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| author | Keith Whitwell <keith@tungstengraphics.com> | 2002-05-16 23:47:15 +0000 |
|---|---|---|
| committer | Keith Whitwell <keith@tungstengraphics.com> | 2002-05-16 23:47:15 +0000 |
| commit | 9e67da5626b683df58f2041fdb0f743eb4da7036 (patch) | |
| tree | 899477e18e99e9b620e27961de58c0664b218825 /linux-core/i810_dma.c | |
| parent | 3903e5ac94c07cf31f0bc24eff5011ef8cc7afba (diff) | |
Allow drm to build under 2.4 and 2.5(.14)
Diffstat (limited to 'linux-core/i810_dma.c')
| -rw-r--r-- | linux-core/i810_dma.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c index 815633b6..6722acd2 100644 --- a/linux-core/i810_dma.c +++ b/linux-core/i810_dma.c @@ -159,7 +159,7 @@ int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) buf_priv->currently_mapped = I810_BUF_MAPPED; unlock_kernel(); - if (remap_page_range(vma->vm_start, + if (remap_page_range(DRM_RPR_ARG(vma) vma->vm_start, VM_OFFSET(vma), vma->vm_end - vma->vm_start, vma->vm_page_prot)) return -EAGAIN; @@ -270,22 +270,30 @@ static unsigned long i810_alloc_page(drm_device_t *dev) if(address == 0UL) return 0; +#if LINUX_VERSION_CODE < 0x020500 atomic_inc(&virt_to_page(address)->count); set_bit(PG_locked, &virt_to_page(address)->flags); - +#else + get_page(virt_to_page(address)); + SetPageLocked(virt_to_page(address)); +#endif return address; } static void i810_free_page(drm_device_t *dev, unsigned long page) { - if(page == 0UL) - return; - - atomic_dec(&virt_to_page(page)->count); - clear_bit(PG_locked, &virt_to_page(page)->flags); - wake_up(&virt_to_page(page)->wait); - free_page(page); - return; + if (page) { +#if LINUX_VERSION_CODE < 0x020500 + 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) |