diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/1225-drm-amdkfd-Abandon-master-VM-usage.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/1225-drm-amdkfd-Abandon-master-VM-usage.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/1225-drm-amdkfd-Abandon-master-VM-usage.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/1225-drm-amdkfd-Abandon-master-VM-usage.patch new file mode 100644 index 00000000..a3553719 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/1225-drm-amdkfd-Abandon-master-VM-usage.patch @@ -0,0 +1,73 @@ +From 70fb3fc19decc4bd125e1164ab5799c4af1e7415 Mon Sep 17 00:00:00 2001 +From: Yong Zhao <yong.zhao@amd.com> +Date: Fri, 16 Dec 2016 19:00:09 -0500 +Subject: [PATCH 1225/4131] drm/amdkfd: Abandon master VM usage + +The master VM design is prone to bugs, and sometimes misleading. A kfd +process memory eviction structure amdkfd_eviction_info is used for +the new design. + +Change-Id: If194af56203fe18b06d0c9c0273384454c5a1c36 +Signed-off-by: Yong Zhao <yong.zhao@amd.com> + + Conflicts: + drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c + drivers/gpu/drm/amd/amdkfd/kfd_device.c +--- + drivers/gpu/drm/amd/amdkfd/kfd_device.c | 4 +++- + drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 3 ++- + drivers/gpu/drm/amd/amdkfd/kfd_process.c | 4 +--- + 3 files changed, 6 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c +index 4ed7420..46a722f 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c +@@ -817,7 +817,9 @@ void kfd_restore_bo_worker(struct work_struct *work) + struct kfd_process_device, + per_device_list); + +- ret = pdd->dev->kfd2kgd->restore_process_bos(p->master_vm); ++ pr_info("Started restoring process of pasid %d\n", p->pasid); ++ ++ ret = pdd->dev->kfd2kgd->restore_process_bos(p->process_info); + if (ret) { + kfd_schedule_restore_bos_and_queues(p); + return; +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +index a9e5618..dcb939e 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +@@ -709,7 +709,8 @@ struct kfd_process { + + struct rb_root bo_interval_tree; + +- void *master_vm; ++ /* Information used for memory eviction */ ++ void *process_info; + + /* Work items for evicting and restoring BOs */ + struct kfd_eviction_work eviction_work; +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c +index 1aa7ee3..5e80a44 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c +@@ -630,14 +630,12 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, + + /* Create the GPUVM context for this specific device */ + if (dev->kfd2kgd->create_process_vm(dev->kgd, &pdd->vm, +- p->master_vm)) { ++ &p->process_info)) { + pr_err("Failed to create process VM object\n"); + list_del(&pdd->per_device_list); + kfree(pdd); + pdd = NULL; + } +- if (p->master_vm == NULL) +- p->master_vm = pdd->vm; + } + + return pdd; +-- +2.7.4 + |