drm/amdgpu: add new amdgpu_gmc_emit_flush_gpu_tlb callback

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 20b1716..93ab458 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -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))

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index a4a8374..114350a 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -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 */