From patchwork Wed Jul 13 09:30:00 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: 12916364 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 6F4A8C433EF for ; Wed, 13 Jul 2022 09:30:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D30CD98A80; Wed, 13 Jul 2022 09:30:25 +0000 (UTC) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0C0C098A6F; Wed, 13 Jul 2022 09:30:23 +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 dfw.source.kernel.org (Postfix) with ESMTPS id 881C561C61; Wed, 13 Jul 2022 09:30:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB669C34114; Wed, 13 Jul 2022 09:30:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1657704621; bh=TwXaLs6Qq1k/ViDsjq1vtPJ62qR+0nfRAZMZIFfXwvY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lM43VL+56kTLfitdH7ZNh3bl3OKPYGv0CN/4i6cU/58LXkg0Z/TYeYJJm1XxLiPJK RzXf0EjLOIMAtQ/xVBzpVliGJQxoRj56TNc1jDCUshX9hD1Y5AWHzd4fPj/hlJHD6u 09s6sIo7fTDmu3Kl0lC6d49Tun9JOqaAmKlME7v+JBF6be2lZMcXyXl1qIa2Ccp/0K FkRfrCExEsG9zk07B9SR4HuHH8A3xDOMcpa4VzU+qOx+PUUFzY2/5EWZm7rdbtBExO YIClcqCUboOMsfJJ6yA1QnYdAgMBz9tU5Id+ERDyOHMyT6FdbnJLpnoRP2Yo1uOdYt pITCazZ/bKRaw== Received: from mchehab by mail.kernel.org with local (Exim 4.95) (envelope-from ) id 1oBYhH-0050LI-Is; Wed, 13 Jul 2022 10:30:19 +0100 From: Mauro Carvalho Chehab To: Subject: [PATCH 03/21] drm/i915/gt: Invalidate TLB of the OA unit at TLB invalidations Date: Wed, 13 Jul 2022 10:30:00 +0100 Message-Id: <0a56680efc82f69d1651b513e0de077b441e866e.1657703926.git.mchehab@kernel.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: References: MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tvrtko Ursulin , Andi Shyti , =?utf-8?q?Thomas_Hellstr=C3=B6m?= , David Airlie , dri-devel@lists.freedesktop.org, Lucas De Marchi , linux-kernel@vger.kernel.org, Chris Wilson , Daniele Ceraolo Spurio , Rodrigo Vivi , Dave Airlie , stable@vger.kernel.org, Mauro Carvalho Chehab , intel-gfx@lists.freedesktop.org, Fei Yang Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 Cc: Andi Shyti Acked-by: Thomas Hellström Signed-off-by: Mauro Carvalho Chehab --- See [PATCH 00/21] at: https://lore.kernel.org/all/cover.1657703926.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) {