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| author |   Arunpravin <Arunpravin.PaneerSelvam@amd.com> | 2020-11-27 21:40:24 +0530 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2020-12-01 15:59:15 -0500 |
| commit | 22dd89828a681d0437b7941e26366b0ff36c771f (patch) | |
| tree | b8f4c1cf1620dc018e3f731864f7a77450e25abc | |
| parent | drm/amdgpu: Set doorbell range for gfx ring (diff) | |
| download | wireguard-linux-22dd89828a681d0437b7941e26366b0ff36c771f.tar.xz wireguard-linux-22dd89828a681d0437b7941e26366b0ff36c771f.zip | |
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>
| -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 62c34a01a3e1..624065d3c079 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 @@ -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), |