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authorEvan Quan <evan.quan@amd.com>2019-06-27 11:01:04 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-07-01 14:54:22 -0500
commit04796a3e44d4b09245706d04a79186957e9a951d (patch)
tree182f4a345364ef6ec1229fd805b35846e0d9285a /drivers/gpu/drm/amd/powerplay/smumgr
parentfdafb3597a2cc46217d67bc68253024744af59b9 (diff)
drm/amd/powerplay: use hardware fan control if no powerplay fan table
Otherwise, you may get divided-by-zero error or corrput the SMU fan control feature. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Tested-by: Slava Abramov <slava.abramov@amd.com> Acked-by: Slava Abramov <slava.abramov@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smumgr')
-rw-r--r--drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
index 196cd3a429e5..dc754447f0dd 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
@@ -2094,6 +2094,10 @@ static int polaris10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
return 0;
}
+ /* use hardware fan control */
+ if (hwmgr->thermal_controller.use_hw_fan_control)
+ return 0;
+
tmp64 = hwmgr->thermal_controller.advanceFanControlParameters.
usPWMMin * duty100;
do_div(tmp64, 10000);