diff options
| author | Martin Peres <martin.peres@free.fr> | 2016-09-29 03:41:35 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-02-17 17:38:17 +1000 |
| commit | 800efb4c2857ec543fdc33585bbcb1fd5ef28337 (patch) | |
| tree | aa5da9c49ec0cbeda3d79a9dd2a3a03d39975e37 /drivers/gpu | |
| parent | 7722e1b0b6accab2ca11da0e9c708459fff65fb4 (diff) | |
drm/nouveau/drm/therm/fan: add a fallback if no fan control is specified in the vbios
This seems to be absolutely necessary for a lot of NV40.
Reported-by: gsgf on IRC/freenode
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/therm/base.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c index 8894fee30cbc..df949fa7d05d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c @@ -64,10 +64,9 @@ nvkm_therm_update_trip(struct nvkm_therm *therm) } static int -nvkm_therm_update_linear(struct nvkm_therm *therm) +nvkm_therm_compute_linear_duty(struct nvkm_therm *therm, u8 linear_min_temp, + u8 linear_max_temp) { - u8 linear_min_temp = therm->fan->bios.linear_min_temp; - u8 linear_max_temp = therm->fan->bios.linear_max_temp; u8 temp = therm->func->temp_get(therm); u16 duty; @@ -85,6 +84,21 @@ nvkm_therm_update_linear(struct nvkm_therm *therm) return duty; } +static int +nvkm_therm_update_linear(struct nvkm_therm *therm) +{ + u8 min = therm->fan->bios.linear_min_temp; + u8 max = therm->fan->bios.linear_max_temp; + return nvkm_therm_compute_linear_duty(therm, min, max); +} + +static int +nvkm_therm_update_linear_fallback(struct nvkm_therm *therm) +{ + u8 max = therm->bios_sensor.thrs_fan_boost.temp; + return nvkm_therm_compute_linear_duty(therm, 30, max); +} + static void nvkm_therm_update(struct nvkm_therm *therm, int mode) { @@ -119,6 +133,8 @@ nvkm_therm_update(struct nvkm_therm *therm, int mode) case NVBIOS_THERM_FAN_OTHER: if (therm->cstate) duty = therm->cstate; + else + duty = nvkm_therm_update_linear_fallback(therm); poll = false; break; } |