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drm/nvc0/therm: allow fan control if we've killed the vbios ppwr ucode

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-10-15 10:31:05 +10:00
parent 36faa2fc22
commit 09b8d73bd5
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/drm/nouveau/core/subdev/therm/base.c
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@ -168,14 +168,15 @@ nouveau_therm_fan_mode(struct nouveau_therm *therm, int mode)
"automatic"
};
/* The default PDAEMON ucode interferes with fan management */
/* The default PPWR ucode on fermi interferes with fan management */
if ((mode >= ARRAY_SIZE(name)) ||
(mode != NOUVEAU_THERM_CTRL_NONE && device->card_type >= NV_C0))
(mode != NOUVEAU_THERM_CTRL_NONE && device->card_type >= NV_C0 &&
!nouveau_subdev(device, NVDEV_SUBDEV_PWR)))
return -EINVAL;
/* do not allow automatic fan management if the thermal sensor is
* not available */
if (priv->mode == 2 && therm->temp_get(therm) < 0)
if (priv->mode == NOUVEAU_THERM_CTRL_AUTO && therm->temp_get(therm) < 0)
return -EINVAL;
if (priv->mode == mode)