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drm/amdgpu/pm/smu11: Fix fan set speed bug

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Fix fan set speed calculation.

Suggested-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Arunpravin <Arunpravin.PaneerSelvam@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Arunpravin
2020-11-27 21:40:24 +05:30
committed by Alex Deucher
parent 79c77ac603
commit 22dd89828a
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
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@@ -1187,7 +1187,12 @@ int smu_v11_0_set_fan_speed_rpm(struct smu_context *smu,
if (ret)
return ret;
crystal_clock_freq = amdgpu_asic_get_xclk(adev);
/*
* crystal_clock_freq div by 4 is required since the fan control
* module refers to 25MHz
*/
crystal_clock_freq = amdgpu_asic_get_xclk(adev) / 4;
tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed);
WREG32_SOC15(THM, 0, mmCG_TACH_CTRL,
REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL),