Calling amdgpu function to invalidate TLB, instead of using a
kfd implementation. Delete the kfd local TLB invalidation
implementation.
Change-Id: Ia16fcf9091a93b8c0acdaf9981f8a5a1f9a5ca1d
Signed-off-by: Oak Zeng <Oak.Zeng@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c | 41 ++--------------------
1 file changed, 3 insertions(+), 38 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
index 39ffb07..e7ae198 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
@@ -802,42 +802,6 @@ static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd,
return reg & ATC_VMID0_PASID_MAPPING__PASID_MASK;
}
-static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid)
-{
- struct amdgpu_device *adev = (struct amdgpu_device *) kgd;
- uint32_t req = (1 << vmid) |
- (0 << GCVM_INVALIDATE_ENG0_REQ__FLUSH_TYPE__SHIFT) |/* legacy */
- GCVM_INVALIDATE_ENG0_REQ__INVALIDATE_L2_PTES_MASK |
- GCVM_INVALIDATE_ENG0_REQ__INVALIDATE_L2_PDE0_MASK |
- GCVM_INVALIDATE_ENG0_REQ__INVALIDATE_L2_PDE1_MASK |
- GCVM_INVALIDATE_ENG0_REQ__INVALIDATE_L2_PDE2_MASK |
- GCVM_INVALIDATE_ENG0_REQ__INVALIDATE_L1_PTES_MASK;
-
- mutex_lock(&adev->srbm_mutex);
-
- /* Use light weight invalidation.
- *
- * TODO 1: agree on the right set of invalidation registers for
- * KFD use. Use the last one for now. Invalidate only GCHUB as
- * SDMA is now moved to GCHUB
- *
- * TODO 2: support range-based invalidation, requires kfg2kgd
- * interface change
- */
- WREG32(SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32),
- 0xffffffff);
- WREG32(SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32),
- 0x0000001f);
-
- WREG32(SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_REQ), req);
-
- while (!(RREG32(SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ACK)) &
- (1 << vmid)))
- cpu_relax();
-
- mutex_unlock(&adev->srbm_mutex);
-}
-
static int invalidate_tlbs_with_kiq(struct amdgpu_device *adev, uint16_t pasid)
{
signed long r;
@@ -878,7 +842,8 @@ static int invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid)
if (get_atc_vmid_pasid_mapping_valid(kgd, vmid)) {
if (get_atc_vmid_pasid_mapping_pasid(kgd, vmid)
== pasid) {
- write_vmid_invalidate_request(kgd, vmid);
+ amdgpu_gmc_flush_vm_hub(adev, vmid,
+ AMDGPU_GFXHUB_0, 0);
break;
}
}
@@ -896,7 +861,7 @@ static int invalidate_tlbs_vmid(struct kgd_dev *kgd, uint16_t vmid)
return 0;
}
- write_vmid_invalidate_request(kgd, vmid);
+ amdgpu_gmc_flush_vm_hub(adev, vmid, AMDGPU_GFXHUB_0, 0);
return 0;
}
--
2.7.4
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