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drm/i915: Report execlists irq bit in debugfs 

As part of the knowing whether there is outstanding data in the CSB,
also check whether there is an outstanding IRQ notification.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170721123238.16428-1-chris@chris-wilson.co.uk
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2017-07-21 13:32:19 +01:00 committed by Daniel Vetter
parent 64282ea2d2
commit 4d73da937f
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/i915/i915_debugfs.c
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@ -3325,8 +3325,10 @@ static int i915_engine_info(struct seq_file *m, void *unused)
ptr = I915_READ(RING_CONTEXT_STATUS_PTR(engine));
read = GEN8_CSB_READ_PTR(ptr);
write = GEN8_CSB_WRITE_PTR(ptr);
seq_printf(m, "\tExeclist CSB read %d, write %d\n",
read, write);
seq_printf(m, "\tExeclist CSB read %d, write %d, interrupt posted? %s\n",
read, write,
yesno(test_bit(ENGINE_IRQ_EXECLIST,
&engine->irq_posted)));
if (read >= GEN8_CSB_ENTRIES)
read = 0;
if (write >= GEN8_CSB_ENTRIES)