diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c index 6b25e25f9eba..09f669ac6630 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c @@ -161,6 +161,16 @@ nvkm_mc_enable(struct nvkm_device *device, enum nvkm_devidx devidx) } } +bool +nvkm_mc_enabled(struct nvkm_device *device, enum nvkm_devidx devidx) +{ + u64 pmc_enable = nvkm_mc_reset_mask(device, false, devidx); + + return (pmc_enable != 0) && + ((nvkm_rd32(device, 0x000200) & pmc_enable) == pmc_enable); +} + + static int nvkm_mc_fini(struct nvkm_subdev *subdev, bool suspend) { |