From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender6-op-o11.zoho.com (sender6-op-o11.zoho.com [165.173.180.11]) (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 8C4ED2BE034 for ; Sun, 20 Sep 2026 18:20:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=165.173.180.11 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789928416; cv=pass; b=Sbh1qpvNOnuI/jvJYR84SGlYTRQ0oLzfUmeCwcpfyUXteIeZegN+NBNBlm48/ksfju7z5ny6M9DtHiEmUI4EKC0UZ/JTOAJMqSZY1SPOe8CHYMeiQbcTfr2FwDkbggg/s8QMzDZDGZJc0R/iT02uvH+/Vvss5HeaR14Fke6m+zg= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789928416; c=relaxed/simple; bh=JfHYjYIRSXIZvQJQONzPvnsUhSj8vSIn5obRVD/LgV0=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=TH5X5moi/5PJqxi87t/29A4fB+5qNgov+dXEfPW3RY4XXjstZh615oKFppCk2cRw4ufekQMPJrjf7LiYAQA/URIiLg3IxCtvrFIClvMjrF9Qc17uui4Vlq0c7yu2YDIJ8xr0KYGBfd0Hnd+Coempkvs9G1TxROEfiBKO51ZUYKw= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=dmitry.osipenko@collabora.com header.b=RVFFmfsi; arc=pass smtp.client-ip=165.173.180.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=dmitry.osipenko@collabora.com header.b="RVFFmfsi" ARC-Seal: i=1; a=rsa-sha256; t=1789928411; cv=none; d=zohomail.com; s=zohoarc; b=RXeBJUrTjtPaDoaZu5nEGqyiZEW/yNlfT3GS7o5WhLt3cC41xS2Liv7/R8oWxM3bde9QWVca+ukiVJmAbDSZ5pHlfFEzAYyDDnnCgWjbVewGjd9V9lq1mLoZoLyv6zaOrWQr8rNM0R56NYEXd/7CDseJXZnHw7sMlmtx9YCjBT4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1789928411; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=WEohC9uGVeqfSdvTyVPRW3Wthtrhe9pXJk1AMrsyYPU=; b=YkJ2T+/NtgUgtlJ9aqQq37r68FgiW/0/S5pE7lhy1mOL1K0u7m41nnrkGnnoxh6Qffhis2FMpkm5/eaOxdkNJGADC+3wQpOtokKREoaOaeffKY+Xlq0o5Gr5WxU8lPJ/eGSBIIARtF9xQHWMesaHVBh66WiAXZMqCq64Gf+PDGs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=dmitry.osipenko@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1789928411; s=zohomail; d=collabora.com; i=dmitry.osipenko@collabora.com; h=Message-ID:Date:Date:MIME-Version:Subject:Subject:From:From:To:To:Cc:Cc:In-Reply-To:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=WEohC9uGVeqfSdvTyVPRW3Wthtrhe9pXJk1AMrsyYPU=; b=RVFFmfsid5NTHsMIuqazzu+mnOl1gH1inHNGBoL1zTCqwy2zJZqFXl0I36F41yg+ n2m5N/m6r5ucYlh3R3O86h61skAVmQQWaDfJrH44mDRtZjIccAx7BqqFag5GgPFqyEx RYgxGN3DYJL7HAYOzHnHMdvK64MjChhwr5tC60+E= Received: by smtp.zohomail.com with SMTPS id 1789928410326934.5711448765459; Sun, 20 Sep 2026 11:20:10 -0700 (PDT) Message-ID: <1803e07b-63d9-45f7-80d7-f52980c3b321@collabora.com> Date: Sun, 20 Sep 2026 21:20:06 +0300 Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1] Revert "drm/virtio: Allow importing prime buffers when 3D is enabled" From: Dmitry Osipenko To: David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , Val Packett Cc: dri-devel@lists.freedesktop.org, virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, Yiwei Zhang References: <20260911144204.2089401-1-dmitry.osipenko@collabora.com> Content-Language: en-US In-Reply-To: <20260911144204.2089401-1-dmitry.osipenko@collabora.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ZohoMailClient: External On 9/11/26 17:42, Dmitry Osipenko wrote: > Guest userspace may import udmabuf to vrend. Vrend doesn't support guest > blobs, and thus, further 3d operations with the imported blob are failing. > Typical scenario of the problem shown with mouse cursor RGBA image imported > into virtio-gpu, which previously was rejected by virtio-gpu driver. > Revert enabling guest blobs importing into vrend to fix the regression. > > Link: https://gitlab.freedesktop.org/virgl/virglrenderer/-/work_items/674 > Fixes: df4dc947c46b ("drm/virtio: Allow importing prime buffers when 3D is enabled") > Signed-off-by: Dmitry Osipenko > --- > 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 149e6bcb5878..ebf471044d06 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_prime.c > +++ b/drivers/gpu/drm/virtio/virtgpu_prime.c > @@ -349,7 +349,7 @@ struct drm_gem_object *virtgpu_gem_prime_import(struct drm_device *dev, > } > } > > - if (!vgdev->has_resource_blob) > + if (!vgdev->has_resource_blob || vgdev->has_virgl_3d) > return drm_gem_prime_import(dev, buf); > > bo = kzalloc_obj(*bo); Applied to misc-fixes -- Best regards, Dmitry