[Nouveau] [PATCH] bios/fan: hardcode the fan mode to linear

Martin Peres martin.peres at free.fr
Sun Nov 29 06:10:18 PST 2015


This is an oversight that made use of the trip-point-based fan managenent on
cards that never expose those. This led the fan to stay at fan_min.

Fortunately, the emergency code would kick when the temperature would reach
90°C.

Reported-by: Tom Englund <tomenglund26 at gmail.com>
Tested-by: Tom Englund <tomenglund26 at gmail.com>
Signed-off-by: Martin Peres <martin.peres at free.fr>
---
 drm/nouveau/nvkm/subdev/bios/fan.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drm/nouveau/nvkm/subdev/bios/fan.c b/drm/nouveau/nvkm/subdev/bios/fan.c
index 43006db..80fed7e 100644
--- a/drm/nouveau/nvkm/subdev/bios/fan.c
+++ b/drm/nouveau/nvkm/subdev/bios/fan.c
@@ -83,6 +83,7 @@ nvbios_fan_parse(struct nvkm_bios *bios, struct nvbios_therm_fan *fan)
 			fan->type = NVBIOS_THERM_FAN_UNK;
 		}
 
+		fan->fan_mode = NVBIOS_THERM_FAN_LINEAR;
 		fan->min_duty = nvbios_rd08(bios, data + 0x02);
 		fan->max_duty = nvbios_rd08(bios, data + 0x03);
 
-- 
2.6.2



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