From patchwork Wed Dec 23 20:35:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 352039 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, 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 21947C43331 for ; Wed, 23 Dec 2020 20:38:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F1370223E4 for ; Wed, 23 Dec 2020 20:38:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729120AbgLWUiQ (ORCPT ); Wed, 23 Dec 2020 15:38:16 -0500 Received: from mout.kundenserver.de ([212.227.126.134]:46817 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729119AbgLWUiQ (ORCPT ); Wed, 23 Dec 2020 15:38:16 -0500 Received: from localhost.localdomain ([37.4.249.194]) by mrelayeu.kundenserver.de (mreue010 [212.227.15.167]) with ESMTPSA (Nemesis) id 1Macf4-1kKTjY0wNG-00c84D; Wed, 23 Dec 2020 21:35:34 +0100 From: Stefan Wahren To: Eric Anholt , Maxime Ripard , David Airlie , Daniel Vetter , Rob Herring , Nicolas Saenz Julienne Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Phil Elwell , Stefan Wahren Subject: [PATCH V2 2/4] drm/v3d: Set dma_mask as well as coherent_dma_mask Date: Wed, 23 Dec 2020 21:35:12 +0100 Message-Id: <1608755714-18233-3-git-send-email-stefan.wahren@i2se.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1608755714-18233-1-git-send-email-stefan.wahren@i2se.com> References: <1608755714-18233-1-git-send-email-stefan.wahren@i2se.com> X-Provags-ID: V03:K1:5REdR/avUBgLjbjE68ZefIl4VGgEtrbqdEDtIp1NmXGlfmT4gjK 2xiMjVEVUf/+X9UIjlZWi0N602AriZvn9i7hfei8SmV14cN05NBBE8QLnEEEdLK0Mk2rAfj 4ayJJXE7gchuE6lVGG5CylyxbU49OpeFXw3lDsxjN6n8PGX6YSgs2L8I4fUUr4R00hIU+FF p8va4pSUBEAmdE/KUquyw== X-UI-Out-Filterresults: notjunk:1; V03:K0:4yEbdgi/2ow=:LEsBN7MZxtlhrJw3pGzvyc 2QdO31odOSDG3RYVy+A+hplMIh1aUspW2MWqAV84TEphA/nRDk9blYoJMtA1Qu3nYI8yNHWPC pAmgQEz99Nq2ejAXHNGQoj4NBKyZ1EVYXHCoc094GYlXIMHbiAYTe3d/jsKLjn9fZKMor0R76 y4gRhexbh324oKR4mChgMAhtt5YJxYGisboRVWpG7uEipBF8QyDSbCw6DNh+xRxxvBQnnO+Zg 5o38dRGiOjIDbH4czLvbdi1vhuNsh80hd+lsOwanVAFhVgz1ZMr3uStLNYuR73prALXN/ScML 9TtZ+rIIJwp2bZq06h0+SxedDmTr6WFyiHheY5GwzX1bvtR8GGC0bA0XnE9Ywe/lUL4KDdBqk ZHlhc0obP75Cb6POncB6XwBsphMKuSL+/KjS5m4RkpwYz4LJdRwprdVheTL5o7RjLh2J5x6N6 jHHbqdDnBQ== Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Phil Elwell Both coherent_dma_mask and dma_mask act as constraints on allocations and bounce buffer usage, so be sure to set dma_mask to the appropriate value otherwise the effective mask could be incorrect. Signed-off-by: Phil Elwell Signed-off-by: Stefan Wahren Reviewed-by: Nicolas Saenz Julienne --- drivers/gpu/drm/v3d/v3d_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index 42d401f..99e22be 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -232,8 +232,8 @@ static int v3d_platform_drm_probe(struct platform_device *pdev) return ret; mmu_debug = V3D_READ(V3D_MMU_DEBUG_INFO); - dev->coherent_dma_mask = - DMA_BIT_MASK(30 + V3D_GET_FIELD(mmu_debug, V3D_MMU_PA_WIDTH)); + dma_set_mask_and_coherent(dev, + DMA_BIT_MASK(30 + V3D_GET_FIELD(mmu_debug, V3D_MMU_PA_WIDTH))); v3d->va_width = 30 + V3D_GET_FIELD(mmu_debug, V3D_MMU_VA_WIDTH); ident1 = V3D_READ(V3D_HUB_IDENT1);