drm/vmwgfx: Protect from excessive execbuf kernel memory allocations v3

[linux.git] / drivers / gpu / drm / vmwgfx / vmwgfx_drv.c

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 61a84b958d671671cb56c37b6e44a589989d026b..d7a2dfb8ee9b1101ed99a6ca6fe28e7000a8391c 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -49,6 +49,8 @@
 
 #define VMWGFX_REPO "In Tree"
 
+#define VMWGFX_VALIDATION_MEM_GRAN (16*PAGE_SIZE)
+
 
 /**
  * Fully encoded drm commands. Might move to vmw_drm.h
@@ -918,7 +920,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
                spin_unlock(&dev_priv->cap_lock);
        }
 
-
+       vmw_validation_mem_init_ttm(dev_priv, VMWGFX_VALIDATION_MEM_GRAN);
        ret = vmw_kms_init(dev_priv);
        if (unlikely(ret != 0))
                goto out_no_kms;