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drm/i915: Include submission tasklet state in engine dump
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>
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@ -1859,12 +1859,15 @@ static void intel_engine_print_registers(const struct intel_engine_cs *engine,
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ptr = I915_READ(RING_CONTEXT_STATUS_PTR(engine));
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read = GEN8_CSB_READ_PTR(ptr);
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write = GEN8_CSB_WRITE_PTR(ptr);
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drm_printf(m, "\tExeclist CSB read %d [%d cached], write %d [%d from hws], interrupt posted? %s\n",
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drm_printf(m, "\tExeclist CSB read %d [%d cached], write %d [%d from hws], interrupt posted? %s, tasklet queued? %s (%s)\n",
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read, execlists->csb_head,
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write,
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intel_read_status_page(engine, intel_hws_csb_write_index(engine->i915)),
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yesno(test_bit(ENGINE_IRQ_EXECLIST,
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&engine->irq_posted)));
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&engine->irq_posted)),
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yesno(test_bit(TASKLET_STATE_SCHED,
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&engine->execlists.tasklet.state)),
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enableddisabled(!atomic_read(&engine->execlists.tasklet.count)));
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if (read >= GEN8_CSB_ENTRIES)
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read = 0;
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if (write >= GEN8_CSB_ENTRIES)
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