From bb5a2bdf36a8df79e1437b443299b7fe1ea3abfc Mon Sep 17 00:00:00 2001 From: Yintian Tao Date: Tue, 9 Apr 2019 20:33:20 +0800 Subject: drm/amdgpu: support dpm level modification under virtualization v3 Under vega10 virtualuzation, smu ip block will not be added. Therefore, we need add pp clk query and force dpm level function at amdgpu_virt_ops to support the feature. v2: add get_pp_clk existence check and use kzalloc to allocate buf v3: return -ENOMEM for allocation failure and correct the coding style Signed-off-by: Yintian Tao Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 88362019d1dd..4b7a076eea9c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -327,6 +327,18 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev, goto fail; } + if (amdgpu_sriov_vf(adev)) { + if (amdgim_is_hwperf(adev) && + adev->virt.ops->force_dpm_level) { + mutex_lock(&adev->pm.mutex); + adev->virt.ops->force_dpm_level(adev, level); + mutex_unlock(&adev->pm.mutex); + return count; + } else { + return -EINVAL; + } + } + if (current_level == level) return count; @@ -790,6 +802,10 @@ static ssize_t amdgpu_get_pp_dpm_sclk(struct device *dev, struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = ddev->dev_private; + if (amdgpu_sriov_vf(adev) && amdgim_is_hwperf(adev) && + adev->virt.ops->get_pp_clk) + return adev->virt.ops->get_pp_clk(adev, PP_SCLK, buf); + if (is_support_sw_smu(adev)) return smu_print_clk_levels(&adev->smu, PP_SCLK, buf); else if (adev->powerplay.pp_funcs->print_clock_levels) -- cgit v1.2.3