From f4df22dd3a01479670f9cbb90ffce7c9d0f46115 Mon Sep 17 00:00:00 2001
From: Eric Huang <JinhuiEric.Huang@amd.com>
Date: Mon, 26 Jul 2021 11:29:10 -0400
Subject: Revert "Revert "drm/amdkfd: Add memory sync before TLB flush on
unmap""
Git-commit: 626803d1f21719d4a91d3f693fc3b1515993b8e5
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
This reverts commit 4bba567c8c35a9cbcd16fb4780a0c3dfd162e08e.
Revert reason: The issue has been resolved.
Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index f392c0da0972..67541c30327a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1566,7 +1566,6 @@ static int kfd_ioctl_unmap_memory_from_gpu(struct file *filep,
i, args->n_devices);
goto unmap_memory_from_gpu_failed;
}
- kfd_flush_tlb(peer_pdd, TLB_FLUSH_HEAVYWEIGHT);
args->n_success = i+1;
}
mutex_unlock(&p->mutex);
--
2.38.1