diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2016-04-14 07:41:52 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2016-05-20 07:43:04 +0300 |
| commit | c83e7d6836e1e7bf6ed30905444fa47d4ef0a82e (patch) | |
| tree | 244a64e4a230f4f42ae294e39b03507527afc003 /drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c | |
| parent | 54aa38a8ad5cf91fece3d4b70f9eb1701599c0d1 (diff) | |
| download | linux-c83e7d6836e1e7bf6ed30905444fa47d4ef0a82e.tar.xz | |
drm/nouveau/gr/gm200: modify the mask when copying mmu settings from fb
Appears to more closely match what RM does.
For GM20B, now also copying bit 12 from NV_PFB_MMU_CTRL as upcoming
changes will require it.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c index 962366fc3e76..e2384c4b891b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c @@ -36,10 +36,8 @@ static void gm200_gr_init_gpc_mmu(struct gf100_gr *gr) { struct nvkm_device *device = gr->base.engine.subdev.device; - u32 tmp; - tmp = nvkm_rd32(device, 0x100c80); /*XXX: mask? */ - nvkm_wr32(device, 0x418880, 0x00001000 | (tmp & 0x00000fff)); + nvkm_wr32(device, 0x418880, nvkm_rd32(device, 0x100c80) & 0xf0001fff); nvkm_wr32(device, 0x418890, 0x00000000); nvkm_wr32(device, 0x418894, 0x00000000); |