Files
linux/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h
Karol Herbst 437bb44d38 drm/nouveau/volt: save the voltage range we are able to set
We shouldn't set voltages below the min or above the max voltage the gpu is
able to set, so save the range for future lookups.

Signed-off-by: Karol Herbst <karolherbst@gmail.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00

28 lines
640 B
C

#ifndef __NVKM_VOLT_H__
#define __NVKM_VOLT_H__
#include <core/subdev.h>
struct nvkm_volt {
const struct nvkm_volt_func *func;
struct nvkm_subdev subdev;
u8 vid_mask;
u8 vid_nr;
struct {
u32 uv;
u8 vid;
} vid[256];
u32 max_uv;
u32 min_uv;
};
int nvkm_volt_get(struct nvkm_volt *);
int nvkm_volt_set_id(struct nvkm_volt *, u8 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 **);
int gk20a_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
int gm20b_volt_new(struct nvkm_device *, int, struct nvkm_volt **);
#endif