[PATCH] drm/amd/powerplay: fix fan speed percent setting error on Polaris10

[Alex Deucher]

From: Eric Huang <jinhuieric.hu...@amd.com>

The logic was reversed.

Signed-off-by: Eric Huang <JinHuiEric.Huang at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c 
b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c
index d2f553d..d39c89b 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_thermal.c
@@ -220,8 +220,8 @@ int polaris10_fan_ctrl_set_fan_speed_percent(struct 
pp_hwmgr *hwmgr,
        if (duty100 == 0)
                return -EINVAL;

-       tmp64 = (uint64_t)speed * 100;
-       do_div(tmp64, duty100);
+       tmp64 = (uint64_t)speed * duty100;
+       do_div(tmp64, 100);
        duty = (uint32_t)tmp64;

        PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
-- 
2.5.5