drm/amdgpu: separate PASID mapping from VM flush v2
Stuffing the PASID mapping into the VM flush isn't flexible enough since
the PASID mapping changes not as often as we need a VM flush.
v2: add missing use of gmc_v7_0_emit_pasid_mapping
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index b3d1bd2..893c249 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -54,7 +54,10 @@ struct amdgpu_gmc_funcs {
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);
+ uint64_t pd_addr);
+ /* Change the VMID -> PASID mapping */
+ void (*emit_pasid_mapping)(struct amdgpu_ring *ring, unsigned vmid,
+ unsigned pasid);
/* write pte/pde updates using the cpu */
int (*set_pte_pde)(struct amdgpu_device *adev,
void *cpu_pt_addr, /* cpu addr of page table */