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| author | Prike Liang <Prike.Liang@amd.com> | 2020-04-13 21:41:14 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-04-22 18:11:45 -0400 |
| commit | ced1ba9761693ec310c33edf47c63b062a09be4a (patch) | |
| tree | 1db1bf09fca4249d39ee7d8fde3a438d75f9f500 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 5edb769131e74defcdf82aeb53701a8895d2d462 (diff) | |
| download | linux-ced1ba9761693ec310c33edf47c63b062a09be4a.tar.bz2 | |
drm/amdgpu: fix the hw hang during perform system reboot and reset
The system reboot failed as some IP blocks enter power gate before perform
hw resource destory. Meanwhile use unify interface to set device CGPG to ungate
state can simplify the amdgpu poweroff or reset ungate guard.
Fixes: 487eca11a321ef ("drm/amdgpu: fix gfx hang during suspend with video playback (v2)")
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Tested-by: Mengbing Wang <Mengbing.Wang@amd.com>
Tested-by: Paul Menzel <pmenzel@molgen.mpg.de>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 9f1377c16090..706f93d26136 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2427,6 +2427,8 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev) { int i, r; + amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE); + amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE); for (i = adev->num_ip_blocks - 1; i >= 0; i--) { if (!adev->ip_blocks[i].status.valid) |