leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/amd/pm/swsmu/smu11/smu_v11_0.c
View File

@@ -1187,7 +1187,12 @@ int smu_v11_0_set_fan_speed_rpm(struct smu_context *smu,
if (ret) if (ret)
return 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); tach_period = 60 * crystal_clock_freq * 10000 / (8 * speed);
WREG32_SOC15(THM, 0, mmCG_TACH_CTRL, WREG32_SOC15(THM, 0, mmCG_TACH_CTRL,
REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL), REG_SET_FIELD(RREG32_SOC15(THM, 0, mmCG_TACH_CTRL),