From 1d2a19c2567c74ff3c50fa1a0823052adee9c49f Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Fri, 26 Jan 2018 12:18:46 +0000 Subject: [PATCH] drm/i915/lrc: Remove superfluous WARN_ON Remove the WARN_ON(ce->state) inside the static function only called when ce->state == NULL and downgrade the w/a batch setup warning into a developer only mode (GEM_WARN_ON). v2: Move the deferred alloc guard into the callee, eliminating the need for the WARN_ON: add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-1 (-1) Function old new delta execlists_context_pin 1819 1818 -1 Signed-off-by: Chris Wilson Cc: Tvrtko Ursulin Reviewed-by: Tvrtko Ursulin Link: https://patchwork.freedesktop.org/patch/msgid/20180126121846.12007-1-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/intel_lrc.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 29b14d7d4b07a..2fa328d512fcf 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1092,11 +1092,9 @@ execlists_context_pin(struct intel_engine_cs *engine, goto out; GEM_BUG_ON(!ce->pin_count); /* no overflow please! */ - if (!ce->state) { - ret = execlists_context_deferred_alloc(ctx, engine); - if (ret) - goto err; - } + ret = execlists_context_deferred_alloc(ctx, engine); + if (ret) + goto err; GEM_BUG_ON(!ce->state); ret = __context_pin(ctx, ce->state); @@ -1413,7 +1411,8 @@ static int intel_init_workaround_bb(struct intel_engine_cs *engine) */ for (i = 0; i < ARRAY_SIZE(wa_bb_fn); i++) { wa_bb[i]->offset = batch_ptr - batch; - if (WARN_ON(!IS_ALIGNED(wa_bb[i]->offset, CACHELINE_BYTES))) { + if (GEM_WARN_ON(!IS_ALIGNED(wa_bb[i]->offset, + CACHELINE_BYTES))) { ret = -EINVAL; break; } @@ -2265,7 +2264,8 @@ static int execlists_context_deferred_alloc(struct i915_gem_context *ctx, struct intel_ring *ring; int ret; - WARN_ON(ce->state); + if (ce->state) + return 0; context_size = round_up(engine->context_size, I915_GTT_PAGE_SIZE); -- 2.30.2