drm/amdgpu: add ring reset messages

Add messages to make it clear when a per ring reset
happens.  This is helpful for debugging and aligns with
other reset methods.

v2: add ring name in success/fail messages (Lijo)

Reviewed-by: Lijo Lazar <[email protected]>
Reviewed-by: Kent Russell <[email protected]> (v1)
Signed-off-by: Alex Deucher <[email protected]>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 102742f1faa2432306a3818071880eb07ac15aee..cbae2fc7b94e0fdcd47b90195a0bc59650d7d4c0 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -137,6 +137,7 @@ static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sched_job *s_job)
        /* attempt a per ring reset */
        if (amdgpu_gpu_recovery &&
            ring->funcs->reset) {
+               dev_err(adev->dev, "Starting %s ring reset\n", s_job->sched->name);
                /* stop the scheduler, but don't mess with the
                 * bad job yet because if ring reset fails
                 * we'll fall back to full GPU reset.
@@ -150,8 +151,10 @@ static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sched_job *s_job)
                        amdgpu_fence_driver_force_completion(ring);
                        if (amdgpu_ring_sched_ready(ring))
                                drm_sched_start(&ring->sched);
+                       dev_err(adev->dev, "Ring %s reset success\n", ring->sched.name);
                        goto exit;
                }
+               dev_err(adev->dev, "Ring %s reset failure\n", ring->sched.name);
        }
 
        if (amdgpu_device_should_recover_gpu(ring->adev)) {