diff options
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.patch | 53 |
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 + |