[PATCH 13/13] drm/amdgpu: skip kfd suspend/resume for S0ix

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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@xxxxxxx>
---
 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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