From patchwork Mon Jul 17 09:11:27 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 9844343 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 D327160393 for ; Mon, 17 Jul 2017 09:23:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C569526212 for ; Mon, 17 Jul 2017 09:23:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B9DB228408; Mon, 17 Jul 2017 09:23:08 +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=-4.2 required=2.0 tests=BAYES_00, 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 7684C283B0 for ; Mon, 17 Jul 2017 09:23:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B877789EBB; Mon, 17 Jul 2017 09:23:07 +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 DBD6C89EBB for ; Mon, 17 Jul 2017 09:23:05 +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 7804307-1500050 for multiple; Mon, 17 Jul 2017 10:11:42 +0100 Received: by haswell.alporthouse.com (sSMTP sendmail emulation); Mon, 17 Jul 2017 10:11:42 +0100 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Mon, 17 Jul 2017 10:11:27 +0100 Message-Id: <20170717091141.23102-1-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.13.2 X-Originating-IP: 78.156.65.138 X-Country: code=GB country="United Kingdom" ip=78.156.65.138 Subject: [Intel-gfx] [PATCH 01/15] drm/i915: Report execlists irq bit in debugfs X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 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 As part of the knowing whether there is outstanding data in the CSB, also check whether there is an outstanding IRQ notification. Signed-off-by: Chris Wilson Cc: Mika Kuoppala Cc: Tvrtko Ursulin Reviewed-by: Mika Kuoppala --- drivers/gpu/drm/i915/i915_debugfs.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 1130e3c83c88..5b09bd4d0483 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -3395,10 +3395,12 @@ static int i915_engine_info(struct seq_file *m, void *unused) ptr = I915_READ(RING_CONTEXT_STATUS_PTR(engine)); read = GEN8_CSB_READ_PTR(ptr); write = GEN8_CSB_WRITE_PTR(ptr); - seq_printf(m, "\tExeclist CSB read %d [%d cached], write %d [%d from hws]\n", + seq_printf(m, "\tExeclist CSB read %d [%d cached], write %d [%d from hws], interrupt posted? %s\n", read, engine->csb_head, write, - intel_read_status_page(engine, intel_hws_csb_write_index(engine->i915))); + intel_read_status_page(engine, intel_hws_csb_write_index(engine->i915)), + yesno(test_bit(ENGINE_IRQ_EXECLIST, + &engine->irq_posted))); if (read >= GEN8_CSB_ENTRIES) read = 0; if (write >= GEN8_CSB_ENTRIES)