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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index 1ef625550442..f46a97d91675 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -43,12 +43,15 @@ static int amdgpu_gtt_mgr_init(struct ttm_mem_type_manager *man,
unsigned long p_size)
{
struct amdgpu_gtt_mgr *mgr;
+ uint64_t start, size;
mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
if (!mgr)
return -ENOMEM;
- drm_mm_init(&mgr->mm, 0, p_size);
+ start = AMDGPU_GTT_MAX_TRANSFER_SIZE * AMDGPU_GTT_NUM_TRANSFER_WINDOWS;
+ size = p_size - start;
+ drm_mm_init(&mgr->mm, start, size);
spin_lock_init(&mgr->lock);
mgr->available = p_size;
man->priv = mgr;