summaryrefslogtreecommitdiffstats
path: root/drivers/char/drm/via_dmablit.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/drm/via_dmablit.c')
-rw-r--r--drivers/char/drm/via_dmablit.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/char/drm/via_dmablit.c b/drivers/char/drm/via_dmablit.c
index 806f9ce..2881a06 100644
--- a/drivers/char/drm/via_dmablit.c
+++ b/drivers/char/drm/via_dmablit.c
@@ -218,7 +218,9 @@ via_fire_dmablit(drm_device_t *dev, drm_via_sg_info_t *vsg, int engine)
VIA_WRITE(VIA_PCI_DMA_MR0 + engine*0x04, VIA_DMA_MR_CM | VIA_DMA_MR_TDIE);
VIA_WRITE(VIA_PCI_DMA_BCR0 + engine*0x10, 0);
VIA_WRITE(VIA_PCI_DMA_DPR0 + engine*0x10, vsg->chain_start);
+ DRM_WRITEMEMORYBARRIER();
VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DE | VIA_DMA_CSR_TS);
+ VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04);
}
/*
@@ -374,10 +376,8 @@ via_dmablit_handler(drm_device_t *dev, int engine, int from_irq)
blitq->cur = cur;
blitq->num_outstanding--;
blitq->end = jiffies + DRM_HZ;
- if (!timer_pending(&blitq->poll_timer)) {
- blitq->poll_timer.expires = jiffies+1;
- add_timer(&blitq->poll_timer);
- }
+ if (!timer_pending(&blitq->poll_timer))
+ mod_timer(&blitq->poll_timer, jiffies + 1);
} else {
if (timer_pending(&blitq->poll_timer)) {
del_timer(&blitq->poll_timer);
@@ -476,8 +476,7 @@ via_dmablit_timer(unsigned long data)
via_dmablit_handler(dev, engine, 0);
if (!timer_pending(&blitq->poll_timer)) {
- blitq->poll_timer.expires = jiffies+1;
- add_timer(&blitq->poll_timer);
+ mod_timer(&blitq->poll_timer, jiffies + 1);
/*
* Rerun handler to delete timer if engines are off, and
@@ -572,9 +571,8 @@ via_init_dmablit(drm_device_t *dev)
}
DRM_INIT_WAITQUEUE(&blitq->busy_queue);
INIT_WORK(&blitq->wq, via_dmablit_workqueue);
- init_timer(&blitq->poll_timer);
- blitq->poll_timer.function = &via_dmablit_timer;
- blitq->poll_timer.data = (unsigned long) blitq;
+ setup_timer(&blitq->poll_timer, via_dmablit_timer,
+ (unsigned long)blitq);
}
}
OpenPOWER on IntegriCloud