[PATCH] drm/amdgpu: just suspend the hw on pci shutdown
Alex Deucher
alexdeucher at gmail.com
Tue Dec 6 22:55:01 UTC 2016
We can't just reuse pci_remove as there may be userspace still
doing things.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98638
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97980
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Cc: stable at vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 5 ++++-
3 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 946dfcc..123f8152 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1714,6 +1714,7 @@ void amdgpu_driver_postclose_kms(struct drm_device *dev,
struct drm_file *file_priv);
void amdgpu_driver_preclose_kms(struct drm_device *dev,
struct drm_file *file_priv);
+int amdgpu_suspend(struct amdgpu_device *adev);
int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 4701d94..8b39fd3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1530,7 +1530,7 @@ static int amdgpu_fini(struct amdgpu_device *adev)
return 0;
}
-static int amdgpu_suspend(struct amdgpu_device *adev)
+int amdgpu_suspend(struct amdgpu_device *adev)
{
int i, r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 3210081..6e4e3a1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -486,12 +486,15 @@ amdgpu_pci_remove(struct pci_dev *pdev)
static void
amdgpu_pci_shutdown(struct pci_dev *pdev)
{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ struct amdgpu_device *adev = dev->dev_private;
+
/* if we are running in a VM, make sure the device
* torn down properly on reboot/shutdown.
* unfortunately we can't detect certain
* hypervisors so just do this all the time.
*/
- amdgpu_pci_remove(pdev);
+ amdgpu_suspend(adev);
}
static int amdgpu_pmops_suspend(struct device *dev)
--
2.5.5
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