diff options
| author | Martin Peres <martin.peres@free.fr> | 2015-09-09 04:05:51 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2015-11-03 15:02:18 +1000 |
| commit | 4c58a05b4a4709db7a1667d740f3ac2725fa3ce4 (patch) | |
| tree | 67ab4c0d90e3f390dca2f836bd5a01df945bc452 /drivers/gpu | |
| parent | 7bddeba9663962a5bd507e636c84361852314f04 (diff) | |
drm/nouveau/volt: add support for non-vid-based voltage controllers
This patch is not ideal but it definitely beats a rewrite of the current
interface and is very self-contained.
Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h | 2 |
2 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c index 4752dbd33923..50b5649ad1a4 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/base.c @@ -30,7 +30,12 @@ int nvkm_volt_get(struct nvkm_volt *volt) { - int ret = volt->func->vid_get(volt), i; + int ret, i; + + if (volt->func->volt_get) + return volt->func->volt_get(volt); + + ret = volt->func->vid_get(volt); if (ret >= 0) { for (i = 0; i < volt->vid_nr; i++) { if (volt->vid[i].vid == ret) @@ -46,6 +51,10 @@ nvkm_volt_set(struct nvkm_volt *volt, u32 uv) { struct nvkm_subdev *subdev = &volt->subdev; int i, ret = -EINVAL; + + if (volt->func->volt_set) + return volt->func->volt_set(volt, uv); + for (i = 0; i < volt->vid_nr; i++) { if (volt->vid[i].uv == uv) { ret = volt->func->vid_set(volt, volt->vid[i].vid); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h index 394f37c723af..cdb3d9f80aa6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h @@ -9,6 +9,8 @@ int nvkm_volt_new_(const struct nvkm_volt_func *, struct nvkm_device *, int index, struct nvkm_volt **); struct nvkm_volt_func { + int (*volt_get)(struct nvkm_volt *); + int (*volt_set)(struct nvkm_volt *, u32 uv); int (*vid_get)(struct nvkm_volt *); int (*vid_set)(struct nvkm_volt *, u8 vid); int (*set_id)(struct nvkm_volt *, u8 id, int condition); |