If wait_for_engines() fails and we resort to declaring the HW wedged, dump the engine state for debugging.
Signed-off-by: Chris Wilson <[email protected]> Cc: Joonas Lahtinen <[email protected]> Cc: Mika Kuoppala <[email protected]> --- drivers/gpu/drm/i915/i915_gem.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 694f0551a66e..9e957b213fdb 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3534,7 +3534,18 @@ static int wait_for_timeline(struct i915_gem_timeline *tl, unsigned int flags) static int wait_for_engines(struct drm_i915_private *i915) { if (wait_for(intel_engines_are_idle(i915), I915_IDLE_ENGINES_TIMEOUT)) { - DRM_ERROR("Failed to idle engines, declaring wedged!\n"); + dev_err(i915->drm.dev, + "Failed to idle engines, declaring wedged!\n"); + if (drm_debug & DRM_UT_DRIVER) { + struct drm_printer p = drm_debug_printer(__func__); + struct intel_engine_cs *engine; + enum intel_engine_id id; + + for_each_engine(engine, i915, id) + intel_engine_dump(engine, &p, + "%s", engine->name); + } + i915_gem_set_wedged(i915); return -EIO; } -- 2.15.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
