Our kbl-g in the CI farm very rarely recovers from suspend, and when it
does it innundated with DMAR errors for the VegaM. This is just a quick
hack to allow testing to continue.
Cc: Tomi Sarvela <tomi.p.sarvela@xxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 0b19482b36b8..09d0facceee2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -676,6 +676,11 @@ amdgpu_pci_shutdown(struct pci_dev *pdev)
amdgpu_device_ip_suspend(adev);
}
+static int amdgpu_pmops_prepare(struct device *dev)
+{
+ return -ENODEV;
+}
+
static int amdgpu_pmops_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
@@ -827,6 +832,7 @@ long amdgpu_drm_ioctl(struct file *filp,
}
static const struct dev_pm_ops amdgpu_pm_ops = {
+ .prepare = amdgpu_pmops_prepare,
.suspend = amdgpu_pmops_suspend,
.resume = amdgpu_pmops_resume,
.freeze = amdgpu_pmops_freeze,
--
2.18.0
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