[PATCH 4.15 61/64] drm/amdgpu: Avoid leaking PM domain on driver unbind (v2)

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4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@xxxxxxx>

commit 458d876eb869d5a88b53074c6c271b8b9adc0f07 upstream.

We only support vga_switcheroo and runtime pm on PX/HG systems
so forcing runpm to 1 doesn't do anything useful anyway.

Only call vga_switcheroo_init_domain_pm_ops() for PX/HG so
that the cleanup path is correct as well.  This mirrors what
radeon does as well.

v2: rework the patch originally sent by Lukas (Alex)

Acked-by: Lukas Wunner <lukas@xxxxxxxxx>
Reported-by: Lukas Wunner <lukas@xxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx> (v1)
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |    2 --
 1 file changed, 2 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2228,8 +2228,6 @@ int amdgpu_device_init(struct amdgpu_dev
 	 * ignore it */
 	vga_client_register(adev->pdev, adev, NULL, amdgpu_vga_set_decode);
 
-	if (amdgpu_runtime_pm == 1)
-		runtime = true;
 	if (amdgpu_device_is_px(ddev))
 		runtime = true;
 	if (!pci_is_thunderbolt_attached(adev->pdev))





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