/nouveau/nv04_display.c

@@ -32,6 +32,9 @@
 #include "nouveau_encoder.h"
 #include "nouveau_connector.h"
 
+static void nv04_vblank_crtc0_isr(struct drm_device *);
+static void nv04_vblank_crtc1_isr(struct drm_device *);
+
 static void
 nv04_display_store_initial_head_owner(struct drm_device *dev)
 {
@@ -197,6 +200,8 @@ nv04_display_create(struct drm_device *dev)
 		func->save(encoder);
 	}
 
+	nouveau_irq_register(dev, 24, nv04_vblank_crtc0_isr);
+	nouveau_irq_register(dev, 25, nv04_vblank_crtc1_isr);
 	return 0;
 }
 
@@ -258,3 +263,16 @@ nv04_display_init(struct drm_device *dev)
 	return 0;
 }
 
+static void
+nv04_vblank_crtc0_isr(struct drm_device *dev)
+{
+	nv_wr32(dev, NV_CRTC0_INTSTAT, NV_CRTC_INTR_VBLANK);
+	drm_handle_vblank(dev, 0);
+}
+
+static void
+nv04_vblank_crtc1_isr(struct drm_device *dev)
+{
+	nv_wr32(dev, NV_CRTC1_INTSTAT, NV_CRTC_INTR_VBLANK);
+	drm_handle_vblank(dev, 1);
+}