diff options
| author | YuanShang <YuanShang.Mao@amd.com> | 2024-09-09 16:29:22 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-10-01 17:39:38 -0400 |
| commit | 1fd7c37e3f3d526ebce57478fa39fa1f81b560a9 (patch) | |
| tree | 3724689183a39b123c4bd18a82316c8fb9cc3b4c /drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | |
| parent | 64acf8f69eadfb1061b59bb4756d8ff947dacafc (diff) | |
drm/amdgpu: Flush tlb by VM_INVALIDATION packet in sdma_v5_2
In order for SDMA not to be switched between VM_INVALIDATION
request and ack, use an single VM_INVALIDATION packet in function
sdma_v5_2_ring_emit_vm_flush.
Signed-off-by: YuanShang <YuanShang.Mao@amd.com>
Reviewed-By: Horace Chen <horace.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c index 95b3b5c3462b..6d1cf619a9e9 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c @@ -1205,7 +1205,28 @@ static void sdma_v5_2_ring_emit_pipeline_sync(struct amdgpu_ring *ring) static void sdma_v5_2_ring_emit_vm_flush(struct amdgpu_ring *ring, unsigned vmid, uint64_t pd_addr) { - amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); + struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub]; + uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0); + + /* Update the PD address for this VMID. */ + amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + + (hub->ctx_addr_distance * vmid), + lower_32_bits(pd_addr)); + amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + + (hub->ctx_addr_distance * vmid), + upper_32_bits(pd_addr)); + + /* Trigger invalidation. */ + amdgpu_ring_write(ring, + SDMA_PKT_VM_INVALIDATION_HEADER_OP(SDMA_OP_POLL_REGMEM) | + SDMA_PKT_VM_INVALIDATION_HEADER_SUB_OP(SDMA_SUBOP_VM_INVALIDATION) | + SDMA_PKT_VM_INVALIDATION_HEADER_GFX_ENG_ID(ring->vm_inv_eng) | + SDMA_PKT_VM_INVALIDATION_HEADER_MM_ENG_ID(0x1f)); + amdgpu_ring_write(ring, req); + amdgpu_ring_write(ring, 0xFFFFFFFF); + amdgpu_ring_write(ring, + SDMA_PKT_VM_INVALIDATION_ADDRESSRANGEHI_INVALIDATEACK(1 << vmid) | + SDMA_PKT_VM_INVALIDATION_ADDRESSRANGEHI_ADDRESSRANGEHI(0x1F)); } static void sdma_v5_2_ring_emit_wreg(struct amdgpu_ring *ring, |