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drm/nouveau/volt: Add min_id parameter to nvkm_volt_set_id

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Each pstate has its own voltage map entry like each cstate has.

The voltages of those entries act as a floor value for the currently
selected pstate and nvidia never sets a voltage below them.

Signed-off-by: Karol Herbst <karolherbst@gmail.com>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Karol Herbst
2016-07-12 21:36:08 +02:00
committed by Ben Skeggs
parent 4a4555a7f1
commit fa6c4d8e2c
3 changed files with 9 additions and 4 deletions
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2
drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h
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@@ -29,7 +29,7 @@ struct nvkm_volt {
int nvkm_volt_map_min(struct nvkm_volt *volt, u8 id);
int nvkm_volt_get(struct nvkm_volt *);
int nvkm_volt_set_id(struct nvkm_volt *, u8 id, int condition);
int nvkm_volt_set_id(struct nvkm_volt *, u8 id, u8 min_id, int condition);
int nv40_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
int gk104_volt_new(struct nvkm_device *, int, struct nvkm_volt **);