diff options
| author | Oak Zeng <Oak.Zeng@amd.com> | 2019-08-01 14:24:42 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-08-15 10:57:55 -0500 |
| commit | 5413fce4b2147f8ebd0350ee5fdf82f9c30fd7dc (patch) | |
| tree | cec3ea426157e42dbf25f93a96dfea113fecc5cd /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c | |
| parent | 3ff985485b29693376bb470a40b7aba4394a189b (diff) | |
drm/amdkfd/gfx10: Calling amdgpu functions to invalidate TLB
Calling amdgpu function to invalidate TLB, instead of using a
kfd implementation. Delete the kfd local TLB invalidation
implementation.
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Christian Konig <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c | 41 |
1 files 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 7c03a7fcd011..d10f483f5e27 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c @@ -801,42 +801,6 @@ 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; @@ -877,7 +841,8 @@ 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_gpu_tlb(adev, vmid, + AMDGPU_GFXHUB_0, 0); break; } } @@ -895,7 +860,7 @@ static int invalidate_tlbs_vmid(struct kgd_dev *kgd, uint16_t vmid) return 0; } - write_vmid_invalidate_request(kgd, vmid); + amdgpu_gmc_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB_0, 0); return 0; } |