From patchwork Sun Mar 5 22:10:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 13160243 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 EC7C8C6FD18 for ; Sun, 5 Mar 2023 22:12:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AE74610E2F5; Sun, 5 Mar 2023 22:11:48 +0000 (UTC) Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by gabe.freedesktop.org (Postfix) with ESMTPS id CB17610E076; Sun, 5 Mar 2023 22:11:40 +0000 (UTC) Received: from workpc.. (unknown [109.252.117.89]) (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 19D3D6602097; Sun, 5 Mar 2023 22:11:38 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1678054299; bh=ISC36TkNc9haEWhcJAT3q9O/61C6bxozUHrOmfEIoWA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SgBBunb7sVuHC+UUa8VRAEFPRU36EM+jkg1DexAKOfxPs+UEp218r+xIpSer+vxzz aEkrTpfRZ3Nn+2Ad4qud/Z8TzgXcPYPIyjspDGlzdyZLzghC+jG6R0WHurZLBSht9Q yQZY3ik0kw7nh4bkNjPGSkyEin1Y+BYbxfLmhaR8DXS3icH3M7snKksT1mOPQH0HO3 h1AqB9jhp2LLnY5YLzOmOknLfZ7nk+wC3kISK987uo7AL+mOu/Qu/xMjKW69d6J6BK qP3BBLU4CwrM2i2Wxvb/bp6afqoVNc64XXv8nrB5TKltszSDOXZv+IqRC4o460o8Dc d6iOgTgqtcnSA== From: Dmitry Osipenko To: David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Daniel Vetter , Daniel Almeida , Gustavo Padovan , Daniel Stone , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , Qiang Yu , Steven Price , Alyssa Rosenzweig , Rob Herring Date: Mon, 6 Mar 2023 01:10:07 +0300 Message-Id: <20230305221011.1404672-8-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230305221011.1404672-1-dmitry.osipenko@collabora.com> References: <20230305221011.1404672-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v12 07/11] drm/shmem-helper: Remove obsoleted is_iomem test X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, kernel@collabora.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Everything that uses the mapped buffer should by agnostic to is_iomem. The only reason for the is_iomem test is 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 --- 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 e47cc45f39a1..b814352aae33 100644 --- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -432,12 +432,6 @@ int drm_gem_shmem_vmap(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;