drm/ttm: Remove mm init error printouts and checks

Replace with BUG_ON(). These error messages remained from the time
when TTM was initialized from user-space. Nowadays hitting one of those
is really a kernel bug.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index e6cedf43c2db4fef108c57e059a77b50d7abc53d..f561eead057d40bb1bea4fa1e0b4277e000aa0e7 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1354,18 +1354,9 @@ int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
        int ret = -EINVAL;
        struct ttm_mem_type_manager *man;
 
-       if (type >= TTM_NUM_MEM_TYPES) {
-               printk(KERN_ERR TTM_PFX "Illegal memory type %d\n", type);
-               return ret;
-       }
-
+       BUG_ON(type >= TTM_NUM_MEM_TYPES);
        man = &bdev->man[type];
-       if (man->has_type) {
-               printk(KERN_ERR TTM_PFX
-                      "Memory manager already initialized for type %d\n",
-                      type);
-               return ret;
-       }
+       BUG_ON(man->has_type);
 
        ret = bdev->driver->init_mem_type(bdev, type, man);
        if (ret)
@@ -1374,13 +1365,6 @@ int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
 
        ret = 0;
        if (type != TTM_PL_SYSTEM) {
-               if (!p_size) {
-                       printk(KERN_ERR TTM_PFX
-                              "Zero size memory manager type %d\n",
-                              type);
-                       return ret;
-               }
-
                ret = (*man->func->init)(man, p_size);
                if (ret)
                        return ret;