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From 1c8d1b39c9dc09a04add29781db119ed9a042744 Mon Sep 17 00:00:00 2001
From: Eric Huang <JinHuiEric.Huang@amd.com>
Date: Mon, 11 Apr 2016 14:27:51 -0400
Subject: [PATCH 0479/1110] 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>
---
drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c
index 23f8463..47ef1ca 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c
@@ -195,8 +195,8 @@ int tonga_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, uint32_t speed)
if (0 == duty100)
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, CG_FDO_CTRL0, FDO_STATIC_DUTY, duty);
--
2.7.4
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