From: Marek Olšák <marek.olsak@xxxxxxx>
Signed-off-by: Marek Olšák <marek.olsak at amd.com>
---
Is this really correct? I have no easy way to test it.
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 8d03baa..56c41cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3018,20 +3018,24 @@ static int amdgpu_reset_sriov(struct amdgpu_device *adev, uint64_t *reset_flags,
*
* 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)
{
struct drm_atomic_state *state = NULL;
uint64_t reset_flags = 0;
int i, r, resched;
+ /* amdgpu.lockup_timeout=0 disables GPU reset. */
+ if (amdgpu_lockup_timeout == 0)
+ return 0;
+
if (!amdgpu_check_soft_reset(adev)) {
DRM_INFO("No hardware hang detected. Did some blocks stall?\n");
return 0;
}
dev_info(adev->dev, "GPU reset begin!\n");
mutex_lock(&adev->lock_reset);
atomic_inc(&adev->gpu_reset_counter);
adev->in_gpu_reset = 1;
--
2.7.4
