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path: root/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c')
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
index 5f8809f6990d..2fbd2926a531 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
@@ -1228,6 +1228,8 @@ int smu_v11_0_set_fan_speed_rpm(struct smu_context *smu,
uint32_t crystal_clock_freq = 2500;
uint32_t tach_period;
+ if (speed == 0)
+ return -EINVAL;
/*
* To prevent from possible overheat, some ASICs may have requirement
* for minimum fan speed: