diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_pm.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index a68c8ba68c55..97c669dd4cac 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -1362,6 +1362,138 @@ static ssize_t amdgpu_set_pp_dpm_fclk(struct device *dev, return count; } +static ssize_t amdgpu_get_pp_dpm_vclk(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; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + size = smu_print_clk_levels(&adev->smu, SMU_VCLK, buf); + else + size = snprintf(buf, PAGE_SIZE, "\n"); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + +static ssize_t amdgpu_set_pp_dpm_vclk(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int ret; + uint32_t mask = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = amdgpu_read_mask(buf, count, &mask); + if (ret) + return ret; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + ret = smu_force_clk_levels(&adev->smu, SMU_VCLK, mask); + else + ret = 0; + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + if (ret) + return -EINVAL; + + return count; +} + +static ssize_t amdgpu_get_pp_dpm_dclk(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; + int ret; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + size = smu_print_clk_levels(&adev->smu, SMU_DCLK, buf); + else + size = snprintf(buf, PAGE_SIZE, "\n"); + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + return size; +} + +static ssize_t amdgpu_set_pp_dpm_dclk(struct device *dev, + struct device_attribute *attr, + const char *buf, + size_t count) +{ + struct drm_device *ddev = dev_get_drvdata(dev); + struct amdgpu_device *adev = drm_to_adev(ddev); + int ret; + uint32_t mask = 0; + + if (amdgpu_in_reset(adev)) + return -EPERM; + + ret = amdgpu_read_mask(buf, count, &mask); + if (ret) + return ret; + + ret = pm_runtime_get_sync(ddev->dev); + if (ret < 0) { + pm_runtime_put_autosuspend(ddev->dev); + return ret; + } + + if (is_support_sw_smu(adev)) + ret = smu_force_clk_levels(&adev->smu, SMU_DCLK, mask); + else + ret = 0; + + pm_runtime_mark_last_busy(ddev->dev); + pm_runtime_put_autosuspend(ddev->dev); + + if (ret) + return -EINVAL; + + return count; +} + static ssize_t amdgpu_get_pp_dpm_dcefclk(struct device *dev, struct device_attribute *attr, char *buf) @@ -2041,6 +2173,8 @@ static struct amdgpu_device_attr amdgpu_device_attrs[] = { AMDGPU_DEVICE_ATTR_RW(pp_dpm_mclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), AMDGPU_DEVICE_ATTR_RW(pp_dpm_socclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), AMDGPU_DEVICE_ATTR_RW(pp_dpm_fclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), + AMDGPU_DEVICE_ATTR_RW(pp_dpm_vclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), + AMDGPU_DEVICE_ATTR_RW(pp_dpm_dclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF), AMDGPU_DEVICE_ATTR_RW(pp_dpm_dcefclk, ATTR_FLAG_BASIC), AMDGPU_DEVICE_ATTR_RW(pp_dpm_pcie, ATTR_FLAG_BASIC), AMDGPU_DEVICE_ATTR_RW(pp_sclk_od, ATTR_FLAG_BASIC), @@ -2103,6 +2237,12 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_ } else if (DEVICE_ATTR_IS(gpu_metrics)) { if (asic_type < CHIP_VEGA12) *states = ATTR_STATE_UNSUPPORTED; + } else if (DEVICE_ATTR_IS(pp_dpm_vclk)) { + if (!(asic_type == CHIP_VANGOGH)) + *states = ATTR_STATE_UNSUPPORTED; + } else if (DEVICE_ATTR_IS(pp_dpm_dclk)) { + if (!(asic_type == CHIP_VANGOGH)) + *states = ATTR_STATE_UNSUPPORTED; } if (asic_type == CHIP_ARCTURUS) { |