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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 141bfcabd19c..716f2afeb6a9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -950,6 +950,8 @@ static struct list_head *amdgpu_ttm_lru_tail(struct ttm_buffer_object *tbo)
struct list_head *res = lru->lru[tbo->mem.mem_type];
lru->lru[tbo->mem.mem_type] = &tbo->lru;
+ while ((++lru)->lru[tbo->mem.mem_type] == res)
+ lru->lru[tbo->mem.mem_type] = &tbo->lru;
return res;
}
@@ -960,6 +962,8 @@ static struct list_head *amdgpu_ttm_swap_lru_tail(struct ttm_buffer_object *tbo)
struct list_head *res = lru->swap_lru;
lru->swap_lru = &tbo->swap;
+ while ((++lru)->swap_lru == res)
+ lru->swap_lru = &tbo->swap;
return res;
}
@@ -1011,6 +1015,10 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
lru->swap_lru = &adev->mman.bdev.glob->swap_lru;
}
+ for (j = 0; j < TTM_NUM_MEM_TYPES; ++j)
+ adev->mman.guard.lru[j] = NULL;
+ adev->mman.guard.swap_lru = NULL;
+
adev->mman.initialized = true;
r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_VRAM,
adev->mc.real_vram_size >> PAGE_SHIFT);