linux-kernel - [PATCH 2/2] nouveau: use new vga

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Date:	Wed,  9 Mar 2016 16:14:05 +1000
From:	Dave Airlie <airlied@...il.com>
To:	dri-devel@...ts.freedesktop.org, linux-pm@...r.kernel.org,
	linux-acpi@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] nouveau: use new vga_switcheroo power domain.

From: Dave Airlie <airlied@...hat.com>

This fixes GPU auto powerdown on the Lenovo W541,
since we advertise Windows 2013 to the ACPI layer.

Signed-off-by: Dave Airlie <airlied@...hat.com>
---
 drivers/gpu/drm/nouveau/nouveau_vga.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c
index af89c36..b987427f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vga.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vga.c
@@ -101,8 +101,12 @@ nouveau_vga_init(struct nouveau_drm *drm)
 		runtime = true;
 	vga_switcheroo_register_client(dev->pdev, &nouveau_switcheroo_ops, runtime);
 
-	if (runtime && nouveau_is_v1_dsm() && !nouveau_is_optimus())
-		vga_switcheroo_init_domain_pm_ops(drm->dev->dev, &drm->vga_pm_domain);
+	if (runtime) {
+		if (nouveau_is_v1_dsm() && !nouveau_is_optimus())
+			vga_switcheroo_init_domain_pm_ops(drm->dev->dev, &drm->vga_pm_domain);
+		else if (nouveau_is_optimus())
+			vga_switcheroo_init_parent_pr3_ops(drm->dev->dev, &drm->vga_pm_domain);
+	}
 }
 
 void
@@ -117,7 +121,7 @@ nouveau_vga_fini(struct nouveau_drm *drm)
 		runtime = true;
 
 	vga_switcheroo_unregister_client(dev->pdev);
-	if (runtime && nouveau_is_v1_dsm() && !nouveau_is_optimus())
+	if (runtime && (nouveau_is_v1_dsm() || nouveau_is_optimus()))
 		vga_switcheroo_fini_domain_pm_ops(drm->dev->dev);
 	vga_client_register(dev->pdev, NULL, NULL, NULL);
 }
-- 
2.5.0