BACO - Bus Active, Chip Off BOCO - Bus Off, Chip Off
We will take slightly different paths for boco and baco.
v2: fold together two consecutive if clauses
Reviewed-by: Evan Quan evan.quan@amd.com (v1) Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 47 ++++++++++++++----------- 1 file changed, 26 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index bfd91cf9150b..d05f8c03e559 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1219,18 +1219,21 @@ static int amdgpu_pmops_runtime_suspend(struct device *dev) return -EBUSY; }
- drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; + if (amdgpu_device_supports_boco(drm_dev)) + drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; drm_kms_helper_poll_disable(drm_dev);
ret = amdgpu_device_suspend(drm_dev, false, false); - pci_save_state(pdev); - pci_disable_device(pdev); - pci_ignore_hotplug(pdev); - if (amdgpu_is_atpx_hybrid()) - pci_set_power_state(pdev, PCI_D3cold); - 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; + if (amdgpu_device_supports_boco(drm_dev)) { + pci_save_state(pdev); + pci_disable_device(pdev); + pci_ignore_hotplug(pdev); + if (amdgpu_is_atpx_hybrid()) + pci_set_power_state(pdev, PCI_D3cold); + 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; + }
return 0; } @@ -1244,20 +1247,22 @@ static int amdgpu_pmops_runtime_resume(struct device *dev) if (!amdgpu_device_supports_boco(drm_dev)) return -EINVAL;
- drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; - - if (amdgpu_is_atpx_hybrid() || - !amdgpu_has_atpx_dgpu_power_cntl()) - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - ret = pci_enable_device(pdev); - if (ret) - return ret; - pci_set_master(pdev); - + if (amdgpu_device_supports_boco(drm_dev)) { + drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING; + + if (amdgpu_is_atpx_hybrid() || + !amdgpu_has_atpx_dgpu_power_cntl()) + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + ret = pci_enable_device(pdev); + if (ret) + return ret; + pci_set_master(pdev); + } ret = amdgpu_device_resume(drm_dev, false, false); drm_kms_helper_poll_enable(drm_dev); - drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; + if (amdgpu_device_supports_boco(drm_dev)) + drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; return 0; }