From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Waiting for engines needs to happen even in the non-debug builds
so it is incorrect to wrap it in a GEM_WARN_ON.
Call it unconditionally and add GEM_WARN so that the debug
warning can still be emitted when things go bad.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Fixes: 25112b64b3d2 ("drm/i915: Wait for all engines to be idle as part of i915_gem_wait_for_idle()")
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
Reported-by: Nick Desaulniers <nick.desaulniers@xxxxxxxxx>
Cc: Nick Desaulniers <nick.desaulniers@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem.c | 3 ++-
drivers/gpu/drm/i915/i915_gem.h | 2 ++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index a637cc05cc4a..ecaa21f106c8 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3332,7 +3332,8 @@ static int wait_for_engines(struct drm_i915_private *i915)
enum intel_engine_id id;
for_each_engine(engine, i915, id) {
- if (GEM_WARN_ON(wait_for_engine(engine, 50))) {
+ if (wait_for_engine(engine, 50)) {
+ GEM_WARN(1, "%s wait for idle timeout", engine->name);
i915_gem_set_wedged(i915);
return -EIO;
}
diff --git a/drivers/gpu/drm/i915/i915_gem.h b/drivers/gpu/drm/i915/i915_gem.h
index ee54597465b6..cefc6cf96a60 100644
--- a/drivers/gpu/drm/i915/i915_gem.h
+++ b/drivers/gpu/drm/i915/i915_gem.h
@@ -30,6 +30,7 @@
#ifdef CONFIG_DRM_I915_DEBUG_GEM
#define GEM_BUG_ON(expr) BUG_ON(expr)
#define GEM_WARN_ON(expr) WARN_ON(expr)
+#define GEM_WARN(condition, format, ...) WARN(condition, format, __VA_ARGS__)
#define GEM_DEBUG_DECL(var) var
#define GEM_DEBUG_EXEC(expr) expr
@@ -38,6 +39,7 @@
#else
#define GEM_BUG_ON(expr) BUILD_BUG_ON_INVALID(expr)
#define GEM_WARN_ON(expr) (BUILD_BUG_ON_INVALID(expr), 0)
+#define GEM_WARN(condition, format, ...) BUILD_BUG_ON_INVALID(condition)
#define GEM_DEBUG_DECL(var)
#define GEM_DEBUG_EXEC(expr) do { } while (0)
--
2.9.4
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