drm: update support for drm pci buffers
The DRM needs to change the drm_pci interface for FreeBSD compatiblity,
this patch introduces the drm_dma_handle_t and uses it in the Linux code.
From: Tonnerre Lombard, Eric Anholt, and Sergey Vlasov
Signed-off-by: David Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c
index acf9e52..759f229 100644
--- a/drivers/char/drm/i915_dma.c
+++ b/drivers/char/drm/i915_dma.c
@@ -95,9 +95,8 @@
drm_core_ioremapfree( &dev_priv->ring.map, dev);
}
- if (dev_priv->hw_status_page) {
- drm_pci_free(dev, PAGE_SIZE, dev_priv->hw_status_page,
- dev_priv->dma_status_page);
+ if (dev_priv->status_page_dmah) {
+ drm_pci_free(dev, dev_priv->status_page_dmah);
/* Need to rewrite hardware status page */
I915_WRITE(0x02080, 0x1ffff000);
}
@@ -174,16 +173,18 @@
dev_priv->allow_batchbuffer = 1;
/* Program Hardware Status Page */
- dev_priv->hw_status_page = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE,
- 0xffffffff,
- &dev_priv->dma_status_page);
+ dev_priv->status_page_dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE,
+ 0xffffffff);
- if (!dev_priv->hw_status_page) {
+ if (!dev_priv->status_page_dmah) {
dev->dev_private = (void *)dev_priv;
i915_dma_cleanup(dev);
DRM_ERROR("Can not allocate hardware status page\n");
return DRM_ERR(ENOMEM);
}
+ dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr;
+ dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr;
+
memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);