diff options
Diffstat (limited to 'linux-core/i830_dma.c')
| -rw-r--r-- | linux-core/i830_dma.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/linux-core/i830_dma.c b/linux-core/i830_dma.c index e83ac5e9..b9c89aab 100644 --- a/linux-core/i830_dma.c +++ b/linux-core/i830_dma.c @@ -38,6 +38,7 @@ #include "i830_drm.h" #include "i830_drv.h" #include <linux/interrupt.h> /* For task queue support */ +#include <linux/delay.h> /* in case we don't have a 2.3.99-pre6 kernel or later: */ #ifndef VM_DONTCOPY @@ -58,7 +59,6 @@ do { \ int _head; \ int _tail; \ - int _i; \ do { \ _head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; \ _tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR; \ @@ -369,9 +369,7 @@ static int i830_wait_ring(drm_device_t *dev, int n) unsigned int last_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; end = jiffies + (HZ*3); - while (ring->space < n) { - int i; - + while (ring->space < n) { ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; ring->space = ring->head - (ring->tail+8); if (ring->space < 0) ring->space += ring->Size; |