Merge branch 'master' into for_paulus

[linux-drm-fsl-dcu.git] / drivers / char / drm / via_dmablit.c

diff --git a/drivers/char/drm/via_dmablit.c b/drivers/char/drm/via_dmablit.c
index 806f9ce5f47b6a16dfb5c5ddc9943879b25239cb..2881a06b6f558a614bcc9c9de1fd8a6822c923b7 100644 (file)
--- 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);
        }       
 }