diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4663-Revert-drm-amdgpu-band-aid-validating-VM-PTs.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4663-Revert-drm-amdgpu-band-aid-validating-VM-PTs.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4663-Revert-drm-amdgpu-band-aid-validating-VM-PTs.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4663-Revert-drm-amdgpu-band-aid-validating-VM-PTs.patch new file mode 100644 index 00000000..fc7ff9b1 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4663-Revert-drm-amdgpu-band-aid-validating-VM-PTs.patch @@ -0,0 +1,31 @@ +From 5c91e0c2198e17566bf5a9592101fba669315324 Mon Sep 17 00:00:00 2001 +From: Aaron Liu <aaron.liu@amd.com> +Date: Thu, 12 Jul 2018 18:51:41 +0800 +Subject: [PATCH 4663/5725] Revert "drm/amdgpu: band aid validating VM PTs" + +This reverts commit 8c04c9cab535ab38a2ccf4d99ce172e75d6ce316. + +Reason for revert is still performance drop(5%-10%), ref to SWDEV-156548 + +Change-Id: Icaf9c1a98ddd56ab199af6e148c9286742acfad3 +Signed-off-by: Aaron Liu <aaron.liu@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +index a74cd1d..3fb0340 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +@@ -1081,7 +1081,7 @@ int amdgpu_vm_update_directories(struct amdgpu_device *adev, + struct amdgpu_vm_bo_base, + vm_status); + bo_base->moved = false; +- list_del_init(&bo_base->vm_status); ++ list_move(&bo_base->vm_status, &vm->idle); + + bo = bo_base->bo->parent; + if (!bo) +-- +2.7.4 + |