vserver 1.9.3

[linux-2.6.git] / drivers / char / drm / drm_vm.h

diff --git a/drivers/char/drm/drm_vm.h b/drivers/char/drm/drm_vm.h
index d7dce3a..1601447 100644 (file)
--- a/drivers/char/drm/drm_vm.h
+++ b/drivers/char/drm/drm_vm.h
@@ -46,10 +46,10 @@
  * Find the right map and if it's AGP memory find the real physical page to
  * map, get the page, increment the use count and return it.
  */
+#if __OS_HAS_AGP
 static __inline__ struct page *DRM(do_vm_nopage)(struct vm_area_struct *vma,
                                                 unsigned long address)
 {
-#if __REALLY_HAVE_AGP
        drm_file_t *priv  = vma->vm_file->private_data;
        drm_device_t *dev = priv->dev;
        drm_map_t *map    = NULL;
@@ -59,6 +59,8 @@ static __inline__ struct page *DRM(do_vm_nopage)(struct vm_area_struct *vma,
        /*
          * Find the right map
          */
+       if (!drm_core_has_AGP(dev))
+               goto vm_nopage_error;
 
        if(!dev->agp || !dev->agp->cant_use_aperture) goto vm_nopage_error;
 
@@ -107,10 +109,15 @@ static __inline__ struct page *DRM(do_vm_nopage)(struct vm_area_struct *vma,
                return page;
         }
 vm_nopage_error:
-#endif /* __REALLY_HAVE_AGP */
-
        return NOPAGE_SIGBUS;           /* Disallow mremap */
 }
+#else /* __OS_HAS_AGP */
+static __inline__ struct page *DRM(do_vm_nopage)(struct vm_area_struct *vma,
+                                                unsigned long address)
+{
+       return NOPAGE_SIGBUS;
+}
+#endif /* __OS_HAS_AGP */
 
 /**
  * \c nopage method for shared virtual memory.
@@ -201,15 +208,13 @@ void DRM(vm_shm_close)(struct vm_area_struct *vma)
                        switch (map->type) {
                        case _DRM_REGISTERS:
                        case _DRM_FRAME_BUFFER:
-#if __REALLY_HAVE_MTRR
-                               if (map->mtrr >= 0) {
+                               if (drm_core_has_MTRR(dev) && map->mtrr >= 0) {
                                        int retcode;
                                        retcode = mtrr_del(map->mtrr,
                                                           map->offset,
                                                           map->size);
                                        DRM_DEBUG("mtrr_del = %d\n", retcode);
                                }
-#endif
                                DRM(ioremapfree)(map->handle, map->size, dev);
                                break;
                        case _DRM_SHM:
@@ -488,18 +493,19 @@ int DRM(mmap_dma)(struct file *filp, struct vm_area_struct *vma)
        return 0;
 }
 
-#ifndef DRIVER_GET_MAP_OFS
-#define DRIVER_GET_MAP_OFS()   (map->offset)
-#endif
+unsigned long DRM(core_get_map_ofs)(drm_map_t *map)
+{
+       return map->offset;
+}
 
-#ifndef DRIVER_GET_REG_OFS
+unsigned long DRM(core_get_reg_ofs)(struct drm_device *dev)
+{
 #ifdef __alpha__
-#define DRIVER_GET_REG_OFS()   (dev->hose->dense_mem_base -    \
-                                dev->hose->mem_space->start)
+       return dev->hose->dense_mem_base - dev->hose->mem_space->start;
 #else
-#define DRIVER_GET_REG_OFS()   0
-#endif
+       return 0;
 #endif
+}
 
 /**
  * mmap DMA memory.
@@ -533,7 +539,7 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
         * --BenH.
         */
        if (!VM_OFFSET(vma)
-#if __REALLY_HAVE_AGP
+#if __OS_HAS_AGP
            && (!dev->agp || dev->agp->agp_info.device->vendor != PCI_VENDOR_ID_APPLE)
 #endif
            )
@@ -552,7 +558,7 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
                r_list = list_entry(list, drm_map_list_t, head);
                map = r_list->map;
                if (!map) continue;
-               off = DRIVER_GET_MAP_OFS();
+               off = dev->fn_tbl.get_map_ofs(map);
                if (off == VM_OFFSET(vma)) break;
        }
 
@@ -577,8 +583,7 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
 
        switch (map->type) {
         case _DRM_AGP:
-#if __REALLY_HAVE_AGP
-         if (dev->agp->cant_use_aperture) {
+         if (drm_core_has_AGP(dev) && dev->agp->cant_use_aperture) {
                 /*
                  * On some platforms we can't talk to bus dma address from the CPU, so for
                  * memory of type DRM_AGP, we'll deal with sorting out the real physical
@@ -590,7 +595,6 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
                 vma->vm_ops = &DRM(vm_ops);
                 break;
          }
-#endif
                 /* fall through to _DRM_FRAME_BUFFER... */        
        case _DRM_FRAME_BUFFER:
        case _DRM_REGISTERS:
@@ -609,7 +613,7 @@ int DRM(mmap)(struct file *filp, struct vm_area_struct *vma)
                if (map->type != _DRM_AGP)
                        vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
 #endif
-               offset = DRIVER_GET_REG_OFS();
+               offset = dev->fn_tbl.get_reg_ofs(dev);
 #ifdef __sparc__
                if (io_remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
                                        VM_OFFSET(vma) + offset,