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drm/vmwgfx: Add MOB management

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Implement MOB setup, binding and unbinding, but don't hook up to
TTM yet.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Zack Rusin <zackr@vmware.com>
This commit is contained in:
Thomas Hellstrom
2012-11-21 10:49:52 +01:00
parent 716a2fd66d
commit 3530bdc35e
5 changed files with 632 additions and 1 deletions
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17
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
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@@ -327,6 +327,14 @@ static int vmw_request_device(struct vmw_private *dev_priv)
return ret;
}
vmw_fence_fifo_up(dev_priv->fman);
if (dev_priv->has_mob) {
ret = vmw_otables_setup(dev_priv);
if (unlikely(ret != 0)) {
DRM_ERROR("Unable to initialize "
"guest Memory OBjects.\n");
goto out_no_mob;
}
}
ret = vmw_dummy_query_bo_create(dev_priv);
if (unlikely(ret != 0))
goto out_no_query_bo;
@@ -335,6 +343,9 @@ static int vmw_request_device(struct vmw_private *dev_priv)
return 0;
out_no_query_bo:
if (dev_priv->has_mob)
vmw_otables_takedown(dev_priv);
out_no_mob:
vmw_fence_fifo_down(dev_priv->fman);
vmw_fifo_release(dev_priv, &dev_priv->fifo);
return ret;
@@ -350,10 +361,13 @@ static void vmw_release_device(struct vmw_private *dev_priv)
BUG_ON(dev_priv->pinned_bo != NULL);
ttm_bo_unref(&dev_priv->dummy_query_bo);
if (dev_priv->has_mob)
vmw_otables_takedown(dev_priv);
vmw_fence_fifo_down(dev_priv->fman);
vmw_fifo_release(dev_priv, &dev_priv->fifo);
}
/**
* Increase the 3d resource refcount.
* If the count was prevously zero, initialize the fifo, switching to svga
@@ -690,6 +704,9 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
dev_priv->has_gmr = false;
}
if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS)
dev_priv->has_mob = true;
dev_priv->mmio_mtrr = arch_phys_wc_add(dev_priv->mmio_start,
dev_priv->mmio_size);