diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/bios/therm.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/bios/therm.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/therm.c b/drivers/gpu/drm/nouveau/core/subdev/bios/therm.c index 862a08a2ae2..22a20573ed1 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/therm.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/therm.c @@ -55,7 +55,7 @@ therm_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *len, u8 *cnt) return therm + nv_ro08(bios, therm + 1); } -u16 +static u16 nvbios_therm_entry(struct nouveau_bios *bios, int idx, u8 *ver, u8 *len) { u8 hdr, cnt; @@ -155,10 +155,15 @@ int nvbios_therm_fan_parse(struct nouveau_bios *bios, struct nvbios_therm_fan *fan) { + struct nouveau_therm_trip_point *cur_trip = NULL; u8 ver, len, i; u16 entry; + uint8_t duty_lut[] = { 0, 0, 25, 0, 40, 0, 50, 0, + 75, 0, 85, 0, 100, 0, 100, 0 }; + i = 0; + fan->nr_fan_trip = 0; while ((entry = nvbios_therm_entry(bios, i++, &ver, &len))) { s16 value = nv_ro16(bios, entry + 1); @@ -167,9 +172,30 @@ nvbios_therm_fan_parse(struct nouveau_bios *bios, fan->min_duty = value & 0xff; fan->max_duty = (value & 0xff00) >> 8; break; + case 0x24: + fan->nr_fan_trip++; + cur_trip = &fan->trip[fan->nr_fan_trip - 1]; + cur_trip->hysteresis = value & 0xf; + cur_trip->temp = (value & 0xff0) >> 4; + cur_trip->fan_duty = duty_lut[(value & 0xf000) >> 12]; + break; + case 0x25: + cur_trip = &fan->trip[fan->nr_fan_trip - 1]; + cur_trip->fan_duty = value; + break; case 0x26: fan->pwm_freq = value; break; + case 0x3b: + fan->bump_period = value; + break; + case 0x3c: + fan->slow_down_period = value; + break; + case 0x46: + fan->linear_min_temp = nv_ro08(bios, entry + 1); + fan->linear_max_temp = nv_ro08(bios, entry + 2); + break; } } |