From patchwork Wed Jul 27 12:29:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 12930398 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 29FCBC04A68 for ; Wed, 27 Jul 2022 12:30:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1B86BC5E48; Wed, 27 Jul 2022 12:30:10 +0000 (UTC) Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by gabe.freedesktop.org (Postfix) with ESMTPS id B565EC5D4F; Wed, 27 Jul 2022 12:30:03 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id DDE42B82078; Wed, 27 Jul 2022 12:30:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7AF7FC43470; Wed, 27 Jul 2022 12:30:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658925000; bh=lOE1MGL9bb8yddRydxM1fpZY6tycwyxv4aHoWOD7OZQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ESBCJw8vK8aZGD73cSuSmAif9H+WC+AkurHUu18BuZR1aeJbhJxsymz/0keBKJ9pR VHSD0tmiKMhV6hTvDoyO63rDqE4UleB2ZYJ/KCpEo1B28+091qu/qpXZcyPJmWkKWI G3KD0wU/CVkY8RSXRTolnSLky3yxMoFdReL0PeSandZ5rv3U5o3nd16h3RbjvIpOMX 1yLwu4UudpUcHHyn9K+uikbxV3NLRBisCclgzR0CDvqpLpQyKakvGgJey/tveSM+7/ ftQZUhHca7Zb81zIHQgHS7yMz4qxf/EOnIeSlXblk1wTX+E3KuUs/pqb685wu3p27X lY1caumfDn5AA== Received: from mchehab by mail.kernel.org with local (Exim 4.95) (envelope-from ) id 1oGgAo-003xmH-9n; Wed, 27 Jul 2022 14:29:58 +0200 From: Mauro Carvalho Chehab To: Date: Wed, 27 Jul 2022 14:29:53 +0200 Message-Id: <59724d9f5cf1e93b1620d01b8332ac991555283d.1658924372.git.mchehab@kernel.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: References: MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v3 3/6] drm/i915/gt: Invalidate TLB of the OA unit at TLB invalidations 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: =?utf-8?q?Thomas_Hellstr=C3=B6m?= , David Airlie , dri-devel@lists.freedesktop.org, Lucas De Marchi , linux-kernel@vger.kernel.org, Chris Wilson , Rodrigo Vivi , Dave Airlie , stable@vger.kernel.org, Mauro Carvalho Chehab , intel-gfx@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Chris Wilson Ensure that the TLB of the OA unit is also invalidated on gen12 HW, as just invalidating the TLB of an engine is not enough. Cc: stable@vger.kernel.org Fixes: 7938d61591d3 ("drm/i915: Flush TLBs before releasing backing store") Signed-off-by: Chris Wilson Cc: Fei Yang Reviewed-by: Andi Shyti Acked-by: Tvrtko Ursulin Acked-by: Thomas Hellström Signed-off-by: Mauro Carvalho Chehab --- To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover. See [PATCH v3 0/6] at: https://lore.kernel.org/all/cover.1658924372.git.mchehab@kernel.org/ drivers/gpu/drm/i915/gt/intel_gt.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index c4d43da84d8e..1d84418e8676 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -11,6 +11,7 @@ #include "pxp/intel_pxp.h" #include "i915_drv.h" +#include "i915_perf_oa_regs.h" #include "intel_context.h" #include "intel_engine_pm.h" #include "intel_engine_regs.h" @@ -969,6 +970,15 @@ void intel_gt_invalidate_tlbs(struct intel_gt *gt) awake |= engine->mask; } + /* Wa_2207587034:tgl,dg1,rkl,adl-s,adl-p */ + if (awake && + (IS_TIGERLAKE(i915) || + IS_DG1(i915) || + IS_ROCKETLAKE(i915) || + IS_ALDERLAKE_S(i915) || + IS_ALDERLAKE_P(i915))) + intel_uncore_write_fw(uncore, GEN12_OA_TLB_INV_CR, 1); + spin_unlock_irq(&uncore->lock); for_each_engine_masked(engine, gt, awake, tmp) {