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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2017-04-23 18:06:19 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-04-24 15:53:30 +0100 |
| commit | 695eaa3b60a0a9a2baf41241e60b589efb6479ee (patch) | |
| tree | 189e1f357a5786ee2d40d9af4439af6bb1fb5674 /drivers/gpu/drm/i915/intel_breadcrumbs.c | |
| parent | drm/i915: Confirm the request is still active before adding it to the await (diff) | |
| download | linux-dev-695eaa3b60a0a9a2baf41241e60b589efb6479ee.tar.xz linux-dev-695eaa3b60a0a9a2baf41241e60b589efb6479ee.zip | |
drm/i915: Include interesting seqno in the missed breadcrumb debug
Knowing the neighbouring seqno (current on hw, last submitted to hw)
provide some useful breadcrumbs to the debug log.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170423170619.7156-4-chris@chris-wilson.co.uk
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_breadcrumbs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_breadcrumbs.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c index 9ccbf26124c6..35da5928bd8a 100644 --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c @@ -64,10 +64,12 @@ static unsigned long wait_timeout(void) static noinline void missed_breadcrumb(struct intel_engine_cs *engine) { - DRM_DEBUG_DRIVER("%s missed breadcrumb at %pF, irq posted? %s\n", + DRM_DEBUG_DRIVER("%s missed breadcrumb at %pF, irq posted? %s, current seqno=%x, last=%x\n", engine->name, __builtin_return_address(0), yesno(test_bit(ENGINE_IRQ_BREADCRUMB, - &engine->irq_posted))); + &engine->irq_posted)), + intel_engine_get_seqno(engine), + intel_engine_last_submit(engine)); set_bit(engine->id, &engine->i915->gpu_error.missed_irq_rings); } |