diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_dpm.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c index 81e9b443ca0a..9f5768fa97dd 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c @@ -329,6 +329,34 @@ int amdgpu_dpm_mode1_reset(struct amdgpu_device *adev) return ret; } +bool amdgpu_dpm_is_link_reset_supported(struct amdgpu_device *adev) +{ + struct smu_context *smu = adev->powerplay.pp_handle; + bool support_link_reset = false; + + if (is_support_sw_smu(adev)) { + mutex_lock(&adev->pm.mutex); + support_link_reset = smu_link_reset_is_support(smu); + mutex_unlock(&adev->pm.mutex); + } + + return support_link_reset; +} + +int amdgpu_dpm_link_reset(struct amdgpu_device *adev) +{ + struct smu_context *smu = adev->powerplay.pp_handle; + int ret = -EOPNOTSUPP; + + if (is_support_sw_smu(adev)) { + mutex_lock(&adev->pm.mutex); + ret = smu_link_reset(smu); + mutex_unlock(&adev->pm.mutex); + } + + return ret; +} + int amdgpu_dpm_switch_power_profile(struct amdgpu_device *adev, enum PP_SMC_POWER_PROFILE type, bool en) |