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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/1191-drm-amdgpu-Modify-create_process_vm-interface.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/1191-drm-amdgpu-Modify-create_process_vm-interface.patch53
1 files changed, 53 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/1191-drm-amdgpu-Modify-create_process_vm-interface.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/1191-drm-amdgpu-Modify-create_process_vm-interface.patch
new file mode 100644
index 00000000..fbca22d6
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/1191-drm-amdgpu-Modify-create_process_vm-interface.patch
@@ -0,0 +1,53 @@
+From 948f95763f9a332aed04302d31147fe573fd4564 Mon Sep 17 00:00:00 2001
+From: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
+Date: Mon, 27 Jun 2016 15:30:45 -0400
+Subject: [PATCH 1191/4131] drm/amdgpu: Modify create_process_vm interface
+
+Modify create_process_vm to accommodate master VM. KFD process chooses
+the VM of the first device detected to be the master VM. This
+information is passed on to KGD via create_process_interface.
+
+Change-Id: I8b5fd102f1f598673af0c936b718b1d7d8d235a3
+Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
+---
+ drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 2 ++
+ drivers/gpu/drm/amd/amdkfd/kfd_process.c | 5 ++++-
+ 2 files changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+index cabf0fe..887d6c3 100644
+--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
++++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+@@ -669,6 +669,8 @@ struct kfd_process {
+ size_t debug_event_count;
+
+ struct rb_root bo_interval_tree;
++
++ void *master_vm;
+ };
+
+ /**
+diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+index c98b5da..87dd412 100644
+--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
++++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+@@ -733,12 +733,15 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev,
+ idr_init(&pdd->alloc_idr);
+
+ /* Create the GPUVM context for this specific device */
+- if (dev->kfd2kgd->create_process_vm(dev->kgd, &pdd->vm)) {
++ if (dev->kfd2kgd->create_process_vm(dev->kgd, &pdd->vm,
++ p->master_vm)) {
+ 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
+