From 53e2e91ddad79f9d42bab5a69ef293a1f1f5d6d7 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Mon, 15 May 2017 15:19:10 +0200 Subject: [PATCH] drm/amdgpu: cache the complete pde MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Makes it easier to update the PDE with huge pages. Signed-off-by: Christian König Reviewed-by: Junwei Zhang Reviewed-by: Chunming Zhou Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 90392a15fcb7..3d2ad3ae04bc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -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(¶ms, last_shadow, - entry, count, + last_pt, count, incr, AMDGPU_PTE_VALID); amdgpu_vm_do_set_ptes(¶ms, 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(¶ms, last_shadow, entry, + amdgpu_vm_do_set_ptes(¶ms, last_shadow, last_pt, count, incr, AMDGPU_PTE_VALID); - amdgpu_vm_do_set_ptes(¶ms, last_pde, entry, + amdgpu_vm_do_set_ptes(¶ms, last_pde, last_pt, count, incr, AMDGPU_PTE_VALID); } -- 2.45.2