1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
index 0d15eb7d31d7..33535d347734 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
@@ -169,7 +169,8 @@ static int amdgpu_gtt_mgr_new(struct ttm_mem_type_manager *man,
         int r;
 
         spin_lock(&mgr->lock);
-        if (atomic64_read(&mgr->available) < mem->num_pages) {
+        if ((&tbo->mem == mem || tbo->mem.mem_type != TTM_PL_TT) &&
+            atomic64_read(&mgr->available) < mem->num_pages) {
                 spin_unlock(&mgr->lock);
                 return 0;
         }
@@ -244,8 +245,9 @@ static void amdgpu_gtt_mgr_del(struct ttm_mem_type_manager *man,
 uint64_t amdgpu_gtt_mgr_usage(struct ttm_mem_type_manager *man)
 {
         struct amdgpu_gtt_mgr *mgr = man->priv;
+        s64 result = man->size - atomic64_read(&mgr->available);
 
-        return (u64)(man->size - atomic64_read(&mgr->available)) * PAGE_SIZE;
+        return (result > 0 ? result : 0) * PAGE_SIZE;
 }
 
 /**
@@ -265,7 +267,7 @@ static void amdgpu_gtt_mgr_debug(struct ttm_mem_type_manager *man,
         drm_mm_print(&mgr->mm, printer);
         spin_unlock(&mgr->lock);
 
-        drm_printf(printer, "man size:%llu pages, gtt available:%llu pages, usage:%lluMB\n",
+        drm_printf(printer, "man size:%llu pages, gtt available:%lld pages, usage:%lluMB\n",
                    man->size, (u64)atomic64_read(&mgr->available),
                    amdgpu_gtt_mgr_usage(man) >> 20);
 }