From 191343172809aba0047c2eb03249cb704ad65658 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 4 Oct 2019 12:54:12 -0500 Subject: [PATCH] drm/amdgpu: add baco support to runtime suspend/resume BACO - Bus Active, Chip Off This adds the necessary support to the runtime suspend and resume functions to handle boards that support baco. Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 47b51588c762..43070973d6a6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1155,7 +1155,8 @@ static int amdgpu_pmops_resume(struct device *dev) struct drm_device *drm_dev = dev_get_drvdata(dev); /* GPU comes up enabled by the bios on resume */ - if (amdgpu_device_supports_boco(drm_dev)) { + if (amdgpu_device_supports_boco(drm_dev) || + amdgpu_device_supports_baco(drm_dev)) { pm_runtime_disable(dev); pm_runtime_set_active(dev); pm_runtime_enable(dev); @@ -1222,6 +1223,8 @@ static int amdgpu_pmops_runtime_suspend(struct device *dev) else if (!amdgpu_has_atpx_dgpu_power_cntl()) pci_set_power_state(pdev, PCI_D3hot); drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; + } else if (amdgpu_device_supports_baco(drm_dev)) { + amdgpu_device_baco_enter(drm_dev); } return 0; @@ -1247,6 +1250,8 @@ static int amdgpu_pmops_runtime_resume(struct device *dev) if (ret) return ret; pci_set_master(pdev); + } else if (amdgpu_device_supports_baco(drm_dev)) { + amdgpu_device_baco_exit(drm_dev); } ret = amdgpu_device_resume(drm_dev, false, false); drm_kms_helper_poll_enable(drm_dev); -- 2.25.1