linux-kernel - Re: [PATCH] drm/virtio: print a single line with device features

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Message-ID: <20191022090533.GB11828@phenom.ffwll.local>
Date:   Tue, 22 Oct 2019 11:05:33 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Gerd Hoffmann <kraxel@...hat.com>
Cc:     dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        "open list:VIRTIO GPU DRIVER" 
        <virtualization@...ts.linux-foundation.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/virtio: print a single line with device features

On Fri, Oct 18, 2019 at 01:38:32PM +0200, Gerd Hoffmann wrote:
> Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
> ---
>  drivers/gpu/drm/virtio/virtgpu_kms.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c
> index 0b3cdb0d83b0..2f5773e43557 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_kms.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c
> @@ -155,16 +155,15 @@ int virtio_gpu_init(struct drm_device *dev)
>  #ifdef __LITTLE_ENDIAN
>  	if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_VIRGL))
>  		vgdev->has_virgl_3d = true;
> -	DRM_INFO("virgl 3d acceleration %s\n",
> -		 vgdev->has_virgl_3d ? "enabled" : "not supported by host");
> -#else
> -	DRM_INFO("virgl 3d acceleration not supported by guest\n");
>  #endif
>  	if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_EDID)) {
>  		vgdev->has_edid = true;
> -		DRM_INFO("EDID support available.\n");
>  	}
>  
> +	DRM_INFO("features: %cvirgl %cedid\n",
> +		 vgdev->has_virgl_3d ? '+' : '-',
> +		 vgdev->has_edid     ? '+' : '-');

Maybe we should move the various yesno/onoff/enableddisabled helpers from
i915_utils.h to drm_utils.h and use them more widely?

Anyway Reviewed-by: Daniel Vetter <daniel.vetter@...ll.ch>
> +
>  	ret = virtio_find_vqs(vgdev->vdev, 2, vqs, callbacks, names, NULL);
>  	if (ret) {
>  		DRM_ERROR("failed to find virt queues\n");
> -- 
> 2.18.1
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch