[PATCH 13/13] drm/amdgpu: skip kfd suspend/resume for S0ix
Quan, Evan
Evan.Quan at amd.com
Thu Mar 18 07:34:41 UTC 2021
[AMD Public Use]
Patch 1 -7 are reviewed-by: Evan Quan <evan.quan at amd.com>
Patch 8 - 13 are acked-by: Evan Quan <evan.quan at amd.com>
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Alex Deucher
Sent: Thursday, March 18, 2021 12:33 PM
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>
Subject: [PATCH 13/13] drm/amdgpu: skip kfd suspend/resume for S0ix
GFX is in gfxoff mode during s0ix so we shouldn't need to
actually tear anything down and restore it.
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 965b4f18ddc7..319ad9326a71 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3705,7 +3705,8 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
r = amdgpu_device_ip_suspend_phase1(adev);
- amdgpu_amdkfd_suspend(adev, adev->in_runpm);
+ if (!adev->in_s0ix)
+ amdgpu_amdkfd_suspend(adev, adev->in_runpm);
/* evict vram memory */
amdgpu_bo_evict_vram(adev);
@@ -3765,9 +3766,11 @@ int amdgpu_device_resume(struct drm_device *dev, bool fbcon)
queue_delayed_work(system_wq, &adev->delayed_init_work,
msecs_to_jiffies(AMDGPU_RESUME_MS));
- r = amdgpu_amdkfd_resume(adev, adev->in_runpm);
- if (r)
- return r;
+ if (!adev->in_s0ix) {
+ r = amdgpu_amdkfd_resume(adev, adev->in_runpm);
+ if (r)
+ return r;
+ }
/* Make sure IB tests flushed */
flush_delayed_work(&adev->delayed_init_work);
--
2.30.2
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