Merge branch 'master' into vblank-rework, including mach64 support

Conflicts:

	linux-core/drmP.h
	linux-core/drm_drv.c
	shared-core/i915_drv.h
	shared-core/i915_irq.c
	shared-core/mga_irq.c
	shared-core/radeon_irq.c
	shared-core/via_irq.c

Mostly trivial conflicts.

mach64 support from Mathieu Bérard.

1 files changed, 38 insertions, 46 deletions

diff --git a/shared-core/via_irq.c b/shared-core/via_irq.c
index a1d33248..b8e652e6 100644
--- a/shared-core/via_irq.c
+++ b/shared-core/via_irq.c
@@ -63,7 +63,7 @@
 /*
  * Device-specific IRQs go here. This type might need to be extended with
  * the register if there are multiple IRQ control registers.
- * Currently we activate the HQV interrupts of  Unichrome Pro group A. 
+ * Currently we activate the HQV interrupts of  Unichrome Pro group A.
  */
 
 static maskarray_t via_pro_group_a_irqs[] = {
@@ -71,30 +71,29 @@ static maskarray_t via_pro_group_a_irqs[] = {
 	 0x00000000 },
 	{VIA_IRQ_HQV1_ENABLE, VIA_IRQ_HQV1_PENDING, 0x000013D0, 0x00008010,
 	 0x00000000 },
-	{VIA_IRQ_DMA0_TD_ENABLE, VIA_IRQ_DMA0_TD_PENDING, VIA_PCI_DMA_CSR0, 
+	{VIA_IRQ_DMA0_TD_ENABLE, VIA_IRQ_DMA0_TD_PENDING, VIA_PCI_DMA_CSR0,
 	 VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008},
 	{VIA_IRQ_DMA1_TD_ENABLE, VIA_IRQ_DMA1_TD_PENDING, VIA_PCI_DMA_CSR1,
 	 VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008},
 };
-static int via_num_pro_group_a =
-    sizeof(via_pro_group_a_irqs)/sizeof(maskarray_t);
+static int via_num_pro_group_a = ARRAY_SIZE(via_pro_group_a_irqs);
 static int via_irqmap_pro_group_a[] = {0, 1, -1, 2, -1, 3};
 
 static maskarray_t via_unichrome_irqs[] = {
-	{VIA_IRQ_DMA0_TD_ENABLE, VIA_IRQ_DMA0_TD_PENDING, VIA_PCI_DMA_CSR0, 
+	{VIA_IRQ_DMA0_TD_ENABLE, VIA_IRQ_DMA0_TD_PENDING, VIA_PCI_DMA_CSR0,
 	 VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008},
 	{VIA_IRQ_DMA1_TD_ENABLE, VIA_IRQ_DMA1_TD_PENDING, VIA_PCI_DMA_CSR1,
 	 VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008}
 };
-static int via_num_unichrome = sizeof(via_unichrome_irqs)/sizeof(maskarray_t);
+static int via_num_unichrome = ARRAY_SIZE(via_unichrome_irqs);
 static int via_irqmap_unichrome[] = {-1, -1, -1, 0, -1, 1};
 
 
-static unsigned time_diff(struct timeval *now,struct timeval *then) 
+static unsigned time_diff(struct timeval *now,struct timeval *then)
 {
-    return (now->tv_usec >= then->tv_usec) ?
-	now->tv_usec - then->tv_usec :
-	1000000 - (then->tv_usec - now->tv_usec);
+	return (now->tv_usec >= then->tv_usec) ?
+		now->tv_usec - then->tv_usec :
+		1000000 - (then->tv_usec - now->tv_usec);
 }
 
 u32 via_get_vblank_counter(struct drm_device *dev, int crtc)
@@ -126,7 +125,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
 			microtime(&cur_vblank);
 #endif
 			if (dev_priv->last_vblank_valid) {
-				dev_priv->usec_per_vblank = 
+				dev_priv->usec_per_vblank =
 					time_diff(&cur_vblank,
 						  &dev_priv->last_vblank) >> 4;
 			}
@@ -135,16 +134,16 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
 		}
 		if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) {
 			DRM_DEBUG("US per vblank is: %u\n",
-				dev_priv->usec_per_vblank);
+				  dev_priv->usec_per_vblank);
 		}
 		drm_handle_vblank(dev, 0);
 		handled = 1;
 	}
-	
-	for (i=0; i<dev_priv->num_irqs; ++i) {
+
+	for (i = 0; i < dev_priv->num_irqs; ++i) {
 		if (status & cur_irq->pending_mask) {
-			atomic_inc( &cur_irq->irq_received );
-			DRM_WAKEUP( &cur_irq->irq_queue );
+			atomic_inc(&cur_irq->irq_received);
+			DRM_WAKEUP(&cur_irq->irq_queue);
 			handled = 1;
 #ifdef VIA_HAVE_DMABLIT
 			if (dev_priv->irq_map[drm_via_irq_dma0_td] == i) {
@@ -156,7 +155,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
 		}
 		cur_irq++;
 	}
-	
+
 	/* Acknowlege interrupts */
 	VIA_WRITE(VIA_REG_INTERRUPT, status);
 
@@ -174,7 +173,7 @@ static __inline__ void viadrv_acknowledge_irqs(drm_via_private_t * dev_priv)
 	if (dev_priv) {
 		/* Acknowlege interrupts */
 		status = VIA_READ(VIA_REG_INTERRUPT);
-		VIA_WRITE(VIA_REG_INTERRUPT, status | 
+		VIA_WRITE(VIA_REG_INTERRUPT, status |
 			  dev_priv->irq_pending_mask);
 	}
 }
@@ -198,11 +197,6 @@ void via_disable_vblank(struct drm_device *dev, int crtc)
 {
 	if (crtc != 0)
 		DRM_ERROR("%s:  bad crtc %d\n", __FUNCTION__, crtc);
-
-	/*
-	 * FIXME: implement proper interrupt disable by using the vblank
-	 * counter register (if available).
-	 */
 }
 
 static int
@@ -216,24 +210,23 @@ via_driver_irq_wait(struct drm_device * dev, unsigned int irq, int force_sequenc
 	maskarray_t *masks;
 	int real_irq;
 
-	DRM_DEBUG("%s\n", __FUNCTION__);
+	DRM_DEBUG("\n");
 
 	if (!dev_priv) {
-		DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+		DRM_ERROR("called with no initialization\n");
 		return -EINVAL;
 	}
 
-	if (irq >= drm_via_irq_num ) {
-		DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__,
-			  irq);
+	if (irq >= drm_via_irq_num) {
+		DRM_ERROR("Trying to wait on unknown irq %d\n", irq);
 		return -EINVAL;
 	}
-		
+
 	real_irq = dev_priv->irq_map[irq];
 
 	if (real_irq < 0) {
-		DRM_ERROR("%s Video IRQ %d not available on this hardware.\n",
-			  __FUNCTION__, irq);
+		DRM_ERROR("Video IRQ %d not available on this hardware.\n",
+			  irq);
 		return -EINVAL;
 	}
 
@@ -242,14 +235,14 @@ via_driver_irq_wait(struct drm_device * dev, unsigned int irq, int force_sequenc
 
 	if (masks[real_irq][2] && !force_sequence) {
 		DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
-			    ((VIA_READ(masks[irq][2]) & masks[irq][3]) == 
+			    ((VIA_READ(masks[irq][2]) & masks[irq][3]) ==
 			     masks[irq][4]));
 		cur_irq_sequence = atomic_read(&cur_irq->irq_received);
 	} else {
 		DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ,
 			    (((cur_irq_sequence =
 			       atomic_read(&cur_irq->irq_received)) -
-			      *sequence) <= (1 << 23)));		
+			      *sequence) <= (1 << 23)));
 	}
 	*sequence = cur_irq_sequence;
 	return ret;
@@ -267,7 +260,7 @@ void via_driver_irq_preinstall(struct drm_device * dev)
 	drm_via_irq_t *cur_irq;
 	int i;
 
-	DRM_DEBUG("driver_irq_preinstall: dev_priv: %p\n", dev_priv);
+	DRM_DEBUG("dev_priv: %p\n", dev_priv);
 	if (dev_priv) {
 		cur_irq = dev_priv->via_irqs;
 
@@ -285,25 +278,25 @@ void via_driver_irq_preinstall(struct drm_device * dev)
 			dev_priv->irq_map = via_irqmap_unichrome;
 		}
 
-		for(i=0; i < dev_priv->num_irqs; ++i) {
+		for (i = 0; i < dev_priv->num_irqs; ++i) {
 			atomic_set(&cur_irq->irq_received, 0);
-			cur_irq->enable_mask = dev_priv->irq_masks[i][0]; 
+			cur_irq->enable_mask = dev_priv->irq_masks[i][0];
 			cur_irq->pending_mask = dev_priv->irq_masks[i][1];
-			DRM_INIT_WAITQUEUE( &cur_irq->irq_queue );
+			DRM_INIT_WAITQUEUE(&cur_irq->irq_queue);
 			dev_priv->irq_enable_mask |= cur_irq->enable_mask;
 			dev_priv->irq_pending_mask |= cur_irq->pending_mask;
 			cur_irq++;
-			
+
 			DRM_DEBUG("Initializing IRQ %d\n", i);
 		}
-			
+
 		dev_priv->last_vblank_valid = 0;
 
 		/* Clear VSync interrupt regs */
 		status = VIA_READ(VIA_REG_INTERRUPT);
-		VIA_WRITE(VIA_REG_INTERRUPT, status & 
+		VIA_WRITE(VIA_REG_INTERRUPT, status &
 			  ~(dev_priv->irq_enable_mask));
-		
+
 		/* Clear bits if they're already high */
 		viadrv_acknowledge_irqs(dev_priv);
 	}
@@ -334,7 +327,7 @@ void via_driver_irq_uninstall(struct drm_device * dev)
 	drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
 	u32 status;
 
-	DRM_DEBUG("driver_irq_uninstall)\n");
+	DRM_DEBUG("\n");
 	if (dev_priv) {
 
 		/* Some more magic, oh for some data sheets ! */
@@ -343,7 +336,7 @@ void via_driver_irq_uninstall(struct drm_device * dev)
 		VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) & ~0x30);
 
 		status = VIA_READ(VIA_REG_INTERRUPT);
-		VIA_WRITE(VIA_REG_INTERRUPT, status & 
+		VIA_WRITE(VIA_REG_INTERRUPT, status &
 			  ~(VIA_IRQ_VBLANK_ENABLE | dev_priv->irq_enable_mask));
 	}
 }
@@ -361,7 +354,7 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv)
 		return -EINVAL;
 
 	if (irqwait->request.irq >= dev_priv->num_irqs) {
-		DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__, 
+		DRM_ERROR("Trying to wait on unknown irq %d\n",
 			  irqwait->request.irq);
 		return -EINVAL;
 	}
@@ -380,8 +373,7 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv)
 	}
 
 	if (irqwait->request.type & VIA_IRQ_SIGNAL) {
-		DRM_ERROR("%s Signals on Via IRQs not implemented yet.\n", 
-			  __FUNCTION__);
+		DRM_ERROR("Signals on Via IRQs not implemented yet.\n");
 		return -EINVAL;
 	}