From: Chris Wilson Date: Fri, 27 Oct 2017 11:06:17 +0000 (+0100) Subject: drm/i915: Give more details for the active-when-parking warning for the engines X-Git-Tag: v4.19~298^2~46^2~1208 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3265124a2d3744d789ede58452ab6f8a9b454be8;p=platform%2Fkernel%2Flinux-rpi.git drm/i915: Give more details for the active-when-parking warning for the engines If the we think the engine is still active when we attempt to park it, we want more details -- so dump the engine state. References: https://bugs.freedesktop.org/show_bug.cgi?id=103479 Signed-off-by: Chris Wilson Cc: Mika Kuoppala Link: https://patchwork.freedesktop.org/patch/msgid/20171027110617.31745-4-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala --- diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 9767586e..6895a90 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1613,14 +1613,20 @@ void intel_engines_park(struct drm_i915_private *i915) struct intel_engine_cs *engine; enum intel_engine_id id; - /* - * We are committed now to parking the engines, make sure there - * will be no more interrupts arriving later. - */ - if (!intel_engines_are_idle(dev_priv)) - DRM_ERROR("Timeout waiting for engines to idle\n"); - for_each_engine(engine, i915, id) { + /* + * We are committed now to parking the engines, make sure there + * will be no more interrupts arriving later and the engines + * are truly idle. + */ + if (!intel_engine_is_idle(engine)) { + struct drm_printer p = drm_debug_printer(__func__); + + DRM_ERROR("%s is not idle before parking\n", + engine->name); + intel_engine_dump(engine, &p); + } + if (engine->park) engine->park(engine);