diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2015-02-01 23:08:14 (GMT) |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2015-03-16 23:44:22 (GMT) |
| commit | 9fcaa149e7d264822f7ef748ca4a7af643d88ec9 (patch) | |
| tree | dae26a2e794416c80083d590feed8a1a6c5fde7b /drivers/gpu | |
| parent | 404ba3f79089a01c1ebacccafa08a5db4a4cd2af (diff) | |
| download | linux-9fcaa149e7d264822f7ef748ca4a7af643d88ec9.tar.xz | |
drm/nouveau/device: post write to NV_PMC_BOOT_1 when flipping endian switch
fdo#88868
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/device/base.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c index 29bd539..6efa8f3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c @@ -340,11 +340,13 @@ nvkm_devobj_ctor(struct nvkm_object *parent, struct nvkm_object *engine, /* switch mmio to cpu's native endianness */ #ifndef __BIG_ENDIAN - if (ioread32_native(map + 0x000004) != 0x00000000) + if (ioread32_native(map + 0x000004) != 0x00000000) { #else - if (ioread32_native(map + 0x000004) == 0x00000000) + if (ioread32_native(map + 0x000004) == 0x00000000) { #endif iowrite32_native(0x01000001, map + 0x000004); + ioread32_native(map); + } /* read boot0 and strapping information */ boot0 = ioread32_native(map + 0x000000); |