Commit a814a29d authored Nov 29, 2015 by Martin Peres Committed by Ben Skeggs Dec 18, 2015

drm/nouveau/bios/fan: hardcode the fan mode to linear



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@gmail.com>
Tested-by: Tom Englund <tomenglund26@gmail.com>
Signed-off-by: Martin Peres <martin.peres@free.fr>
Tested-by: Daemon32 <lnf.purple@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92126


Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org

parent 714a98fc

drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);