diff options
| author | Evan Quan <evan.quan@amd.com> | 2022-12-16 17:12:53 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-01-05 11:43:24 -0500 |
| commit | c595637f8a7c6bdef2ec16f6ee0f6cd727603223 (patch) | |
| tree | 55cd3cf08b18c603a768407b0f437b2b2f13a67b | |
| parent | 94a86ba265ad4d39f5a832a8acae8c7e93b0d9c0 (diff) | |
drm/amd/pm: correct the reference clock for fan speed(rpm) calculation
Correct the reference clock as 25Mhz for SMU13 fan speed calculation.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c index 0ac9cac805f9..8bc70ed7ed00 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c @@ -1261,7 +1261,8 @@ int smu_v13_0_set_fan_speed_rpm(struct smu_context *smu, uint32_t speed) { struct amdgpu_device *adev = smu->adev; - uint32_t tach_period, crystal_clock_freq; + uint32_t crystal_clock_freq = 2500; + uint32_t tach_period; int ret; if (!speed) @@ -1271,7 +1272,6 @@ int smu_v13_0_set_fan_speed_rpm(struct smu_context *smu, if (ret) return ret; - crystal_clock_freq = amdgpu_asic_get_xclk(adev); tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed); WREG32_SOC15(THM, 0, regCG_TACH_CTRL, REG_SET_FIELD(RREG32_SOC15(THM, 0, regCG_TACH_CTRL), |