diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2021-11-12 19:25:30 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-12-27 20:16:34 +0300 |
| commit | daf8de0874ab5b74b38a38726fdd3d07ef98a7ee (patch) | |
| tree | 26d6a9cec0b96af8b1d466649aa7fa17a5af248d /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | |
| parent | 8c45096c60d6ce6341c374636100ed1b2c1c33a1 (diff) | |
| download | linux-daf8de0874ab5b74b38a38726fdd3d07ef98a7ee.tar.xz | |
drm/amdgpu: always reset the asic in suspend (v2)
If the platform suspend happens to fail and the power rail
is not turned off, the GPU will be in an unknown state on
resume, so reset the asic so that it will be in a known
good state on resume even if the platform suspend failed.
v2: handle s0ix
Acked-by: Luben Tuikov <luben.tuikov@amd.com>
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 73ac02372827..1a97b8b237d5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2154,7 +2154,10 @@ static int amdgpu_pmops_suspend(struct device *dev) adev->in_s3 = true; r = amdgpu_device_suspend(drm_dev, true); adev->in_s3 = false; - + if (r) + return r; + if (!adev->in_s0ix) + r = amdgpu_asic_reset(adev); return r; } |