Enable swiotlb for gmc 10.0.

Signed-off-by: Aaron Liu <aaron....@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c 
b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 6470290aaf7d..a1a98c7fe8e1 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -967,6 +967,8 @@ static int gmc_v10_0_sw_init(void *handle)
                return r;
        }
 
+       adev->need_swiotlb = drm_need_swiotlb(44);
+
        r = gmc_v10_0_mc_init(adev);
        if (r)
                return r;
-- 
2.37.0

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