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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 BFEFEC17441 for ; Wed, 13 Nov 2019 01:52:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F59C204EC for ; Wed, 13 Nov 2019 01:52:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573609940; bh=GnLDcU3GQlLVz86X48Q6AD2uliaNpA6HTGkKvjNyt+w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=h1vXZ3Jy+EwSF6G+hJy9LY7vZDhEVh+fEYPiFPJf42LgM3zZgVCsmCEkFyxq40F+R cCKg8oiQKTNtTBSwPt70RDBqJBlxeZ4+VjFOrZpiv1KvVFsCClqj3vfZcwHYm1t8/x DIs79uyprV7HGwh9xUzDOXHxJA1VNHpL5B0Q1TQk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728232AbfKMBwT (ORCPT ); Tue, 12 Nov 2019 20:52:19 -0500 Received: from mail.kernel.org ([198.145.29.99]:40864 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728214AbfKMBwR (ORCPT ); Tue, 12 Nov 2019 20:52:17 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 854452245D; Wed, 13 Nov 2019 01:52:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573609936; bh=GnLDcU3GQlLVz86X48Q6AD2uliaNpA6HTGkKvjNyt+w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gB9HJpqDdkNOgBy9jkUEw3G8Uoic4x+ZlNqZeANFoioZBIcevSajfY53pkB9pqHlE G4y7P+l8oZGIlTvZ75klbgKlyNL42lyycOmeJiAgFu3Giy8JeQNk/3K0PwF1UVw+Mo fyz74bCE1NQ4P0SHyThVlA8qzaC/A6mAbXROuXpc= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jordan Crouse , Sibi Sankar , Rob Clark , Sasha Levin , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [PATCH AUTOSEL 4.19 079/209] msm/gpu/a6xx: Force of_dma_configure to setup DMA for GMU Date: Tue, 12 Nov 2019 20:48:15 -0500 Message-Id: <20191113015025.9685-79-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191113015025.9685-1-sashal@kernel.org> References: <20191113015025.9685-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jordan Crouse [ Upstream commit 32aa27e15c28d3898ed6f9b3c98f95f34a81eab2 ] The point of the 'force_dma' parameter for of_dma_configure is to force the device to be set up even if DMA capability is not described by the firmware which is exactly the use case we have for GMU - we need SMMU to get set up but we have no other dma capabilities since memory is managed by the GPU driver. Currently we pass false so of_dma_configure() fails and subsequently GMU and GPU probe does as well. Fixes: 4b565ca5a2c ("drm/msm: Add A6XX device support") Signed-off-by: Jordan Crouse Tested-by: Sibi Sankar Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index 9acb9dfaf57e6..9cde79a7335c8 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -1140,7 +1140,7 @@ int a6xx_gmu_probe(struct a6xx_gpu *a6xx_gpu, struct device_node *node) gmu->dev = &pdev->dev; - of_dma_configure(gmu->dev, node, false); + of_dma_configure(gmu->dev, node, true); /* Fow now, don't do anything fancy until we get our feet under us */ gmu->idle_level = GMU_IDLE_STATE_ACTIVE; -- 2.20.1