[PATCH 5/6] drm/radeon/atpx: hybrid platforms use d3cold

Alex Deucher alexdeucher at gmail.com
Thu Jun 2 13:33:36 UTC 2016


The platform d3 cold is used to power down the dGPU.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/radeon/radeon_drv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index af52f10..f453450 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -417,7 +417,9 @@ static int radeon_pmops_runtime_suspend(struct device *dev)
 	pci_save_state(pdev);
 	pci_disable_device(pdev);
 	pci_ignore_hotplug(pdev);
-	if (radeon_has_atpx_dgpu_power_cntl())
+	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
 		pci_set_power_state(pdev, PCI_D3hot);
-- 
2.5.5



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