diff options
| author | Arunpravin <Arunpravin.PaneerSelvam@amd.com> | 2020-11-27 19:10:24 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-12-03 06:51:10 +0300 |
| commit | acab02c1af43d3a9051524579b1c3dcfbfa5479d (patch) | |
| tree | 0ee3e8c4d84f03c72e16c40ef32366b9976a08ab /drivers/gpu | |
| parent | b65054597872ce3aefbc6a666385eabdf9e288da (diff) | |
| download | linux-acab02c1af43d3a9051524579b1c3dcfbfa5479d.tar.xz | |
drm/amdgpu/pm/smu11: Fix fan set speed bug
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>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c | 7 |
1 files changed, 6 insertions, 1 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 2380759ddf48..6db96fa1df09 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 @@ -1164,7 +1164,12 @@ 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), |