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Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1225-drm-amdkfd-Abandon-master-VM-usage.patch')
-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1225-drm-amdkfd-Abandon-master-VM-usage.patch73
1 files changed, 73 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1225-drm-amdkfd-Abandon-master-VM-usage.patch b/meta-amd-bsp/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/meta-amd-bsp/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
+