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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 BADD0C433FF for ; Mon, 29 Jul 2019 05:34:03 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8828D2070D for ; Mon, 29 Jul 2019 05:34:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="LJvPNYpk"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="X7ZzQJG0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8828D2070D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=yu0QKtRlIUoO7TtXaoQSHubF4ck7cimwn5pKRjXg14c=; b=LJvPNYpkgUgmqe NB0oBnsygoNIGyaPpd1MHJxivO5kLD6HZ1IshtjtRNe1gnKrF1Jpt+Y3fqA889Vsq2M5gtSufFX/r s1BH7SkDXkkh6QpIwmhDgXvRyWW23TlEFbxdajwTY2w9sdFQtj2pepuFh/B/XXqpPeLI//DqYumLg AQgwKegXnQ4Iaa1m6Blw0nrW895iG3L06iC5yNN9ofnYtzCUNTRB+Whcu3w7i7Djc3fxP9yy1n4Jd qisNJB41ekI0fJV/GgMtiEluhrS34ob0gLauzuAwfMt0pn8SgENKB6SrxmAOmF3RKmhLFwmt2usfR UxPwQeXInGr0sacxMcJw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hryIM-00045z-3q; Mon, 29 Jul 2019 05:34:02 +0000 Received: from mail-pf1-x443.google.com ([2607:f8b0:4864:20::443]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hryII-00044I-9N for linux-arm-kernel@lists.infradead.org; Mon, 29 Jul 2019 05:33:59 +0000 Received: by mail-pf1-x443.google.com with SMTP id i189so27395785pfg.10 for ; Sun, 28 Jul 2019 22:33:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=DPXHy1a69mKAzAt5eK/5mGSu5mMYfcr+qJqjDh7NSaQ=; b=X7ZzQJG0cNXQD6YQsemOKW/jT5dXIqlD5c4Jcz7JtWEhIqBe209fc02CAGpqr+SYx0 gHPYOCrdYg3Ro7wBapt85n2eL90PlzXxI3QY75kWqphNBvBEhfTaqOY9NODoZZKpkG2h jgrZXO+DLTuPGvJ9LjyhDaLG7s2coSQiQVGuM= 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:mime-version :content-transfer-encoding; bh=DPXHy1a69mKAzAt5eK/5mGSu5mMYfcr+qJqjDh7NSaQ=; b=Gncq1/3nQKdJN1pdXAw78pXW9FQZWQ2uE05XWSKJbdw01UZIrXcDxIMiEkNwkqGAR3 4Df1Je748Pnv5CqFiCpsCrRzEzZtp3AFZGdvfyP8nqpX1L3xeCBA5UNLqy9rObgvfl3f kgf7fsfwGY4IDaev7O2oHX73pLUwMEebWnVRtSCcJO6qVuQcwt46Afi7GOLI5NIe+Sad HB1VZmx55gUdaBDsXJu+dNY+fhg7nOalggsHNz0r9DQFr61zGMsmS09NSEd3BwlDniob DfCrSl8nim0GKVO3oGR58F69fRWG9JmBI2LLOXedbWhs36TBuwV7pC8Dbnd06eB4YEFC TfDg== X-Gm-Message-State: APjAAAWXSqutlRlyxCoe4Tvs+4u4A2OeV3N/aB4St1lkrAXs0PXAAPzW 3z6o2KTl5fFs9izwMdOu6kms/A== X-Google-Smtp-Source: APXvYqygDVAWdgpICHSE02DV6msSDKrPaHx2VAR3/vrWfQrTSpR/C3whA4rXoQaV+tRhbTuC/OWZhg== X-Received: by 2002:a17:90a:1d8:: with SMTP id 24mr111974489pjd.70.1564378433305; Sun, 28 Jul 2019 22:33:53 -0700 (PDT) Received: from acourbot.tok.corp.google.com ([2401:fa00:4:4:9712:8cf1:d0f:7d33]) by smtp.gmail.com with ESMTPSA id z4sm93792810pfg.166.2019.07.28.22.33.50 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 28 Jul 2019 22:33:52 -0700 (PDT) From: Alexandre Courbot To: CK Hu , Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , Tomasz Figa Subject: [PATCH v2 0/2] drm/mediatek: make imported PRIME buffers contiguous Date: Mon, 29 Jul 2019 14:33:33 +0900 Message-Id: <20190729053335.251379-1-acourbot@chromium.org> X-Mailer: git-send-email 2.22.0.709.g102302147b-goog MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190728_223358_339241_C8DE4724 X-CRM114-Status: UNSURE ( 8.86 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexandre Courbot , linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org The default DMA segment size was used when importing PRIME buffers, which resulted in a chance of them not being contiguous in the virtual IO space of the device and mtk_gem_prime_import_sg_table() complaining that the SG table was not contiguous as it expects. This series fixes this issue by 1) Using the correct DMA device when importing PRIME buffers, 2) Setting a more suitable DMA segment size on the DMA device than the default 64KB. Changes since v1: - Split into two patches, - Fixed an error path that would have returned 0. Alexandre Courbot (2): drm/mediatek: use correct device to import PRIME buffers drm/mediatek: set DMA max segment size drivers/gpu/drm/mediatek/mtk_drm_drv.c | 49 ++++++++++++++++++++++++-- drivers/gpu/drm/mediatek/mtk_drm_drv.h | 2 ++ 2 files changed, 48 insertions(+), 3 deletions(-) -- 2.22.0.709.g102302147b-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel