diff options
Diffstat (limited to 'linux-core/drm_bufs.c')
| -rw-r--r-- | linux-core/drm_bufs.c | 34 |
1 files changed, 5 insertions, 29 deletions
diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c index 88ca09ce..602dd3f8 100644 --- a/linux-core/drm_bufs.c +++ b/linux-core/drm_bufs.c @@ -36,30 +36,6 @@ #include <linux/vmalloc.h> #include "drmP.h" -/** - * Compute size order. Returns the exponent of the smaller power of two which - * is greater or equal to given number. - * - * \param size size. - * \return order. - * - * \todo Can be made faster. - */ -int drm_order( unsigned long size ) -{ - int order; - unsigned long tmp; - - for (order = 0, tmp = size >> 1; tmp; tmp >>= 1, order++) - ; - - if (size & (size - 1)) - ++order; - - return order; -} -EXPORT_SYMBOL(drm_order); - /** * Adjusts the memory offset to its absolute value according to the mapping * type. Adds the map to the map list drm_device::maplist. Adds MTRR's where @@ -227,7 +203,7 @@ int drm_addmap( struct inode *inode, struct file *filp, case _DRM_SHM: map->handle = vmalloc_32(map->size); DRM_DEBUG( "%lu %d %p\n", - map->size, drm_order( map->size ), map->handle ); + map->size, get_order( map->size ), map->handle ); if ( !map->handle ) { drm_free( map, sizeof(*map), DRM_MEM_MAPS ); return -ENOMEM; @@ -460,7 +436,7 @@ int drm_addbufs_agp( struct inode *inode, struct file *filp, return -EFAULT; count = request.count; - order = drm_order( request.size ); + order = get_order( request.size ); size = 1 << order; alignment = (request.flags & _DRM_PAGE_ALIGN) @@ -628,7 +604,7 @@ int drm_addbufs_pci( struct inode *inode, struct file *filp, return -EFAULT; count = request.count; - order = drm_order( request.size ); + order = get_order( request.size ); size = 1 << order; DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n", @@ -858,7 +834,7 @@ int drm_addbufs_sg( struct inode *inode, struct file *filp, return -EFAULT; count = request.count; - order = drm_order( request.size ); + order = get_order( request.size ); size = 1 << order; alignment = (request.flags & _DRM_PAGE_ALIGN) @@ -1158,7 +1134,7 @@ int drm_markbufs( struct inode *inode, struct file *filp, DRM_DEBUG( "%d, %d, %d\n", request.size, request.low_mark, request.high_mark ); - order = drm_order( request.size ); + order = get_order( request.size ); if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; entry = &dma->bufs[order]; |