[PATCH 2/2] drm/amdgpu: don't set s3 and s0ix at the same time

[Limonciello, Mario]

[AMD Official Use Only]

Maybe it was used more widely previously?
The only place that I found it in use was amdgpu_device_evict_resources.

From: Deucher, Alexander <Alexander.Deucher at amd.com>
Sent: Tuesday, January 4, 2022 11:24
To: Limonciello, Mario <Mario.Limonciello at amd.com>; amd-gfx at lists.freedesktop.org
Subject: Re: [PATCH 2/2] drm/amdgpu: don't set s3 and s0ix at the same time


[AMD Official Use Only]

I don't think this will work properly.  The in_s3 flag was mainly for runtime pm vs system suspend.  I'm not sure if in_s0ix is properly handled everywhere we check in_s3.

Alex

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org<mailto:amd-gfx-bounces at lists.freedesktop.org>> on behalf of Mario Limonciello <mario.limonciello at amd.com<mailto:mario.limonciello at amd.com>>
Sent: Monday, January 3, 2022 10:23 AM
To: amd-gfx at lists.freedesktop.org<mailto:amd-gfx at lists.freedesktop.org> <amd-gfx at lists.freedesktop.org<mailto:amd-gfx at lists.freedesktop.org>>
Cc: Limonciello, Mario <Mario.Limonciello at amd.com<mailto:Mario.Limonciello at amd.com>>
Subject: [PATCH 2/2] drm/amdgpu: don't set s3 and s0ix at the same time

This makes it clearer which codepaths are in use specifically in
one state or the other.

Signed-off-by: Mario Limonciello <mario.limonciello at amd.com<mailto:mario.limonciello at amd.com>>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index db2a9dfd5918..413fecc89e6c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -2165,9 +2165,9 @@ static int amdgpu_pmops_suspend(struct device *dev)

         if (amdgpu_acpi_is_s0ix_active(adev))
                 adev->in_s0ix = true;
-       adev->in_s3 = true;
+       else
+               adev->in_s3 = true;
         r = amdgpu_device_suspend(drm_dev, true);
-       adev->in_s3 = false;
         if (r)
                 return r;
         if (!adev->in_s0ix)
@@ -2188,6 +2188,8 @@ static int amdgpu_pmops_resume(struct device *dev)
         r = amdgpu_device_resume(drm_dev, true);
         if (amdgpu_acpi_is_s0ix_active(adev))
                 adev->in_s0ix = false;
+       else
+               adev->in_s3 = false;
         return r;
 }

--
2.25.1
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