drm/vmwgfx: Read bounding box memory from the appropriate register

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Zack Rusin <zackr@vmware.com>

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index a7dc14a..eaffb05 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -650,13 +650,18 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
                                 SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB);
 
                dev_priv->max_mob_pages = mem_size * 1024 / PAGE_SIZE;
-       }
+               dev_priv->prim_bb_mem =
+                       vmw_read(dev_priv,
+                                SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM);
+       } else
+               dev_priv->prim_bb_mem = dev_priv->vram_size;
 
        ret = vmw_dma_masks(dev_priv);
        if (unlikely(ret != 0))
                goto out_err0;
 
-       dev_priv->prim_bb_mem = dev_priv->vram_size;
+       if (unlikely(dev_priv->prim_bb_mem < dev_priv->vram_size))
+               dev_priv->prim_bb_mem = dev_priv->vram_size;
 
        mutex_unlock(&dev_priv->hw_mutex);