[PATCH] drm/amdgpu: enable swiotlb for gmc 10.0

Aaron Liu aaron.liu at amd.com
Fri Jul 22 02:22:39 UTC 2022


Enable swiotlb for gmc 10.0.

Signed-off-by: Aaron Liu <aaron.liu at 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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