[PATCH] wtf
Chris Wilson
chris at chris-wilson.co.uk
Wed Aug 15 19:00:10 UTC 2018
---
drivers/gpu/drm/i915/intel_lrc.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 3f90c74038ef..75fba4dfbd28 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1961,10 +1961,26 @@ static void execlists_reset(struct intel_engine_cs *engine,
unwind_wa_tail(request);
}
+static void wtf(struct intel_engine_cs *engine)
+{
+ struct drm_i915_private *dev_priv = engine->i915;
+ u32 val;
+
+ val = I915_READ_IMR(engine);
+ if (WARN(val & engine->irq_keep_mask,
+ "engine %s IMR:%08x mbz:%08x\n",
+ engine->name, val, engine->irq_keep_mask))
+ I915_WRITE_IMR(engine,
+ ~(engine->irq_enable_mask |
+ engine->irq_keep_mask));
+}
+
static void execlists_reset_finish(struct intel_engine_cs *engine)
{
struct intel_engine_execlists * const execlists = &engine->execlists;
+ wtf(engine);
+
/* After a GPU reset, we may have requests to replay */
if (!RB_EMPTY_ROOT(&execlists->queue.rb_root))
tasklet_schedule(&execlists->tasklet);
--
2.18.0
More information about the Intel-gfx-trybot
mailing list