[PATCH 18/23] drm/amdgpu/gmc10: use SDMA for gart TLB invalidation

[Alex Deucher <alexander.deucher@amd.com>]

Use SDMA rather than KIQ/MMIO.  This is recommended by
the hubs team and aligns with what other OSes do.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 3d545e0ebfd86..fa0fc4dc724c6 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -788,6 +788,7 @@ static int gmc_v10_0_hw_init(struct amdgpu_ip_block *ip_block)
 	adev->gmc.flush_pasid_uses_kiq = !amdgpu_emu_mode;
 	if (adev->gmc.flush_pasid_uses_kiq)
 		adev->gmc.pasid_inv_method = AMDGPU_TLB_INV_METHOD_KIQ;
+	adev->gmc.gart_inv_method = AMDGPU_TLB_INV_METHOD_SDMA;
 
 	/* The sequence of these two function calls matters.*/
 	gmc_v10_0_init_golden_registers(adev);
-- 
2.55.0