From patchwork Thu May 17 06:03:26 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 10405371 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 794B860230 for ; Thu, 17 May 2018 06:08:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6854D2893A for ; Thu, 17 May 2018 06:08:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5D63C2894D; Thu, 17 May 2018 06:08:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 04A982893D for ; Thu, 17 May 2018 06:08:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 839A26E60B; Thu, 17 May 2018 06:08:47 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id CA6156E5FD for ; Thu, 17 May 2018 06:08:38 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from haswell.alporthouse.com (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP id 11730228-1500050 for multiple; Thu, 17 May 2018 07:08:01 +0100 Received: by haswell.alporthouse.com (sSMTP sendmail emulation); Thu, 17 May 2018 07:08:00 +0100 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Thu, 17 May 2018 07:03:26 +0100 Message-Id: <20180517060738.19193-10-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180517060738.19193-1-chris@chris-wilson.co.uk> References: <20180517060738.19193-1-chris@chris-wilson.co.uk> X-Originating-IP: 78.156.65.138 X-Country: code=GB country="United Kingdom" ip=78.156.65.138 Subject: [Intel-gfx] [PATCH 010/262] drm/i915: Remove USES_GUC_SUBMISSION() pointer chasing from gen8_cs_irq_handler X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Store whether or not we need to kick the guc's execlists emulation on the engine itself to avoid chasing the device info. gen8_cs_irq_handler 512 428 -84 Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_irq.c | 4 +++- drivers/gpu/drm/i915/intel_guc_submission.c | 1 + drivers/gpu/drm/i915/intel_lrc.c | 1 + drivers/gpu/drm/i915/intel_ringbuffer.h | 7 +++++++ 4 files changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index f9bc3aaa90d0..460878572515 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1472,8 +1472,10 @@ gen8_cs_irq_handler(struct intel_engine_cs *engine, u32 iir) } if (iir & GT_RENDER_USER_INTERRUPT) { + if (intel_engine_uses_guc(engine)) + tasklet = true; + notify_ring(engine); - tasklet |= USES_GUC_SUBMISSION(engine->i915); } if (tasklet) diff --git a/drivers/gpu/drm/i915/intel_guc_submission.c b/drivers/gpu/drm/i915/intel_guc_submission.c index 133367a17863..d9fcd5db4ea4 100644 --- a/drivers/gpu/drm/i915/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/intel_guc_submission.c @@ -1312,6 +1312,7 @@ int intel_guc_submission_enable(struct intel_guc *guc) engine->unpark = guc_submission_unpark; engine->flags &= ~I915_ENGINE_SUPPORTS_STATS; + engine->flags |= I915_ENGINE_USES_GUC; } return 0; diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 857ab04452f0..4928e9ad7826 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -2305,6 +2305,7 @@ static void execlists_set_default_submission(struct intel_engine_cs *engine) engine->park = NULL; engine->unpark = NULL; + engine->flags &= ~I915_ENGINE_USES_GUC; engine->flags |= I915_ENGINE_SUPPORTS_STATS; if (engine->i915->preempt_context) engine->flags |= I915_ENGINE_HAS_PREEMPTION; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index acef385c4c80..4ad9c5842575 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -574,6 +574,7 @@ struct intel_engine_cs { #define I915_ENGINE_NEEDS_CMD_PARSER BIT(0) #define I915_ENGINE_SUPPORTS_STATS BIT(1) #define I915_ENGINE_HAS_PREEMPTION BIT(2) +#define I915_ENGINE_USES_GUC BIT(3) unsigned int flags; /* @@ -651,6 +652,12 @@ intel_engine_has_preemption(const struct intel_engine_cs *engine) return engine->flags & I915_ENGINE_HAS_PREEMPTION; } +static inline bool +intel_engine_uses_guc(const struct intel_engine_cs *engine) +{ + return engine->flags & I915_ENGINE_USES_GUC; +} + static inline bool __execlists_need_preempt(int prio, int last) { return prio > max(0, last);