From patchwork Sun Oct 29 23:01:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 13439933 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2F3D1C4167B for ; Sun, 29 Oct 2023 23:03:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CA36710E1DC; Sun, 29 Oct 2023 23:03:11 +0000 (UTC) Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0B9D610E1CE for ; Sun, 29 Oct 2023 23:02:35 +0000 (UTC) Received: from workpc.. (109-252-153-31.dynamic.spd-mgts.ru [109.252.153.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dmitry.osipenko) by madras.collabora.co.uk (Postfix) with ESMTPSA id B013C6607385; Sun, 29 Oct 2023 23:02:32 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1698620553; bh=JEnVqea8F9PfIoRTIpDPPiewdAcM8Ofed+XPNsSrPBQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h4GZgR0LNwo/2QeIv6jRwELl1gLnMhUOnkGBFpuyQxI1yqeYYs7Wk0nZ2av/VrEYm FnzCXjWoQ+t/iyGT1pmHTIz63pACLzLRXVtzKl9sW0j84K+4HxqbEAnke0XfKaHnp2 gwxzNxM+Wb54/DXAby0hPqXUdk5UoyXCgoqbi86yyTzh88Qhp69yWjZ3fsxFUojJgA LXuDlZ4QcAUW0Y2CuOvebEtMxOQZ6UhBtOA3bxzJ+LEk+sDSGNkcf1Bt2mILUEDfk9 Tr+on7Fkk+XcYGfWY0G3hOZelPnB2xUzzelAaUCAckYmxf5PqLOoYlM+9HMuTlHCmL VKhXo794QwNeg== From: Dmitry Osipenko To: David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , =?utf-8?q?Christian_K=C3=B6nig?= , Qiang Yu , Steven Price , Boris Brezillon , Emma Anholt , Melissa Wen Subject: [PATCH v18 05/26] drm/shmem-helper: Remove obsoleted is_iomem test Date: Mon, 30 Oct 2023 02:01:44 +0300 Message-ID: <20231029230205.93277-6-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231029230205.93277-1-dmitry.osipenko@collabora.com> References: <20231029230205.93277-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel@collabora.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Everything that uses the mapped buffer should be agnostic to is_iomem. The only reason for the is_iomem test is that we're setting shmem->vaddr to the returned map->vaddr. Now that the shmem->vaddr code is gone, remove the obsoleted is_iomem test to clean up the code. Suggested-by: Thomas Zimmermann Signed-off-by: Dmitry Osipenko Reviewed-by: Boris Brezillon Acked-by: Maxime Ripard --- drivers/gpu/drm/drm_gem_shmem_helper.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c index 154585ddae08..2cc0601865f6 100644 --- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -315,12 +315,6 @@ int drm_gem_shmem_vmap_locked(struct drm_gem_shmem_object *shmem, if (obj->import_attach) { ret = dma_buf_vmap(obj->import_attach->dmabuf, map); - if (!ret) { - if (drm_WARN_ON(obj->dev, map->is_iomem)) { - dma_buf_vunmap(obj->import_attach->dmabuf, map); - return -EIO; - } - } } else { pgprot_t prot = PAGE_KERNEL;