From patchwork Mon Apr 9 11:13:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 10331093 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 BBBBE6022E for ; Mon, 9 Apr 2018 11:14:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AFA3A28662 for ; Mon, 9 Apr 2018 11:14:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A44A028ADA; Mon, 9 Apr 2018 11:14:36 +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 4EA5328662 for ; Mon, 9 Apr 2018 11:14:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4A10B6E1A5; Mon, 9 Apr 2018 11:14:34 +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 D10BE6E0C6 for ; Mon, 9 Apr 2018 11:14:30 +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 11308905-1500050 for multiple; Mon, 09 Apr 2018 12:14:19 +0100 Received: by haswell.alporthouse.com (sSMTP sendmail emulation); Mon, 09 Apr 2018 12:14:19 +0100 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Mon, 9 Apr 2018 12:13:57 +0100 Message-Id: <20180409111413.6352-3-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180409111413.6352-1-chris@chris-wilson.co.uk> References: <20180409111413.6352-1-chris@chris-wilson.co.uk> MIME-Version: 1.0 X-Originating-IP: 78.156.65.138 X-Country: code=GB country="United Kingdom" ip=78.156.65.138 Subject: [Intel-gfx] [PATCH 02/18] drm/i915/execlists: Refactor out complete_preempt_context() 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP As a complement to inject_preempt_context(), follow up with the function to handle its completion. This will be useful should we wish to extend the duties of the preempt-context for execlists. v2: And do the same for the guc. Signed-off-by: Chris Wilson Cc: Jeff McGee Cc: Michał Winiarski Reviewed-by: Jeff McGee #v1 --- drivers/gpu/drm/i915/intel_guc_submission.c | 26 ++++++++++++++------- drivers/gpu/drm/i915/intel_lrc.c | 23 ++++++++++-------- 2 files changed, 30 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_guc_submission.c b/drivers/gpu/drm/i915/intel_guc_submission.c index 97121230656c..04125e8cec6b 100644 --- a/drivers/gpu/drm/i915/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/intel_guc_submission.c @@ -621,6 +621,21 @@ static void wait_for_guc_preempt_report(struct intel_engine_cs *engine) report->report_return_status = INTEL_GUC_REPORT_STATUS_UNKNOWN; } +static void complete_preempt_context(struct intel_engine_cs *engine) +{ + struct intel_engine_execlists *execlists = &engine->execlists; + + GEM_BUG_ON(!execlists_is_active(execlists, EXECLISTS_ACTIVE_PREEMPT)); + + execlists_cancel_port_requests(execlists); + execlists_unwind_incomplete_requests(execlists); + + wait_for_guc_preempt_report(engine); + intel_write_status_page(engine, I915_GEM_HWS_PREEMPT_INDEX, 0); + + execlists_clear_active(execlists, EXECLISTS_ACTIVE_PREEMPT); +} + /** * guc_submit() - Submit commands through GuC * @engine: engine associated with the commands @@ -775,15 +790,8 @@ static void guc_submission_tasklet(unsigned long data) if (execlists_is_active(execlists, EXECLISTS_ACTIVE_PREEMPT) && intel_read_status_page(engine, I915_GEM_HWS_PREEMPT_INDEX) == - GUC_PREEMPT_FINISHED) { - execlists_cancel_port_requests(&engine->execlists); - execlists_unwind_incomplete_requests(execlists); - - wait_for_guc_preempt_report(engine); - - execlists_clear_active(execlists, EXECLISTS_ACTIVE_PREEMPT); - intel_write_status_page(engine, I915_GEM_HWS_PREEMPT_INDEX, 0); - } + GUC_PREEMPT_FINISHED) + complete_preempt_context(engine); if (!execlists_is_active(execlists, EXECLISTS_ACTIVE_PREEMPT)) guc_dequeue(engine); diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index b47d53d284ca..5773a0e8dc51 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -546,8 +546,18 @@ static void inject_preempt_context(struct intel_engine_cs *engine) if (execlists->ctrl_reg) writel(EL_CTRL_LOAD, execlists->ctrl_reg); - execlists_clear_active(&engine->execlists, EXECLISTS_ACTIVE_HWACK); - execlists_set_active(&engine->execlists, EXECLISTS_ACTIVE_PREEMPT); + execlists_clear_active(execlists, EXECLISTS_ACTIVE_HWACK); + execlists_set_active(execlists, EXECLISTS_ACTIVE_PREEMPT); +} + +static void complete_preempt_context(struct intel_engine_execlists *execlists) +{ + GEM_BUG_ON(!execlists_is_active(execlists, EXECLISTS_ACTIVE_PREEMPT)); + + execlists_cancel_port_requests(execlists); + execlists_unwind_incomplete_requests(execlists); + + execlists_clear_active(execlists, EXECLISTS_ACTIVE_PREEMPT); } static void execlists_dequeue(struct intel_engine_cs *engine) @@ -995,14 +1005,7 @@ static void execlists_submission_tasklet(unsigned long data) if (status & GEN8_CTX_STATUS_COMPLETE && buf[2*head + 1] == execlists->preempt_complete_status) { GEM_TRACE("%s preempt-idle\n", engine->name); - - execlists_cancel_port_requests(execlists); - execlists_unwind_incomplete_requests(execlists); - - GEM_BUG_ON(!execlists_is_active(execlists, - EXECLISTS_ACTIVE_PREEMPT)); - execlists_clear_active(execlists, - EXECLISTS_ACTIVE_PREEMPT); + complete_preempt_context(execlists); continue; }