Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 53e2e91d authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: cache the complete pde 



Makes it easier to update the PDE with huge pages.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarJunwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: default avatarChunming Zhou <david1.zhou@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bb37b67d

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

+5 −11
Original line number Diff line number Diff line
@@ -985,6 +985,7 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev, 
		}



		pt = amdgpu_bo_gpu_offset(bo);

		pt = amdgpu_gart_get_vm_pde(adev, pt);

		if (parent->entries[pt_idx].addr == pt)

			continue;
@@ -996,18 +997,15 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev, 
		    (count == AMDGPU_VM_MAX_UPDATE_SIZE)) {



			if (count) {

				uint64_t entry;



				entry = amdgpu_gart_get_vm_pde(adev, last_pt);

				if (shadow)

					amdgpu_vm_do_set_ptes(&params,

							      last_shadow,

							      entry, count,

							      last_pt, count,

							      incr,

							      AMDGPU_PTE_VALID);



				amdgpu_vm_do_set_ptes(&params, last_pde,

						      entry, count, incr,

						      last_pt, count, incr,

						      AMDGPU_PTE_VALID);

			}
@@ -1021,15 +1019,11 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev, 
	}



	if (count) {

		uint64_t entry;



		entry = amdgpu_gart_get_vm_pde(adev, last_pt);



		if (vm->root.bo->shadow)

			amdgpu_vm_do_set_ptes(&params, last_shadow, entry,

			amdgpu_vm_do_set_ptes(&params, last_shadow, last_pt,

					      count, incr, AMDGPU_PTE_VALID);



		amdgpu_vm_do_set_ptes(&params, last_pde, entry,

		amdgpu_vm_do_set_ptes(&params, last_pde, last_pt,

				      count, incr, AMDGPU_PTE_VALID);

	}