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,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 BB396C3A59F for ; Thu, 29 Aug 2019 18:32:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 91AF82166E for ; Thu, 29 Aug 2019 18:32:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567103565; bh=E2I92oP8BJAkr+Nu768x0W5VL/Hqr9oH52PC4aG07Xg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=0UBwUWT2akTX4P5C4JKJo5lQMTGDYGFI/EtAi7TVi4KKBTlxeDzBgWNlueLik5NW8 EToVXRpfPU22912TaYQ8hnW111ZZZW2ekFUj0cz3nRw+dgXXf6hnGj4M1qhLDWBd80 6PyH1bAsJ8mVw9PZ1mMhjMjigJyweT6G9XO16q7g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730054AbfH2Scn (ORCPT ); Thu, 29 Aug 2019 14:32:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:55688 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728684AbfH2SN7 (ORCPT ); Thu, 29 Aug 2019 14:13:59 -0400 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 2AA2C233FF; Thu, 29 Aug 2019 18:13:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567102438; bh=E2I92oP8BJAkr+Nu768x0W5VL/Hqr9oH52PC4aG07Xg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DZHpuzumNpDIc6TRB9qj+dzCAmbjKQTQsC32nE6kxP9TUa6if+T79B+rkjR2ET7Wm yDseUt60jWk5YDcF3pRCavuptDqedHyJfsnLvCw1deJhoHsZy9D+LV9DHl488e0zqc HNmsfktU9n/haVHuCUHSrEjqauEQ1itheJX9KXzU= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alexandre Courbot , CK Hu , Sasha Levin , dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.2 27/76] drm/mediatek: use correct device to import PRIME buffers Date: Thu, 29 Aug 2019 14:12:22 -0400 Message-Id: <20190829181311.7562-27-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190829181311.7562-1-sashal@kernel.org> References: <20190829181311.7562-1-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: Alexandre Courbot [ Upstream commit 4c6f3196e6ea111c456c6086dc3f57d4706b0b2d ] PRIME buffers should be imported using the DMA device. To this end, use a custom import function that mimics drm_gem_prime_import_dev(), but passes the correct device. Fixes: 119f5173628aa ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.") Signed-off-by: Alexandre Courbot Signed-off-by: CK Hu Signed-off-by: Sasha Levin --- drivers/gpu/drm/mediatek/mtk_drm_drv.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 95fdbd0fbcace..8b18a00a58c7e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -320,6 +320,18 @@ static const struct file_operations mtk_drm_fops = { .compat_ioctl = drm_compat_ioctl, }; +/* + * We need to override this because the device used to import the memory is + * not dev->dev, as drm_gem_prime_import() expects. + */ +struct drm_gem_object *mtk_drm_gem_prime_import(struct drm_device *dev, + struct dma_buf *dma_buf) +{ + struct mtk_drm_private *private = dev->dev_private; + + return drm_gem_prime_import_dev(dev, dma_buf, private->dma_dev); +} + static struct drm_driver mtk_drm_driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | DRIVER_ATOMIC, @@ -331,7 +343,7 @@ static struct drm_driver mtk_drm_driver = { .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_export = drm_gem_prime_export, - .gem_prime_import = drm_gem_prime_import, + .gem_prime_import = mtk_drm_gem_prime_import, .gem_prime_get_sg_table = mtk_gem_prime_get_sg_table, .gem_prime_import_sg_table = mtk_gem_prime_import_sg_table, .gem_prime_mmap = mtk_drm_gem_mmap_buf, -- 2.20.1