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path: root/drivers/video/intelfb/intelfbhw.c
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Diffstat (limited to 'drivers/video/intelfb/intelfbhw.c')
-rw-r--r--drivers/video/intelfb/intelfbhw.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c
index 426b7430b125..7533b3dd08ac 100644
--- a/drivers/video/intelfb/intelfbhw.c
+++ b/drivers/video/intelfb/intelfbhw.c
@@ -1423,19 +1423,17 @@ wait_ring(struct intelfb_info *dinfo, int n)
end = jiffies + (HZ * 3);
while (dinfo->ring_space < n) {
- dinfo->ring_head = (u8 __iomem *)(INREG(PRI_RING_HEAD) &
- RING_HEAD_MASK);
- if (dinfo->ring_tail + RING_MIN_FREE <
- (u32 __iomem) dinfo->ring_head)
- dinfo->ring_space = (u32 __iomem) dinfo->ring_head
+ dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK;
+ if (dinfo->ring_tail + RING_MIN_FREE < dinfo->ring_head)
+ dinfo->ring_space = dinfo->ring_head
- (dinfo->ring_tail + RING_MIN_FREE);
else
dinfo->ring_space = (dinfo->ring.size +
- (u32 __iomem) dinfo->ring_head)
+ dinfo->ring_head)
- (dinfo->ring_tail + RING_MIN_FREE);
- if ((u32 __iomem) dinfo->ring_head != last_head) {
+ if (dinfo->ring_head != last_head) {
end = jiffies + (HZ * 3);
- last_head = (u32 __iomem) dinfo->ring_head;
+ last_head = dinfo->ring_head;
}
i++;
if (time_before(end, jiffies)) {
@@ -1495,15 +1493,13 @@ refresh_ring(struct intelfb_info *dinfo)
DBG_MSG("refresh_ring\n");
#endif
- dinfo->ring_head = (u8 __iomem *) (INREG(PRI_RING_HEAD) &
- RING_HEAD_MASK);
+ dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK;
dinfo->ring_tail = INREG(PRI_RING_TAIL) & RING_TAIL_MASK;
- if (dinfo->ring_tail + RING_MIN_FREE < (u32 __iomem)dinfo->ring_head)
- dinfo->ring_space = (u32 __iomem) dinfo->ring_head
+ if (dinfo->ring_tail + RING_MIN_FREE < dinfo->ring_head)
+ dinfo->ring_space = dinfo->ring_head
- (dinfo->ring_tail + RING_MIN_FREE);
else
- dinfo->ring_space = (dinfo->ring.size +
- (u32 __iomem) dinfo->ring_head)
+ dinfo->ring_space = (dinfo->ring.size + dinfo->ring_head)
- (dinfo->ring_tail + RING_MIN_FREE);
}