diff options
| author | Alan Hourihane <alanh@tungstengraphics.com> | 2008-02-05 10:10:36 +0000 |
|---|---|---|
| committer | Alan Hourihane <alanh@tungstengraphics.com> | 2008-02-05 10:10:36 +0000 |
| commit | 7cc825f5946659ad586fd4aa4fd867a1373f3373 (patch) | |
| tree | d87f4a6961d15c857d9fab00bcfd6a0bea51af53 /linux-core | |
| parent | c9772f8c037667ed3586337f90904e7978f8ab14 (diff) | |
Add missing round_jiffies_relative() for older kernels
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/ati_pcigart.c | 3 | ||||
| -rw-r--r-- | linux-core/drm_compat.c | 35 | ||||
| -rw-r--r-- | linux-core/drm_compat.h | 4 |
3 files changed, 41 insertions, 1 deletions
diff --git a/linux-core/ati_pcigart.c b/linux-core/ati_pcigart.c index c669067b..97a5dfb2 100644 --- a/linux-core/ati_pcigart.c +++ b/linux-core/ati_pcigart.c @@ -274,7 +274,8 @@ static int ati_pcigart_needs_unbind_cache_adjust(struct drm_ttm_backend *backend static int ati_pcigart_populate(struct drm_ttm_backend *backend, unsigned long num_pages, - struct page **pages) + struct page **pages, + struct page *dummy_page) { ati_pcigart_ttm_backend_t *atipci_be = container_of(backend, ati_pcigart_ttm_backend_t, backend); diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c index a745a7d9..cd4ff7df 100644 --- a/linux-core/drm_compat.c +++ b/linux-core/drm_compat.c @@ -729,3 +729,38 @@ void *idr_replace(struct idr *idp, void *ptr, int id) } EXPORT_SYMBOL(idr_replace); #endif + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)) +static __inline__ unsigned long __round_jiffies(unsigned long j, int cpu) +{ + int rem; + unsigned long original = j; + + j += cpu * 3; + + rem = j % HZ; + + if (rem < HZ/4) /* round down */ + j = j - rem; + else /* round up */ + j = j - rem + HZ; + + /* now that we have rounded, subtract the extra skew again */ + j -= cpu * 3; + + if (j <= jiffies) /* rounding ate our timeout entirely; */ + return original; + return j; +} + +static __inline__ unsigned long __round_jiffies_relative(unsigned long j, int cpu) +{ + return __round_jiffies(j + jiffies, cpu) - jiffies; +} + +unsigned long round_jiffies_relative(unsigned long j) +{ + return __round_jiffies_relative(j, raw_smp_processor_id()); +} +EXPORT_SYMBOL(round_jiffies_relative); +#endif diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h index c3a70486..92dcbc21 100644 --- a/linux-core/drm_compat.h +++ b/linux-core/drm_compat.h @@ -331,4 +331,8 @@ void idr_remove_all(struct idr *idp); void *idr_replace(struct idr *idp, void *ptr, int id); #endif +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)) +extern unsigned long round_jiffies_relative(unsigned long j); +#endif + #endif |