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| author |   Ben Skeggs <bskeggs@redhat.com> | 2018-05-08 20:39:46 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2018-05-18 15:01:21 +1000 |
| commit | c5c9127b25b2946369877d16b3c208cf54d4bf54 (patch) | |
| tree | 076d07e3f9defef3378c00feddd478923c168fc4 /drivers/gpu/drm/nouveau/nvkm/core/subdev.c | |
| parent | drm/nouveau/disp/nv50-: pass nvkm_memory objects for channel push buffers (diff) | |
| download | linux-dev-c5c9127b25b2946369877d16b3c208cf54d4bf54.tar.xz linux-dev-c5c9127b25b2946369877d16b3c208cf54d4bf54.zip | |
drm/nouveau/device: implement a generic method to query device-specific properties
We have a need to fetch data from GPU-specific sub-devices that is not
tied to any particular engine object.
This commit provides the framework to support such queries.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/subdev.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/subdev.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c index c707306ac286..b96f9e2f237a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c @@ -93,6 +93,14 @@ nvkm_subdev_intr(struct nvkm_subdev *subdev) } int +nvkm_subdev_info(struct nvkm_subdev *subdev, u64 mthd, u64 *data) +{ + if (subdev->func->info) + return subdev->func->info(subdev, mthd, data); + return -ENOSYS; +} + +int nvkm_subdev_fini(struct nvkm_subdev *subdev, bool suspend) { struct nvkm_device *device = subdev->device; |