drm/amd/powerplay: fix fan speed percent setting error on Tonga

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2016-04-11 14:27:51 -04:00 коммит произвёл Alex Deucher
Родитель 85621630f1
Коммит d9624f8c68
1 изменённых файлов: 2 добавлений и 2 удалений

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@ -195,8 +195,8 @@ int tonga_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed)
if (0 == duty100) if (0 == duty100)
return -EINVAL; return -EINVAL;
tmp64 = (uint64_t)speed * 100; tmp64 = (uint64_t)speed * duty100;
do_div(tmp64, duty100); do_div(tmp64, 100);
duty = (uint32_t)tmp64; duty = (uint32_t)tmp64;
PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL0, FDO_STATIC_DUTY, duty); PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL0, FDO_STATIC_DUTY, duty);