mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-01 06:33:07 +00:00
Code Issues Releases Wiki Activity

drm/amd/powerplay: error out when force clock level under auto dpm mode V2

Browse source 
Forcing clock level is supported under manual dpm mode only. Error out
when trying to set under manual mode. Instead of doing nothing and
reporting success.

V2: update for mclk/pcie clock level settings also

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>
This commit is contained in:
Evan Quan 2018-10-17 16:36:02 +08:00 committed by Alex Deucher
parent f2bfc71aee
commit 241dbbb1fb
2 changed files with 19 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
View file

@ -704,7 +704,10 @@ static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev,
return ret;
if (adev->powerplay.pp_funcs->force_clock_level)
amdgpu_dpm_force_clock_level(adev, PP_SCLK, mask);
ret = amdgpu_dpm_force_clock_level(adev, PP_SCLK, mask);
if (ret)
return -EINVAL;
return count;
}
@ -737,7 +740,10 @@ static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev,
return ret;
if (adev->powerplay.pp_funcs->force_clock_level)
amdgpu_dpm_force_clock_level(adev, PP_MCLK, mask);
ret = amdgpu_dpm_force_clock_level(adev, PP_MCLK, mask);
if (ret)
return -EINVAL;
return count;
}
@ -770,7 +776,10 @@ static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev,
return ret;
if (adev->powerplay.pp_funcs->force_clock_level)
amdgpu_dpm_force_clock_level(adev, PP_PCIE, mask);
ret = amdgpu_dpm_force_clock_level(adev, PP_PCIE, mask);
if (ret)
return -EINVAL;
return count;
}

11
drivers/gpu/drm/amd/powerplay/amd_powerplay.c
View file

@ -723,11 +723,14 @@ static int pp_dpm_force_clock_level(void *handle,
pr_info("%s was not implemented.\n", __func__);
return 0;
}
if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
pr_info("force clock level is for dpm manual mode only.\n");
return -EINVAL;
}
mutex_lock(&hwmgr->smu_lock);
if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL)
ret = hwmgr->hwmgr_func->force_clock_level(hwmgr, type, mask);
else
ret = -EINVAL;
ret = hwmgr->hwmgr_func->force_clock_level(hwmgr, type, mask);
mutex_unlock(&hwmgr->smu_lock);
return ret;
}