From bf2f04366c1e3920fb23b57226ecb39207b1a104 Mon Sep 17 00:00:00 2001 From: Mika Kuoppala Date: Tue, 17 Jan 2017 17:59:04 +0200 Subject: [PATCH] drm/i915: Introduce engine_stalled helper Move the engine stalled/pardoned check into a helper function. Cc: Chris Wilson Cc: Tvrtko Ursulin Signed-off-by: Mika Kuoppala Link: http://patchwork.freedesktop.org/patch/msgid/1484668747-9120-4-git-send-email-mika.kuoppala@intel.com Reviewed-by: Chris Wilson Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_gem.c | 25 +++++++++++++++---------- 1 file changed, 15 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0fe4875..e2a6f48 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2611,6 +2611,20 @@ i915_gem_find_active_request(struct intel_engine_cs *engine) return NULL; } +static bool engine_stalled(struct intel_engine_cs *engine) +{ + if (!engine->hangcheck.stalled) + return false; + + /* Check for possible seqno movement after hang declaration */ + if (engine->hangcheck.seqno != intel_engine_get_seqno(engine)) { + DRM_DEBUG_DRIVER("%s pardoned\n", engine->name); + return false; + } + + return true; +} + void i915_gem_reset_prepare(struct drm_i915_private *dev_priv) { struct intel_engine_cs *engine; @@ -2669,7 +2683,6 @@ static void i915_gem_reset_engine(struct intel_engine_cs *engine) { struct drm_i915_gem_request *request; struct i915_gem_context *hung_ctx; - bool ring_hung; if (engine->irq_seqno_barrier) engine->irq_seqno_barrier(engine); @@ -2680,15 +2693,7 @@ static void i915_gem_reset_engine(struct intel_engine_cs *engine) hung_ctx = request->ctx; - ring_hung = engine->hangcheck.stalled; - if (engine->hangcheck.seqno != intel_engine_get_seqno(engine)) { - DRM_DEBUG_DRIVER("%s pardoned, was guilty? %s\n", - engine->name, - yesno(ring_hung)); - ring_hung = false; - } - - if (ring_hung) { + if (engine_stalled(engine)) { i915_gem_context_mark_guilty(hung_ctx); skip_request(request); } else { -- 2.7.4