[PATCH 2/5] drm/amdgpu: move gpu reset out of amdgpu_device_suspend

[Quan, Evan]

> There are cases were we don't want it.
Typo: were -> where?

-----Original Message-----
From: Quan, Evan 
Sent: Friday, October 11, 2019 12:07 PM
To: Alex Deucher <alexdeucher at gmail.com>; amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>
Subject: RE: [PATCH 2/5] drm/amdgpu: move gpu reset out of amdgpu_device_suspend

It seems amdgpu_pmops_runtime_suspend() needs to be updated accordingly also.

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Alex Deucher
Sent: Thursday, October 10, 2019 11:26 PM
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>
Subject: [PATCH 2/5] drm/amdgpu: move gpu reset out of amdgpu_device_suspend

Move it into the caller.  There are cases were we don't want it.  We need it for hibernation, but we don't need it for runtime pm.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ----
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c    | 7 ++++++-
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 9b9b15360194..91bdb246e405 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3173,10 +3173,6 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon)
 		/* Shut down the device */
 		pci_disable_device(dev->pdev);
 		pci_set_power_state(dev->pdev, PCI_D3hot);
-	} else {
-		r = amdgpu_asic_reset(adev);
-		if (r)
-			DRM_ERROR("amdgpu asic reset failed\n");
 	}
 
 	return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index d43c46de7807..64141386e603 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1118,8 +1118,13 @@ static int amdgpu_pmops_resume(struct device *dev)  static int amdgpu_pmops_freeze(struct device *dev)  {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
+	struct amdgpu_device *adev = drm_dev->dev_private;
+	int r;
 
-	return amdgpu_device_suspend(drm_dev, false, true);
+	r = amdgpu_device_suspend(drm_dev, false, true);
+	if (r)
+		return r;
+	return amdgpu_asic_reset(adev);
 }
 
 static int amdgpu_pmops_thaw(struct device *dev)
--
2.20.1

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