diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c index ce70a193caa7..ea2e11771bca 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c @@ -26,6 +26,24 @@ #include <core/msgqueue.h> #include <subdev/timer.h> +bool +nvkm_pmu_fan_controlled(struct nvkm_device *device) +{ + struct nvkm_pmu *pmu = device->pmu; + + /* Internal PMU FW does not currently control fans in any way, + * allow SW control of fans instead. + */ + if (pmu && pmu->func->code.size) + return false; + + /* Default (board-loaded, or VBIOS PMU/PREOS) PMU FW on Fermi + * and newer automatically control the fan speed, which would + * interfere with SW control. + */ + return (device->chipset >= 0xc0); +} + void nvkm_pmu_pgob(struct nvkm_pmu *pmu, bool enable) { |