Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / i915_dma.c

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 844f3c972b04dd8a55ccde3ab6a84766940b9e31..17bd766f20811ae5622a4276adf78de9a77c5208 100644 (file)
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -152,7 +152,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
        struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
-       struct intel_ring_buffer *ring = LP_RING(dev_priv);
+       int ret;
 
        master_priv->sarea = drm_getsarea(dev);
        if (master_priv->sarea) {
@@ -163,33 +163,22 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
        }
 
        if (init->ring_size != 0) {
-               if (ring->obj != NULL) {
+               if (LP_RING(dev_priv)->obj != NULL) {
                        i915_dma_cleanup(dev);
                        DRM_ERROR("Client tried to initialize ringbuffer in "
                                  "GEM mode\n");
                        return -EINVAL;
                }
 
-               ring->size = init->ring_size;
-
-               ring->map.offset = init->ring_start;
-               ring->map.size = init->ring_size;
-               ring->map.type = 0;
-               ring->map.flags = 0;
-               ring->map.mtrr = 0;
-
-               drm_core_ioremap_wc(&ring->map, dev);
-
-               if (ring->map.handle == NULL) {
+               ret = intel_render_ring_init_dri(dev,
+                                                init->ring_start,
+                                                init->ring_size);
+               if (ret) {
                        i915_dma_cleanup(dev);
-                       DRM_ERROR("can not ioremap virtual address for"
-                                 " ring buffer\n");
-                       return -ENOMEM;
+                       return ret;
                }
        }
 
-       ring->virtual_start = ring->map.handle;
-
        dev_priv->cpp = init->cpp;
        dev_priv->back_offset = init->back_offset;
        dev_priv->front_offset = init->front_offset;
@@ -1226,9 +1215,15 @@ static int i915_load_modeset_init(struct drm_device *dev)
        if (ret)
                DRM_INFO("failed to find VBIOS tables\n");
 
-       /* if we have > 1 VGA cards, then disable the radeon VGA resources */
+       /* If we have > 1 VGA cards, then we need to arbitrate access
+        * to the common VGA resources.
+        *
+        * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA),
+        * then we do not take part in VGA arbitration and the
+        * vga_client_register() fails with -ENODEV.
+        */
        ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode);
-       if (ret)
+       if (ret && ret != -ENODEV)
                goto cleanup_ringbuffer;
 
        intel_register_dsm_handler();