diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 830cf8f35e22..d280f324a44c 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -366,6 +366,29 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, spin_unlock(&adev->gmc.invalidate_lock); } +static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, + unsigned vmid, unsigned pasid, + uint64_t pd_addr) +{ + struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub]; + uint32_t req = gmc_v9_0_get_invalidate_req(vmid); + uint64_t flags = AMDGPU_PTE_VALID; + unsigned eng = ring->vm_inv_eng; + + amdgpu_gmc_get_vm_pde(ring->adev, -1, &pd_addr, &flags); + pd_addr |= flags; + + amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + (2 * vmid), + lower_32_bits(pd_addr)); + + amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + (2 * vmid), + upper_32_bits(pd_addr)); + + amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_req + eng, req); + + return pd_addr; +} + /** * gmc_v9_0_set_pte_pde - update the page tables using MMIO * @@ -491,8 +514,8 @@ static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level, static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = { .flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb, + .emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb, .set_pte_pde = gmc_v9_0_set_pte_pde, - .get_invalidate_req = gmc_v9_0_get_invalidate_req, .get_vm_pte_flags = gmc_v9_0_get_vm_pte_flags, .get_vm_pde = gmc_v9_0_get_vm_pde }; |