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mb (dsb sy) is not the same as membar_sync (dmb sy) on aarch64

This commit is contained in:
jmcneill 2020-10-17 10:47:28 +00:00
parent abea76d271
commit 7d45dbc78d
1 changed files with 3 additions and 3 deletions
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6
sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_gart.c vendored
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@ -1,4 +1,4 @@
/* $NetBSD: amdgpu_gart.c,v 1.3 2018/08/27 14:04:50 riastradh Exp $ */ /* $NetBSD: amdgpu_gart.c,v 1.4 2020/10/17 10:47:28 jmcneill Exp $ */
/* /*
* Copyright 2008 Advanced Micro Devices, Inc. * Copyright 2008 Advanced Micro Devices, Inc.
@ -28,7 +28,7 @@
* Jerome Glisse * Jerome Glisse
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: amdgpu_gart.c,v 1.3 2018/08/27 14:04:50 riastradh Exp $"); __KERNEL_RCSID(0, "$NetBSD: amdgpu_gart.c,v 1.4 2020/10/17 10:47:28 jmcneill Exp $");
#include <drm/drmP.h> #include <drm/drmP.h>
#include <drm/amdgpu_drm.h> #include <drm/amdgpu_drm.h>
@ -289,7 +289,7 @@ amdgpu_gart_post_update(struct amdgpu_device *adev, unsigned gpu_pgstart,
gpu_pgstart*entsize, gpu_npages*entsize, gpu_pgstart*entsize, gpu_npages*entsize,
BUS_DMASYNC_PREWRITE); BUS_DMASYNC_PREWRITE);
} }
membar_sync(); /* XXX overkill */ mb();
amdgpu_gart_flush_gpu_tlb(adev, 0); amdgpu_gart_flush_gpu_tlb(adev, 0);
} }
#endif #endif