From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4A2723E9C3D; Wed, 20 May 2026 16:35:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779294941; cv=none; b=QA17SbE3/t5Jh5CD0Dmgu7XFw/RwtZw7FlrfTKPMhRFkXUqs4EwOemipzK2IVYKRRam+J4sRdsgxsQ4OPBCeuYkiF9peBwCechci5svaAE+tbY1mZMYatlIZHr4aDTVyvYKtoMGxUU2kNLiKL2ArZ7k6e8D/mLTLEqh9xgj6OuM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779294941; c=relaxed/simple; bh=koW7mrs20CjKSDcVsn4c42pgGityshh+8+ddx4/IxfE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JVihPQrb+kDzZfpq3DZVuMNNhbnQCENi3R3dTK1Fmuk4Zyk4DZ0IMN3nGPS8u1PADJOWDdvdnwU20ow+7BkhnMQYVE+MKF5EeUUdT/NzCeYW/BQ2C09TmtFs1JTyGMOjz+CwdyRb8PWkuR25MPJhZf+EcZL3XsUnhPnojwLGCGY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=tV6Wd4YH; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="tV6Wd4YH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 846381F000E9; Wed, 20 May 2026 16:35:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779294940; bh=SP8nseoVCpy7EQiQF4wMaze9pv8zqEN2shs2B6agiv8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=tV6Wd4YHStz5ZPZxeN41rmh0XCfpSaKrsj+Gy7JcoEMsDjTSB01/+SulOjznHvYy+ wouAVJui+6OXPFF+QxY63BbCnI4u05udHqoo4DNTxiqdKY1hQtPY1h1vZwRourUMoG ObBjzhkm/GZOewhuVsZFZssYHWIMq2D82JzeWZDw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Val Packett , Dmitry Osipenko , Sasha Levin Subject: [PATCH 7.0 0230/1146] drm/virtio: Allow importing prime buffers when 3D is enabled Date: Wed, 20 May 2026 18:08:00 +0200 Message-ID: <20260520162153.457299487@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260520162148.390695140@linuxfoundation.org> References: <20260520162148.390695140@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Val Packett [ Upstream commit df4dc947c46bb9f80038f52c6e38cb2d40c10e50 ] This functionality was added for using a KMS-only virtgpu with a physical (or SR-IOV) headless GPU in passthrough, but it should not be restricted to KMS-only mode. It can be used with cross-domain to pass guest memfds to the host compositor with zero copies (using udmabuf on both sides). Drop the check for the absence of virgl_3d to allow for more use cases. Fixes: ca77f27a2665 ("drm/virtio: Import prime buffers from other devices as guest blobs") Signed-off-by: Val Packett Reviewed-by: Dmitry Osipenko Signed-off-by: Dmitry Osipenko Link: https://patch.msgid.link/20251210154755.1119861-2-val@invisiblethingslab.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/virtio/virtgpu_prime.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c index 8adcf5c15d456..05756ed4f1dac 100644 --- a/drivers/gpu/drm/virtio/virtgpu_prime.c +++ b/drivers/gpu/drm/virtio/virtgpu_prime.c @@ -310,7 +310,7 @@ struct drm_gem_object *virtgpu_gem_prime_import(struct drm_device *dev, } } - if (!vgdev->has_resource_blob || vgdev->has_virgl_3d) + if (!vgdev->has_resource_blob) return drm_gem_prime_import(dev, buf); bo = kzalloc_obj(*bo); -- 2.53.0