[PATCH 16/30] drm/amdgpu: add tlb invalidation method enum

[Alex Deucher]

Use it to track invalidation method.

Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 23954e3180a8c..204cf1c360896 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -98,6 +98,13 @@ enum amdgpu_memory_partition {
 #define AMDGPU_GMC121_FAULT_SOURCE_DATA_WRITE 0x200000
 #define AMDGPU_GMC121_FAULT_SOURCE_DATA_EXE   0x100000
 
+enum amdgpu_tlb_inv_method {
+       AMDGPU_TLB_INV_METHOD_MMIO = 0,
+       AMDGPU_TLB_INV_METHOD_SDMA,
+       AMDGPU_TLB_INV_METHOD_KIQ,
+       AMDGPU_TLB_INV_METHOD_MES
+};
+
 /*
  * GMC page fault information
  */
@@ -369,6 +376,9 @@ struct amdgpu_gmc {
        bool override_pte;
 
        bool use_mmio_for_tlb_flush;
+
+       enum amdgpu_tlb_inv_method gart_inv_method;
+       enum amdgpu_tlb_inv_method pasid_inv_method;
 };
 
 #define amdgpu_gmc_emit_flush_gpu_tlb(r, vmid, addr) 
(r)->adev->gmc.gmc_funcs->emit_flush_gpu_tlb((r), (vmid), (addr))
-- 
2.55.0