linux-kernel - Re: [PATCH 02/10] drm/virtio: fix endianness in primary_plane

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Message-ID: <eea5a9fd-dde0-d9b2-735f-5db4ae4af947@redhat.com>
Date:   Wed, 7 Dec 2016 12:13:13 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>, linux-kernel@...r.kernel.org
Cc:     David Airlie <airlied@...ux.ie>, Gerd Hoffmann <kraxel@...hat.com>,
        dri-devel@...ts.freedesktop.org,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH 02/10] drm/virtio: fix endianness in primary_plane_update



On 2016年12月06日 23:40, Michael S. Tsirkin wrote:
> virtio_gpu_cmd_transfer_to_host_2d expects x and y
> parameters in LE, but virtio_gpu_primary_plane_update
> passes in the CPU format instead.
>
> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> ---
>   drivers/gpu/drm/virtio/virtgpu_plane.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Jason Wang <jasowang@...hat.com>

>
> diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
> index ba28c0f..1fda965 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_plane.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
> @@ -88,8 +88,8 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
>   				(vgdev, handle, 0,
>   				 cpu_to_le32(plane->state->src_w >> 16),
>   				 cpu_to_le32(plane->state->src_h >> 16),
> -				 plane->state->src_x >> 16,
> -				 plane->state->src_y >> 16, NULL);
> +				 cpu_to_le32(plane->state->src_x >> 16),
> +				 cpu_to_le32(plane->state->src_y >> 16), NULL);
>   		}
>   	} else {
>   		handle = 0;