From: Chris Wilson Date: Mon, 26 Mar 2018 12:50:36 +0100 Subject: drm/i915: Include submission tasklet state in engine dump Git-commit: 9040871336db2c2e379402d7ba9c275d6495b9e0 Patch-mainline: v4.18-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 For the off-chance we have an interrupt posted and haven't processed the CSB. v2: Include tasklet enable/disable state for good measure. Signed-off-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/msgid/20180326115044.2505-4-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala Acked-by: Petr Tesarik --- drivers/gpu/drm/i915/intel_engine_cs.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1859,12 +1859,15 @@ static void intel_engine_print_registers ptr = I915_READ(RING_CONTEXT_STATUS_PTR(engine)); read = GEN8_CSB_READ_PTR(ptr); write = GEN8_CSB_WRITE_PTR(ptr); - drm_printf(m, "\tExeclist CSB read %d [%d cached], write %d [%d from hws], interrupt posted? %s\n", + drm_printf(m, "\tExeclist CSB read %d [%d cached], write %d [%d from hws], interrupt posted? %s, tasklet queued? %s (%s)\n", read, execlists->csb_head, write, intel_read_status_page(engine, intel_hws_csb_write_index(engine->i915)), yesno(test_bit(ENGINE_IRQ_EXECLIST, - &engine->irq_posted))); + &engine->irq_posted)), + yesno(test_bit(TASKLET_STATE_SCHED, + &engine->execlists.tasklet.state)), + enableddisabled(!atomic_read(&engine->execlists.tasklet.count))); if (read >= GEN8_CSB_ENTRIES) read = 0; if (write >= GEN8_CSB_ENTRIES)