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| author | Evan Quan <evan.quan@amd.com> | 2022-12-16 17:12:53 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-18 11:58:13 +0100 |
| commit | b435f68e415ca5e17e3425893ea991720a43b595 (patch) | |
| tree | 4940c6486283b78adbcafc988177b779aae135a3 /drivers | |
| parent | 9196eb7c52e55749a332974f0081f77d53d60199 (diff) | |
| download | linux-b435f68e415ca5e17e3425893ea991720a43b595.tar.gz | |
drm/amd/pm: correct the reference clock for fan speed(rpm) calculation
commit 6fea87637bf36bd285227f490132e83582ab7513 upstream. 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> Cc: stable@vger.kernel.org # 6.0.x, 6.1.x Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -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 9b96902adad3..cfb7f4475c82 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 @@ -1258,7 +1258,8 @@ 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) @@ -1268,7 +1269,6 @@ 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), |