From b4ae4fe6cdbbfedb9e71294a4d9aa2b4a37edf16 Mon Sep 17 00:00:00 2001 From: shaoyunl Date: Tue, 26 Mar 2019 14:47:57 -0400 Subject: [PATCH] drm/amdgpu: Add preferred_domain check when determine XGMI state MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Avoid unnecessary XGMI hight pstate trigger when mapping none-vram memory for peer device Signed-off-by: shaoyunl Reviewed-by: Felix Kuehling Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 11 +++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 ++- 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 61107cfc9af6..d4fcf5475464 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -31,6 +31,7 @@ #include #include "amdgpu.h" #include "amdgpu_display.h" +#include "amdgpu_xgmi.h" void amdgpu_gem_object_free(struct drm_gem_object *gobj) { @@ -668,6 +669,7 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data, struct amdgpu_device *adev = dev->dev_private; struct drm_amdgpu_gem_op *args = data; struct drm_gem_object *gobj; + struct amdgpu_vm_bo_base *base; struct amdgpu_bo *robj; int r; @@ -706,6 +708,15 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data, amdgpu_bo_unreserve(robj); break; } + for (base = robj->vm_bo; base; base = base->next) + if (amdgpu_xgmi_same_hive(amdgpu_ttm_adev(robj->tbo.bdev), + amdgpu_ttm_adev(base->vm->root.base.bo->tbo.bdev))) { + r = -EINVAL; + amdgpu_bo_unreserve(robj); + goto out; + } + + robj->preferred_domains = args->value & (AMDGPU_GEM_DOMAIN_VRAM | AMDGPU_GEM_DOMAIN_GTT | AMDGPU_GEM_DOMAIN_CPU); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index fc7236af6a41..a07c85815b7a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2037,7 +2037,8 @@ struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev, INIT_LIST_HEAD(&bo_va->valids); INIT_LIST_HEAD(&bo_va->invalids); - if (bo && amdgpu_xgmi_same_hive(adev, amdgpu_ttm_adev(bo->tbo.bdev))) { + if (bo && amdgpu_xgmi_same_hive(adev, amdgpu_ttm_adev(bo->tbo.bdev)) && + (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM)) { bo_va->is_xgmi = true; mutex_lock(&adev->vm_manager.lock_pstate); /* Power up XGMI if it can be potentially used */ -- 2.11.0