diff options
| author | Andrey Grodzovsky <andrey.grodzovsky@amd.com> | 2017-12-12 14:09:30 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-12-15 17:14:50 -0500 |
| commit | dcebf026e6f69fb79e7f88d10681faf4f8a985ba (patch) | |
| tree | 3d31743b19a61d9e826092a8c5d2e97f9f95e1cf /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 3e98d829ad0a59425f816c94447b4ac39a72f632 (diff) | |
| download | talos-obmc-linux-dcebf026e6f69fb79e7f88d10681faf4f8a985ba.tar.gz talos-obmc-linux-dcebf026e6f69fb79e7f88d10681faf4f8a985ba.zip | |
drm/amdgpu: Add gpu_recovery parameter
Add new parameter to control GPU recovery procedure.
v2:
Add auto logic where reset is disabled for bare metal and enabled
for SR-IOV.
Allow forced reset from debugfs.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@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 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 046b9d5bc14d..3f63f5ca4fa7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3009,11 +3009,12 @@ error: * * @adev: amdgpu device pointer * @job: which job trigger hang + * @force forces reset regardless of amdgpu_gpu_recovery * * Attempt to reset the GPU if it has hung (all asics). * Returns 0 for success or an error on failure. */ -int amdgpu_gpu_recover(struct amdgpu_device *adev, struct amdgpu_job *job) +int amdgpu_gpu_recover(struct amdgpu_device *adev, struct amdgpu_job *job, bool force) { struct drm_atomic_state *state = NULL; uint64_t reset_flags = 0; @@ -3024,6 +3025,12 @@ int amdgpu_gpu_recover(struct amdgpu_device *adev, struct amdgpu_job *job) return 0; } + if (!force && (amdgpu_gpu_recovery == 0 || + (amdgpu_gpu_recovery == -1 && !amdgpu_sriov_vf(adev)))) { + DRM_INFO("GPU recovery disabled.\n"); + return 0; + } + dev_info(adev->dev, "GPU reset begin!\n"); mutex_lock(&adev->lock_reset); |
