From patchwork Wed Aug 31 15:37:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 12960901 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 3B0BEC54EE9 for ; Wed, 31 Aug 2022 15:41:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230478AbiHaPlj (ORCPT ); Wed, 31 Aug 2022 11:41:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231648AbiHaPlJ (ORCPT ); Wed, 31 Aug 2022 11:41:09 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 220AC76775; Wed, 31 Aug 2022 08:40:21 -0700 (PDT) Received: from dimapc.. (109-252-119-13.nat.spd-mgts.ru [109.252.119.13]) (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 68D6C6601EBA; Wed, 31 Aug 2022 16:39:52 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1661960395; bh=yuFPPZLpZu5HiT00pXyoIXNbNU+jh/z2zDqW9/uKf/o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=N/B+b8bOYPtHEQfD37MFztmBLUQG1Fw59ElRW+eMzo5mBqnLPKKxtrTtpJ5b3A9Re TeoegHw8MNPuFRGxmerjQaX0cftS5KdDOB9bjKMJkW1d9QrMiRYxurgsUEY8dMXDlV gGytpQShxs12u0FLdR+l9TU5JAf3nC+nIGtzgJjObxtxJA5YlNZNeGstwA44tRjNIj LGz6cxeSNsncUszPcRWjDRSIZufs697VuN6aMG7EXTUJzbo5FFMYbEhJO0nPtrwhaa /H3pVyYysLeApxxArprlFRxS4YnCYkIqYz491f3i6b2n5C1Uoq4VSnPUybsmx9GWcd Z+ig7XvygSbGA== From: Dmitry Osipenko To: David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Daniel Vetter , Daniel Almeida , Gert Wollny , Gustavo Padovan , Daniel Stone , Tomeu Vizoso , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Clark , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , "Pan, Xinhui" , Thierry Reding , Tomasz Figa , Marek Szyprowski , Mauro Carvalho Chehab , Alex Deucher , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , =?utf-8?q?Thomas_Hellstr?= =?utf-8?q?=C3=B6m?= , Qiang Yu , Srinivas Kandagatla , Amol Maheshwari , Jason Gunthorpe , Leon Romanovsky , Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , Tomi Valkeinen , Russell King , Lucas Stach , Christian Gmeiner Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Dmitry Osipenko , linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, kernel@collabora.com, virtualization@lists.linux-foundation.org, linux-rdma@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v4 13/21] media: videobuf2: Prepare to dynamic dma-buf locking specification Date: Wed, 31 Aug 2022 18:37:49 +0300 Message-Id: <20220831153757.97381-14-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220831153757.97381-1-dmitry.osipenko@collabora.com> References: <20220831153757.97381-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Prepare V4L2 memory allocators to the common dynamic dma-buf locking convention by starting to use the unlocked versions of dma-buf API functions. Acked-by: Tomasz Figa Signed-off-by: Dmitry Osipenko Acked-by: Christian König --- drivers/media/common/videobuf2/videobuf2-dma-contig.c | 11 ++++++----- drivers/media/common/videobuf2/videobuf2-dma-sg.c | 8 ++++---- drivers/media/common/videobuf2/videobuf2-vmalloc.c | 6 +++--- 3 files changed, 13 insertions(+), 12 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c index 678b359717c4..79f4d8301fbb 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c @@ -101,7 +101,7 @@ static void *vb2_dc_vaddr(struct vb2_buffer *vb, void *buf_priv) if (buf->db_attach) { struct iosys_map map; - if (!dma_buf_vmap(buf->db_attach->dmabuf, &map)) + if (!dma_buf_vmap_unlocked(buf->db_attach->dmabuf, &map)) buf->vaddr = map.vaddr; return buf->vaddr; @@ -711,7 +711,7 @@ static int vb2_dc_map_dmabuf(void *mem_priv) } /* get the associated scatterlist for this buffer */ - sgt = dma_buf_map_attachment(buf->db_attach, buf->dma_dir); + sgt = dma_buf_map_attachment_unlocked(buf->db_attach, buf->dma_dir); if (IS_ERR(sgt)) { pr_err("Error getting dmabuf scatterlist\n"); return -EINVAL; @@ -722,7 +722,8 @@ static int vb2_dc_map_dmabuf(void *mem_priv) if (contig_size < buf->size) { pr_err("contiguous chunk is too small %lu/%lu\n", contig_size, buf->size); - dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir); + dma_buf_unmap_attachment_unlocked(buf->db_attach, sgt, + buf->dma_dir); return -EFAULT; } @@ -750,10 +751,10 @@ static void vb2_dc_unmap_dmabuf(void *mem_priv) } if (buf->vaddr) { - dma_buf_vunmap(buf->db_attach->dmabuf, &map); + dma_buf_vunmap_unlocked(buf->db_attach->dmabuf, &map); buf->vaddr = NULL; } - dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir); + dma_buf_unmap_attachment_unlocked(buf->db_attach, sgt, buf->dma_dir); buf->dma_addr = 0; buf->dma_sgt = NULL; diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c index fa69158a65b1..36ecdea8d707 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c @@ -309,7 +309,7 @@ static void *vb2_dma_sg_vaddr(struct vb2_buffer *vb, void *buf_priv) if (!buf->vaddr) { if (buf->db_attach) { - ret = dma_buf_vmap(buf->db_attach->dmabuf, &map); + ret = dma_buf_vmap_unlocked(buf->db_attach->dmabuf, &map); buf->vaddr = ret ? NULL : map.vaddr; } else { buf->vaddr = vm_map_ram(buf->pages, buf->num_pages, -1); @@ -565,7 +565,7 @@ static int vb2_dma_sg_map_dmabuf(void *mem_priv) } /* get the associated scatterlist for this buffer */ - sgt = dma_buf_map_attachment(buf->db_attach, buf->dma_dir); + sgt = dma_buf_map_attachment_unlocked(buf->db_attach, buf->dma_dir); if (IS_ERR(sgt)) { pr_err("Error getting dmabuf scatterlist\n"); return -EINVAL; @@ -594,10 +594,10 @@ static void vb2_dma_sg_unmap_dmabuf(void *mem_priv) } if (buf->vaddr) { - dma_buf_vunmap(buf->db_attach->dmabuf, &map); + dma_buf_vunmap_unlocked(buf->db_attach->dmabuf, &map); buf->vaddr = NULL; } - dma_buf_unmap_attachment(buf->db_attach, sgt, buf->dma_dir); + dma_buf_unmap_attachment_unlocked(buf->db_attach, sgt, buf->dma_dir); buf->dma_sgt = NULL; } diff --git a/drivers/media/common/videobuf2/videobuf2-vmalloc.c b/drivers/media/common/videobuf2/videobuf2-vmalloc.c index 948152f1596b..7831bf545874 100644 --- a/drivers/media/common/videobuf2/videobuf2-vmalloc.c +++ b/drivers/media/common/videobuf2/videobuf2-vmalloc.c @@ -376,7 +376,7 @@ static int vb2_vmalloc_map_dmabuf(void *mem_priv) struct iosys_map map; int ret; - ret = dma_buf_vmap(buf->dbuf, &map); + ret = dma_buf_vmap_unlocked(buf->dbuf, &map); if (ret) return -EFAULT; buf->vaddr = map.vaddr; @@ -389,7 +389,7 @@ static void vb2_vmalloc_unmap_dmabuf(void *mem_priv) struct vb2_vmalloc_buf *buf = mem_priv; struct iosys_map map = IOSYS_MAP_INIT_VADDR(buf->vaddr); - dma_buf_vunmap(buf->dbuf, &map); + dma_buf_vunmap_unlocked(buf->dbuf, &map); buf->vaddr = NULL; } @@ -399,7 +399,7 @@ static void vb2_vmalloc_detach_dmabuf(void *mem_priv) struct iosys_map map = IOSYS_MAP_INIT_VADDR(buf->vaddr); if (buf->vaddr) - dma_buf_vunmap(buf->dbuf, &map); + dma_buf_vunmap_unlocked(buf->dbuf, &map); kfree(buf); }