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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3AEDCC433F5 for ; Mon, 28 Mar 2022 12:55:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242606AbiC1M5B (ORCPT ); Mon, 28 Mar 2022 08:57:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234432AbiC1M46 (ORCPT ); Mon, 28 Mar 2022 08:56:58 -0400 Received: from mail-qk1-x732.google.com (mail-qk1-x732.google.com [IPv6:2607:f8b0:4864:20::732]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 25419E0BD for ; Mon, 28 Mar 2022 05:55:18 -0700 (PDT) Received: by mail-qk1-x732.google.com with SMTP id i65so11233168qkd.7 for ; Mon, 28 Mar 2022 05:55:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marek-ca.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=k+wjaE9zp8UiiJ3ll5xchHseTtAzJ2kCou17dDYzPoA=; b=tcx16Kj+7Cqux9mvpPivKKmgL8LuL0VEeyv7xtoKn155d3O5pQ1xM9KdQFbPq67vAu ncPSybCNjkrekLm+BxOjgqjGogipQmtloV8c1paAp+7GYhYuV6wCmsGykAk0FTp6Il/w SveZKg7ZHVBl72dE00xbC1PExj+UjXh2sEWE/3MXLhw/aMamfw35KhT50syApyCDML5H d2KWjYD0l7FoZFzuPTMtRxzKpj3dQESwtb/YnSuKykGxKYinz3NENxy+Xt7Er2ZZfRq1 aWmBYOcwAkasBZD3JTKhMM9WLTWQDzMc+Sv2cWoc0BLJqX+/sYa7eWtfaYESenkXCpJ5 gnwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=k+wjaE9zp8UiiJ3ll5xchHseTtAzJ2kCou17dDYzPoA=; b=I85DYt6MGbhQF1kZMUPcyFzyHStbYZ6I+JiJpqJqnlzNjXpgCI3kxA82ftM9LCtCt9 RLceZGNMTkBAb7UAcFDfjgLLOMt2wUMtrxuje6SRIGRFp3JEC/aCZ1/xnh/O1F80dNIw BzMl0Fk/pLa/QzSXSaHL6L57FadYEi++Z5/Vc4733NJgbpqSaI7C9FwMJWJ99iWLptQa R9wSF3uq2hjhM7er+yY380JL/hH/Pp/PbJEImWZHP/QeWbrQ26Qys38UusgPdOxwPaQO SqH6H2X3guekrxhBDMtm7HbNh7z7skIqCze8hmd6JK09H6Bx9MZUbisSX0kvGqBOX5Z/ 1DiA== X-Gm-Message-State: AOAM5301dZJ+1bguBi3exwKJjKgXvaXjhUo0ypH/zHvNmsKseQ1+Catu xCRFYrouLS8XYPlxNJiEZNYFfQ== X-Google-Smtp-Source: ABdhPJxc8NsbZVET0kGypEAfG6BJjXHoFiXSRAGghnfGjwEdoHpPzeLu52swAHTy2TVKfJyxc8qtoQ== X-Received: by 2002:a37:a084:0:b0:67d:405b:60d0 with SMTP id j126-20020a37a084000000b0067d405b60d0mr15545606qke.83.1648472117315; Mon, 28 Mar 2022 05:55:17 -0700 (PDT) Received: from localhost.localdomain (modemcable134.222-177-173.mc.videotron.ca. [173.177.222.134]) by smtp.gmail.com with ESMTPSA id c10-20020ac87dca000000b002e1db1b7b10sm12441798qte.25.2022.03.28.05.55.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Mar 2022 05:55:16 -0700 (PDT) From: Jonathan Marek To: freedreno@lists.freedesktop.org Cc: dpiliaiev@igalia.com, Rob Clark , Sean Paul , Abhinav Kumar , David Airlie , Daniel Vetter , Bjorn Andersson , Jordan Crouse , linux-arm-msm@vger.kernel.org (open list:DRM DRIVER FOR MSM ADRENO GPU), dri-devel@lists.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO GPU), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] drm/msm: use orig_nents to iterate over scatterlist with per-process tables Date: Mon, 28 Mar 2022 08:55:05 -0400 Message-Id: <20220328125505.31605-1-jonathan@marek.ca> X-Mailer: git-send-email 2.26.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This matches the implementation of iommu_map_sgtable() used for the non-per-process page tables path. This works around the dma_map_sgtable() call (used to invalidate cache) overwriting sgt->nents with 1 (which is probably a separate issue). Fixes: b145c6e65eb0 ("drm/msm: Add support to create a local pagetable") Signed-off-by: Jonathan Marek --- drivers/gpu/drm/msm/msm_iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c index bcaddbba564df..22935ef26a3a1 100644 --- a/drivers/gpu/drm/msm/msm_iommu.c +++ b/drivers/gpu/drm/msm/msm_iommu.c @@ -58,7 +58,7 @@ static int msm_iommu_pagetable_map(struct msm_mmu *mmu, u64 iova, u64 addr = iova; unsigned int i; - for_each_sg(sgt->sgl, sg, sgt->nents, i) { + for_each_sg(sgt->sgl, sg, sgt->orig_nents, i) { size_t size = sg->length; phys_addr_t phys = sg_phys(sg); -- 2.26.1