diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_pm.c | 48 |
1 files changed, 45 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index ca2ece24e1e0..f3cb490fe79b 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -1799,6 +1799,44 @@ static ssize_t amdgpu_set_apu_thermal_cap(struct device *dev, return count; } +static int amdgpu_pm_metrics_attr_update(struct amdgpu_device *adev, + struct amdgpu_device_attr *attr, + uint32_t mask, + enum amdgpu_device_attr_states *states) +{ + if (amdgpu_dpm_get_pm_metrics(adev, NULL, 0) == -EOPNOTSUPP) + *states = ATTR_STATE_UNSUPPORTED; + + return 0; +} + +static ssize_t amdgpu_get_pm_metrics(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + ssize_t size = 0; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + if (adev->in_suspend && !adev->in_runpm) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + size = amdgpu_dpm_get_pm_metrics(adev, buf, PAGE_SIZE); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + /** * DOC: gpu_metrics * @@ -2096,6 +2134,8 @@ static struct amdgpu_device_attr amdgpu_device_attrs[] = { AMDGPU_DEVICE_ATTR_RW(smartshift_bias, ATTR_FLAG_BASIC, .attr_update = ss_bias_attr_update), AMDGPU_DEVICE_ATTR_RW(xgmi_plpd_policy, ATTR_FLAG_BASIC), + AMDGPU_DEVICE_ATTR_RO(pm_metrics, ATTR_FLAG_BASIC, + .attr_update = amdgpu_pm_metrics_attr_update), }; static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr, @@ -2128,7 +2168,9 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_ if (amdgpu_dpm_is_overdrive_supported(adev)) *states = ATTR_STATE_SUPPORTED; } else if (DEVICE_ATTR_IS(mem_busy_percent)) { - if (adev->flags & AMD_IS_APU || gc_ver == IP_VERSION(9, 0, 1)) + if ((adev->flags & AMD_IS_APU && + gc_ver != IP_VERSION(9, 4, 3)) || + gc_ver == IP_VERSION(9, 0, 1)) *states = ATTR_STATE_UNSUPPORTED; } else if (DEVICE_ATTR_IS(pcie_bw)) { /* PCIe Perf counters won't work on APU nodes */ @@ -2198,10 +2240,10 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_ } else if (DEVICE_ATTR_IS(xgmi_plpd_policy)) { if (amdgpu_dpm_get_xgmi_plpd_mode(adev, NULL) == XGMI_PLPD_NONE) *states = ATTR_STATE_UNSUPPORTED; - } else if (DEVICE_ATTR_IS(pp_dpm_mclk_od)) { + } else if (DEVICE_ATTR_IS(pp_mclk_od)) { if (amdgpu_dpm_get_mclk_od(adev) == -EOPNOTSUPP) *states = ATTR_STATE_UNSUPPORTED; - } else if (DEVICE_ATTR_IS(pp_dpm_sclk_od)) { + } else if (DEVICE_ATTR_IS(pp_sclk_od)) { if (amdgpu_dpm_get_sclk_od(adev) == -EOPNOTSUPP) *states = ATTR_STATE_UNSUPPORTED; } else if (DEVICE_ATTR_IS(apu_thermal_cap)) { |