From nobody Wed Feb 11 16:50:50 2026 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 4B8ACC77B74 for ; Sun, 9 Apr 2023 12:40:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229532AbjDIMkt (ORCPT ); Sun, 9 Apr 2023 08:40:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229516AbjDIMko (ORCPT ); Sun, 9 Apr 2023 08:40:44 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BFD283C3D for ; Sun, 9 Apr 2023 05:40:43 -0700 (PDT) Received: from workpc.. (109-252-119-170.nat.spd-mgts.ru [109.252.119.170]) (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 87BBD66031E9; Sun, 9 Apr 2023 13:40:41 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1681044042; bh=LXZqn9JZkk7iPwWsuND2XuT7vg+8om2rZKLRJkZQfxA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jLhPIeeTxCNtjwOlYXNAW+NlrRbdIW2XKGHybgjvUcA1SMM00q6WqNQd3DjAxBmHI Z7f1QcNcN2c6oAEbPK2uUElaXi0EexP70szW2eB/G9gIuQB2JPvOVNe8VnlcRN+Lrd aCFoUcndSp0ulUnPsPFR/8ABEbRLsUpIJNEhI0kBpf1KhF0ejRNwlLGS7BWOpXWXDx dsQamKSXuhy2RwWGB3P//OqgZmKYCQwm+imYSadkzdGqJYpzLMkIVQBlUIvx8p2Q72 wVh/vRtgzCisKbWJAeaOSmRWWXiUoSI4/Dpc6x5CBOoREL7VWRTNMDp87qa8mFLYBA Vp+jeejqm+3Jw== From: Dmitry Osipenko To: David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Daniel Vetter , Rob Clark , =?UTF-8?q?Marek=20Ol=C5=A1=C3=A1k?= , Pierre-Eric Pelloux-Prayer , Emil Velikov Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, kernel@collabora.com, virtualization@lists.linux-foundation.org Subject: [PATCH v5 2/3] drm/virtio: Wait for each dma-fence of in-fence array individually Date: Sun, 9 Apr 2023 15:39:56 +0300 Message-Id: <20230409123957.29553-3-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230409123957.29553-1-dmitry.osipenko@collabora.com> References: <20230409123957.29553-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Use dma-fence-unwrap API for waiting each dma-fence of the in-fence array individually. Sync file's in-fence array always has a non-matching fence context ID, which doesn't allow to skip waiting of fences with a matching context ID in a case of a merged sync file fence. Suggested-by: Rob Clark Signed-off-by: Dmitry Osipenko --- drivers/gpu/drm/virtio/virtgpu_submit.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_submit.c b/drivers/gpu/drm/virt= io/virtgpu_submit.c index 902734778d1b..b60dea077240 100644 --- a/drivers/gpu/drm/virtio/virtgpu_submit.c +++ b/drivers/gpu/drm/virtio/virtgpu_submit.c @@ -32,8 +32,8 @@ struct virtio_gpu_submit { void *buf; }; =20 -static int virtio_gpu_dma_fence_wait(struct virtio_gpu_submit *submit, - struct dma_fence *in_fence) +static int virtio_gpu_do_fence_wait(struct virtio_gpu_submit *submit, + struct dma_fence *in_fence) { uint32_t context =3D submit->fence_ctx + submit->ring_idx; =20 @@ -43,6 +43,22 @@ static int virtio_gpu_dma_fence_wait(struct virtio_gpu_s= ubmit *submit, return dma_fence_wait(in_fence, true); } =20 +static int virtio_gpu_dma_fence_wait(struct virtio_gpu_submit *submit, + struct dma_fence *fence) +{ + struct dma_fence_unwrap itr; + struct dma_fence *f; + int err; + + dma_fence_unwrap_for_each(f, &itr, fence) { + err =3D virtio_gpu_do_fence_wait(submit, f); + if (err) + return err; + } + + return 0; +} + static int virtio_gpu_fence_event_create(struct drm_device *dev, struct drm_file *file, struct virtio_gpu_fence *fence, --=20 2.39.2