diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c index 420bd84d8483..1c744e029454 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/gk104.c @@ -27,6 +27,7 @@ #include <subdev/gpio.h> #include <subdev/bios.h> #include <subdev/bios/volt.h> +#include <subdev/fuse.h> #define gk104_volt(p) container_of((p), struct gk104_volt, base) struct gk104_volt { @@ -34,7 +35,7 @@ struct gk104_volt { struct nvbios_volt bios; }; -int +static int gk104_volt_get(struct nvkm_volt *base) { struct nvbios_volt *bios = &gk104_volt(base)->bios; @@ -47,7 +48,7 @@ gk104_volt_get(struct nvkm_volt *base) return bios->base + bios->pwm_range * duty / div; } -int +static int gk104_volt_set(struct nvkm_volt *base, u32 uv) { struct nvbios_volt *bios = &gk104_volt(base)->bios; @@ -64,13 +65,33 @@ gk104_volt_set(struct nvkm_volt *base, u32 uv) return 0; } +static int +gk104_volt_speedo_read(struct nvkm_volt *volt) +{ + struct nvkm_device *device = volt->subdev.device; + struct nvkm_fuse *fuse = device->fuse; + int ret; + + if (!fuse) + return -EINVAL; + + nvkm_wr32(device, 0x122634, 0x0); + ret = nvkm_fuse_read(fuse, 0x3a8); + nvkm_wr32(device, 0x122634, 0x41); + return ret; +} + static const struct nvkm_volt_func gk104_volt_pwm = { + .oneinit = gf100_volt_oneinit, .volt_get = gk104_volt_get, .volt_set = gk104_volt_set, + .speedo_read = gk104_volt_speedo_read, }, gk104_volt_gpio = { + .oneinit = gf100_volt_oneinit, .vid_get = nvkm_voltgpio_get, .vid_set = nvkm_voltgpio_set, + .speedo_read = gk104_volt_speedo_read, }; int |
