From bc566781845bced474109289f6fc03f669efedd1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Wed, 21 Aug 2024 14:00:34 +0200 Subject: [PATCH 0730/5403] drm/amdgpu: stop syncing PRT map operations MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Requested by both Bas and Friedrich. Mapping PTEs as PRT doesn't need to sync for anything. Signed-off-by: Christian König Reviewed-by: Friedrich Vock Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 6b855810ee86..8d9bf7a0857f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1161,7 +1161,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, int r; amdgpu_sync_create(&sync); - if (clear || !bo) { + if (clear) { mem = NULL; /* Implicitly sync to command submissions in the same VM before @@ -1176,6 +1176,10 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, if (r) goto error_free; } + } else if (!bo) { + mem = NULL; + + /* PRT map operations don't need to sync to anything. */ } else { struct drm_gem_object *obj = &bo->tbo.base; -- 2.54.0