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drm/amdgpu: add new amdgpu_gmc_emit_flush_gpu_tlb callback

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Add a new GMC function to unify vm flushing.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-01-12 16:57:33 +01:00 committed by Alex Deucher
parent 0b5f83a375
commit 7ef11047c1
2 changed files with 4 additions and 0 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@ -1777,6 +1777,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
#define amdgpu_asic_flush_hdp(adev) (adev)->asic_funcs->flush_hdp((adev))
#define amdgpu_asic_invalidate_hdp(adev) (adev)->asic_funcs->invalidate_hdp((adev))
#define amdgpu_gmc_flush_gpu_tlb(adev, vmid) (adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid))
#define amdgpu_gmc_emit_flush_gpu_tlb(r, vmid, pasid, addr) (r)->adev->gmc.gmc_funcs->emit_flush_gpu_tlb((r), (vmid), (pasid), (addr))
#define amdgpu_gmc_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gmc.gmc_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
#define amdgpu_gmc_get_vm_pde(adev, level, dst, flags) (adev)->gmc.gmc_funcs->get_vm_pde((adev), (level), (dst), (flags))
#define amdgpu_gmc_get_pte_flags(adev, flags) (adev)->gmc.gmc_funcs->get_vm_pte_flags((adev),(flags))

3
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
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@ -52,6 +52,9 @@ struct amdgpu_gmc_funcs {
/* flush the vm tlb via mmio */
void (*flush_gpu_tlb)(struct amdgpu_device *adev,
uint32_t vmid);
/* flush the vm tlb via ring */
uint64_t (*emit_flush_gpu_tlb)(struct amdgpu_ring *ring, unsigned vmid,
unsigned pasid, uint64_t pd_addr);
/* write pte/pde updates using the cpu */
int (*set_pte_pde)(struct amdgpu_device *adev,
void *cpu_pt_addr, /* cpu addr of page table */