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drm/i915: Include submission tasklet state in engine dump

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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 <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180326115044.2505-4-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
This commit is contained in:
Chris Wilson 2018-03-26 12:50:36 +01:00
parent eed7ec52f2
commit 9040871336
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/i915/intel_engine_cs.c
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@ -1859,12 +1859,15 @@ static void intel_engine_print_registers(const struct intel_engine_cs *engine,
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)