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drm/nouveau/imem/nv40: map bar2 write-combined 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2017-11-01 03:56:19 +10:00
parent 62465ac518
commit b807270cbd
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv40.c
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@ -67,6 +67,7 @@ nv40_instobj_ptrs = {
static void
nv40_instobj_release(struct nvkm_memory *memory)
{
wmb();
}
static void __iomem *
@ -253,8 +254,8 @@ nv40_instmem_new(struct nvkm_device *device, int index,
else
bar = 3;
imem->iomem = ioremap(device->func->resource_addr(device, bar),
device->func->resource_size(device, bar));
imem->iomem = ioremap_wc(device->func->resource_addr(device, bar),
device->func->resource_size(device, bar));
if (!imem->iomem) {
nvkm_error(&imem->base.subdev, "unable to map PRAMIN BAR\n");
return -EFAULT;