diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 85efd686e538..d59e8536192c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1369,6 +1369,7 @@ void amdgpu_driver_postclose_kms(struct drm_device *dev, void amdgpu_driver_release_kms(struct drm_device *dev); int amdgpu_device_ip_suspend(struct amdgpu_device *adev); +int amdgpu_device_prepare(struct drm_device *dev); int amdgpu_device_suspend(struct drm_device *dev, bool fbcon); int amdgpu_device_resume(struct drm_device *dev, bool fbcon); u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 79261bec2654..707c17641c75 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1549,6 +1549,7 @@ static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, } else { pr_info("switched off\n"); dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; + amdgpu_device_prepare(dev); amdgpu_device_suspend(dev, true); amdgpu_device_cache_pci_state(pdev); /* Shut down the device */ @@ -4094,6 +4095,31 @@ static int amdgpu_device_evict_resources(struct amdgpu_device *adev) /* * Suspend & resume. */ +/** + * amdgpu_device_prepare - prepare for device suspend + * + * @dev: drm dev pointer + * + * Prepare to put the hw in the suspend state (all asics). + * Returns 0 for success or an error on failure. + * Called at driver suspend. + */ +int amdgpu_device_prepare(struct drm_device *dev) +{ + struct amdgpu_device *adev = drm_to_adev(dev); + int r; + + if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) + return 0; + + /* Evict the majority of BOs before starting suspend sequence */ + r = amdgpu_device_evict_resources(adev); + if (r) + return r; + + return 0; +} + /** * amdgpu_device_suspend - initiate device suspend * @@ -4114,11 +4140,6 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) adev->in_suspend = true; - /* Evict the majority of BOs before grabbing the full access */ - r = amdgpu_device_evict_resources(adev); - if (r) - return r; - if (amdgpu_sriov_vf(adev)) { amdgpu_virt_fini_data_exchange(adev); r = amdgpu_virt_request_full_gpu(adev, false); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 3204c3a42f2a..f9bc38d20ce3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2386,8 +2386,9 @@ static int amdgpu_pmops_prepare(struct device *dev) /* Return a positive number here so * DPM_FLAG_SMART_SUSPEND works properly */ - if (amdgpu_device_supports_boco(drm_dev)) - return pm_runtime_suspended(dev); + if (amdgpu_device_supports_boco(drm_dev) && + pm_runtime_suspended(dev)) + return 1; /* if we will not support s3 or s2i for the device * then skip suspend @@ -2396,7 +2397,7 @@ static int amdgpu_pmops_prepare(struct device *dev) !amdgpu_acpi_is_s3_active(adev)) return 1; - return 0; + return amdgpu_device_prepare(drm_dev); } static void amdgpu_pmops_complete(struct device *dev) @@ -2598,6 +2599,9 @@ static int amdgpu_pmops_runtime_suspend(struct device *dev) if (amdgpu_device_supports_boco(drm_dev)) adev->mp1_state = PP_MP1_STATE_UNLOAD; + ret = amdgpu_device_prepare(drm_dev); + if (ret) + return ret; ret = amdgpu_device_suspend(drm_dev, false); if (ret) { adev->in_runpm = false;