Home Explore Help
Sign In
GfA
/
linux_kernel
5
0
Fork 0
Files Issues 0 Pull Requests 0 Wiki
Browse Source

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>
Eric Huang 9 years ago
parent
85621630f1
commit
d9624f8c68
1 changed files with 2 additions and 2 deletions
Split View Show Diff Stats
  1. 2 2
      drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c

+ 2 - 2
drivers/gpu/drm/amd/powerplay/hwmgr/tonga_thermal.c
View File 

@@ -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);