drm/nouveau/therm/fan: do not use the pwm mode when the vbios tells us to use toggle
Signed-off-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/subdev/therm/fanpwm.c b/drivers/gpu/drm/nouveau/core/subdev/therm/fanpwm.c
index 9a5c073..c629d7f 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/therm/fanpwm.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/therm/fanpwm.c
@@ -25,6 +25,8 @@
#include <core/option.h>
#include <subdev/gpio.h>
+#include <subdev/bios.h>
+#include <subdev/bios/fan.h>
#include "priv.h"
@@ -86,11 +88,15 @@
{
struct nouveau_device *device = nv_device(therm);
struct nouveau_therm_priv *tpriv = (void *)therm;
+ struct nouveau_bios *bios = nouveau_bios(therm);
struct nouveau_fanpwm_priv *priv;
+ struct nvbios_therm_fan fan;
u32 divs, duty;
+ nvbios_fan_parse(bios, &fan);
+
if (!nouveau_boolopt(device->cfgopt, "NvFanPWM", func->param) ||
- !therm->pwm_ctrl ||
+ !therm->pwm_ctrl || fan.type == NVBIOS_THERM_FAN_TOGGLE ||
therm->pwm_get(therm, func->line, &divs, &duty) == -ENODEV)
return -ENODEV;