diff options
Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1184-drm-amdkfd-Avoid-calling-amd_iommu_unbind_pasid-when.patch')
| -rw-r--r-- | meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1184-drm-amdkfd-Avoid-calling-amd_iommu_unbind_pasid-when.patch | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1184-drm-amdkfd-Avoid-calling-amd_iommu_unbind_pasid-when.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1184-drm-amdkfd-Avoid-calling-amd_iommu_unbind_pasid-when.patch deleted file mode 100644 index ee5ac7b5..00000000 --- a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1184-drm-amdkfd-Avoid-calling-amd_iommu_unbind_pasid-when.patch +++ /dev/null @@ -1,53 +0,0 @@ -From 9a197ff07ae9805c29e796af88016eed218d8d54 Mon Sep 17 00:00:00 2001 -From: Yong Zhao <yong.zhao@amd.com> -Date: Wed, 7 Sep 2016 19:26:37 -0400 -Subject: [PATCH 1184/4131] drm/amdkfd: Avoid calling amd_iommu_unbind_pasid() - when suspending - -When kfd suspending on APU, we do not need to call -amd_iommu_unbind_pasid(), because pasid will be unbound automatically -when power goes off. - -On the other hand, calling amd_iommu_unbind_pasid() will trigger -kfd_process_iommu_unbind_callback() if the process is not terminating. -By design, kfd_process_iommu_unbind_callback() should only be called -for process terminating. So we would rather not to call -amd_iommu_unbind_pasid() when suspending. - -Change-Id: I9fb0770509df64bcbf8b48dd869032c6cef4946b -Signed-off-by: Yong Zhao <yong.zhao@amd.com> ---- - drivers/gpu/drm/amd/amdkfd/kfd_process.c | 8 ++------ - 1 file changed, 2 insertions(+), 6 deletions(-) - -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c -index ca4ed91..cd33ffc 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c -@@ -825,21 +825,17 @@ void kfd_unbind_processes_from_device(struct kfd_dev *dev) - { - struct kfd_process_device *pdd; - struct kfd_process *p; -- unsigned int temp, temp_bound, temp_pasid; -+ unsigned int temp; - - int idx = srcu_read_lock(&kfd_processes_srcu); - - hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) { - down_write(&p->lock); - pdd = kfd_get_process_device_data(dev, p); -- temp_bound = pdd->bound; -- temp_pasid = p->pasid; -+ - if (pdd->bound == PDD_BOUND) - pdd->bound = PDD_BOUND_SUSPENDED; - up_write(&p->lock); -- -- if (temp_bound == PDD_BOUND) -- amd_iommu_unbind_pasid(dev->pdev, temp_pasid); - } - - srcu_read_unlock(&kfd_processes_srcu, idx); --- -2.7.4 - |