diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3049-drm-amdkfd-Delete-an-useless-call-of-kfd_flush_tlb.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3049-drm-amdkfd-Delete-an-useless-call-of-kfd_flush_tlb.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3049-drm-amdkfd-Delete-an-useless-call-of-kfd_flush_tlb.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3049-drm-amdkfd-Delete-an-useless-call-of-kfd_flush_tlb.patch new file mode 100644 index 00000000..fcc6f9be --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3049-drm-amdkfd-Delete-an-useless-call-of-kfd_flush_tlb.patch @@ -0,0 +1,32 @@ +From 23bf70ad8e4d5a722475c6e06f289c625dfa4b7c Mon Sep 17 00:00:00 2001 +From: Yong Zhao <yong.zhao@amd.com> +Date: Tue, 2 Jan 2018 15:10:18 -0500 +Subject: [PATCH 3049/4131] drm/amdkfd: Delete an useless call of + kfd_flush_tlb() + +During process creation, no vmid is associated with the process for both +HWS and non-HWS case, because no queues have been created. So a TLB +flush doesn't make sense. + +Change-Id: I7e7a170cf4b095b74b24555f923a7d6b0d09b929 +Signed-off-by: Yong Zhao <yong.zhao@amd.com> +--- + drivers/gpu/drm/amd/amdkfd/kfd_process.c | 2 -- + 1 file changed, 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c +index e8e4ddb..e178dda 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c +@@ -136,8 +136,6 @@ static int kfd_process_alloc_gpuvm(struct kfd_process *p, + goto sync_memory_failed; + } + +- kfd_flush_tlb(kdev, p->pasid); +- + /* Create an obj handle so kfd_process_device_remove_obj_handle + * will take care of the bo removal when the process finishes. + * We do not need to take p->mutex, because the process is just +-- +2.7.4 + |