This turns out to be quite useful if one happens to be debugging semaphore deadlocks.
Signed-off-by: Chris Wilson <[email protected]> --- drivers/gpu/drm/i915/intel_hangcheck.c | 15 +++++++++++---- 1 file 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," -- 2.20.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
