merge with 2.4.10 kernel

18 files changed, 69 insertions, 98 deletions

diff --git a/linux-core/ati_pcigart.c b/linux-core/ati_pcigart.c
index d5d7c0ad..8b486c10 100644
--- a/linux-core/ati_pcigart.c
+++ b/linux-core/ati_pcigart.c
@@ -103,7 +103,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 		goto done;
 	}
 
-#if defined(__alpha__)
 	if ( !dev->pdev ) {
 		DRM_ERROR( "PCI device unknown!\n" );
 		goto done;
@@ -118,9 +117,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 		address = 0;
 		goto done;
 	}
-#else
-	bus_address = virt_to_bus( (void *)address );
-#endif
 
 	pci_gart = (u32 *)address;
 
@@ -130,7 +126,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 	memset( pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32) );
 
 	for ( i = 0 ; i < pages ; i++ ) {
-#if defined(__alpha__)
 		/* we need to support large memory configurations */
 		entry->busaddr[i] = pci_map_single(dev->pdev,
 					   page_address( entry->pagelist[i] ),
@@ -144,9 +139,7 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 			goto done;
 		}
 		page_base = (u32) entry->busaddr[i];
-#else
-		page_base = page_to_bus( entry->pagelist[i] );
-#endif
+
 		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
 			*pci_gart++ = cpu_to_le32( page_base );
 			page_base += ATI_PCIGART_PAGE_SIZE;
@@ -155,7 +148,7 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 
 	ret = 1;
 
-#if __i386__
+#if defined(__i386__) || defined(__x86_64__)
 	asm volatile ( "wbinvd" ::: "memory" );
 #else
 	mb();
@@ -171,7 +164,6 @@ int DRM(ati_pcigart_cleanup)( drm_device_t *dev,
 			      unsigned long addr,
 			      dma_addr_t bus_addr)
 {
-#if defined(__alpha__)
 	drm_sg_mem_t *entry = dev->sg;
 	unsigned long pages;
 	int i;
@@ -197,8 +189,6 @@ int DRM(ati_pcigart_cleanup)( drm_device_t *dev,
 		}
 	}
 
-#endif
-
 	if ( addr ) {
 		DRM(ati_free_pcigart_table)( addr );
 	}
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 13a21f3b..4786ba9e 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -443,6 +443,8 @@ typedef struct drm_agp_head {
 	int                acquired;
 	unsigned long      base;
    	int 		   agp_mtrr;
+	int		   cant_use_aperture;
+	unsigned long	   page_mask;
 } drm_agp_head_t;
 #endif
 
@@ -451,9 +453,7 @@ typedef struct drm_sg_mem {
 	void            *virtual;
 	int             pages;
 	struct page     **pagelist;
-#if defined(__alpha__)
 	dma_addr_t	*busaddr;
-#endif
 } drm_sg_mem_t;
 
 typedef struct drm_sigdata {
@@ -544,8 +544,8 @@ typedef struct drm_device {
 #if __REALLY_HAVE_AGP
 	drm_agp_head_t    *agp;
 #endif
-#ifdef __alpha__
 	struct pci_dev *pdev;
+#ifdef __alpha__
 #if LINUX_VERSION_CODE < 0x020403
 	struct pci_controler *hose;
 #else
diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c
index b4b85abd..28cc5a26 100644
--- a/linux-core/drm_agpsupport.c
+++ b/linux-core/drm_agpsupport.c
@@ -308,6 +308,14 @@ drm_agp_head_t *DRM(agp_init)(void)
 
 		default:		head->chipset = "Unknown";       break;
 		}
+#if LINUX_VERSION_CODE <= 0x020408
+		head->cant_use_aperture = 0;
+		head->page_mask = ~(0xfff);
+#else
+		head->cant_use_aperture = head->agp_info.cant_use_aperture;
+		head->page_mask = head->agp_info.page_mask;
+#endif
+
 		DRM_INFO("AGP %d.%d on %s @ 0x%08lx %ZuMB\n",
 			 head->agp_info.version.major,
 			 head->agp_info.version.minor,
diff --git a/linux-core/drm_context.c b/linux-core/drm_context.c
index eb4d61c8..33d6112e 100644
--- a/linux-core/drm_context.c
+++ b/linux-core/drm_context.c
@@ -181,7 +181,7 @@ int DRM(setsareactx)(struct inode *inode, struct file *filp,
 	drm_device_t	*dev	= priv->dev;
 	drm_ctx_priv_map_t request;
 	drm_map_t *map = NULL;
-	drm_map_list_t *r_list;
+	drm_map_list_t *r_list = NULL;
 	struct list_head *list;
 
 	if (copy_from_user(&request,
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index 43186632..1ae3ec25 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -220,6 +220,7 @@ static char *drm_opts = NULL;
 MODULE_AUTHOR( DRIVER_AUTHOR );
 MODULE_DESCRIPTION( DRIVER_DESC );
 MODULE_PARM( drm_opts, "s" );
+MODULE_LICENSE("GPL and additional rights");
 
 static int DRM(setup)( drm_device_t *dev )
 {
diff --git a/linux-core/drm_ioctl.c b/linux-core/drm_ioctl.c
index adcb22c8..0d8a1259 100644
--- a/linux-core/drm_ioctl.c
+++ b/linux-core/drm_ioctl.c
@@ -98,7 +98,6 @@ int DRM(setunique)(struct inode *inode, struct file *filp,
 	}
 	sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
 
-#ifdef __alpha__
 	do {
 		struct pci_dev *pci_dev;
                 int b, d, f;
@@ -116,10 +115,11 @@ int DRM(setunique)(struct inode *inode, struct file *filp,
                 pci_dev = pci_find_slot(b, PCI_DEVFN(d,f));
                 if (pci_dev) {
 			dev->pdev = pci_dev;
+#ifdef __alpha__
 			dev->hose = pci_dev->sysdata;
+#endif
 		}
         } while(0);
-#endif
 
 	return 0;
 }
diff --git a/linux-core/drm_scatter.c b/linux-core/drm_scatter.c
index f0074450..a6b8275f 100644
--- a/linux-core/drm_scatter.c
+++ b/linux-core/drm_scatter.c
@@ -47,11 +47,9 @@ void DRM(sg_cleanup)( drm_sg_mem_t *entry )
 
 	vfree( entry->virtual );
 
-#if defined(__alpha__)
 	DRM(free)( entry->busaddr,
 		   entry->pages * sizeof(*entry->busaddr),
 		   DRM_MEM_PAGES );
-#endif
 	DRM(free)( entry->pagelist,
 		   entry->pages * sizeof(*entry->pagelist),
 		   DRM_MEM_PAGES );
@@ -99,7 +97,6 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
 		return -ENOMEM;
 	}
 
-#if defined(__alpha__)
 	entry->busaddr = DRM(alloc)( pages * sizeof(*entry->busaddr),
 				     DRM_MEM_PAGES );
 	if ( !entry->busaddr ) {
@@ -112,15 +109,12 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
 		return -ENOMEM;
 	}
 	memset( (void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr) );
-#endif
 
 	entry->virtual = vmalloc_32( pages << PAGE_SHIFT );
 	if ( !entry->virtual ) {
-#if defined(__alpha__)
 		DRM(free)( entry->busaddr,
 			   entry->pages * sizeof(*entry->busaddr),
 			   DRM_MEM_PAGES );
-#endif
 		DRM(free)( entry->pagelist,
 			   entry->pages * sizeof(*entry->pagelist),
 			   DRM_MEM_PAGES );
diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c
index 43ef500a..ce66f908 100644
--- a/linux-core/drm_vm.c
+++ b/linux-core/drm_vm.c
@@ -60,7 +60,7 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 			    unsigned long address,
 			    int write_access)
 {
-#if defined(__alpha__) && __REALLY_HAVE_AGP
+#if __REALLY_HAVE_AGP
 	drm_file_t *priv  = vma->vm_file->private_data;
 	drm_device_t *dev = priv->dev;
 	drm_map_t *map    = NULL;
@@ -70,6 +70,9 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 	/*
          * Find the right map
          */
+
+	if(!dev->agp->cant_use_aperture) goto vm_nopage_error;
+
 	list_for_each(list, &dev->maplist->head) {
 		r_list = (drm_map_list_t *)list;
 		map = r_list->map;
@@ -83,10 +86,12 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 		struct drm_agp_mem *agpmem;
 		struct page *page;
 
+#if __alpha__
 		/*
-                 * Make it a bus-relative address
+                 * Adjust to a bus-relative address
                  */
 		baddr -= dev->hose->mem_space->start;
+#endif
 
 		/*
                  * It's AGP memory - find the real physical page to map
@@ -97,27 +102,24 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 				break;
 		}
 
-		if (!agpmem) {
-			/*
-                         * Oops - no memory found
-                         */
-			return NOPAGE_SIGBUS;   /* couldn't find it */
-                }
+		if (!agpmem) goto vm_nopage_error;
 
 		/*
                  * Get the page, inc the use count, and return it
                  */
 		offset = (baddr - agpmem->bound) >> PAGE_SHIFT;
-		agpmem->memory->memory[offset] &= ~1UL; /* HACK */
+		agpmem->memory->memory[offset] &= dev->agp->page_mask;
 		page = virt_to_page(__va(agpmem->memory->memory[offset]));
-#if 0
-		DRM_ERROR("baddr = 0x%lx page = 0x%lx, offset = 0x%lx\n",
-			  baddr, __va(agpmem->memory->memory[offset]), offset);
-#endif
 		get_page(page);
+
+		DRM_DEBUG("baddr = 0x%lx page = 0x%p, offset = 0x%lx\n",
+			  baddr, __va(agpmem->memory->memory[offset]), offset);
+
 		return page;
         }
-#endif
+vm_nopage_error:
+#endif /* __REALLY_HAVE_AGP */
+
 	return NOPAGE_SIGBUS;		/* Disallow mremap */
 }
 
diff --git a/linux/ati_pcigart.h b/linux/ati_pcigart.h
index d5d7c0ad..8b486c10 100644
--- a/linux/ati_pcigart.h
+++ b/linux/ati_pcigart.h
@@ -103,7 +103,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 		goto done;
 	}
 
-#if defined(__alpha__)
 	if ( !dev->pdev ) {
 		DRM_ERROR( "PCI device unknown!\n" );
 		goto done;
@@ -118,9 +117,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 		address = 0;
 		goto done;
 	}
-#else
-	bus_address = virt_to_bus( (void *)address );
-#endif
 
 	pci_gart = (u32 *)address;
 
@@ -130,7 +126,6 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 	memset( pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32) );
 
 	for ( i = 0 ; i < pages ; i++ ) {
-#if defined(__alpha__)
 		/* we need to support large memory configurations */
 		entry->busaddr[i] = pci_map_single(dev->pdev,
 					   page_address( entry->pagelist[i] ),
@@ -144,9 +139,7 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 			goto done;
 		}
 		page_base = (u32) entry->busaddr[i];
-#else
-		page_base = page_to_bus( entry->pagelist[i] );
-#endif
+
 		for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
 			*pci_gart++ = cpu_to_le32( page_base );
 			page_base += ATI_PCIGART_PAGE_SIZE;
@@ -155,7 +148,7 @@ int DRM(ati_pcigart_init)( drm_device_t *dev,
 
 	ret = 1;
 
-#if __i386__
+#if defined(__i386__) || defined(__x86_64__)
 	asm volatile ( "wbinvd" ::: "memory" );
 #else
 	mb();
@@ -171,7 +164,6 @@ int DRM(ati_pcigart_cleanup)( drm_device_t *dev,
 			      unsigned long addr,
 			      dma_addr_t bus_addr)
 {
-#if defined(__alpha__)
 	drm_sg_mem_t *entry = dev->sg;
 	unsigned long pages;
 	int i;
@@ -197,8 +189,6 @@ int DRM(ati_pcigart_cleanup)( drm_device_t *dev,
 		}
 	}
 
-#endif
-
 	if ( addr ) {
 		DRM(ati_free_pcigart_table)( addr );
 	}
diff --git a/linux/drmP.h b/linux/drmP.h
index 13a21f3b..4786ba9e 100644
--- a/linux/drmP.h
+++ b/linux/drmP.h
@@ -443,6 +443,8 @@ typedef struct drm_agp_head {
 	int                acquired;
 	unsigned long      base;
    	int 		   agp_mtrr;
+	int		   cant_use_aperture;
+	unsigned long	   page_mask;
 } drm_agp_head_t;
 #endif
 
@@ -451,9 +453,7 @@ typedef struct drm_sg_mem {
 	void            *virtual;
 	int             pages;
 	struct page     **pagelist;
-#if defined(__alpha__)
 	dma_addr_t	*busaddr;
-#endif
 } drm_sg_mem_t;
 
 typedef struct drm_sigdata {
@@ -544,8 +544,8 @@ typedef struct drm_device {
 #if __REALLY_HAVE_AGP
 	drm_agp_head_t    *agp;
 #endif
-#ifdef __alpha__
 	struct pci_dev *pdev;
+#ifdef __alpha__
 #if LINUX_VERSION_CODE < 0x020403
 	struct pci_controler *hose;
 #else
diff --git a/linux/drm_agpsupport.h b/linux/drm_agpsupport.h
index b4b85abd..28cc5a26 100644
--- a/linux/drm_agpsupport.h
+++ b/linux/drm_agpsupport.h
@@ -308,6 +308,14 @@ drm_agp_head_t *DRM(agp_init)(void)
 
 		default:		head->chipset = "Unknown";       break;
 		}
+#if LINUX_VERSION_CODE <= 0x020408
+		head->cant_use_aperture = 0;
+		head->page_mask = ~(0xfff);
+#else
+		head->cant_use_aperture = head->agp_info.cant_use_aperture;
+		head->page_mask = head->agp_info.page_mask;
+#endif
+
 		DRM_INFO("AGP %d.%d on %s @ 0x%08lx %ZuMB\n",
 			 head->agp_info.version.major,
 			 head->agp_info.version.minor,
diff --git a/linux/drm_context.h b/linux/drm_context.h
index eb4d61c8..33d6112e 100644
--- a/linux/drm_context.h
+++ b/linux/drm_context.h
@@ -181,7 +181,7 @@ int DRM(setsareactx)(struct inode *inode, struct file *filp,
 	drm_device_t	*dev	= priv->dev;
 	drm_ctx_priv_map_t request;
 	drm_map_t *map = NULL;
-	drm_map_list_t *r_list;
+	drm_map_list_t *r_list = NULL;
 	struct list_head *list;
 
 	if (copy_from_user(&request,
diff --git a/linux/drm_drv.h b/linux/drm_drv.h
index 43186632..1ae3ec25 100644
--- a/linux/drm_drv.h
+++ b/linux/drm_drv.h
@@ -220,6 +220,7 @@ static char *drm_opts = NULL;
 MODULE_AUTHOR( DRIVER_AUTHOR );
 MODULE_DESCRIPTION( DRIVER_DESC );
 MODULE_PARM( drm_opts, "s" );
+MODULE_LICENSE("GPL and additional rights");
 
 static int DRM(setup)( drm_device_t *dev )
 {
diff --git a/linux/drm_ioctl.h b/linux/drm_ioctl.h
index adcb22c8..0d8a1259 100644
--- a/linux/drm_ioctl.h
+++ b/linux/drm_ioctl.h
@@ -98,7 +98,6 @@ int DRM(setunique)(struct inode *inode, struct file *filp,
 	}
 	sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
 
-#ifdef __alpha__
 	do {
 		struct pci_dev *pci_dev;
                 int b, d, f;
@@ -116,10 +115,11 @@ int DRM(setunique)(struct inode *inode, struct file *filp,
                 pci_dev = pci_find_slot(b, PCI_DEVFN(d,f));
                 if (pci_dev) {
 			dev->pdev = pci_dev;
+#ifdef __alpha__
 			dev->hose = pci_dev->sysdata;
+#endif
 		}
         } while(0);
-#endif
 
 	return 0;
 }
diff --git a/linux/drm_scatter.h b/linux/drm_scatter.h
index f0074450..a6b8275f 100644
--- a/linux/drm_scatter.h
+++ b/linux/drm_scatter.h
@@ -47,11 +47,9 @@ void DRM(sg_cleanup)( drm_sg_mem_t *entry )
 
 	vfree( entry->virtual );
 
-#if defined(__alpha__)
 	DRM(free)( entry->busaddr,
 		   entry->pages * sizeof(*entry->busaddr),
 		   DRM_MEM_PAGES );
-#endif
 	DRM(free)( entry->pagelist,
 		   entry->pages * sizeof(*entry->pagelist),
 		   DRM_MEM_PAGES );
@@ -99,7 +97,6 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
 		return -ENOMEM;
 	}
 
-#if defined(__alpha__)
 	entry->busaddr = DRM(alloc)( pages * sizeof(*entry->busaddr),
 				     DRM_MEM_PAGES );
 	if ( !entry->busaddr ) {
@@ -112,15 +109,12 @@ int DRM(sg_alloc)( struct inode *inode, struct file *filp,
 		return -ENOMEM;
 	}
 	memset( (void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr) );
-#endif
 
 	entry->virtual = vmalloc_32( pages << PAGE_SHIFT );
 	if ( !entry->virtual ) {
-#if defined(__alpha__)
 		DRM(free)( entry->busaddr,
 			   entry->pages * sizeof(*entry->busaddr),
 			   DRM_MEM_PAGES );
-#endif
 		DRM(free)( entry->pagelist,
 			   entry->pages * sizeof(*entry->pagelist),
 			   DRM_MEM_PAGES );
diff --git a/linux/drm_vm.h b/linux/drm_vm.h
index 43ef500a..ce66f908 100644
--- a/linux/drm_vm.h
+++ b/linux/drm_vm.h
@@ -60,7 +60,7 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 			    unsigned long address,
 			    int write_access)
 {
-#if defined(__alpha__) && __REALLY_HAVE_AGP
+#if __REALLY_HAVE_AGP
 	drm_file_t *priv  = vma->vm_file->private_data;
 	drm_device_t *dev = priv->dev;
 	drm_map_t *map    = NULL;
@@ -70,6 +70,9 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 	/*
          * Find the right map
          */
+
+	if(!dev->agp->cant_use_aperture) goto vm_nopage_error;
+
 	list_for_each(list, &dev->maplist->head) {
 		r_list = (drm_map_list_t *)list;
 		map = r_list->map;
@@ -83,10 +86,12 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 		struct drm_agp_mem *agpmem;
 		struct page *page;
 
+#if __alpha__
 		/*
-                 * Make it a bus-relative address
+                 * Adjust to a bus-relative address
                  */
 		baddr -= dev->hose->mem_space->start;
+#endif
 
 		/*
                  * It's AGP memory - find the real physical page to map
@@ -97,27 +102,24 @@ struct page *DRM(vm_nopage)(struct vm_area_struct *vma,
 				break;
 		}
 
-		if (!agpmem) {
-			/*
-                         * Oops - no memory found
-                         */
-			return NOPAGE_SIGBUS;   /* couldn't find it */
-                }
+		if (!agpmem) goto vm_nopage_error;
 
 		/*
                  * Get the page, inc the use count, and return it
                  */
 		offset = (baddr - agpmem->bound) >> PAGE_SHIFT;
-		agpmem->memory->memory[offset] &= ~1UL; /* HACK */
+		agpmem->memory->memory[offset] &= dev->agp->page_mask;
 		page = virt_to_page(__va(agpmem->memory->memory[offset]));
-#if 0
-		DRM_ERROR("baddr = 0x%lx page = 0x%lx, offset = 0x%lx\n",
-			  baddr, __va(agpmem->memory->memory[offset]), offset);
-#endif
 		get_page(page);
+
+		DRM_DEBUG("baddr = 0x%lx page = 0x%p, offset = 0x%lx\n",
+			  baddr, __va(agpmem->memory->memory[offset]), offset);
+
 		return page;
         }
-#endif
+vm_nopage_error:
+#endif /* __REALLY_HAVE_AGP */
+
 	return NOPAGE_SIGBUS;		/* Disallow mremap */
 }
 
diff --git a/linux/r128_cce.c b/linux/r128_cce.c
index a78a9e69..ef11a497 100644
--- a/linux/r128_cce.c
+++ b/linux/r128_cce.c
@@ -350,20 +350,11 @@ static void r128_cce_init_ring_buffer( drm_device_t *dev,
 		tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle;
 		page_ofs = tmp_ofs >> PAGE_SHIFT;
 
-#if defined(__alpha__)
 		R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR,
      			    entry->busaddr[page_ofs]);
 		DRM_DEBUG( "ring rptr: offset=0x%08x handle=0x%08lx\n",
 			   entry->busaddr[page_ofs],
      			   entry->handle + tmp_ofs );
-#else
-		R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR,
-			    page_to_bus(entry->pagelist[page_ofs]));
-
-		DRM_DEBUG( "ring rptr: offset=0x%08x handle=0x%08lx\n",
-			   page_to_bus(entry->pagelist[page_ofs]),
-			   entry->handle + tmp_ofs );
-#endif
 	}
 
 	/* Set watermark control */
diff --git a/linux/radeon_cp.c b/linux/radeon_cp.c
index fa74e9b9..904c8b77 100644
--- a/linux/radeon_cp.c
+++ b/linux/radeon_cp.c
@@ -543,8 +543,7 @@ static int radeon_do_engine_reset( drm_device_t *dev )
 						RADEON_SOFT_RESET_RE |
 						RADEON_SOFT_RESET_PP |
 						RADEON_SOFT_RESET_E2 |
-						RADEON_SOFT_RESET_RB |
-						RADEON_SOFT_RESET_HDP ) );
+						RADEON_SOFT_RESET_RB ) );
 	RADEON_READ( RADEON_RBBM_SOFT_RESET );
 	RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset &
 						~( RADEON_SOFT_RESET_CP |
@@ -553,8 +552,7 @@ static int radeon_do_engine_reset( drm_device_t *dev )
 						   RADEON_SOFT_RESET_RE |
 						   RADEON_SOFT_RESET_PP |
 						   RADEON_SOFT_RESET_E2 |
-						   RADEON_SOFT_RESET_RB |
-						   RADEON_SOFT_RESET_HDP ) ) );
+						   RADEON_SOFT_RESET_RB ) ) );
 	RADEON_READ( RADEON_RBBM_SOFT_RESET );
 
 
@@ -622,20 +620,12 @@ static void radeon_cp_init_ring_buffer( drm_device_t *dev,
 
 		tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle;
 		page_ofs = tmp_ofs >> PAGE_SHIFT;
-#if defined(__alpha__)
+
 		RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
 			     entry->busaddr[page_ofs]);
 		DRM_DEBUG( "ring rptr: offset=0x%08x handle=0x%08lx\n",
 			   entry->busaddr[page_ofs],
 			   entry->handle + tmp_ofs );
-#else
-		RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
-			      page_to_bus(entry->pagelist[page_ofs]));
-
-		DRM_DEBUG( "ring rptr: offset=0x%08x handle=0x%08lx\n",
-			   page_to_bus(entry->pagelist[page_ofs]),
-			   entry->handle + tmp_ofs );
-#endif
 	}
 
 	/* Set ring buffer size */