[PATCH 5.6 003/118] drm/amdgpu: move kfd suspend after ip_suspend_phase1

From: Greg Kroah-Hartman
Date: Wed May 13 2020 - 05:52:25 EST


From: Evan Quan <evan.quan@xxxxxxx>

[ Upstream commit c457a273e118bb96e1db8d1825f313e6cafe4258 ]

This sequence change should be safe as what did in ip_suspend_phase1
is to suspend DCE only. And this is a prerequisite for coming
redundant cg/pg ungate dropping.

Fixes: 487eca11a321ef ("drm/amdgpu: fix gfx hang during suspend with video playback (v2)")
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f184cdca938de..1ddf2460cf834 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3328,12 +3328,12 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);

- amdgpu_amdkfd_suspend(adev);
-
amdgpu_ras_suspend(adev);

r = amdgpu_device_ip_suspend_phase1(adev);

+ amdgpu_amdkfd_suspend(adev);
+
/* evict vram memory */
amdgpu_bo_evict_vram(adev);

--
2.20.1