diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drm_compat.h | 28 | ||||
| -rw-r--r-- | linux-core/nouveau_sgdma.c | 4 | ||||
| l--------- | linux-core/nv50_grctx.h | 1 |
3 files changed, 29 insertions, 4 deletions
diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h index 88c5bb1d..585350f4 100644 --- a/linux-core/drm_compat.h +++ b/linux-core/drm_compat.h @@ -357,9 +357,24 @@ static inline int kobject_uevent_env(struct kobject *kobj, #if (defined(CONFIG_X86) && defined(CONFIG_X86_32) && defined(CONFIG_HIGHMEM)) +/* + * pgd_offset_k() is a macro that uses the symbol init_mm, + * check that it is available. + */ +# if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)) || \ + defined(CONFIG_UNUSED_SYMBOLS)) #define DRM_KMAP_ATOMIC_PROT_PFN extern void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t protection); +# else +#warning "init_mm is not available on this kernel!" +static inline void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, + pgprot_t protection) +{ + /* stub */ + return NULL; +} +# endif /* no init_mm */ #endif #if !defined(flush_agp_mappings) @@ -409,4 +424,17 @@ extern struct page *drm_vm_sg_nopage(struct vm_area_struct *vma, #endif #endif +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)) +#define set_page_locked SetPageLocked +#elif (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,27)) +/* + * The kernel provides __set_page_locked, which uses the non-atomic + * __set_bit function. Let's use the atomic set_bit just in case. + */ +static inline void set_page_locked(struct page *page) +{ + set_bit(PG_locked, &page->flags); +} +#endif + #endif diff --git a/linux-core/nouveau_sgdma.c b/linux-core/nouveau_sgdma.c index 739e0252..1163baf9 100644 --- a/linux-core/nouveau_sgdma.c +++ b/linux-core/nouveau_sgdma.c @@ -227,11 +227,7 @@ nouveau_sgdma_init(struct drm_device *dev) dev_priv->gart_info.sg_dummy_page = alloc_page(GFP_KERNEL|__GFP_DMA32); -#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)) set_page_locked(dev_priv->gart_info.sg_dummy_page); -#else - SetPageLocked(dev_priv->gart_info.sg_dummy_page); -#endif dev_priv->gart_info.sg_dummy_bus = pci_map_page(dev->pdev, dev_priv->gart_info.sg_dummy_page, 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); diff --git a/linux-core/nv50_grctx.h b/linux-core/nv50_grctx.h new file mode 120000 index 00000000..d40b9a86 --- /dev/null +++ b/linux-core/nv50_grctx.h @@ -0,0 +1 @@ +../shared-core/nv50_grctx.h
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