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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-01-22 01:20:46 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-01-22 16:30:51 +0300 |
| commit | 25f9cebd7a52ddf15405d74fb5fd4c374f301983 (patch) | |
| tree | 140a05e49eb1a0244f7adebd62ffb3d3202b7ede | |
| parent | 0e21834e18c545bdebed527209a7b6bb8aed9f9b (diff) | |
| download | linux-25f9cebd7a52ddf15405d74fb5fd4c374f301983.tar.xz | |
drm/i915: Show all active engines on hangcheck
This turns out to be quite useful if one happens to be debugging
semaphore deadlocks.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190121222117.23305-4-chris@chris-wilson.co.uk
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hangcheck.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_hangcheck.c b/drivers/gpu/drm/i915/intel_hangcheck.c index 7dc11fcb13de..741441daae32 100644 --- a/drivers/gpu/drm/i915/intel_hangcheck.c +++ b/drivers/gpu/drm/i915/intel_hangcheck.c @@ -195,10 +195,6 @@ static void hangcheck_accumulate_sample(struct intel_engine_cs *engine, break; case ENGINE_DEAD: - if (GEM_SHOW_DEBUG()) { - struct drm_printer p = drm_debug_printer("hangcheck"); - intel_engine_dump(engine, &p, "%s\n", engine->name); - } break; default: @@ -285,6 +281,17 @@ static void i915_hangcheck_elapsed(struct work_struct *work) wedged |= intel_engine_flag(engine); } + if (GEM_SHOW_DEBUG() && (hung | stuck)) { + struct drm_printer p = drm_debug_printer("hangcheck"); + + for_each_engine(engine, dev_priv, id) { + if (intel_engine_is_idle(engine)) + continue; + + intel_engine_dump(engine, &p, "%s\n", engine->name); + } + } + if (wedged) { dev_err(dev_priv->drm.dev, "GPU recovery timed out," |