[PATCH 25/30] drm/amdgpu/gmc12: use SDMA for gart TLB invalidation

Use SDMA rather than MMIO.  The avoids the need to
disallow gfxoff when invalidating.

Signed-off-by: Alex Deucher <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
index 889c0005fec3d..6ec5798494be1 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
@@ -1061,6 +1061,8 @@ static int gmc_v12_0_hw_init(struct amdgpu_ip_block *ip_block)
 	int r;
 	struct amdgpu_device *adev = ip_block->adev;
 
+	adev->gmc.gart_inv_method = AMDGPU_TLB_INV_METHOD_SDMA;
+
 	/* The sequence of these two function calls matters.*/
 	gmc_v12_0_init_golden_registers(adev);
 
-- 
2.55.0