Merge from trunk.

8 files changed, 41 insertions, 77 deletions

diff --git a/linux/Makefile.linux b/linux/Makefile.linux
index 7c3f1db9..4505e6c1 100644
--- a/linux/Makefile.linux
+++ b/linux/Makefile.linux
@@ -44,7 +44,7 @@ LIBS =
 DRMTEMPLATES =	drm_auth.h drm_bufs.h drm_context.h drm_dma.h drm_drawable.h \
 		drm_drv.h drm_fops.h drm_init.h drm_ioctl.h drm_lists.h \
 		drm_lock.h drm_memory.h drm_proc.h drm_stub.h drm_vm.h
-DRMHEADERS =	drm.h drmP.h
+DRMHEADERS =	drm.h drmP.h drm_sarea.h
 
 GAMMAOBJS =	gamma_drv.o gamma_dma.o
 GAMMAHEADERS =	gamma_drv.h $(DRMHEADERS) $(DRMTEMPLATES)
@@ -52,7 +52,7 @@ GAMMAHEADERS =	gamma_drv.h $(DRMHEADERS) $(DRMTEMPLATES)
 TDFXOBJS =	tdfx_drv.o
 TDFXHEADERS =	tdfx.h $(DRMHEADERS) $(DRMTEMPLATES)
 
-R128OBJS =	r128_drv.o r128_cce.o r128_state.o
+R128OBJS =	r128_drv.o r128_cce.o r128_state.o r128_irq.o
 R128HEADERS =	r128.h r128_drv.h r128_drm.h $(DRMHEADERS) $(DRMTEMPLATES)
 
 RADEONOBJS =	radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o
@@ -158,7 +158,7 @@ MODS += i810.o
 MODS += i830.o
 endif
 
-MGAOBJS =	mga_drv.o mga_dma.o mga_state.o mga_warp.o
+MGAOBJS =	mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o
 MGAHEADERS =	mga.h mga_drv.h mga_drm.h $(DRMHEADERS) $(DRMTEMPLATES)
 
 I810OBJS =	i810_drv.o i810_dma.o
diff --git a/linux/drm_ioctl.h b/linux/drm_ioctl.h
index 0d8a1259..01604e75 100644
--- a/linux/drm_ioctl.h
+++ b/linux/drm_ioctl.h
@@ -32,6 +32,7 @@
 #define __NO_VERSION__
 #include "drmP.h"
 
+
 int DRM(irq_busid)(struct inode *inode, struct file *filp,
 		   unsigned int cmd, unsigned long arg)
 {
@@ -41,8 +42,20 @@ int DRM(irq_busid)(struct inode *inode, struct file *filp,
 	if (copy_from_user(&p, (drm_irq_busid_t *)arg, sizeof(p)))
 		return -EFAULT;
 	dev = pci_find_slot(p.busnum, PCI_DEVFN(p.devnum, p.funcnum));
-	if (dev) p.irq = dev->irq;
-	else	 p.irq = 0;
+	if (!dev) {
+		DRM_ERROR("pci_find_slot failed for %d:%d:%d\n",
+			  p.busnum, p.devnum, p.funcnum);
+		p.irq = 0;
+		goto out;
+	}			
+	if (pci_enable_device(dev) != 0) {
+		DRM_ERROR("pci_enable_device failed for %d:%d:%d\n",
+			  p.busnum, p.devnum, p.funcnum);
+		p.irq = 0;
+		goto out;
+	}		
+	p.irq = dev->irq;
+ out:
 	DRM_DEBUG("%d:%d:%d => IRQ %d\n",
 		  p.busnum, p.devnum, p.funcnum, p.irq);
 	if (copy_to_user((drm_irq_busid_t *)arg, &p, sizeof(p)))
diff --git a/linux/drm_os_linux.h b/linux/drm_os_linux.h
index cf003137..e9b24356 100644
--- a/linux/drm_os_linux.h
+++ b/linux/drm_os_linux.h
@@ -74,7 +74,7 @@ do {							\
 			ret = -EBUSY;			\
 			break;				\
 		}					\
-		schedule_timeout(max(HZ/100,1));	\
+		schedule_timeout((HZ/100 > 1) ? HZ/100 : 1);	\
 		if (signal_pending(current)) {		\
 			ret = -EINTR;			\
 			break;				\
diff --git a/linux/drm_vm.h b/linux/drm_vm.h
index 52dfd594..683c0857 100644
--- a/linux/drm_vm.h
+++ b/linux/drm_vm.h
@@ -71,7 +71,7 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
          * Find the right map
          */
 
-	if(!dev->agp->cant_use_aperture) goto vm_nopage_error;
+	if(!dev->agp || !dev->agp->cant_use_aperture) goto vm_nopage_error;
 
 	list_for_each(list, &dev->maplist->head) {
 		r_list = (drm_map_list_t *)list;
@@ -408,7 +408,7 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
 
 	if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) {
 		vma->vm_flags &= VM_MAYWRITE;
-#if defined(__i386__)
+#if defined(__i386__) || defined(__x86_64__)
 		pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW;
 #else
 				/* Ye gads this is ugly.  With more thought
@@ -435,7 +435,7 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
 	case _DRM_FRAME_BUFFER:
 	case _DRM_REGISTERS:
 		if (VM_OFFSET(vma) >= __pa(high_memory)) {
-#if defined(__i386__)
+#if defined(__i386__) || defined(__x86_64__)
 			if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) {
 				pgprot_val(vma->vm_page_prot) |= _PAGE_PCD;
 				pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT;
diff --git a/linux/i810_dma.c b/linux/i810_dma.c
index 94379bb7..13f5f64f 100644
--- a/linux/i810_dma.c
+++ b/linux/i810_dma.c
@@ -26,7 +26,7 @@
  *
  * Authors: Rickard E. (Rik) Faith <faith@valinux.com>
  *	    Jeff Hartmann <jhartmann@valinux.com>
- *          Keith Whitwell <keith_whitwell@yahoo.com>
+ *          Keith Whitwell <keith@tungstengraphics.com>
  *
  */
 
@@ -269,44 +269,6 @@ static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d,
 	return retcode;
 }
 
-static unsigned long i810_alloc_page(drm_device_t *dev)
-{
-	unsigned long address;
-
-	address = __get_free_page(GFP_KERNEL);
-	if(address == 0UL)
-		return 0;
-
-#if LINUX_VERSION_CODE < 0x020409
-	atomic_inc(&virt_to_page(address)->count);
-	set_bit(PG_locked, &virt_to_page(address)->flags);
-#else
-	get_page(virt_to_page(address));
-#if LINUX_VERSION_CODE < 0x020500
-	LockPage(virt_to_page(address));
-#else
-	SetPageLocked(virt_to_page(address));
-#endif
-#endif
-	return address;
-}
-
-static void i810_free_page(drm_device_t *dev, unsigned long page)
-{
-	if (page) {
-#if LINUX_VERSION_CODE < 0x020409
-		atomic_dec(&virt_to_page(page)->count);
-		clear_bit(PG_locked, &virt_to_page(page)->flags);
-		wake_up(&virt_to_page(page)->wait);
-#else
-		struct page *p = virt_to_page(page);
-		put_page(p);
-		unlock_page(p);
-#endif
-		free_page(page);
-	}
-}
-
 static int i810_dma_cleanup(drm_device_t *dev)
 {
 	drm_device_dma_t *dma = dev->dma;
@@ -321,7 +283,9 @@ static int i810_dma_cleanup(drm_device_t *dev)
 					 dev_priv->ring.Size);
 		}
 	   	if(dev_priv->hw_status_page != 0UL) {
-		   	i810_free_page(dev, dev_priv->hw_status_page);
+		   	pci_free_consistent(dev->pdev, PAGE_SIZE,
+					    (void *)dev_priv->hw_status_page,
+					    dev_priv->dma_status_page);
 		   	/* Need to rewrite hardware status page */
 		   	I810_WRITE(0x02080, 0x1ffff000);
 		}
@@ -481,7 +445,9 @@ static int i810_dma_initialize(drm_device_t *dev,
 	dev_priv->zi1 = init->depth_offset | init->pitch_bits;
 
    	/* Program Hardware Status Page */
-   	dev_priv->hw_status_page = i810_alloc_page(dev);
+   	dev_priv->hw_status_page =
+		(unsigned long) pci_alloc_consistent(dev->pdev, PAGE_SIZE,
+						&dev_priv->dma_status_page);
    	if(dev_priv->hw_status_page == 0UL) {
 		dev->dev_private = (void *)dev_priv;
 		i810_dma_cleanup(dev);
@@ -491,7 +457,7 @@ static int i810_dma_initialize(drm_device_t *dev,
    	memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE);
    	DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page);
 
-   	I810_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page));
+	I810_WRITE(0x02080, dev_priv->dma_status_page);
    	DRM_DEBUG("Enabled hardware status page\n");
 
    	/* Now we need to init our freelist */
diff --git a/linux/i810_drv.h b/linux/i810_drv.h
index 99165cf8..106abf56 100644
--- a/linux/i810_drv.h
+++ b/linux/i810_drv.h
@@ -64,6 +64,8 @@ typedef struct drm_i810_private {
       	unsigned long hw_status_page;
    	unsigned long counter;
 
+	dma_addr_t dma_status_page;
+
 	drm_buf_t *mmap_buffer;
 
 
diff --git a/linux/i830_dma.c b/linux/i830_dma.c
index 70884373..d29e21cb 100644
--- a/linux/i830_dma.c
+++ b/linux/i830_dma.c
@@ -272,29 +272,6 @@ static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d,
 	return retcode;
 }
 
-static unsigned long i830_alloc_page(drm_device_t *dev)
-{
-	unsigned long address;
-   
-	address = __get_free_page(GFP_KERNEL);
-	if(address == 0UL) 
-		return 0;
-	
-	get_page(virt_to_page(address));
-	LockPage(virt_to_page(address));
-	return address;
-}
-
-static void i830_free_page(drm_device_t *dev, unsigned long page)
-{
-	if (page) {
-		struct page *p = virt_to_page(page);
-		put_page(p);
-		UnlockPage(p);
-		free_page(page);
-	}
-}
-
 static int i830_dma_cleanup(drm_device_t *dev)
 {
 	drm_device_dma_t *dma = dev->dma;
@@ -309,7 +286,9 @@ static int i830_dma_cleanup(drm_device_t *dev)
 					 dev_priv->ring.Size);
 		}
 	   	if(dev_priv->hw_status_page != 0UL) {
-		   	i830_free_page(dev, dev_priv->hw_status_page);
+		   	pci_free_consistent(dev->pdev, PAGE_SIZE,
+					    (void *)dev_priv->hw_status_page,
+					    dev_priv->dma_status_page);
 		   	/* Need to rewrite hardware status page */
 		   	I830_WRITE(0x02080, 0x1ffff000);
 		}
@@ -483,7 +462,9 @@ static int i830_dma_initialize(drm_device_t *dev,
 	dev_priv->depth_pitch = init->depth_pitch;
 
    	/* Program Hardware Status Page */
-   	dev_priv->hw_status_page = i830_alloc_page(dev);
+   	dev_priv->hw_status_page =
+		(unsigned long) pci_alloc_consistent(dev->pdev, PAGE_SIZE,
+						&dev_priv->dma_status_page);
    	if(dev_priv->hw_status_page == 0UL) {
 		dev->dev_private = (void *)dev_priv;
 		i830_dma_cleanup(dev);
@@ -493,7 +474,7 @@ static int i830_dma_initialize(drm_device_t *dev,
    	memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE);
 	DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page);
    
-   	I830_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page));
+	I830_WRITE(0x02080, dev_priv->dma_status_page);
 	DRM_DEBUG("Enabled hardware status page\n");
    
    	/* Now we need to init our freelist */
diff --git a/linux/i830_drv.h b/linux/i830_drv.h
index 527d0ce3..eec640ca 100644
--- a/linux/i830_drv.h
+++ b/linux/i830_drv.h
@@ -64,6 +64,8 @@ typedef struct drm_i830_private {
       	unsigned long hw_status_page;
    	unsigned long counter;
 
+	dma_addr_t dma_status_page;
+
 	drm_buf_t *mmap_buffer;
 	
 	u32 front_di1, back_di1, zi1;