From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 32260C61DA3 for ; Tue, 21 Feb 2023 22:17:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6324D10E37F; Tue, 21 Feb 2023 22:17:41 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id F3F5110E37F for ; Tue, 21 Feb 2023 22:17:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1677017858; x=1708553858; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=e9LljwpVCCk2IVMgeT9SHPgf7ifAuDc7t2JT071ftis=; b=G00y+OctzPfopC0xzFw06FacZz67KP3n5/f7jlSZXox6l7z80ppYb/D4 //5MQK504SqEyE/Isk9q5PwY1SG4/9pBepRLjHf664VwyNsL5SSYVjlVR gZZ1ykSKhDJ7m+TkI56QfzXgBoYJP0uM+7q9JAx+S8EbFx9rB3ZxbSfZM NhToiih7qwWLbGEaLqrK56sU1pl7wAiY2pGoFgAc0KActgiLeJOjU5sAZ trjoe4tzbHweHm/hU1CLCSgmmgl3wFjZnE1EFk/XF3RyEU9eP0iJNH8LE tYCPGwOw6akbAgsYl47RKfSuokPzLjotrqnoMXCHH57x/W7yz2Ygy7/kP A==; X-IronPort-AV: E=McAfee;i="6500,9779,10628"; a="332771128" X-IronPort-AV: E=Sophos;i="5.97,317,1669104000"; d="scan'208";a="332771128" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Feb 2023 14:17:38 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10628"; a="781165811" X-IronPort-AV: E=Sophos;i="5.97,317,1669104000"; d="scan'208";a="781165811" Received: from dut-internal-9dd7.jf.intel.com ([10.24.14.53]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Feb 2023 14:17:38 -0800 From: Jonathan Cavitt To: intel-gfx@lists.freedesktop.org Date: Tue, 21 Feb 2023 14:13:08 -0800 Message-Id: <20230221221309.1467995-1-jonathan.cavitt@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Intel-gfx] [PATCH 1/2] drm/i915/gt: Ensure memory quiesced before invalidation X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jonathan.cavitt@intel.com, gregory.f.germano@intel.com, saurabhg.gupta@intel.com, chris.p.wilson@linux.intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" All memory traffic must be quiesced before requesting an aux invalidation on platforms that use Aux CCS. Signed-off-by: Jonathan Cavitt --- drivers/gpu/drm/i915/gt/gen8_engine_cs.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index e1c76e5bfa82..6f830f80eb0f 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -181,6 +181,13 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) { struct intel_engine_cs *engine = rq->engine; + /* + * Aux invalidations on Aux CCS platforms require + * memory traffic is quiesced prior. + */ + if (!HAS_FLAT_CCS(engine->i915)) + mode |= EMIT_FLUSH; + if (mode & EMIT_FLUSH) { u32 flags = 0; u32 *cs; -- 2.25.1