linux-kernel - Re: [PATCH v2 2/2] drm/virtio: add VIRTGPU_PARAM_HOST_PAGE

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Message-ID: <0227f234-8eac-4bf5-b2ba-4767936dd04c@collabora.com>
Date: Wed, 2 Apr 2025 20:55:08 +0300
From: Dmitry Osipenko <dmitry.osipenko@...labora.com>
To: Sergio Lopez <slp@...hat.com>, David Airlie <airlied@...hat.com>,
 Gerd Hoffmann <kraxel@...hat.com>,
 Gurchetan Singh <gurchetansingh@...omium.org>, Chia-I Wu
 <olvaffe@...il.com>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 Simona Vetter <simona@...ll.ch>, "Michael S. Tsirkin" <mst@...hat.com>,
 Jason Wang <jasowang@...hat.com>, Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
 Eugenio Pérez <eperezma@...hat.com>,
 Rob Clark <robdclark@...il.com>
Cc: dri-devel@...ts.freedesktop.org, virtualization@...ts.linux.dev,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] drm/virtio: add VIRTGPU_PARAM_HOST_PAGE_SIZE to
 params

On 4/2/25 20:46, Sergio Lopez wrote:
> diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> index c33c057365f85a2ace536f91655c903036827312..405203b3c3847a8b318a7118aa34356c839d249e 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
> @@ -117,6 +117,11 @@ static int virtio_gpu_getparam_ioctl(struct drm_device *dev, void *data,
>  	case VIRTGPU_PARAM_EXPLICIT_DEBUG_NAME:
>  		value = vgdev->has_context_init ? 1 : 0;
>  		break;
> +	case VIRTGPU_PARAM_HOST_PAGE_SIZE:
> +		if (!vgdev->has_host_page_size)
> +			return -EINVAL;

ENOENT

-- 
Best regards,
Dmitry