Merge tag 'dlm-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

[linux.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_res_cursor.h

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h
index 59e0fefb15aa3a113110cd041b2209a95eccc692..acfa207cf970462d9a23de925669fd4a00756567 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h
@@ -54,11 +54,12 @@ static inline void amdgpu_res_first(struct ttm_resource *res,
 {
        struct drm_mm_node *node;
 
-       if (!res) {
+       if (!res || res->mem_type == TTM_PL_SYSTEM) {
                cur->start = start;
                cur->size = size;
                cur->remaining = size;
                cur->node = NULL;
+               WARN_ON(res && start + size > res->num_pages << PAGE_SHIFT);
                return;
        }