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 X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37ADEC43461 for ; Tue, 8 Sep 2020 20:04:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EBD8D207DE for ; Tue, 8 Sep 2020 20:04:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="ORyY4Zqf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730397AbgIHUEF (ORCPT ); Tue, 8 Sep 2020 16:04:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730415AbgIHPXv (ORCPT ); Tue, 8 Sep 2020 11:23:51 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61861C09B050 for ; Tue, 8 Sep 2020 08:19:02 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id j2so19539189wrx.7 for ; Tue, 08 Sep 2020 08:19:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=O5HUPZey23fpZ7O0ISBcnmoDeQoSvAOa5PK6DE6zp90=; b=ORyY4ZqfDcrdXYjsjTXTEtrUaQe1RJldbGO+pqANb858Ya+JjB4iH1ncEJwkByFE3d cvYPX+8JBt8+2Wov00EdDqAMHvKSEsRwmOVae7HKFzAi8a9LM7+VE9WE6w4pARa9Ox1x /ahRnbLC4gcZoGEORtUuxneW2DLP1pdu8Ol/m53qs6fnlTkDYEodVKtywKTDBQzApoU1 GQlb0LTW7BmwiHtiu2r/3kR4FFdu4bFblA3jYjH2vVIAP3WNcxTFgYY3IKzl4j7ojkEK mYooRqXepx9HdE+veBwBnbnNIubUixtUQd1iCTaBJhk1jxmYyWfkQCIc1ZTaHlMQiRg+ ITOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=O5HUPZey23fpZ7O0ISBcnmoDeQoSvAOa5PK6DE6zp90=; b=OfGPj69P3sETtpmQ2ereAdXRpnxWjkzpe9ZY1UQQiY+rZfSrApKnc0Iq5KrdR57grg Ez6JwTJC3G45+S/1MHEsCxKeV/zfz/srkXENpRn0jCrue/kw7cem9OCNdaAOw71aB24E dJEZvbVq8RdvfHNL+m4WC3etVP8faHl5OS+kIbWpICU+uuEkIkKARENHT05re972Q40i SUktN1hcoywQso3iQ9DOZd//jbMFEut7p24b5pnxkyJNI39tWcQIta3Em81u7SLKrF8N ZptP9X6FDMgKRTPBsr3Xlb7iWk590OdJH4qvulTlnSjl/LrNbH2CrGpSFbVjww8gZw/K QL+A== X-Gm-Message-State: AOAM53186Xw3ve0KMpcLGC7qjD0hVWKR9QBGoRy3joNDQgIQRmzVv24Y gSuGik58sLIXwmmaJViojZzddA== X-Google-Smtp-Source: ABdhPJzcrzBmN5nUV5nRaVbaFFXi/hKg4wRQw/mW6OU7rGvxpIpYuoFbrS9YqopA0v/jdvJCmxWXjQ== X-Received: by 2002:a5d:67d2:: with SMTP id n18mr119063wrw.223.1599578340777; Tue, 08 Sep 2020 08:19:00 -0700 (PDT) Received: from bender.baylibre.local ([2a01:e35:2ec0:82b0:5405:9623:e2f1:b2ac]) by smtp.gmail.com with ESMTPSA id d25sm10004886wra.25.2020.09.08.08.18.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Sep 2020 08:19:00 -0700 (PDT) From: Neil Armstrong To: robh@kernel.org, tomeu.vizoso@collabora.com, steven.price@arm.com, alyssa.rosenzweig@collabora.com Cc: dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, Neil Armstrong Subject: [PATCH 2/5] drm/panfrost: add support specifying pgtbl quirks Date: Tue, 8 Sep 2020 17:18:50 +0200 Message-Id: <20200908151853.4837-3-narmstrong@baylibre.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200908151853.4837-1-narmstrong@baylibre.com> References: <20200908151853.4837-1-narmstrong@baylibre.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a pgtbl_quirks entry in the compatible specific table to permit specyfying IOMMU quirks for platforms. Signed-off-by: Neil Armstrong --- drivers/gpu/drm/panfrost/panfrost_device.h | 3 +++ drivers/gpu/drm/panfrost/panfrost_mmu.c | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/panfrost/panfrost_device.h b/drivers/gpu/drm/panfrost/panfrost_device.h index 953f7536a773..2cf1a6a13af8 100644 --- a/drivers/gpu/drm/panfrost/panfrost_device.h +++ b/drivers/gpu/drm/panfrost/panfrost_device.h @@ -70,6 +70,9 @@ struct panfrost_compatible { int num_pm_domains; /* Only required if num_pm_domains > 1. */ const char * const *pm_domain_names; + + /* IOMMU quirks flags */ + unsigned long pgtbl_quirks; }; struct panfrost_device { diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c index e8f7b11352d2..55a846c70e46 100644 --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -368,6 +368,7 @@ int panfrost_mmu_pgtable_alloc(struct panfrost_file_priv *priv) mmu->as = -1; mmu->pgtbl_cfg = (struct io_pgtable_cfg) { + .quirks = pfdev->comp ? pfdev->comp->pgtbl_quirks : 0, .pgsize_bitmap = SZ_4K | SZ_2M, .ias = FIELD_GET(0xff, pfdev->features.mmu_features), .oas = FIELD_GET(0xff00, pfdev->features.mmu_features), -- 2.22.0