diff options
Diffstat (limited to 'linux-core/i830_dma.c')
| -rw-r--r-- | linux-core/i830_dma.c | 33 |
1 files changed, 7 insertions, 26 deletions
diff --git a/linux-core/i830_dma.c b/linux-core/i830_dma.c index 70884373..d29e21cb 100644 --- a/linux-core/i830_dma.c +++ b/linux-core/i830_dma.c @@ -272,29 +272,6 @@ static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d, return retcode; } -static unsigned long i830_alloc_page(drm_device_t *dev) -{ - unsigned long address; - - address = __get_free_page(GFP_KERNEL); - if(address == 0UL) - return 0; - - get_page(virt_to_page(address)); - LockPage(virt_to_page(address)); - return address; -} - -static void i830_free_page(drm_device_t *dev, unsigned long page) -{ - if (page) { - struct page *p = virt_to_page(page); - put_page(p); - UnlockPage(p); - free_page(page); - } -} - static int i830_dma_cleanup(drm_device_t *dev) { drm_device_dma_t *dma = dev->dma; @@ -309,7 +286,9 @@ static int i830_dma_cleanup(drm_device_t *dev) dev_priv->ring.Size); } if(dev_priv->hw_status_page != 0UL) { - i830_free_page(dev, dev_priv->hw_status_page); + pci_free_consistent(dev->pdev, PAGE_SIZE, + (void *)dev_priv->hw_status_page, + dev_priv->dma_status_page); /* Need to rewrite hardware status page */ I830_WRITE(0x02080, 0x1ffff000); } @@ -483,7 +462,9 @@ static int i830_dma_initialize(drm_device_t *dev, dev_priv->depth_pitch = init->depth_pitch; /* Program Hardware Status Page */ - dev_priv->hw_status_page = i830_alloc_page(dev); + dev_priv->hw_status_page = + (unsigned long) pci_alloc_consistent(dev->pdev, PAGE_SIZE, + &dev_priv->dma_status_page); if(dev_priv->hw_status_page == 0UL) { dev->dev_private = (void *)dev_priv; i830_dma_cleanup(dev); @@ -493,7 +474,7 @@ static int i830_dma_initialize(drm_device_t *dev, memset((void *) dev_priv->hw_status_page, 0, PAGE_SIZE); DRM_DEBUG("hw status page @ %lx\n", dev_priv->hw_status_page); - I830_WRITE(0x02080, virt_to_bus((void *)dev_priv->hw_status_page)); + I830_WRITE(0x02080, dev_priv->dma_status_page); DRM_DEBUG("Enabled hardware status page\n"); /* Now we need to init our freelist */ |