From 559e040f1f083b6478011f2961db230da8047119 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon, 5 Feb 2018 09:21:59 +0000
Subject: [PATCH] drm/i915: Show the GPU state when declaring wedged
Dump each engine state when i915_gem_set_wedged() is called to give us
some more clues as to why we had to terminate the GPU.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180205092201.19476-5-chris@chris-wilson.co.uk
---
drivers/gpu/drm/i915/i915_gem.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6a866810b5299..dffbe8f7765fb 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3199,6 +3199,13 @@ void i915_gem_set_wedged(struct drm_i915_private *i915)
struct intel_engine_cs *engine;
enum intel_engine_id id;
+ if (drm_debug & DRM_UT_DRIVER) {
+ struct drm_printer p = drm_debug_printer(__func__);
+
+ for_each_engine(engine, i915, id)
+ intel_engine_dump(engine, &p, "%s\n", engine->name);
+ }
+
/*
* First, stop submission to hw, but do not yet complete requests by
* rolling the global seqno forward (since this would complete requests
--
2.30.2