The ATPX power control method does this for you.
Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/radeon_drv.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index f453450..56d15e6 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -419,9 +419,7 @@ static int radeon_pmops_runtime_suspend(struct device *dev) pci_ignore_hotplug(pdev); if (radeon_is_atpx_hybrid()) pci_set_power_state(pdev, PCI_D3cold); - else if (radeon_has_atpx_dgpu_power_cntl()) - pci_set_power_state(pdev, PCI_D3cold); - else + else if (!radeon_has_atpx_dgpu_power_cntl()) pci_set_power_state(pdev, PCI_D3hot); drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
@@ -439,7 +437,9 @@ static int radeon_pmops_runtime_resume(struct device *dev)
drm_dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
- pci_set_power_state(pdev, PCI_D0); + if (radeon_is_atpx_hybrid() || + !radeon_has_atpx_dgpu_power_cntl()) + pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); ret = pci_enable_device(pdev); if (ret)