diff options
| author | Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> | 2023-04-05 10:23:31 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-04-12 00:03:45 +0200 |
| commit | febc9c65b37f6f5cc03ed0b6d613fb045c39b376 (patch) | |
| tree | 6e7d93764ed27ce787e0c8f1f02d91225f108598 /drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c | |
| parent | drm/amd/display : Log DP link training downspread info (diff) | |
| download | linux-febc9c65b37f6f5cc03ed0b6d613fb045c39b376.tar.xz linux-febc9c65b37f6f5cc03ed0b6d613fb045c39b376.zip | |
drm/amdgpu: use sdma_v6 single packet invalidation
This achieves the same result as the sequence used in emit_flush_gpu_tlb
but the invalidation is now a single packet instead of the 3 packets
required to implement reg_write_reg_wait.
Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c index 40e6b22daa22..fdc6dfd60621 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c @@ -1173,7 +1173,28 @@ static void sdma_v6_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) static void sdma_v6_0_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->funcs->vmhub]; + 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_v6_0_ring_emit_wreg(struct amdgpu_ring *ring, |