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drm/nouveau/device/pci: set as non-CPU-coherent on ARM64

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Without this buffer inconsistencies may appear between the CPU
and GPU when using a PCI GPU on an ARM64 board.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Alexandre Courbot 2016-03-03 16:03:02 +09:00 committed by Ben Skeggs
parent f2014cd02c
commit 1733a2ad36
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/nvkm/engine/device/pci.c
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@ -1614,7 +1614,7 @@ nvkm_device_pci_func = {
.fini = nvkm_device_pci_fini,
.resource_addr = nvkm_device_pci_resource_addr,
.resource_size = nvkm_device_pci_resource_size,
.cpu_coherent = !IS_ENABLED(CONFIG_ARM),
.cpu_coherent = !IS_ENABLED(CONFIG_ARM) && !IS_ENABLED(CONFIG_ARM64),
};
int