[Bug 215436] admgpu: suspend and resuming from suspend don't work

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=215436

--- Comment #13 from spasswolf@web.de ---
I added a some dev_info calls:

static int amdgpu_pmops_suspend(struct device *dev)
{
        struct drm_device *drm_dev = dev_get_drvdata(dev);
        struct amdgpu_device *adev = drm_to_adev(drm_dev);
        int r;

        if (amdgpu_acpi_is_s0ix_active(adev))
                adev->in_s0ix = true;
        adev->in_s3 = true;
        r = amdgpu_device_suspend(drm_dev, true);
        dev_info(adev->dev, "amdgpu_device_suspend(...) = %d\n", r);
        adev->in_s3 = false;
        if (r)
                return r;
        dev_info(adev->dev, "adev->in_s0ix = %d\n", adev->in_s0ix);
        if (!adev->in_s0ix)
                r = amdgpu_asic_reset(adev);
        return r;
}

which gives

Jan  3 11:13:40 lisa kernel: [   38.792335] amdgpu 0000:08:00.0: amdgpu:
amdgpu_device_suspend(...) = 0
Jan  3 11:13:40 lisa kernel: [   38.792341] amdgpu 0000:08:00.0: amdgpu:
adev->in_s0ix = 1

So the gpu is not actually reset ...

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