[PATCH] drm/amdgpu: set snooped flags only on system addresses v2

[Christian König]

From: Christian König <christian.koe...@amd.com>

Not necessary for VRAM.

v2: no need to check if ttm is NULL.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 8051cb9..8a1752f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -801,11 +801,12 @@ uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device 
*adev, struct ttm_tt *ttm,
        if (mem && mem->mem_type != TTM_PL_SYSTEM)
                flags |= AMDGPU_PTE_VALID;

-       if (mem && mem->mem_type == TTM_PL_TT)
+       if (mem && mem->mem_type == TTM_PL_TT) {
                flags |= AMDGPU_PTE_SYSTEM;

-       if (!ttm || ttm->caching_state == tt_cached)
-               flags |= AMDGPU_PTE_SNOOPED;
+               if (ttm->caching_state == tt_cached)
+                       flags |= AMDGPU_PTE_SNOOPED;
+       }

        if (adev->asic_type >= CHIP_TOPAZ)
                flags |= AMDGPU_PTE_EXECUTABLE;
-- 
2.5.0